OCEAN ENERGY INC
S-3, 1997-10-16
CRUDE PETROLEUM & NATURAL GAS
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<PAGE>   1
 
    AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON OCTOBER 16, 1997
 
                                                     REGISTRATION NO. 333-
================================================================================
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                            ------------------------
                                    FORM S-3
            REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933
                            ------------------------
                               OCEAN ENERGY, INC.
             (Exact name of registrant as specified in its charter)
 
<TABLE>
<S>                                            <C>
                   DELAWARE                                      72-1277752
(State or other jurisdiction of incorporation       (I.R.S. Employer Identification No.)
               or organization)
 
                                                              ROBERT K. REEVES
                                                  EXECUTIVE VICE PRESIDENT-ADMINISTRATION,
            8440 JEFFERSON HIGHWAY                     GENERAL COUNSEL AND SECRETARY
                  SUITE 420                      3861 AMBASSADOR CAFFERY PARKWAY, SUITE 500
         BATON ROUGE, LOUISIANA 70809                    LAFAYETTE, LOUISIANA 70503
                (504) 927-1450                                 (318) 993-4300
  Address, including zip code, and telephone       Name, address, including zip code, and
              number, including                              telephone number,
area code, of registrant's principle executive   including area code, of agent for service)
                   offices)
</TABLE>
 
                            ------------------------
                                   COPIES TO:
 
<TABLE>
<S>                                            <C>
               JOHN F. WOMBWELL                               ANDREW M. BAKER
            ANDREWS & KURTH L.L.P.                          DOUGLASS M. RAYBURN
          4200 TEXAS COMMERCE TOWER                        BAKER & BOTTS, L.L.P.
             HOUSTON, TEXAS 77002                             2001 ROSS AVENUE
                (713) 220-4200                              DALLAS, TEXAS 75201
                                                               (214) 953-6500
</TABLE>
 
                            ------------------------
     APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC: As soon as
practicable after the Registration Statement becomes effective.
                            ------------------------
 
     If any of the securities being registered on this form are to be offered on
a delayed or continuous basis pursuant to Rule 415 under the Securities Act of
1933, other than securities offered only in connection with dividend or interest
reinvestment plans, check the following box.  [ ]
 
     If this Form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act of 1933, please check the
following box and list the Securities Act registration statement number of the
earlier effective registration statement for the same offering.  [ ]
 
     If this Form is a post-effective amendment filed pursuant to Rule 462(c)
under the Securities Act of 1933, check the following box and list the
Securities Act registration statement number of the earlier effective
registration statement for the same offering.  [ ]
 
     If delivery of the prospectus is expected to be made pursuant to Rule 434,
please check the following box.  [ ]
                            ------------------------
                        CALCULATION OF REGISTRATION FEE
 
<TABLE>
<CAPTION>
==================================================================================================================
                                                            PROPOSED            PROPOSED
                                                             MAXIMUM             MAXIMUM            AMOUNT OF
     TITLE OF EACH CLASS OF           AMOUNT TO BE     OFFERING PRICE PER  AGGREGATE OFFERING     REGISTRATION
   SECURITIES TO BE REGISTERED         REGISTERED             SHARE             PRICE (1)              FEE
- ------------------------------------------------------------------------------------------------------------------
<S>                               <C>                  <C>                 <C>                 <C>
Common Stock, $.01 par value.....   4,715,000 Shares         $64.97           $306,327,892           $92,827
==================================================================================================================
</TABLE>
 
(1) Estimated solely for the purpose of determining the registration fee
    pursuant to Rule 457(c).
                            ------------------------
 
     THE REGISTRANT HEREBY AMENDS THIS REGISTRATION STATEMENT ON SUCH DATE OR
DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT SHALL
FILE A FURTHER AMENDMENT WHICH SPECIFICALLY STATES THAT THIS REGISTRATION
STATEMENT SHALL THEREAFTER BECOME EFFECTIVE IN ACCORDANCE WITH SECTION 8(a) OF
THE SECURITIES ACT OF 1933, OR UNTIL THIS REGISTRATION STATEMENT SHALL BECOME
EFFECTIVE ON SUCH DATE AS THE COMMISSION, ACTING PURSUANT TO SAID SECTION 8(a),
MAY DETERMINE.
================================================================================
<PAGE>   2
 
     INFORMATION CONTAINED HEREIN IS SUBJECT TO COMPLETION OR AMENDMENT. A
     REGISTRATION STATEMENT RELATING TO THESE SECURITIES HAS BEEN FILED WITH THE
     SECURITIES AND EXCHANGE COMMISSION. THESE SECURITIES MAY NOT BE SOLD NOR
     MAY OFFERS TO BUY BE ACCEPTED PRIOR TO THE TIME THE REGISTRATION STATEMENT
     BECOMES EFFECTIVE. THIS PROSPECTUS SHALL NOT CONSTITUTE AN OFFER TO SELL OR
     THE SOLICITATION OF AN OFFER TO BUY NOR SHALL THERE BE ANY SALE OF THESE
     SECURITIES IN ANY STATE IN WHICH SUCH OFFER, SOLICITATION OR SALE WOULD BE
     UNLAWFUL PRIOR TO REGISTRATION OR QUALIFICATION UNDER THE SECURITIES LAWS
     OF ANY SUCH STATE.
 
                 SUBJECT TO COMPLETION, DATED OCTOBER 16, 1997
PROSPECTUS
 
                                4,100,000 SHARES
 
                               OCEAN ENERGY, INC.
                                  COMMON STOCK
                             ---------------------
 
     Of the 4,100,000 shares of Common Stock, par value $0.01 per share ("Common
Stock") of Ocean Energy, Inc., a Delaware corporation ("OEI" or the "Company")
offered hereby (the "Offering"), 3,500,000 shares are being sold by the Company
and 600,000 shares are being offered by the Selling Stockholders (as defined
herein). The Company will not receive any proceeds from the sale of the shares
offered by the Selling Stockholders. See "Selling Stockholders."
 
     The Common Stock is traded on the New York Stock Exchange ("NYSE") under
the symbol "OEI." On October 14, 1997, the last reported sale price of the
Common Stock on the NYSE was $64 1/4 per share. See "Price Range of Common Stock
and Dividend Policy."
 
     SEE "RISK FACTORS" BEGINNING ON PAGE 11 FOR CERTAIN CONSIDERATIONS RELEVANT
TO AN INVESTMENT IN THE COMMON STOCK OFFERED HEREBY.
                             ---------------------
 
THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
 AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS
  THE SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES
   COMMISSION PASSED UPON THE ACCURACY OR ADEQUACY OF THIS
      PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.
 
<TABLE>
<CAPTION>
===============================================================================================================
                                 PRICE TO           UNDERWRITING          PROCEEDS TO          PROCEEDS TO
                                  PUBLIC             DISCOUNT(1)          COMPANY(2)       SELLING STOCKHOLDERS
- ---------------------------------------------------------------------------------------------------------------
<S>                         <C>                  <C>                  <C>                  <C>
Per Share.................           $                    $                    $                    $
- ---------------------------------------------------------------------------------------------------------------
Total(3)..................           $                    $                    $                    $
===============================================================================================================
</TABLE>
 
(1) The Company and the Selling Stockholders have agreed to indemnify the
    several Underwriters against certain liabilities under the Securities Act of
    1933, as amended. See "Underwriting."
 
(2) Before deducting expenses payable by the Company estimated at $550,000.
 
(3) One of the Selling Stockholders has granted to the several Underwriters an
    option for 30 days to purchase up to an additional 615,000 shares of Common
    Stock at the Price to Public, less Underwriting Discount, solely to cover
    over-allotments, if any. If such option is exercised in full, the Price to
    Public, Underwriting Discount, Proceeds to Company and Proceeds to Selling
    Stockholders will be $          , $          , $          and $          ,
    respectively. See "Underwriting."
                             ---------------------
 
     The shares are offered by the several Underwriters, subject to prior sale,
when, as and if issued to and accepted by them, subject to approval of certain
legal matters by counsel for the Underwriters and certain other conditions. The
Underwriters reserve the right to withdraw, cancel or modify such offer and to
reject orders in whole or in part. It is expected that delivery of the shares of
Common Stock will be made in New York, New York on or about             , 1997.
                             ---------------------
 
MERRILL LYNCH & CO.                                              LEHMAN BROTHERS
 
HOWARD, WEIL, LABOUISSE, FRIEDRICHS
                INCORPORATED
                     MORGAN STANLEY DEAN WITTER
                                        PETRIE PARKMAN & CO.
                                                      SMITH BARNEY INC.
                             ---------------------
               THE DATE OF THIS PROSPECTUS IS             , 1997.
<PAGE>   3
 
                                     [MAP]
 
     MERRILL LYNCH SPECIALISTS INC. ("MLSI"), AN AFFILIATE OF MERRILL LYNCH,
PIERCE, FENNER & SMITH INCORPORATED, ONE OF THE UNDERWRITERS, ACTS AS A
SPECIALIST IN THE COMMON STOCK OF THE COMPANY PURSUANT TO THE RULES OF THE NEW
YORK STOCK EXCHANGE, INC. UNDER AN EXEMPTION GRANTED BY THE SECURITIES AND
EXCHANGE COMMISSION ON JULY 31, 1995, MLSI WILL BE PERMITTED TO CARRY ON ITS
ACTIVITIES AS A SPECIALIST IN THE COMMON STOCK FOR THE ENTIRE PERIOD OF THE
DISTRIBUTION OF THE COMMON STOCK. THE EXEMPTION IS SUBJECT TO THE SATISFACTION
BY MLSI OF THE CONDITIONS SPECIFIED IN THE EXEMPTION.
 
     IN CONNECTION WITH THIS OFFERING, THE UNDERWRITERS MAY OVER-ALLOT OR EFFECT
TRANSACTIONS WHICH STABILIZE OR MAINTAIN THE MARKET PRICE OF THE COMMON STOCK OF
THE COMPANY AT LEVELS ABOVE THOSE WHICH MIGHT OTHERWISE PREVAIL IN THE OPEN
MARKET. SUCH TRANSACTIONS MAY BE EFFECTED ON THE NEW YORK STOCK EXCHANGE, IN THE
OVER-THE-COUNTER MARKET OR OTHERWISE. SUCH STABILIZING, IF COMMENCED, MAY BE
DISCONTINUED AT ANY TIME.
 
                                        2
<PAGE>   4
 
                               PROSPECTUS SUMMARY
 
     The following summary is qualified in its entirety by the detailed
information and financial statements and the notes thereto appearing elsewhere
in this Prospectus. Certain terms relating to the oil and gas business are
defined in the "Glossary of Certain Oil and Gas Terms" section of this
Prospectus. Unless the context indicates otherwise, references in this
Prospectus to "OEI" or the "Company" are to Ocean Energy, Inc., a Delaware
corporation, its predecessors and their respective subsidiaries. On June 17,
1997, the Company changed its name from Flores & Rucks, Inc. to Ocean Energy,
Inc. The estimates of the Company's proved reserves as of December 31, 1996 set
forth in this Prospectus are based on the report of Netherland, Sewell &
Associates, Inc. ("Netherland Sewell"). The estimates of the Company's proved
reserves as of June 30, 1997 set forth in this Prospectus were prepared by the
Company.
 
     This Prospectus contains certain forward-looking statements with respect to
the business of the Company and the industry in which it operates. These
forward-looking statements are subject to certain risks and uncertainties which
may cause actual results to differ significantly from such forward-looking
statements. See "Disclosure Regarding Forward-Looking Statements" and "Risk
Factors."
 
                                  THE COMPANY
 
     The Company is an independent energy company engaged in the exploration,
development, acquisition and production of crude oil and natural gas. OEI has
one of the most active exploration and development programs in the Gulf of
Mexico, which is among the most prolific oil and gas producing regions in the
United States. The Company has increased its average daily production by 188% to
43,355 BOE for the three months ended June 30, 1997 from 15,047 BOE for the year
ended December 31, 1994. EBITDA (as defined herein) increased 108% to $90.3
million for the six months ended June 30, 1997 from $43.5 million for the same
period of 1996. As of June 30, 1997, the Company had estimated proved reserves
of approximately 61.8 MMBbls of oil and 181.1 Bcf of natural gas, or an
aggregate of approximately 91.9 MMBOE, an increase of 109% from 44.0 MMBOE at
June 30, 1996. Over 90% of the Company's existing proved reserves are
attributable to Company operated wells or leases, and approximately 79% of these
reserves were classified as proved developed at June 30, 1997. Further, the
Company has identified 665 reserve and production enhancement opportunities on
its existing properties.
 
     In order to reduce risk, the Company uses state-of-the-art seismic
evaluation technology in its exploration and development activities. The seismic
evaluation technology is integrated with subsurface data to improve the
Company's ability to properly define the structural and stratigraphic features
that potentially contain hydrocarbon accumulations. As of June 30, 1997, the
Company owned or licensed approximately 1,700 square miles of 3-D seismic data
and over 22,000 linear miles of 2-D seismic data on and around its core
properties. With the aid of seismic technology, the Company has achieved an 88%
success rate on 125 wells drilled in the Gulf of Mexico since its inception
(April 20, 1992).
 
     The Company's activities have historically been focused primarily in three
geographically distinct areas in the Gulf of Mexico region, consisting of the
Company's holdings in the Mississippi River Delta area (the "Delta Area"), the
Central Gulf of Mexico area (the "Central Gulf Area"), and onshore Louisiana
(the "Onshore Exploratory Area"). Most recently, the Company has become active
in deepwater (water depth over 1,000 feet) areas of the Gulf of Mexico (the
"Deepwater Gulf") through both its joint venture with Conoco, Inc. ("Conoco")
and its high bid in a recent federal lease sale on six blocks in the Keathley
Canyon area of the Deepwater Gulf ("Keathley Canyon").
 
     The Company's largest area of focus is the Delta Area, which is located
primarily in federal and state waters offshore in the Mississippi River deltaic
region, consisting of interests in 8 fields and encompassing 122,549 gross
(109,270 net) acres. The Delta Area contains approximately 464 producing wells
and includes three of the top 20 fields in the Gulf of Mexico based on total
historical production. The Central Gulf Area, which contains approximately 60
producing wells, consists of interests in 10 oil and gas fields and related
production facilities primarily situated in the shallow federal waters of the
central Gulf of Mexico, offshore Louisiana. The Central Gulf Area encompasses
86,748 gross (59,910 net) acres. The Onshore Exploratory
                                        3
<PAGE>   5
 
Area consists of leasehold and seismic lease options totaling 62,143 gross
(45,962 net) acres. These 18 offshore fields, together with the Onshore
Exploratory Area, provide significant opportunities to enhance current
production and ultimate reserve recoveries through exploratory and development
drilling, recompletions and infill and horizontal drilling.
 
     As part of an increased emphasis on reserve additions through exploratory
drilling, the Company has begun to focus on the deepwater areas of the Gulf of
Mexico. Based on the magnitude of recent discoveries by other companies, the
Company believes that exploration in the Deepwater Gulf affords it the
opportunity to discover significantly larger potential reserves and to earn a
high rate of return, complementing its lower risk opportunities in the shallower
waters of the Gulf of Mexico. In February 1997, the Company entered a Deepwater
Gulf exploration venture with Conoco encompassing 155,520 gross (57,658 net)
acres located off the coast of Louisiana in water depths ranging from 2,500 to
7,500 feet (the "Deepwater Venture"). In addition, in a federal lease sale
conducted in August 1997, the Company was the high bidder on six blocks located
in Keathley Canyon. If all of the Company's Keathley Canyon bids are awarded,
the Company's holdings in the Deepwater Gulf will increase to 190,080 gross
(92,218 net) acres. The Company has sought and is likely to continue to seek
experienced joint venture partners to pursue opportunities in the Deepwater
Gulf, in part to manage the investment risk of drilling and completing these
deepwater wells. The Company believes that the Deepwater Gulf provides it with
substantial long term reserve and production growth opportunities in the
Company's Gulf of Mexico focus area.
 
     The Company plans to spend a total of approximately $460 million for
capital expenditures in 1997, including the South Pass Alliance. See "-- Recent
Developments." Of this amount, $281 million has been budgeted for drilling
expenditures, of which $107 million is for exploration drilling. The total
capital expenditure budget for 1998 is $325 million, including $154 million for
development drilling and $150 million for exploration drilling (of which $25
million is budgeted for the Deepwater Gulf).
 
RECENT DEVELOPMENTS
 
     On October 15, 1997, the Company and Shell Offshore, Inc. ("Shell"), one of
the most successful and experienced exploration companies and a leader in
technological advances in the Gulf of Mexico, entered into an exploratory joint
venture agreement (the "Delta Exploration Joint Venture"). The agreement
establishes an Area of Mutual Interest ("AMI") covering approximately 240 square
miles in a coastal and offshore section of the Delta Area. Under the terms of
the agreement, OEI and Shell have each contributed existing leasehold, project
inventory and proprietary 3-D seismic data within the AMI, and the properties
will be operated by OEI. The Company believes that this venture presents
significant opportunities arising from Shell's technical expertise and knowledge
of the area, the Company's own experience with exploration, exploitation and
development techniques on its neighboring Delta Area properties, and the
Company's existing infrastructure and capacity in the area. The Company expects
the venture to spud its initial exploratory well in 1998.
 
     In addition, the Company and Shell entered into an alliance encompassing
two fields in the South Pass area located in the Gulf of Mexico (the "South Pass
Alliance"). As part of the South Pass Alliance, the Company acquired from Shell,
for a purchase price of approximately $60.8 million, a 50% working interest in
various producing federal leases and related processing facilities in South Pass
61 and 65 fields (the "South Pass Properties") and became the operator of the
properties. Strategically situated near the Company's holdings in the Delta
Area, the South Pass Properties include interests in approximately 95 producing
wells located on approximately 26,250 gross acres. Current estimated production
from the newly acquired interests is approximately 3,500 BOE per day net to the
Company. The Company believes that the South Pass Properties have substantial
similarities with its existing Delta Area properties, including a significant
proven reserve base with large exploitation and exploration potential resulting
from the Company's utilization of recently acquired 3-D seismic data. The
Company intends to utilize its experience in operating and successfully
exploiting its existing Delta Area properties to maximize the profitability of
the South Pass Properties.
                                        4
<PAGE>   6
 
STRENGTHS
 
     The Company believes it has unique strengths that position it to continue
as a successful independent operator in the Gulf of Mexico and coastal onshore
Louisiana, including the following:
 
     Expertise in the Gulf of Mexico. Management believes the Company's existing
asset base and incentivized personnel provide it with competitive advantages for
operating in the Gulf of Mexico. The Company continues to develop its high
quality team of geoscientists and engineers, currently numbering 57, each of
whom has substantial experience in this region largely through tenure at major
oil companies. The Company has also assembled a team of experienced field
personnel, most with over 15 years of service in the Company's core areas.
Management has extensive experience and good working relationships with federal,
state and local regulatory agencies in this region. The Company augments its
technical expertise through its strategic relationships, such as the Deepwater
Venture with Conoco.
 
     Quality of existing operations. The Company's Delta Area and Central Gulf
Area fields were originally developed by major oil companies prior to their
acquisition by the Company, and are among the most productive fields in the Gulf
of Mexico based on total historical production. These fields have extensive
production histories and contain significant reserve and production enhancement
opportunities as evidenced by the Company's current inventory of 665 projects.
Production from these fields has been predominantly from depths shallower than
12,000 feet. While cumulative historical production from these horizons has
exceeded 1.78 billion BOE, the Company believes that potential exists for
additional reserves to be found at these horizons, as well as deeper horizons.
As of June 30, 1997, the Company's properties collectively comprised 452,499
gross acres of leases and seismic options (109,804 of which are held by
production).
 
     Extensive technological database. The Company owns or licenses
approximately 1,700 square miles of 3-D seismic data and over 22,000 linear
miles of 2-D seismic data in and around its core properties. OEI uses
state-of-the-art seismic evaluation technology in its exploration and
development activities in order to reduce risks and lower costs. The seismic
evaluation technology is integrated with subsurface data from over 12,000 wells
to improve the Company's ability to properly define the structural and
stratigraphic features which potentially contain accumulations of hydrocarbons.
The Company's geoscientists and engineers integrate and evaluate this expansive
well and seismic data base. Management believes the availability of 3-D seismic
coverage for the Gulf of Mexico at reasonable costs enhances the potential for
returns on exploration and development activities.
 
     Efficient operator. The Company is the operator of over 90% of its wells,
allowing it to control expenses, capital allocation and the timing of
development and exploitation of its fields. Since 1992, the Company has
decreased lease operating expenses by 35%, from $5.45 per BOE for the period
from inception (April 20, 1992) through December 31, 1992 to $3.55 per BOE for
the twelve months ended June 30, 1997. From 1989 to 1991, prior to the Company's
ownership, lease operating expenses for the Delta Area properties ranged from
$6.59 to $11.33 per BOE.
 
     Expandable base of operations. The Company has additional production
capacity available at its facilities located in the Delta Area and the Central
Gulf Area, which can provide a foundation for further acquisition, exploitation
and exploration in the Gulf of Mexico to achieve additional production at low
incremental costs. The Company also believes that its operating and
administrative personnel and systems can efficiently manage the addition of
producing properties and related operations through geographic concentration,
technical expertise and economies of scale based on existing infrastructure and
the maintenance of low overhead costs. The Company expects that it will be able
to realize such benefits in connection with the South Pass Alliance, the Delta
Exploration Joint Venture and the Deepwater Venture.
                                        5
<PAGE>   7
 
BUSINESS STRATEGY
 
     The Company's strategy is to increase shareholder value by increasing its
reserve base and by continuing to decrease unit costs. The Company intends to
grow its oil and gas reserves by capitalizing on its strengths through the
exploitation of its existing properties, the exploration for new oil and gas
reserves on its existing properties and elsewhere and the acquisition of
additional properties with exploitation and exploration potential. The Company
intends to decrease unit costs by operating its properties more efficiently and
by increasing production. The Company is implementing this strategy by:
 
     Expanding exploration program. The Company is expanding its exploration
program in the Gulf of Mexico which is designed to provide exposure to selected
higher risk, higher potential rate of return prospects. This expansion consists
of increasing exploration in the Delta Area and the Central Gulf Area, where the
Company has historically been active, as well as entering new areas where the
Company believes its experience and relationships create significant
opportunities, such as the Onshore Exploratory Area, the Delta Exploration Joint
Venture and the Deepwater Gulf. The Company currently intends to divide its
drilling budget equally between exploratory and development drilling. The
Company's exploratory drilling expenditures were $32 million in 1996, and are
expected to increase to approximately $107 million in 1997. In order to reduce
exploration risk, the Company will apply state-of-the-art technology to identify
prospects, select well locations with multiple pay objectives where possible and
may sell a portion of a prospect to an industry partner while preferably
remaining as operator.
 
     Continuing development and exploitation of existing properties. The Company
is actively pursuing the development of its existing properties to fully exploit
its reserves through recompletions, horizontal and development drilling,
waterfloods and 3-D seismic enhanced exploitation drilling. OEI uses advanced
technology in its exploitation and exploration activities in order to reduce
risks and lower costs. Further, the Company seeks to drill wells with multiple
pay objectives, allowing it to reduce the risk of exploring deeper prospects by
attempting to exploit shallow reservoirs in the same well. Primarily as a result
of its development and exploitation drilling success, the Company has increased
its average daily production by 188% to 43,355 BOE for the three months ended
June 30, 1997 from 15,047 BOE for the year ended December 31, 1994. The Company
currently has an inventory of over 485 development and exploitation projects on
its existing properties. In light of these projects, the Company plans
approximately $174 million of development and exploitation drilling capital
expenditures in 1997, up from approximately $82 million in 1996.
 
     Pursuing joint ventures and strategic acquisitions. The Company is
continually evaluating opportunities to acquire or enter into joint ventures
involving producing and exploratory properties which may possess, among others,
one or more of the following characteristics: (i) close proximity to the
Company's existing operations, (ii) potential opportunities to increase reserves
through exploratory drilling and additional recovery or enhancement techniques
or (iii) potential opportunities to reduce expenses through more efficient
operations. Among other opportunities, this strategy has resulted in the
formation of significant strategic relationships with major oil companies,
including the Deepwater Venture, the South Pass Alliance and the Delta
Exploration Joint Venture. While the Company focuses primarily on joint ventures
and acquisitions involving producing and exploratory properties with large
acreage positions, it evaluates a broad range of potential transactions. Company
personnel have substantial training, experience, and an in-depth knowledge of
the Gulf of Mexico's offshore and onshore areas, as well as established
relationships with a number of major and large independent energy companies
operating in this region. These factors, in combination with the utilization of
state-of-the-art geological and engineering technology, assist in identifying
properties that meet the Company's acquisition and joint venture objectives.
 
     The Company is a corporation organized under the laws of the State of
Delaware. The Company's principal executive offices are located at 8440
Jefferson Highway, Suite 420, Baton Rouge, Louisiana 70809, and its telephone
number is (504) 927-1450.
                                        6
<PAGE>   8
 
                                  THE OFFERING
 
Common Stock offered by the
Company..........................    3,500,000 shares
 
Common Stock offered by the
Selling Stockholders.............    600,000 shares(1)
 
Common Stock to be outstanding
after the Offering...............    23,282,010 shares(2)
 
Use of Proceeds..................    The net proceeds to the Company from the
                                     Offering will be used (i) to repay
                                     outstanding indebtedness under its
                                     Revolving Credit Facility, incurred to
                                     finance the acquisition of the South Pass
                                     Properties and a portion of the Company's
                                     1997 exploration, development and
                                     production activities and (ii) for
                                     exploration and exploitation drilling
                                     activities, for possible future
                                     acquisitions and for general corporate
                                     purposes. The Company will not receive any
                                     proceeds from the sale of the shares of
                                     Common Stock offered by the Selling
                                     Stockholders. See "Use of Proceeds."
 
NYSE Symbol......................    OEI
- ---------------
 
(1) Excludes 615,000 shares of Common Stock subject to purchase upon exercise by
    the Underwriters of their over-allotment option.
 
(2) Does not include 2,430,015 shares subject to employee stock options, 689,382
    of which are presently exercisable.
 
                                  RISK FACTORS
 
     An investment in the Common Stock involves certain risks that a potential
investor should carefully evaluate prior to making such an investment. See "Risk
Factors."
                                        7
<PAGE>   9
 
                SUMMARY HISTORICAL FINANCIAL AND OPERATING DATA
 
     The summary historical financial data set forth below for the years ended
December 31, 1994, 1995 and 1996 for the Company have been derived from the
audited financial statements and notes thereto contained elsewhere in this
Prospectus. The financial data for the six months ended June 30, 1996 and 1997
are derived from unaudited financial statements of the Company. The summary
historical financial data are qualified in their entirety by, and should be read
in conjunction with "Management's Discussion and Analysis of Financial Condition
and Results of Operations" and the financial statements and the notes thereto
included elsewhere in this Prospectus. For additional information relating to
the Company's operations, see "Business."
 
<TABLE>
<CAPTION>
                                                                                               SIX
                                                         YEAR ENDED                        MONTHS ENDED
                                                        DECEMBER 31,                         JUNE 30,
                                          ----------------------------------------   ------------------------
                                              1994          1995          1996          1996         1997
                                          ------------   -----------   -----------   ----------   -----------
                                          (DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS AND OPERATING DATA)
<S>                                       <C>            <C>           <C>           <C>          <C>
STATEMENT OF OPERATIONS AND OTHER
  FINANCIAL DATA:
REVENUES & EXPENSE DATA:
Revenues................................     $  75,395      $127,970      $188,451      $69,082      $130,069
Direct Operating Expenses...............        30,324        40,047        47,098       22,044        32,592
General & Administrative Expenses.......        10,351        11,312        16,154        6,025         8,596
Depreciation, Depletion &
  Amortization..........................        36,459        54,084        74,652       28,973        51,580
Interest Expense........................         4,507        17,620        17,954        8,188        13,303
Loss on Production Payment Repurchase
  and Refinancing(1)....................        16,681            --            --           --            --
Net Income (Loss) Before Income Tax
  Expense (Benefit).....................       (22,179)        5,210        32,988        3,850        24,682
Income Tax Expense (Benefit)(2).........            --        (4,692)       12,037        1,515         8,555
Net Income (Loss).......................       (22,179)        9,902        20,951        2,336        16,127
Earnings per Common Share(3)
  Primary...............................            --      $   0.65      $   1.07      $  0.13      $   0.77
  Fully diluted.........................            --          0.65          1.05         0.13          0.77
OTHER FINANCIAL DATA:
EBITDA(4)...............................     $  35,855      $ 77,645      $129,100      $43,468      $ 90,274
Net Cash Provided By (Used In) Operating
  Activities(5).........................      (115,485)       58,880       125,989       21,176        83,558
Capital Expenditures (6)................        74,477        73,652       251,305       64,771       216,870
OPERATING DATA:
Sales Volumes:
  Oil (MBbls)...........................         4,286         6,057         7,149        3,008         4,350
  Gas (MMcf)............................         7,234        12,393        18,720        7,016        16,517
  MBOE..................................         5,492         8,123        10,269        4,178         7,103
Average Prices(7):
  Oil (per Bbl).........................     $   14.24      $  17.39      $  21.58      $ 19.80      $  20.21
  Gas (per MCF).........................          1.76          1.82          2.79         2.86          2.57
  BOE (per BOE).........................         13.42         15.75         20.10        19.05         18.36
Lease Operating Expenses (per BOE)......     $    4.29      $   3.70      $   3.52      $  3.95      $   3.83
</TABLE>
 
<TABLE>
<CAPTION>
                                                                         AS OF
                                                                     JUNE 30, 1997
                                                              ----------------------------
                                                              HISTORICAL    AS ADJUSTED(8)
                                                              ----------    --------------
                                                                     (IN THOUSANDS)
<S>                                                           <C>           <C>
BALANCE SHEET DATA:
Oil and Gas Assets, Net.....................................   $520,989        $520,989
Total Assets................................................    582,410         769,540
Long-Term Debt..............................................    357,186         359,091
Stockholders' Equity........................................    122,705         319,555
</TABLE>
 
                                        8
<PAGE>   10
 
- ---------------
 
(1) The amount shown for the year ended December 31, 1994 represents primarily
    the excess of the purchase price of production payments over the book value
    of such production payments liability as of December 7, 1994.
 
(2) The Company was formed as an S corporation under the Internal Revenue Code
    and, as such, all income taxes were the obligation of the Company's
    stockholders. Therefore, through December 7, 1994, the date of the Company's
    initial public offering (the "Initial Public Offering"), no historical
    federal or state income tax expense has been provided for in the financial
    statements. In conjunction with the Initial Public Offering, the Company
    converted to a C corporation under the Internal Revenue Code. The Company
    recorded a deferred tax asset of $6.3 million, offset by a valuation
    allowance of $6.3 million at December 31, 1994 and a deferred tax asset of
    $4.7 million at December 31, 1995. As a result of the reversal of the
    valuation allowance, the Company recorded a net income tax benefit of $4.7
    million in the year ended December 31, 1995.
 
(3) If the Company had recognized a tax provision at statutory rates for the
    year ended December 31, 1995, rather than an income tax benefit, earnings
    per common share would have been $0.22 for such period. Earnings per share
    has not been presented for periods prior to or including the date of the
    Initial Public Offering, as these amounts would not be meaningful or
    indicative of the ongoing entity.
 
(4) Earnings before interest, taxes, depreciation, depletion and amortization.
    EBITDA has not been reduced for the recognition of noncash revenues
    associated with production payments. EBITDA is not intended to represent
    cash flow in accordance with generally accepted accounting principles and
    does not represent the measure of cash available for distribution. EBITDA is
    not intended as an alternative to earnings from continuing operations or net
    income.
 
(5) Cash flow from operating activities for the year ended December 31, 1994 was
    reduced by $123.6 million related to the repurchase of certain production
    payments.
 
(6) Includes $117.6 million in the year ended December 31, 1996 related to the
    acquisition of Central Gulf Area properties and $55.9 million in the six
    months ended June 30, 1997 related to the acquisition of additional
    properties in the Delta Area.
 
(7) Excludes results of hedging activities which increased (decreased) revenue
    recognized in the 1994, 1995 and 1996 periods by $1.7 million, $(0.5)
    million and $(18.7) million, respectively and by $(10.5) million and $(0.3)
    million in the six months ended June 30, 1996 and 1997. Including the effect
    of hedging activities, the Company's average oil price per Bbl received was
    $14.56, $17.27 and $19.70 in the years ended December 31, 1994, 1995 and
    1996, respectively, and the average gas price per Mcf received was $1.81,
    $1.84 and $2.50 in the years ended December 31, 1994, 1995 and 1996,
    respectively. In the six months ended June 30, 1996 and 1997, the Company's
    average oil price including hedging activities per Bbl received was $17.92
    and $20.13, respectively, and the average gas price per Mcf received was
    $2.17 in the six months ended June 30, 1996. The Company did not enter into
    any hedging activities relating to gas during the six months ended June 30,
    1997.
 
(8) As adjusted to give effect to (i) the issuance of $200,000,000 of the
    Company's 8 7/8% Senior Subordinated Notes due 2007 on July 2, 1997, and the
    application of the net proceeds therefrom and (ii) the Offering and the
    application of the net proceeds therefrom. See "Use of Proceeds."
                                        9
<PAGE>   11
 
                     SUMMARY HISTORICAL RESERVE INFORMATION
 
     The following tables set forth information with respect to the Company's
proved reserves as of December 31, 1996, as estimated by Netherland Sewell,
independent petroleum engineers for the Company, and as of June 30, 1997, as
estimated by the Company. As of December 31, 1996 and June 30, 1997, the average
sales prices used for purposes of estimating the Company's proved reserves, the
future net revenues therefrom and present value of such future net revenues were
$4.17 and $2.24 per Mcf of gas and $25.52 and $18.58 per Bbl of oil,
respectively (excluding the effect of net price hedging positions). For
additional information relating to the Company's reserves, see "Risk
Factors -- Reliance on Estimates of Proved Reserves," "Business -- Oil and
Natural Gas Reserves" and Notes 13 and 15 to the Company's consolidated
financial statements.
 
<TABLE>
<CAPTION>
                                                                       JUNE 30, 1997
                                                                     PROVED RESERVES(1)
                                                            ------------------------------------
                                                            DEVELOPED    UNDEVELOPED     TOTAL
                                                            ---------    -----------    --------
                                                                   (DOLLARS IN THOUSANDS)
<S>                                                         <C>          <C>            <C>
Net Proved Reserves:
  Oil (MBbls).............................................    48,761        12,990        61,751
  Gas (MMcf)..............................................   143,592        37,478       181,070
  MBOE....................................................    72,693        19,236        91,929
Estimated Future Net Revenues (Before Income Taxes).......  $481,738      $193,139      $674,877
Present Value of Future Net Revenues (Before Income Taxes;
  Discounted at 10%)......................................  $411,293      $141,281      $552,574
Standardized Measure of Discounted Future Net Cash
  Flows(2)................................................                              $451,340
</TABLE>
 
<TABLE>
<CAPTION>
                                                               DECEMBER 31, 1996
                                                               PROVED RESERVES(3)
                                              ----------------------------------------------------
                                              DEVELOPED     DEVELOPED
                                              PRODUCING    NONPRODUCING    UNDEVELOPED     TOTAL
                                              ---------    ------------    -----------    --------
                                                             (DOLLARS IN THOUSANDS)
<S>                                           <C>          <C>             <C>            <C>
Net Proved Reserves:
  Oil (MBbls)...............................    27,029         11,318         12,429        50,776
  Gas (MMcf)................................    56,836         52,738         35,784       145,358
  MBOE......................................    36,490         20,120         18,393        75,003
Estimated Future Net Revenues (Before Income
  Taxes)....................................  $306,470       $285,671       $289,633      $881,774
Present Value of Future Net Revenues (Before
  Income Taxes; Discounted at 10%)..........  $295,668       $188,764       $209,083      $693,515
Standardized Measure of Discounted Future
  Net Cash Flows(2).........................                                              $532,492
</TABLE>
 
- ---------------
 
(1) The reserve information as of June 30, 1997 was prepared by the Company's
    engineers in accordance with the rules and regulations of the Securities and
    Exchange Commission (the "Commission"); however, such reserve information
    has not been reviewed by independent reserve engineers. In accordance with
    rules and regulations of the Commission, the pre-tax Estimated Future Net
    Revenues, pre-tax Present Value of Future Net Revenues and the Standardized
    Measure of Discounted Future Net Cash Flows for the Company have been
    increased by approximately $2.3 million, $2.3 million and $1.7 million,
    respectively, representing the effect of hedging transactions entered into
    as of June 30, 1997.
 
(2) The Standardized Measure of Discounted Future Net Cash Flows, which were
    prepared by the Company, represents the Present Value of Future Net Revenues
    after income taxes discounted at 10%.
 
(3) In accordance with rules and regulations of the Commission, the pre-tax
    Estimated Future Net Revenues, pre-tax Present Value of Future Net Revenues
    and the Standardized Measure of Discounted Future Net Cash Flows prepared by
    the Company have been decreased by approximately $20.5 million, $18.6
    million and $12.4 million, respectively, representing the effect of hedging
    transactions entered into as of December 31, 1996.
                                       10
<PAGE>   12
 
                DISCLOSURE REGARDING FORWARD-LOOKING STATEMENTS
 
     This Prospectus includes "forward-looking statements" within the meaning of
Section 27A of the Securities Act of 1933, as amended (the "Securities Act") and
Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange
Act"). All statements other than statements of historical facts included in this
Prospectus, including without limitation, statements under "Prospectus Summary,"
"Risk Factors," "Management's Discussion and Analysis of Financial Condition and
Results of Operations" and "Business" regarding the planned capital
expenditures, increases in oil and gas production, the number of anticipated
wells to be drilled in 1997 and thereafter, the Company's financial position,
business strategy and other plans and objectives for future operations, are
forward-looking statements. Although the Company believes that the expectations
reflected in such forward-looking statements are reasonable, it can give no
assurance that such expectations will prove to have been correct. There are
numerous uncertainties inherent in estimating quantities of proved oil and
natural gas reserves and in projecting future rates of production and timing of
expenditures, including many factors beyond the control of the Company. Reserve
engineering is a subjective process of estimating underground accumulations of
oil and natural gas that cannot be measured in an exact way, and the accuracy of
any reserve estimate is a function of the quality of available data and of
engineering and geological interpretation and judgment. As a result, estimates
made by different engineers often vary from one another. In addition, results of
drilling, testing and production subsequent to the date of an estimate may
justify revisions of such estimate and such revisions, if significant, would
change the schedule of any further production and development drilling.
Accordingly, reserve estimates are generally different from the quantities of
oil and natural gas that are ultimately recovered. Additional important factors
that could cause actual results to differ materially from the Company's
expectations are disclosed under "Risk Factors" and elsewhere in this
Prospectus, including without limitation in conjunction with the forward-looking
statements. All written and verbal forward-looking statements attributable to
the Company or persons acting on its behalf are expressly qualified in their
entirety by such factors.
 
                                  RISK FACTORS
 
     An investment in the Company involves a significant degree of risk.
Prospective purchasers should give careful consideration to the specific factors
set forth below, as well as the other information set forth in this Prospectus,
before purchasing the Common Stock offered hereby.
 
REPLACEMENT OF RESERVES
 
     The Company's future success depends upon its ability to find, develop or
acquire additional oil and gas reserves that are economically recoverable. The
proved reserves of the Company will generally decline as reserves are depleted,
except to the extent that the Company conducts successful exploration or
development activities or acquires properties containing proved reserves, or
both. In order to increase reserves and production, the Company must continue
its development and exploration drilling and recompletion programs or undertake
other replacement activities. The Company's current strategy includes increasing
its reserve base through acquisitions of producing properties and by continuing
to exploit its existing properties. There can be no assurance, however, that the
Company's planned development and exploration projects and acquisition
activities will result in significant additional reserves or that the Company
will have continuing success drilling productive wells at low finding and
development costs. Furthermore, while the Company's revenues may increase if
prevailing oil and gas prices increase significantly, the Company's finding
costs for additional reserves could also increase. For a discussion of the
Company's reserves, see "Business -- Oil and Natural Gas Reserves."
 
PRICE FLUCTUATIONS AND MARKETS
 
     The Company's results of operations are highly dependent upon the prices
received for the Company's oil and natural gas. Substantially all of the
Company's sales of oil and natural gas are made in the spot market, or pursuant
to contracts based on spot market prices and not pursuant to long-term,
fixed-price contracts. Accordingly, the prices received by the Company for its
oil and natural gas production are dependent upon
 
                                       11
<PAGE>   13
 
numerous factors beyond the control of the Company. These factors include, but
are not limited to, the level of consumer product demand, governmental
regulations and taxes, the price and availability of alternative fuels, the
level of foreign imports of oil and natural gas, and the overall economic
environment. Any significant decline in prices for oil and natural gas could
have a material adverse effect on the Company's financial condition, results of
operations and quantities of reserves recoverable on an economic basis. Should
the industry experience significant price declines from current levels or other
adverse market conditions, the Company may not be able to generate sufficient
cash flow from operations to meet its obligations and make planned capital
expenditures. See "Management's Discussion and Analysis of Financial Condition
and Results of Operations -- Liquidity and Capital Resources," and
"Business -- Oil and Gas Marketing and Major Customers," and "-- Governmental
Regulation."
 
     The availability of a ready market for the Company's oil and natural gas
production also depends on a number of factors, including the demand for and
supply of oil and natural gas and the proximity of reserves to, and the capacity
of, oil and gas gathering systems, pipelines or trucking and terminal
facilities. Wells may be shut-in for lack of a market or due to inadequacy or
unavailability of pipeline or gathering system capacity.
 
     In order to manage its exposure to price risks in the sale of its crude oil
and natural gas, the Company from time to time enters into energy price swap
arrangements. The Company believes that its hedging strategies are generally
conservative in nature. See "Management's Discussion and Analysis of Financial
Condition and Results of Operations -- Other Matters."
 
EFFECTS OF LEVERAGE
 
     The Company is highly leveraged, with outstanding long-term indebtedness of
approximately $357 million as of June 30, 1997 (approximately $388 million as
adjusted for the issuance of the Company's 8 7/8% Senior Subordinated Notes due
2007 (the "8 7/8% Notes") and the application of the proceeds therefrom). The
Company's level of indebtedness has several important effects on its future
operations, including (i) a substantial portion of the Company's cash flow from
operations is dedicated to the payment of interest on its indebtedness and is
not available for other purposes, (ii) the indenture (the "9 3/4% Notes
Indenture") related to the Company's 9 3/4% Senior Subordinated Notes due 2006
(the "9 3/4% Notes") and the indenture (the "8 7/8% Notes Indenture" and,
together with the 9 3/4% Notes Indenture, the "Indentures") related to the
Company's 8 7/8% Notes contain restrictions that limit the Company's ability to
borrow additional funds or to dispose of assets and affect the Company's
flexibility in planning for, and reacting to, changes in its business, including
possible acquisition activities and (iii) the Company's ability to obtain
additional financing in the future for working capital, capital expenditures,
acquisitions, general corporate purposes or other purposes may be impaired.
Moreover, future acquisition or development activities may require the Company
to alter its capitalization significantly. See "-- Substantial Capital
Requirements," and "Management's Discussion and Analysis of Financial Condition
and Results of Operations -- Liquidity and Capital Resources."
 
     The Company's ability to meet its debt service obligations and to reduce
its total indebtedness will be dependent upon the Company's future performance,
which will be subject to oil and gas prices, general economic conditions and to
financial, business and other factors affecting the operations of the Company,
many of which are beyond its control. There can be no assurance that the
Company's future performance will not be adversely affected by such economic
conditions and financial, business and other factors. See "-- Price Fluctuations
and Markets" and "Capitalization."
 
DRILLING RISKS
 
     Drilling activities are subject to many risks, including the risk that no
commercially productive reservoirs will be encountered. There can be no
assurance that new wells drilled by the Company will be productive or that the
Company will recover all or any portion of its investment. Drilling for oil and
natural gas may involve unprofitable efforts, not only from dry wells, but from
wells that are productive but do not produce sufficient net revenues to return a
profit after drilling, completing, operating, and other costs. The cost of
drilling, completing and operating wells is often uncertain. The Company's
drilling operations may be curtailed, delayed or canceled as a result of
numerous factors, many of which are beyond the Company's control,
 
                                       12
<PAGE>   14
 
including title problems, weather conditions, compliance with governmental
requirements and shortages or delays in the delivery of equipment and services.
 
     Through its participation in the Deepwater Venture and its bids for
Keathley Canyon, the Company has acquired a significant property interest in the
Deepwater Gulf, which may be expanded in the future. Exploration, development
and production operations in the Deepwater Gulf involve significant capital
outlays and substantially different skills and techniques than the Company's
other operations, and there can be no assurance that the Company will achieve
results similar to those previously achieved on its existing properties.
Although the Company hopes to benefit from Conoco's expertise in the Deepwater
Venture, there can be no assurance that such benefits will be realized or that,
if realized, they can be successfully applied to the Company's activities in
other areas of the Deepwater Gulf.
 
SUBSTANTIAL CAPITAL REQUIREMENTS
 
     The Company makes, and will continue to make, substantial capital
expenditures for the acquisition, exploration, development, production and
abandonment of its oil and natural gas reserves. The Company intends to finance
such capital expenditures primarily with funds provided by operations, a portion
of the net proceeds of the Offering and borrowings under its $250 million
amended and restated senior revolving bank credit facility dated October 15,
1997 (the "Revolving Credit Facility"). The Company believes that, after debt
service, these sources will be sufficient to fund planned capital expenditures
of approximately $125 million for the remainder of 1997 and $325 million for
1998. If revenues decrease as a result of lower oil and gas prices or otherwise,
the Company may have limited ability to expend the capital necessary to replace
its reserves or to maintain production at current levels, resulting in a
decrease in production over time. If the Company's cash flow from operations is
not sufficient to satisfy its capital expenditure requirements, there can be no
assurance that additional debt or equity financing will be available to meet
these requirements. See "Management's Discussion and Analysis of Financial
Condition and Results of Operations -- Liquidity and Capital Resources."
 
ACQUISITION RISKS
 
     The Company constantly evaluates acquisition and joint venture
opportunities and frequently engages in bidding and negotiation for
acquisitions, many of which are substantial. If successful in this process, the
Company may be required to alter or increase its capitalization substantially to
finance these acquisitions or joint ventures through the issuance of additional
debt or equity securities, the sale of production payments or otherwise. These
changes in capitalization may significantly affect the risk profile of the
Company. Additionally, significant acquisitions or joint ventures can change the
nature of the operations and business of the Company depending upon the
character of the properties, which may be substantially different in operating
or geologic characteristics or geographic location than existing properties.
While the Company has historically concentrated on joint ventures and
acquisitions involving producing properties with exploration and development
potential located in the Gulf of Mexico, there is no assurance that the Company
would not pursue acquisitions of properties and joint ventures that are
non-producing or located in other geographic regions. Moreover, there can be no
assurance that the Company will be successful in the acquisition of, or joint
ventures related to, any material property interests. See "Management's
Discussion and Analysis of Financial Condition and Results of
Operations -- Liquidity and Capital Resources."
 
RELIANCE ON ESTIMATES OF PROVED RESERVES
 
     There are numerous uncertainties inherent in estimating quantities of
proved reserves, including many factors beyond the control of the Company. The
Company's historical reserve information set forth in this Prospectus represents
only estimates based on reports prepared by Netherland Sewell, as of December
31, 1996, and by the Company, as of June 30, 1997.
 
     Petroleum engineering is not an exact science. Information relating to the
Company's proved oil and gas reserves is based upon engineering estimates.
Estimates of economically recoverable oil and gas reserves and of future net
cash flows necessarily depend upon a number of variable factors and assumptions,
such as
 
                                       13
<PAGE>   15
 
historical production from the area compared with production from other
producing areas, the assumed effects of regulations by governmental agencies and
assumptions concerning future oil and gas prices, future operating costs,
severance and excise taxes, development costs and workover and remedial costs,
all of which may in fact vary considerably from actual results. For these
reasons, estimates of the economically recoverable quantities of oil and gas
attributable to any particular group of properties, classifications of such
reserves based on risk of recovery and estimates of the future net cash flows
expected therefrom prepared by different engineers or by the same engineers at
different times may vary substantially. Actual production, revenues and
expenditures with respect to the Company's reserves will likely vary from
estimates, and such variances may be material. See "Business -- Oil and Natural
Gas Reserves."
 
     The Present Value of Future Net Revenues referred to in this Prospectus
should not be construed as the current market value of the estimated oil and gas
reserves attributable to the Company's properties. In accordance with applicable
requirements of the Commission, the estimated discounted future net cash flows
from proved reserves are generally based on prices and costs as of the date of
the estimate, whereas actual future prices and costs may be materially higher or
lower. Actual future net cash flows also will be affected by factors such as the
amount and timing of actual production, supply and demand for oil and gas,
curtailments or increases in consumption by gas purchasers and changes in
governmental regulations or taxation. The timing of actual future net cash flows
from proved reserves, and thus their actual present value, will be affected by
the timing of both the production and the incurrence of expenses in connection
with development and production of oil and gas properties. In addition, the 10%
discount factor, which is required by the Commission to be used to calculate
discounted future net cash flows for reporting purposes, is not necessarily the
most appropriate discount factor based on interest rates in effect from time to
time and risks associated with the Company or the oil and gas industry in
general.
 
COMPETITION
 
     The Company operates in the highly competitive areas of oil and natural gas
exploration, development and production with other companies, many of which may
have substantially larger financial resources, staffs, and facilities. See
"Business -- Competition."
 
OPERATING HAZARDS AND UNINSURED RISKS
 
     The Company's operations are subject to hazards and risks inherent in
drilling for and production and transportation of oil and natural gas, such as
fires, natural disasters, explosions, encountering formations with abnormal
pressures, blowouts, cratering, pipeline ruptures, and spills, any of which can
result in loss of hydrocarbons, environmental pollution, personal injury claims,
and other damage to properties of the Company and others. Additionally, the
Company's oil and gas operations are located in an area that is subject to
tropical weather disturbances, some of which can be severe enough to cause
substantial damage to facilities and possibly interrupt production. As
protection against operating hazards, the Company maintains insurance coverage
against some, but not all, potential losses. The Company's coverages include,
but are not limited to, operator's extra expense, physical damage on certain
assets, employer's liability, comprehensive general liability, automobile,
workers' compensation and loss of production income insurance. The Company
believes that its insurance is adequate and customary for companies of a similar
size engaged in operations similar to those of the Company, but losses could
occur for uninsurable or uninsured risks or in amounts in excess of existing
insurance coverage. The occurrence of an event that is not fully covered by
insurance could have an adverse impact on the Company's financial condition and
results of operations.
 
ABANDONMENT COSTS
 
     Due to the Company's large number of offshore producing wells and expansive
production facilities, government regulations and lease terms will require the
Company to incur substantial abandonment costs. As of December 31, 1996, total
abandonment costs for the Company's properties estimated to be incurred through
2011 were approximately $84.0 million. Estimated abandonment costs have been
included in determining estimates of the Company's future net revenues from
proved reserves included herein, and the Company accounts for such costs through
its provision for depreciation, depletion and amortization. Under the
 
                                       14
<PAGE>   16
 
terms of the acquisition agreements for certain of the Company's producing
properties, the Company is required to periodically fund restricted cash
accounts as a reserve for abandonment costs on such properties. See
"Business -- Abandonment Costs" and Note 12 to the audited consolidated
financial statements of the Company included elsewhere herein.
 
COMPLIANCE WITH GOVERNMENT REGULATIONS
 
     The Company's business is subject to certain Federal, state, and local laws
and regulations relating to the exploration for, and the development, production
and transportation of, oil and natural gas, as well as environmental and safety
matters. Many of these laws and regulations have become more stringent in recent
years, often imposing greater liability on a larger number of potentially
responsible parties. Although the Company believes it is in substantial
compliance with all applicable laws and regulations, the requirements imposed by
such laws and regulations are frequently changed and subject to interpretation,
and the Company is unable to predict the ultimate cost of compliance with these
requirements or their effect on its operations. Under certain circumstances, the
Minerals Management Service ("MMS"), an agency of the U.S. Department of the
Interior, may require any Company operations on federal leases to be suspended
or terminated. Any such suspensions, terminations or inability to meet
applicable bonding requirements could materially and adversely affect the
Company's financial condition and operations. Although significant expenditures
may be required to comply with governmental laws and regulations applicable to
the Company, to date such compliance has not had a material adverse effect on
the earnings or competitive position of the Company. It is possible that such
regulations in the future may add to the cost of operating offshore drilling
equipment or may significantly limit drilling activity. See
"Business -- Abandonment Costs," "-- Governmental Regulation" and
"-- Environmental Matters."
 
DEPENDENCE UPON KEY PERSONNEL
 
     The success of the Company has been and will continue to be highly
dependent on James C. Flores, the Company's founder, Chairman of the Board,
President and Chief Executive Officer, and certain other senior management
personnel. Loss of the services of any such individuals could have a material
adverse effect on the Company's operations. The Company can make no assurance
regarding the future affiliation of such individuals with the Company. See
"Management."
 
RESTRICTIONS ON PAYMENT OF DIVIDENDS AND DIVIDEND POLICY
 
     The Company does not currently intend to pay regular cash dividends on the
Common Stock. This policy will be reviewed by the Board of Directors of the
Company from time to time in light of, among other things, the Company's
earnings and financial position and limitations imposed by the Company's debt
instruments.
 
ANTI-TAKEOVER PROVISIONS; PREFERRED STOCK
 
     The Company's Certificate of Incorporation, Bylaws, Indentures and employee
benefit plans contain provisions which may have the effect of delaying,
deferring or preventing a change in control of the Company. For example, the
Company's Certificate of Incorporation and Bylaws provide for, among other
things, a classified Board of Directors, the prohibition of stockholder action
by written consent and the affirmative vote of at least 66 2/3% of all
outstanding shares of Common Stock to approve the removal of directors from
office. The Company's Board of Directors has the authority to issue shares of
Preferred Stock in one or more series and to fix the rights and preferences of
the shares of any such series without stockholder approval. In addition, the
Board of Directors may issue certain rights ("Rights") pursuant to the rights
plan authorized by the Certificate of Incorporation. Any series of Preferred
Stock is likely to be senior to the Common Stock with respect to dividends,
liquidation rights and, possibly, voting. The ability to issue Preferred Stock
or Rights could have the effect of discouraging unsolicited acquisition
proposals. In addition, upon a Change of Control (as defined in the Indentures),
each holder of 9 3/4% Notes or 8 7/8% Notes may require the Company to purchase
all or a portion of such holder's 9 3/4% Notes or 8 7/8% Notes at a purchase
price equal to 101% of the principal amount thereof, together with accrued and
unpaid interest, if any, to the date of purchase. The Company's employee stock
option plans contain provisions that allow for, among others, the acceleration
of
 
                                       15
<PAGE>   17
 
vesting or payment of awards granted under such plan in the event of a "change
of control," as defined in such plan. In addition, the Company has entered into
employment agreements with its officers allowing for cash payments under certain
circumstances following a change in control, as defined, of the Company.
 
                                USE OF PROCEEDS
 
     The net proceeds to the Company from the Offering are estimated to be
approximately $216.1 million (assuming an Offering price of $64.25 per share).
Approximately $185 million of the net proceeds will be used to repay all
outstanding indebtedness under the Revolving Credit Facility. Of this amount,
approximately $61 million was incurred to finance the acquisition of the South
Pass Properties, with the remainder incurred during 1997 to date in connection
with the Company's exploration, development and production activities (including
drilling expenditures and the acquisition of leasehold and seismic data) and for
general corporate purposes. The indebtedness under the Revolving Credit Facility
bore interest at a weighted average rate of 7.9% at October 13, 1997 and has a
final maturity date of October 31, 2000. See "Management's Discussion and
Analysis of Financial Condition and Results of Operations -- Liquidity and
Capital Resources." The remaining net proceeds will be used to fund exploration
and exploitation drilling activities and for possible future acquisitions, as
well as for other general corporate purposes. Pending such uses, the net
proceeds will be invested in short-term, interest-bearing instruments.
 
     The Company will not receive any proceeds from the sale of Common Stock
offered by the Selling Stockholders.
 
                                       16
<PAGE>   18
 
                                 CAPITALIZATION
 
     The following table sets forth the consolidated capitalization of the
Company (i) as of June 30, 1997, (ii) as adjusted to give effect to the issuance
of the 8 7/8% Notes and the application of the net proceeds therefrom and (iii)
as further adjusted to give effect to the Offering and the assumed application
of the net proceeds therefrom (assuming net proceeds of $216.1 million). The
information presented below should be read in conjunction with the consolidated
financial statements of the Company and notes thereto, "Selected Historical
Financial and Operating Data" and "Management's Discussion and Analysis of
Financial Condition and Results of Operations" included elsewhere in or
incorporated by reference into this Prospectus.
 
<TABLE>
<CAPTION>
                                                                        JUNE 30, 1997
                                                            --------------------------------------
                                                                                        AS FURTHER
                                                                        AS ADJUSTED      ADJUSTED
                                                                          FOR THE        FOR THE
                                                             ACTUAL     8 7/8% NOTES     OFFERING
                                                            --------    ------------    ----------
                                                                    (DOLLARS IN THOUSANDS)
<S>                                                         <C>         <C>             <C>
Long-term debt:
  Revolving Credit Facility(1)............................  $ 73,000      $ 29,000       $     --
  Senior Notes............................................   125,000           245            245
  8 7/8% Senior Subordinated Notes........................        --       199,660        199,660
  9 3/4% Senior Subordinated Notes........................   159,186       159,186        159,186
                                                            --------      --------       --------
          Total long-term debt............................   357,186       388,091        359,091
Stockholders' Equity:
  Preferred stock, $.01 par value, 10,000,000 shares
     authorized, no shares issued and outstanding, actual,
     as adjusted and as further adjusted..................        --            --             --
  Common stock, $.01 par value, 100,000,000 shares
     authorized, 19,701,344 shares issued and outstanding,
     actual and as adjusted, and 23,281,344 shares as
     further adjusted.....................................       197           197            233
  Additional paid-in capital..............................    93,244        93,244        309,338
  Retained earnings.......................................    29,265         9,984(2)       9,984
                                                            --------      --------       --------
          Total stockholders' equity......................   122,706       103,425        319,555
                                                            --------      --------       --------
          Total capitalization............................  $479,892      $491,516       $678,646
                                                            ========      ========       ========
</TABLE>
 
- ---------------
 
(1) Outstanding borrowings under the Revolving Credit Facility were
    approximately $185 million at October 15, 1997.
 
(2) Reflects the after-tax loss of $19.3 million resulting from the Company's
    tender offer for its 13 1/2% Senior Notes due 2004, including the write-off
    of deferred financing costs of such Notes.
 
                                       17
<PAGE>   19
 
                PRICE RANGE OF COMMON STOCK AND DIVIDEND POLICY
 
     The Company's Common Stock trades on the NYSE under the symbol "OEI." The
following table represents the quarterly high and low sales prices for the
Common Stock on the NYSE since March 25, 1996 and, during the prior periods
indicated, the high and low bid quotations in the over-the-counter market as
quoted by the Nasdaq National Market since the shares became publicly traded
(which quotations reflect the inter-dealer prices, without retail mark-up,
mark-down or commission and may not necessarily represent actual transactions).
 
<TABLE>
<CAPTION>
                                                                  HIGH            LOW
                                                                  ----            ---
<S>                                                             <C>              <C>
1995
  First Quarter.............................................     12 3/8           9 1/4
  Second Quarter............................................     13 3/4          11 1/4
  Third Quarter.............................................     12 3/4          10 1/2
  Fourth Quarter............................................     14 1/2          11 1/4
1996
  First Quarter.............................................     18 7/8          13 3/4
  Second Quarter............................................     33 3/4          18 1/8
  Third Quarter.............................................     41 1/2          28 3/4
  Fourth Quarter............................................     54 3/8          38 3/8
1997
  First Quarter.............................................     56              38
  Second Quarter............................................     53 1/8          38 7/8
  Third Quarter.............................................     70 1/8          41 1/4
  Fourth Quarter (through October 14, 1997).................     70 9/16         63 3/4
</TABLE>
 
     The last reported sale price of the Common Stock as reported on the
composite tape for issues listed on the NYSE on October 14, 1997, was $64 1/4
per share. As of September 30, 1997, there were approximately 157 holders of
record of the Common Stock.
 
     The Company does not anticipate paying cash dividends on its Common Stock
in the foreseeable future. The Company expects that it will retain all available
earnings generated by the Company's operations for the development and growth of
its business. Any future determination as to the payment of dividends will be
made at the discretion of the Board of Directors of the Company and will depend
upon the Company's operating results, financial condition, capital requirements,
general business conditions and such other factors as the Board of Directors
deems relevant. The Company's debt instruments include certain restrictions on
the payment of cash dividends on the Common Stock. See "Management's Discussion
and Analysis of Financial Condition and Results of Operations -- Liquidity and
Capital Resources."
 
                                       18
<PAGE>   20
 
                SELECTED HISTORICAL FINANCIAL AND OPERATING DATA
 
    The summary historical financial data set forth below for the period from
inception (April 20, 1992) through December 31, 1992, and the years ended
December 31, 1993, 1994, 1995 and 1996 for the Company have been derived from
the audited financial statements and notes thereto contained elsewhere in this
Prospectus. The financial data for the six months ended June 30, 1996 and 1997
are derived from unaudited financial statements of the Company. The summary
historical financial data are qualified in their entirety by, and should be read
in conjunction with "Management's Discussion and Analysis of Financial Condition
and Results of Operations" and the financial statements and the notes thereto
included elsewhere in this Prospectus. For additional information relating to
the Company's operations, see "Business."
 
<TABLE>
<CAPTION>
                                              PERIOD FROM
                                               INCEPTION
                                            (APRIL 20, 1992)                  YEAR ENDED                    SIX MONTHS ENDED
                                                THROUGH                      DECEMBER 31,                       JUNE 30,
                                              DECEMBER 31,     -----------------------------------------   -------------------
                                                  1992           1993       1994       1995       1996       1996       1997
                                            ----------------   --------   --------   --------   --------   --------   --------
                                                   (DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS AND OPERATING DATA)
<S>                                         <C>                <C>        <C>        <C>        <C>        <C>        <C>
STATEMENT OF OPERATIONS AND OTHER
  FINANCIAL DATA:
Revenues and Expense Data:
Revenues..................................      $13,279        $ 47,483   $ 75,395   $127,970   $188,451   $ 69,082   $130,069
Direct Operating Expenses.................        6,687          19,201     30,324     40,047     47,098     22,044     32,592
General and Administrative Expenses.......          385           5,032     10,351     11,312     16,154      6,025      8,596
Depreciation, Depletion and
  Amortization............................        3,420          20,140     36,459     54,084     74,652     28,973     51,580
Interest Expense..........................          241           1,055      4,507     17,620     17,954      8,188     13,303
Loss on Production Payment Repurchase and
  Refinancing(1)..........................           --              --     16,681         --         --         --         --
Net Income (Loss) Before Income Tax
  Expense (Benefit).......................        2,584           2,227    (22,179)     5,210     32,988      3,850     24,682
Income Tax Expense (Benefit)(2)...........           --              --         --     (4,692)    12,037      1,515      8,555
Net Income (Loss).........................        2,584           2,227    (22,179)     9,902     20,951      2,336     16,127
Earnings per Common Share(3)
  Primary.................................           --              --         --   $   0.65   $   1.07   $   0.13   $   0.77
  Fully diluted...........................           --              --         --       0.65       1.05       0.13       0.77
OTHER FINANCIAL DATA:
EBITDA(4).................................      $ 6,245        $ 23,422   $ 35,855   $ 77,645   $129,100   $ 43,468   $ 90,274
Net Cash Provided By (Used In) Operating
  Activities(5)...........................       38,042         103,112   (115,485)    58,880    125,989     21,176     83,558
Capital Expenditures(6)...................       34,978         123,600     74,477     73,652    251,305     64,771    216,870
OPERATING DATA:
Sales Volumes:
  Oil (MBbls).............................          670           2,850      4,286      6,057      7,149      3,008      4,350
  Gas (MMcf)..............................        1,484           3,704      7,234     12,393     18,720      7,016     16,517
  MBOE....................................          917           3,467      5,492      8,123     10,269      4,178      7,103
Average Prices(7):
  Oil (per Bbl)...........................      $ 16.18        $  13.82   $  14.24   $  17.39   $  21.58   $  19.80   $  20.21
  Gas (per MCF)...........................         1.64            1.81       1.76       1.82       2.79       2.86       2.57
  BOE (per BOE)...........................        14.48           13.30      13.42      15.75      20.10      19.05      18.36
Lease Operating Expenses (per BOE)........      $  5.45        $   4.10   $   4.29   $   3.70   $   3.52   $   3.95   $   3.83
</TABLE>
 
<TABLE>
<CAPTION>
                                                                             AS OF DECEMBER 31,                     AS OF
                                                             ---------------------------------------------------   JUNE 30,
                                                              1992       1993       1994       1995       1996       1997
                                                             -------   --------   --------   --------   --------   --------
                                                                                 (DOLLARS IN THOUSANDS)
<S>                                                          <C>       <C>        <C>        <C>        <C>        <C>
BALANCE SHEET DATA:
Oil and Gas Assets, Net....................................  $30,998   $122,374   $160,311   $179,944   $355,698   $520,989
Total Assets...............................................   36,837    131,613    181,344    215,457    460,710    582,410
Long-Term Debt.............................................       --     13,448    154,039    171,692    284,142    357,186
Deferred Revenue on Production Payments(8).................   32,347    108,784         --         --         --         --
Stockholders' Equity.......................................      349       (825)     9,703     19,976    105,153    122,705
</TABLE>
 
                                       19
<PAGE>   21
 
- ---------------
 
(1) The amount shown for the year ended December 31, 1994 represents primarily
    the excess of the purchase price of production payments over the book value
    of such production payments liability as of December 7, 1994.
 
(2) The Company was formed as an S corporation under the Internal Revenue Code
    and, as such, all income taxes were the obligation of the Company's
    stockholders. Therefore, through the date of the Initial Public Offering, no
    historical federal or state income tax expense has been provided for in the
    financial statements. In conjunction with the Initial Public Offering, the
    Company converted to a C corporation under the Internal Revenue Code. The
    Company recorded a deferred tax asset of $6.3 million, offset by a valuation
    allowance of $6.3 million at December 31, 1994 and a deferred tax asset of
    $4.7 million at December 31, 1995. As a result of the reversal of the
    valuation allowance, the Company recorded a net income tax benefit of $4.7
    million in the year ended December 31, 1995.
 
(3) If the Company had recognized a tax provision at statutory rates for the
    year ended December 31, 1995, rather than an income tax benefit, earnings
    per common share would have been $0.22 for such period. Earnings per share
    has not been presented for periods prior to or including the date of the
    Initial Public Offering, as these amounts would not be meaningful or
    indicative of the ongoing entity.
 
(4) Earnings before interest, taxes, depreciation, depletion and amortization.
    EBITDA has not been reduced for the recognition of noncash revenues
    associated with production payments. EBITDA is not intended to represent
    cash flow in accordance with generally accepted accounting principles and
    does not represent the measure of cash available for distribution. EBITDA is
    not intended as an alternative to earnings from continuing operations or net
    income.
 
(5) Cash flow from operating activities in 1992 and 1993 includes $36.8 million
    and $95.7 million, respectively, from the sale of production payments. Cash
    flow from operating activities for the year ended December 31, 1994 was
    reduced by $123.6 million related to the repurchase of such production
    payments.
 
(6) Includes $34.3 million in the year ended December 31, 1992 related to the
    acquisition of properties in the Delta Area, $115.5 million in the year
    ended December 31, 1993 related to the acquisition of additional properties
    in the Delta Area, $117.6 million in the year ended December 31, 1996
    related to the acquisition of Central Gulf Area Properties and $55.9 million
    in the period ended June 30, 1997 related to the acquisition of additional
    properties in the Delta Area.
 
(7) Excludes results of hedging activities which increased (decreased) revenue
    recognized in the 1993, 1994, 1995 and 1996 periods by $1.2 million, $1.7
    million, $(0.5) million and $(18.7) million, respectively and by $(10.5)
    million and $(0.3) million in the six months ended June 30, 1996 and June
    30, 1997. Including the effect of hedging activities, the Company's average
    oil price per Bbl received was $14.23, $14.56, $17.27 and $19.70 in the
    years ended December 31, 1993, 1994, 1995 and 1996, respectively, and the
    average gas price per Mcf received was $1.81, $1.84 and $2.50 in the years
    ended December 31, 1994, 1995 and 1996, respectively. In the six months
    ended June 30, 1996 and 1997, the Company's average oil price including
    hedging activities per Bbl received was $17.92 and $20.13, respectively, and
    the average gas price per Mcf received was $2.17 in the six months ended
    June 30, 1996. The Company did not enter into any hedging activities
    relating to oil during 1992 or relating to gas during 1992, 1993 and in the
    six months ended June 30, 1997.
 
(8) Amounts represent deferred revenues recognized from the sale of production
    payments. See Note 4 to the consolidated financial statements of the
    Company.
 
                                       20
<PAGE>   22
 
                    MANAGEMENT'S DISCUSSION AND ANALYSIS OF
                 FINANCIAL CONDITION AND RESULTS OF OPERATIONS
 
     The following is a discussion and analysis of the Company's financial
condition and results of operations and should be read in conjunction with the
Company's consolidated financial statements and the notes thereto included
elsewhere in or incorporated by reference into this Prospectus.
 
GENERAL
 
     The Company is an independent energy company engaged in the exploration,
development, acquisition and production of crude oil and natural gas with
operations focused primarily in the Eastern and Central Gulf of Mexico and
coastal onshore Louisiana, some of the most prolific oil and gas producing
regions in the United States. As of June 30, 1997, the Company had estimated
proved reserves of approximately 61.8 MMBbls of oil and 181.1 Bcf of natural
gas, or an aggregate of approximately 91.9 MMBOE, with a Present Value of Future
Net Revenues of approximately $552.6 million and a Standardized Measure of
Discounted Future Net Cash Flows of approximately $451.3 million. On a BOE
basis, approximately 67% of the Company's proved reserves on such date were oil.
The majority of the Company's existing proved reserves are attributable to
Company operated wells or leases and approximately 79% of these reserves were
classified as proved developed at June 30, 1997.
 
     The following table reflects certain information with respect to the
Company's oil and gas properties. Sales volumes, revenues and average sales
prices presented below have been segregated into those subject to production
payments and amounts in excess of production payments in the applicable periods.
On December 7, 1994, the Company purchased an outstanding 12% minority interest
in a portion of the Delta Area (the "Minority Interest"). The amounts for the
year ended December 31, 1994 do not reflect the Minority Interest prior to its
acquisition.
 
<TABLE>
<CAPTION>
                                                                             SIX MONTHS ENDED
                                               YEAR ENDED DECEMBER 31,           JUNE 30,
                                           -------------------------------   -----------------
                                            1994         1995       1996      1996      1997
                                           -------     --------   --------   -------   -------
                                                 (IN THOUSANDS, EXCEPT PER UNIT AMOUNTS)
<S>                                        <C>         <C>        <C>        <C>       <C>
Sales Volumes
  Oil (MBbls)
     Excess Over Production Payments.....    2,771        6,057      7,149     3,008     4,350
     Production Payments.................    1,515           --         --        --        --
                                           -------     --------   --------   -------   -------
          Total Oil Volumes..............    4,286        6,057      7,149     3,008     4,350
                                           =======     ========   ========   =======   =======
  Gas (MMcf)
     Excess Over Production Payments.....    3,456       12,393     18,720     7,016    16,517
     Production Payments.................    3,778           --         --        --        --
                                           -------     --------   --------   -------   -------
          Total Gas Volumes..............    7,234       12,393     18,720     7,016    16,517
                                           =======     ========   ========   =======   =======
Revenues(1)
  Oil
     Excess Over Production Payments.....  $43,106(2)  $105,360   $154,284   $59,561   $87,919
     Production Payments.................   17,906           --         --        --        --
                                           -------     --------   --------   -------   -------
          Total Oil Revenues.............  $61,012     $105,360   $154,284   $59,561   $87,919
                                           =======     ========   ========   =======   =======
  Gas
     Excess Over Production Payments.....  $ 6,757     $ 22,581   $ 52,175   $20,032   $42,532
     Production Payments.................    5,951           --         --        --        --
                                           -------     --------   --------   -------   -------
          Total Gas Revenues.............  $12,708     $ 22,581   $ 52,175   $20,032   $42,532
                                           =======     ========   ========   =======   =======
</TABLE>
 
                                       21
<PAGE>   23
<TABLE>
<CAPTION>
                                                                             SIX MONTHS ENDED
                                               YEAR ENDED DECEMBER 31,           JUNE 30,
                                           -------------------------------   -----------------
                                            1994         1995       1996      1996      1997
                                           -------     --------   --------   -------   -------
                                                 (IN THOUSANDS, EXCEPT PER UNIT AMOUNTS)
<S>                                        <C>         <C>        <C>        <C>       <C>
Average Sales Prices(1)
  Oil (per Bbl)
     Excess Over Production Payments.....  $ 15.56(2)  $  17.39   $  21.58   $ 19.80   $ 20.21
     Production Payments.................    11.82           --         --        --        --
     Net Average Oil Price...............    14.24        17.39      21.58     19.80     20.21
  Gas (per Mcf)
     Excess over Production Payments.....  $  1.96     $   1.82   $   2.79   $  2.86   $  2.57
     Production Payments.................     1.58           --         --        --        --
     Net Average Gas Price...............     1.76         1.82       2.79      2.86      2.57
  BOE (per BOE)
     Excess over Production Payments.....  $ 14.90     $  15.75   $  20.10   $ 19.05   $ 18.36
     Production Payments.................    11.12           --         --        --        --
     Net Average Price...................    13.42        15.75      20.10     19.05     18.36
Severance Taxes(3).......................  $ 6,747     $ 10,023   $ 10,906   $ 5,522   $ 5,378
Lease Operating Expenses(3)..............  $23,577     $ 30,023   $ 36,192   $16,522   $27,213
Lease Operating Expenses (per BOE).......  $  4.29     $   3.70   $   3.52   $  3.95   $  3.83
</TABLE>
 
- ---------------
 
(1) Excludes results of hedging activities which increased (decreased) revenue
    recognized in the 1994, 1995 and 1996 periods by $1.7 million, $(0.5)
    million and $(18.7) million, respectively, and by $(10.5) million and $(0.3)
    million in the six months ended June 30, 1996 and 1997, respectively.
    Including the effect of hedging activities, the Company's average oil price
    received was $14.56, $17.27 and $19.70 in the years ended December 31, 1994,
    1995 and 1996, respectively, and the average gas price received was $1.81,
    $1.84 and $2.50 in the years ended December 31, 1994, 1995 and 1996,
    respectively. In the six months ended June 30, 1996 and 1997, including
    hedging activities, the Company's average oil price received was $17.92 and
    $20.13, respectively, and the average gas price received was $2.17 in the
    six months ended June 30, 1996. No gas volumes were hedged in the six months
    ended June 30, 1997. Plant processing income (loss) was ($0.1) million, $0.6
    million and $0.7 million in the 1994, 1995 and 1996 periods, respectively.
    Losses relating to plant processing were less than $0.1 million for the six
    months ended June 30, 1996 and 1997.
 
(2) Includes sales of 800 MBbls for the year ended December 31, 1994, subject to
    a long-term contract at prices averaging $1.29 per Bbl for the eleven months
    ended November 30, 1994. See "Business -- Oil and Gas Marketing and Major
    Customers."
 
(3) Volumes delivered under production payments were received by Enron Reserve
    Acquisition Corp. free and clear of severance taxes and lease operating
    expenses. These costs were borne in full by the Company under the terms of
    the production payments.
 
                                       22
<PAGE>   24
 
RESULTS OF OPERATIONS FOR THE SIX MONTHS ENDED JUNE 30, 1996 AND 1997
 
     Revenues. The following table reflects an analysis of differences in the
Company's oil and gas revenues (expressed in thousands of dollars) between the
six months ending June 30, 1997 and the comparable period in 1996:
 
<TABLE>
<CAPTION>
                                                              SIX MONTHS 1997
                                                                COMPARED TO
                                                              SIX MONTHS 1996
                                                              ---------------
<S>                                                           <C>
Increase (decrease) in oil and gas revenues resulting from
  differences in:
  Crude oil and condensate --
     Price..................................................      $ 1,789
     Production.............................................       26,569
                                                                  -------
                                                                   28,358
  Natural gas --
     Price..................................................       (4,630)
     Production.............................................       27,130
                                                                  -------
                                                                   22,500
  Plant processing and hedging, net.........................       10,128
                                                                  -------
Increase in oil and gas revenues............................      $60,986
                                                                  =======
</TABLE>
 
     For the six months ended June 30, 1997, the Company's total revenues
increased approximately $61.0 million, or 88%, to $130.1 million, from $69.1
million for the comparable period of 1996. Production levels for the six months
ended June 30, 1997, increased 70%, to 7,103 MBOE from 4,178 MBOE for the
comparable period in 1996. The Company's average sales prices (excluding hedging
activities) for oil and natural gas for the six months ended June 30, 1997, were
$20.21 per Bbl and $2.57 per Mcf versus $19.80 per Bbl and $2.86 per Mcf in the
1996 period. Revenues increased by $53.7 million due to the aforementioned
production increases and decreased by $2.8 million as a result of decreased oil
and gas prices. The increase for the six months ended June 30, 1997, included
additional production of 1,899 MBOE and related revenues of $33.6 million
associated with the acquisition of certain interests in certain oil and gas
producing fields and related production facilities primarily situated in the
shallow federal waters of the central Gulf of Mexico, offshore Louisiana (the
"Central Gulf Properties") on September 26, 1996.
 
     For the six months ended June 30, 1997, the Company's total revenues were
further affected by an increase of $10.1 million over the comparable prior year
period relating to hedging activities. In order to manage its exposure to price
risks in the sale of its crude oil and natural gas, the Company from time to
time enters into price hedging arrangements. See "-- Other Matters -- Energy
Swap Agreements." The Company's average sales prices (including hedging
activities) for oil for the six months ended June 30, 1997, was $20.13 per Bbl
versus $17.92 per Bbl in the prior year period. The average sales price
(including hedging activities) for gas for the six months ended June 30, 1996,
was $2.17 per Mcf. No gas volumes were hedged in the six months ended June 30,
1997.
 
     Lease operating expenses. Lease operating expenses decreased to $3.83 per
BOE for the six months ended June 30, 1997, from $3.95 per BOE in the comparable
1996 period. For the six months ended June 30, 1997, lease operating expenses
were $27.2 million, as compared to $16.5 million in the 1996 period. This
increase partially results from fluctuations in operating expenses associated
with increased production and an increase of approximately $6.9 million in the
six months ended June 30, 1997, relating to lease operating expenses associated
with the acquired Central Gulf Properties. In addition, workover expenses for
the six months ended June 30, 1997, were $2.9 million, as compared to $1.3
million for the six months ended June 30, 1996.
 
     Severance taxes. The effective severance tax rate as a percentage of oil
and gas revenues (excluding the effect of hedging activities) decreased to 4.1%
for the six months ended June 30, 1997, from 6.9% in the six months ended June
30, 1996. This decrease was primarily due to increased production from new wells
on
 
                                       23
<PAGE>   25
 
federal leases, including wells located on the Central Gulf Properties, and from
state leases which were exempt from state severance tax under Louisiana's
severance tax abatement program.
 
     General administrative expenses. General and administrative expenses per
BOE decreased to $1.21 per BOE for the six months ended June 30, 1997 from $1.44
per BOE in the comparable 1996 period. For the six months ended June 30, 1997,
general and administrative expenses were $8.6 million, as compared to $6.0
million in the comparable 1996 period. This increase is primarily due to costs
associated with increased corporate staffing associated with both an increase in
drilling activities and the Company's acquisition of the Central Gulf
Properties, an increase in franchise taxes due to the issuance of the 9 3/4%
Notes on September 26, 1996 and an increase in accrued bonuses in the 1997
period. These increases were partially offset in the 1997 period by an increase
in the capitalization of a portion of the salaries paid to employees directly
engaged in the acquisition, exploration and development of oil and gas
properties.
 
     Depreciation, depletion, and amortization expense. For the six months ended
June 30, 1997, depreciation, depletion and amortization ("DD&A") expense was
$51.6 million, as compared to $29.0 million in the comparable 1996 period. On a
BOE basis, DD&A for the six months ended June 30, 1997, was $7.26 per BOE, as
compared to $6.94 per BOE for the six months ended June 30, 1996. This variance
can primarily be attributed to (i) the Company's increased production and
related current and future capital costs from the 1996 and 1997 drilling
programs and (ii) the Company's purchase of the Central Gulf Properties,
partially offset by the increase to proved reserves resulting from such drilling
programs and acquisitions.
 
     Interest expense. For the six months ended June 30, 1997, interest expense
increased to $13.3 million from interest expense of $8.2 million in the
comparable 1996 period. This increase in interest expense can primarily be
attributed to interest expense of approximately $7.8 million in the six months
ended June 30, 1997, relating to the issuance of the 9 3/4% Notes, partially
offset by increases in the amount of interest capitalized in the 1997 period,
resulting from increases in the Company's unevaluated assets, including
additional seismic data and acreage.
 
     Income tax expense. For the six months ended June 30, 1997, the Company
recorded income tax expense of $8.6 million, as compared to $1.5 million in the
comparable 1996 period. Income tax expense for the six months ended June 30,
1997, was reduced by $0.7 million relating to a change in the Company's
estimated deferred tax liability.
 
     Net income. Due to the factors described above, net income increased to
$16.1 million for the six months ended June 30, 1997 from $2.3 million for the
comparable period in 1996.
 
                                       24
<PAGE>   26
 
RESULTS OF OPERATIONS FOR THE YEARS ENDED DECEMBER 31, 1995 AND 1996
 
     Revenues. The following table reflects an analysis of differences in the
Company's oil and gas revenues (expressed in thousands of dollars) between the
year ended December 31, 1996, and the comparable 1995 period:
 
<TABLE>
<CAPTION>
                                                              YEAR ENDED
                                                                 1996
                                                              COMPARED TO
                                                              YEAR ENDED
                                                                 1995
                                                              -----------
<S>                                                           <C>
Increase (decrease) in oil and gas revenues resulting from
  differences in:
  Crude oil and condensate --
     Price..................................................   $ 29,929
     Production.............................................     18,995
                                                               --------
                                                                 48,924
  Natural gas --
     Price..................................................     18,067
     Production.............................................     11,527
                                                               --------
                                                                 29,594
                                                               --------
  Plant processing and hedging, net.........................    (18,037)
                                                               --------
Increase in oil and gas revenues............................   $ 60,481
                                                               ========
</TABLE>
 
     The Company's total revenues increased approximately $60.5 million, or 47%,
to $188.5 million for the year ended December 31, 1996, from $128.0 million for
the comparable period in 1995. Production levels for the year ended December 31,
1996, increased 26% to 10,269 MBOE from 8,123 MBOE for the comparable period in
1995. The Company's average sales prices (excluding hedging activities) for oil
and natural gas for the year ended December 31, 1996 were $21.58 per Bbl and
$2.79 per Mcf versus $17.39 per Bbl and $1.82 per Mcf in the prior period.
Revenues increased by $30.5 million due to the aforementioned production
increases and by $48.0 million as a result of increased oil and gas prices. For
the year ended December 31, 1996, the Company recognized additional production
of 680 MBOE and related revenues of $14.8 million associated with the
acquisition of the Central Gulf Properties.
 
     For the year ended December 31, 1996, the Company's total revenues were
further affected by a $18.2 million decrease in hedging revenues. In order to
manage its exposure to price risks in the sale of its crude oil and natural gas,
the Company from time to time enters into price hedging arrangements. See
"-- Other Matters -- Energy Swap Agreements." The Company's average sales prices
(including hedging activities) for oil and natural gas for the year ended
December 31, 1996, were $19.70 per Bbl and $2.50 per Mcf versus $17.27 per Bbl
and $1.84 per Mcf in the prior period.
 
     Lease operating expenses. Lease operating expenses decreased to $3.52 per
BOE for the year ended December 31, 1996, from $3.70 per BOE in the comparable
1995 period. This decrease is primarily the result of increased production in
the Company's oil and gas fields, which have substantial fixed operating costs
due to the capital intensive nature of the facilities and the underutilization
of capacity. For the year ended December 31, 1996, total lease operating
expenses were $36.2 million, as compared to $30.0 million in the 1995 period.
This increase primarily results from fluctuations in normal operating expenses,
including operating expenses associated with increased production and an
increase of approximately $2.8 million relating to lease operating expenses of
the newly acquired Central Gulf Properties. In addition, workover expenses for
the year ended December 31, 1996, increased by $1.1 million to $2.5 million, as
compared to $1.4 million in the comparable 1995 period.
 
     Severance taxes. The effective severance tax rate as a percentage of oil
and gas revenues (excluding the effect of hedging activities) decreased to 5.3%
in the year ended December 31, 1996, from 7.8% in the comparable 1995 period.
The decrease was primarily due to increased production from new wells on federal
 
                                       25
<PAGE>   27
 
leases, including wells located on the Central Gulf Properties, and from state
leases which were exempt from state severance tax under Louisiana's severance
tax abatement program.
 
     General and administrative expenses. For the year ended December 31, 1996,
general and administrative expenses were $16.2 million as compared to $11.3
million in the comparable 1995 period. This increase is primarily due to costs
of increased corporate staffing associated with both an increase in drilling
activities and the Company's acquisition of the Central Gulf Properties,
partially offset in the 1996 period by an increase in the capitalization of a
portion of the salaries paid to employees directly engaged in the acquisition,
exploration and development of oil and gas properties. In addition, the Company
expensed $.9 million relating to costs associated with efforts to purchase an
oil and gas property outside of its United States cost center.
 
     Depreciation, depletion, and amortization expense. For the year ended
December 31, 1996, DD&A expense was $74.7 million as compared to $54.1 million
in the comparable 1995 period. On a BOE basis, DD&A for the year ended December
31, 1996, was $7.27 per BOE as compared to $6.66 per BOE for the year ended
December 31, 1995. This variance can primarily be attributed to the Company's
increased production and related current and future capital costs from the 1995
and 1996 drilling programs and the Company's purchase of the Central Gulf
Properties, partially offset by the increase to proved reserves resulting from
the programs and the acquisition.
 
     Interest expense. For the year ended December 31, 1996, interest expense
increased approximately $0.4 million to $18.0 million, from $17.6 million in the
comparable 1995 period. This increase is primarily a result of interest expense
of approximately $4.1 million related to the issuance of the 9 3/4% Notes in
September 1996. The increase was partially offset by the repayment of a portion
of the Company's debt with proceeds from the common stock offering in March 1996
and the issuance of the 9 3/4% Notes. The increase was also partially offset by
increases in the amount of interest capitalized in the 1996 period, as a result
of an increase in the Company's unevaluated assets, including additional acreage
and seismic data.
 
     Income tax expense (benefit). For the year ended December 31, 1996, the
Company recorded income tax expense of $12.0 million, as compared to a $4.7
million benefit in the comparable 1995 period during which the Company realized
a deferred tax asset.
 
     Net income. Due to the factors described above, net income for the year
ended December 31, 1996, increased to $21.0 million, an increase of $11.1
million or 112% from net income of $9.9 million for the comparable 1995 period.
 
                                       26
<PAGE>   28
 
RESULTS OF OPERATIONS FOR THE YEARS ENDED DECEMBER 31, 1994 AND 1995
 
     Revenues. The following table reflects an analysis of differences in the
Company's oil and gas revenues (expressed in thousands of dollars) between the
year ended December 31, 1995, and the comparable 1994 period:
 
<TABLE>
<CAPTION>
                                                              YEAR ENDED
                                                                 1995
                                                              COMPARED TO
                                                              YEAR ENDED
                                                                 1994
                                                              -----------
<S>                                                           <C>
Increase (decrease) in oil and gas revenues resulting from
  differences in:
  Crude oil and condensate --
     Price..................................................    $19,143
     Production.............................................     25,205
                                                                -------
                                                                 44,348
  Natural gas --
     Price..................................................        811
     Production.............................................      9,062
                                                                -------
                                                                  9,873
                                                                -------
  Plant processing and hedging, net.........................     (1,646)
                                                                -------
Increase in oil and gas revenues............................    $52,575
                                                                =======
</TABLE>
 
     For the year ended December 31, 1995, the Company's total revenues
increased approximately $52.6 million, or 70%, to $128.0 million from $75.4
million for the comparable period in 1994. Production levels for the year ended
December 31, 1995, increased 48% to 8,123 MBOE from 5,492 MBOE for the
comparable period in 1994. The Company's average sales prices (excluding hedging
activities) for oil and natural gas for the year ended December 31, 1995 were
$17.39 per Bbl and $1.82 per Mcf, respectively, versus $14.24 per Bbl and $1.76
per Mcf, respectively, in the comparable 1994 period. Oil and natural gas
volumes sold pursuant to production payment obligations represented
approximately 35% and 52% of total sales volumes, respectively, for the year
ended December 31, 1994. As a result of the repurchase of production payments on
December 7, 1994, the Company was able to sell all of its production at market
prices in 1995 as compared to previously selling a portion of its production
subject to production payments at implicit contractual prices per BOE
substantially below then current market prices.
 
     For the year ended December 31, 1995, the Company recognized additional
production of 950 MBOE and related revenues of $15.0 million associated with the
Minority Interest purchased December 7, 1994. Of the $15.0 million, $12.4
million was primarily related to production associated with the purchased
Minority Interest with the remaining $2.6 million primarily related to increased
oil prices for the 1995 period.
 
     For the year ended December 31, 1995, the Company's total revenues were
further affected by a $2.2 million decrease in hedging revenues. In order to
manage its exposure to price risks in the sale of its crude oil and natural gas,
the Company from time to time enters into price hedging arrangements. See
"-- Other Matters -- Energy Swap Agreements." The Company's average sales prices
(including hedging activities) for oil and natural gas for the year ended
December 31, 1995, were $17.27 per Bbl and $1.84 per Mcf versus $14.56 per Bbl
and $1.81 per Mcf in the prior period.
 
     Lease operating expenses. On a BOE basis, lease operating expenses
decreased 14% in the year ended December 31, 1995, to $3.70 per BOE from $4.29
per BOE in the comparable period of 1994. This decrease was primarily the result
of increased production at the Delta Area, which have substantial fixed
operating costs due to the capital intensive nature of the facilities and the
underutilization of capacity. Total lease operating expenses for the year ended
December 31, 1995 were $30.0 million, as compared to $23.6 million for the
comparable 1994 period. The increase was primarily related to the Company's
operating expenses associated with increased production, the purchase of the
Minority Interest in December 1994, an increase in painting and other preventive
maintenance type programs which the Company believed to be cost effective, and
 
                                       27
<PAGE>   29
 
increased workover costs in the 1995 period. Workover expenses increased to $1.4
million for the year ended December 31, 1995, as compared to $0.9 million for
the comparable 1994 period.
 
     Severance taxes. The effective severance tax rate as a percentage of
revenues decreased to 7.8% in the year ended December 31, 1995, from 8.9% in the
comparable period of 1994. This decrease was primarily due to increased
production from new wells on federal leases and from state leases which were
exempt from state severance tax under Louisiana's severance tax abatement
program.
 
     General and administrative expenses. General and administrative expenses
per BOE decreased 26% to $1.39 per BOE in the year ended December 31, 1995 from
$1.88 per BOE in the comparable period of 1994. In the year ended December 31,
1995, general and administrative expenses were $11.3 million, as compared to
$10.4 million in the comparable 1994 period. The increase in general and
administrative expenses was primarily due to increased corporate staffing, an
increase in director and officer insurance premiums, an increase in franchise
taxes and in incentive compensation. These increases were partially offset by
the nonrecurring $0.9 million release and indemnity expenses incurred by the
Company in the year ended December 31, 1994, a decrease in legal and other
professional fees during 1995 and an increase in the capitalization of the
salaries paid to employees directly engaged in the acquisition, exploration and
development of oil and gas properties during 1995.
 
     Depreciation, depletion, and amortization expense. For the year ended
December 31, 1995, DD&A per BOE remained relatively unchanged at $6.66 as
compared to $6.64 in the 1994 period. Total DD&A expense for the 1995 period was
$54.1 million, as compared to $36.5 million for the comparable 1994 period. This
variance was primarily related to the Company's increased production and related
capital costs from the 1994 and 1995 drilling programs, as well as the increase
in proved reserves. Also contributing to increased DD&A expense was the December
1994 acquisition of the Minority Interest.
 
     Interest expense. Interest expense for the year ended December 31, 1995 was
$17.6 million, an increase of approximately $13.1 million from $4.5 million for
the comparable 1994 period. This increase was due primarily to interest expense
relating to the Company's 13 1/2% Senior Notes due 2004 (the "13 1/2% Notes")
and the Revolving Credit Facility. This increase was partially offset by
interest that was capitalized during the year ended December 31, 1995, of $2.8
million, as compared to $0.1 million in the 1994 period.
 
     Income tax expense (benefit). The Company was originally formed as an S
corporation under the Internal Revenue Code and, as such, all income taxes were
the obligation of the Company's stockholders. In conjunction with the Company's
initial public offering, the Company converted to a C corporation under the
Internal Revenue Code. Due to a valuation allowance, the Company did not record
a tax benefit for the year ended December 31, 1994. During 1995, due to drilling
successes and increases in realized prices, the Company generated income from
operations. At December 31, 1995, management believed it was more likely than
not that the deferred tax asset would be realized. As a result, in 1995 the
Company reversed the valuation allowance and recognized a tax benefit of $4.7
million.
 
     Net income. Due to the factors described above, net income increased
approximately $32.1 million from a net loss of $22.2 million for the year ended
December 31, 1994 to net income of $9.9 million for the year ended December 31,
1995. For the year ended December 31, 1995, net income before the income tax
benefit was $5.2 million.
 
                                       28
<PAGE>   30
 
LIQUIDITY AND CAPITAL RESOURCES
 
     The following summary table reflects comparative cash flows for the Company
for the years ended December 31, 1994, 1995 and 1996, and the six months ended
June 30, 1996 and 1997:
 
<TABLE>
<CAPTION>
                                                                                SIX MONTHS ENDED
                                               YEAR ENDED DECEMBER 31,              JUNE 30,
                                           --------------------------------   --------------------
                                             1994        1995       1996        1996       1997
                                           ---------   --------   ---------   --------   ---------
                                                               (IN THOUSANDS)
<S>                                        <C>         <C>        <C>         <C>        <C>
Net cash provided by (used in) operating
  activities(1)..........................  $(115,485)  $ 58,880   $ 125,989   $ 21,176   $  83,558
Net cash used in investing activities....    (46,607)   (77,699)   (293,132)   (40,782)   (163,815)
Net cash provided by financing
  activities.............................    162,462     18,463     172,689     20,214      74,498
</TABLE>
 
- ---------------
 
(1) Cash flow from operating activities for the year ended December 31, 1994 was
    reduced by $123.6 million related to the repurchase of production payments.
 
     For the six months ended June 30, 1997, net cash provided by operating
activities increased by $62.4 million. This increase relates primarily to
increased revenues, partially offset by increases in lease operating expenses,
general and administrative expenses and interest expense. In addition, timing
differences on certain receivable and payable balances affect cash provided by
operating activities at any period end.
 
     Cash used in investing activities during the six months ended June 30,
1997, increased to $163.8 million as compared to $40.8 million in the comparable
1996 period. This increase is primarily a result of the Company's acquisition of
certain interests in various state leases in the Main Pass Block 69 field on
March 7, 1997, for a net purchase price of approximately $55.9 million (the
"Main Pass Acquisition"), as well as increased drilling activity and increased
seismic and leasehold purchases in the 1997 period, partially offset by the sale
of the Company's interest in the South Marsh Island 269 field which generated
cash of $33.5 million in the 1997 period.
 
     Financing activities during the six months ended June 30, 1997, generated
cash of $74.5 million, as compared to $20.2 million in the comparable 1996
period. The increase in cash during the 1997 period was primarily a result of a
$73.0 million increase in net borrowings on the Company's Revolving Credit
Facility. The cash generated in the comparable 1996 period was the result of the
issuance of 4.5 million shares of common stock at $14.75 per share on March 19,
1996, which yielded net proceeds to the Company of approximately $62.2 million,
partially offset by the (i) net payment of $29.2 million on the Company's
Revolving Credit Facility and (ii) the repayment of a $13.0 million note to
Shell Offshore, Inc. in the 1996 period.
 
                                       29
<PAGE>   31
 
     Capital requirements. The Company's capital investments to date have
focused primarily on exploration, acquisitions and development of proved
properties. The Company's expenditures for property acquisition, exploration and
development for the years ended December 31, 1994, 1995 and 1996 and the six
months ended June 30, 1996 and 1997 are as follows:
 
<TABLE>
<CAPTION>
                                                                            SIX MONTHS ENDED
                                            YEAR ENDED DECEMBER 31,             JUNE 30,
                                         ------------------------------    -------------------
                                          1994       1995        1996       1996        1997
                                         -------    -------    --------    -------    --------
                                                            (IN THOUSANDS)
<S>                                      <C>        <C>        <C>         <C>        <C>
Property acquisition costs of evaluated
  properties...........................  $25,442    $   624    $ 59,419    $    39    $ 50,657
Property acquisition costs of
  unevaluated properties...............   14,736      2,381      69,766      3,069      29,038
Reclass of properties held for
  resale...............................       --         --     (37,200)        --          --
Exploration costs (drilling and
  completion)..........................    8,467     12,153      31,767     16,029      28,843
Development costs (drilling and
  completion)..........................   21,634     42,443      81,616     31,113      65,955
Abandonment costs......................      727        236         352        154         344
Geological and geophysical costs.......    1,362      5,953      13,999      3,779      16,633
Capitalized interest and general and
  administrative costs.................      660      4,476       9,191      2,699       7,664
Other capital costs....................    1,449      5,386      22,395      7,889      17,736
                                         -------    -------    --------    -------    --------
                                         $74,477    $73,652    $251,305    $64,771    $216,870
                                         =======    =======    ========    =======    ========
</TABLE>
 
     A primary component of the Company's strategy is to continue its
exploration and development activities. The Company intends to finance capital
expenditures related to this strategy primarily with funds provided by
operations, borrowings under the Revolving Credit Facility, and a portion of the
proceeds of the Offering. During the six months ended June 30, 1997, the Company
spent $94.8 million on exploration and development drilling and $16.6 million on
3-D seismic surveys and other geological and geophysical costs. Included in
property acquisition costs in the six months ended June 30, 1997, is the $55.9
million net purchase price of the Main Pass Acquisition. Of the total net
purchase price for the Main Pass Acquisition, approximately $50.5 million was
allocated to evaluated properties and $5.4 million was allocated to unevaluated
properties. Included in other capital costs for the six months ended June 30,
1997, is $16.9 million, which relates primarily to capital costs incurred to
install and upgrade production facilities and flowlines. The Company is also a
party to two escrow agreements which provided for the future plugging and
abandonment costs associated with oil and gas properties. The first agreement,
related to East Bay, requires monthly deposits of $100,000 through June 30,
1998, and $350,000 thereafter until the balance in the escrow account equals $40
million, unless the Company commits to plug and abandonment of a certain number
of wells in which case the increase will be deferred. The second agreement,
related to Main Pass 69, required an initial deposit of $250,000 and monthly
deposits thereafter of $50,000 until the balance in the escrow account equals
$7,500,000. As of June 30, 1997, the escrow balances totaled $7.4 million.
 
     In addition to developing its existing reserves, the Company will continue
to attempt to increase its reserve base, production and operating cash flow by
engaging in strategic acquisitions of oil and gas properties. In order to
finance any such possible future acquisitions, the Company may seek to obtain
additional debt or equity financing. The availability and attractiveness of
these sources of financing will depend upon a number of factors, including the
financial condition and performance of the Company, as well as prevailing
interest rates, oil and gas prices and other market conditions. There can be no
assurance that the Company will acquire any additional producing properties. In
addition, the ability of the Company to incur additional indebtedness and grant
security interests with respect thereto will be subject to the terms of the
Indentures (as defined herein).
 
     The Company plans to spend approximately $281 million for 1997 drilling
activities and an additional $63 million for other direct capital expenditures
including lease acquisitions and seismic purchases. In addition, on March 7,
1997, the Company completed the Main Pass Acquisition for a net purchase price
of approximately $55.9 million, and on October 15, 1997 completed the South Pass
Alliance for a net purchase
 
                                       30
<PAGE>   32
 
price of approximately $60.8 million. The Company's other primary capital
requirements will be for the payment of interest on its 9 3/4% Notes and 8 7/8%
Notes, and interest on any borrowings the Company may incur under the Revolving
Credit Facility. The Company expects to fund its current debt service
obligations with operating cash flow.
 
     Liquidity. The ability of the Company to satisfy its obligations and fund
planned capital expenditures will be dependent upon its future performance,
which will be subject to prevailing economic conditions, including oil and gas
prices, and to financial and business conditions and other factors, many of
which are beyond its control, supplemented with existing cash balances and, if
necessary, borrowings under the Revolving Credit Facility. The Company expects
that its cash flow from operations, existing cash balances, proceeds from the
Offering and availability under the Revolving Credit Facility, if necessary,
will be adequate to execute the remainder of its 1997 and 1998 business plan.
However, no assurance can be given that the Company will not experience
liquidity problems from time to time in the future or on a long-term basis. If
the foregoing sources of capital are not sufficient to satisfy its cash
requirements, there can be no assurance that additional debt or equity financing
will be available to meet its requirements.
 
     The Revolving Credit Facility currently has a borrowing base of $200
million. The lenders may redetermine the borrowing base at their option once
within any 12-month period, as well as on scheduled redetermination dates as
outlined in the Revolving Credit Facility. The Revolving Credit Facility
terminates on October 31, 2001, unless the Company requests and is granted a
one-year deferral of such termination.
 
     Under the terms of the Revolving Credit Facility, the Company is required
to comply with certain financial tests which may reduce the $200 million
borrowing base. Currently, the Company does not believe that these financial
tests will reduce the borrowing base. As of October 15, 1997, the Company's
outstanding balance on its Revolving Credit Facility was $187 million, including
letters of credit of $2 million primarily associated with bonding for future
abandonment obligations. The Company had remaining availability of $13 million
under the Revolving Credit Facility as of October 15, 1997.
 
     Effects of leverage. The Company is highly leveraged with outstanding
long-term debt of approximately $357.2 million as of June 30, 1997. The
Company's level of indebtedness has several important effects on its future
operations, including (i) a substantial portion of the Company's cash flow from
operations must be dedicated to the payment of interest on its indebtedness and
will not be available for other purposes, (ii) the covenants contained in the
Indentures contain restrictions which may limit its ability to borrow additional
funds or to dispose of assets and may affect the Company's flexibility in
planning for, and reacting to, changes in its business, including possible
acquisition activities and (iii) the Company's ability to obtain additional
financing in the future for working capital, expenditures, acquisitions, general
corporate purposes or other purposes may be impaired.
 
     The Company is required to make semi-annual interest payments of $7.8
million on its 9 3/4% Notes each April 1 and October 1 through the year 2006 and
semi-annual interest payments of approximately $8.9 million on its 8 7/8% Notes
each January 15 and July 15 through the year 2007, commencing January 15, 1998.
In addition, the Company is required to make quarterly interest payments on the
Revolving Credit Facility based on outstanding borrowings for the quarterly
period. The Company may also, at its discretion, make principal payments on the
Revolving Credit Facility.
 
     Pursuant to the Indentures, the Company may not incur any Indebtedness
other than Permitted Indebtedness (as defined in the Indentures) unless the
Company's Consolidated Fixed Charge Coverage Ratio (as defined in the
Indentures) for the four full fiscal quarters preceding the proposed new
Indebtedness is greater than 2.5 to 1.0 after giving pro forma effect to the
proposed new Indebtedness, the application of the proceeds of such Indebtedness
and other significant transactions during the period.
 
     In accordance with the terms of the Indentures, if the Company disposes of
oil and gas assets, it must apply such proceeds to permanently pay down certain
indebtedness or within a specified time from the date of the asset sale,
purchase additional oil and gas assets. If proceeds not applied as indicated
above exceed $15 million ($20 million with respect to the 8 7/8% Notes), the
Company shall be required to offer to purchase outstanding 9 3/4% Notes and
8 7/8% Notes or other pari passu indebtedness in an amount equal to the
unapplied
 
                                       31
<PAGE>   33
 
proceeds. A similar provision exists with respect to the Company's 13 1/2%
Notes, of which only $245,000 in principal amount currently remains outstanding.
 
     The Company believes it is currently in compliance with all covenants
contained in the Indentures and has been in compliance since the issuance of the
9 3/4% Notes and the 8 7/8% Notes.
 
     The Company's ability to meet its debt service obligations and to reduce
its total indebtedness upon the Company's future performance, which will be
subject to oil and gas prices, general economic conditions and to financial,
business and other factors affecting the operations of the Company, many of
which are beyond its control. There can be no assurance that the Company's
future performance may not be adversely affected by such economic conditions and
financial, business and other factors.
 
OTHER MATTERS
 
     Energy swap agreements. The Company engages in futures contracts with
certain of its production through master swap agreements ("Swap Agreements").
The Company considers these futures contracts to be hedging activities and, as
such, monthly settlements on these contracts are reflected in oil and gas sales.
In order to consider these futures contracts as hedges, (i) the Company must
designate the futures contract as a hedge of future production and (ii) the
contract must reduce the Company's exposure to the risk of changes in prices.
Changes in the market value of futures contracts treated as hedges are not
recognized in income until the hedged item is also recognized in income. If the
above criteria are not met, the Company will record the market value of the
contract at the end of each month and recognize a related gain or loss. Proceeds
received or paid relating to terminated contracts or contracts that have been
sold are amortized over the original contract period and reflected in oil and
gas sales.
 
     The Swap Agreements provide for separate contracts tied to the NYMEX light
sweet crude oil and natural gas futures contracts. The Company has contracts
which contain specific contracted prices ("Swaps") that are settled monthly
based on the differences between the contract prices and the average NYMEX
prices for each month applied to the related contract volumes. To the extent the
average NYMEX price exceeds the contract price, the Company pays the spread, and
to the extent the contract price exceeds the average NYMEX price the Company
receives the spread. In addition, the Company has combined contracts which have
agreed upon price floors and ceilings ("Costless Collars"). To the extent the
average NYMEX price exceeds the contract ceiling, the Company pays the spread
between the ceiling and the average NYMEX price applied to the related contract
volumes. To the extent the contract floor exceeds the average NYMEX price, the
Company receives the spread between the contract floor and the average NYMEX
price applied to the related contract volumes. Under the terms of the Swap
Agreements, each counterparty has extended the Company a $5 million line of
credit for use in conjunction with its hedging activities. As of October 13,
1997, the Company's exposure under all contracts covered by the Swap Agreements
was approximately $5.5 million.
 
     As of June 30, 1997, after giving effect to the additional oil Swaps that
the Company entered into through October 14, 1997, the Company's open forward
position on its outstanding crude oil Swaps was as follows:
 
<TABLE>
<CAPTION>
                                                                       AVERAGE
                            YEAR                              MBBLS     PRICE
                            ----                              -----    -------
<S>                                                           <C>      <C>
1997........................................................  1,500    $19.89
1998........................................................  4,800    $19.80
1999........................................................   300     $18.55
2000........................................................   300     $18.55
                                                              -----    ------
                                                              6,900    $19.71
                                                              =====    ======
</TABLE>
 
     The Company currently has no outstanding natural gas Swaps.
 
                                       32
<PAGE>   34
 
     As of June 30, 1997, the Company's open forward position on its outstanding
Costless Collars was as follows:
 
<TABLE>
<CAPTION>
                                                           CONTRACTED   CONTRACTED   CONTRACTED
                                                            VOLUMES       FLOOR       CEILING
            YEAR                  FROM         THROUGH      (MBBLS)       PRICE        PRICE
            ----               -----------     -------     ----------   ----------   ----------
<S>                            <C>           <C>           <C>          <C>          <C>
1997.........................     July        September       900         $20.00       $24.40
</TABLE>
 
     On March 7, 1997, the Company entered into a basis swap for 9,000 barrels
of oil per month for the period April, 1997, through July, 1997, with a fixed
price of ($0.11) per barrel basis differential between the monthly calendar
average of Platt's Louisiana Light Sweet and Platt's West Texas Intermediate
crude oil prices.
 
     As a result of hedging activity under the Swap Agreement, on a BOE basis,
the Company estimates that approximately 26% of its estimated remaining 1997
production which is classified as proved reserves as of June 30, 1997, will not
be subject to price fluctuation for 1997.
 
     Currently, it is the Company's intention to commit no more than 50% of its
total annual production on a BOE basis to such arrangements. Moreover, under the
Revolving Credit Facility, the Company is prohibited from committing more than
80% of its production estimates for the next 24 months to such arrangements at
any point in time. As the current swap agreements expire, the portion of the
Company's oil and natural gas production which is subject to price fluctuations
will increase significantly, unless the Company enters into additional hedging
transactions.
 
     Despite the measures taken by the Company to attempt to control price risk,
the Company remains subject to price fluctuations for natural gas and oil sold
in the spot market. Prices received for natural gas sold on the spot market are
volatile due primarily to seasonality of demand and other factors beyond the
Company's control. Domestic oil prices generally follow worldwide oil prices
which are subject to price fluctuations resulting from changes in world supply
and demand. While the price the Company receives for its oil and natural gas
production has significant financial impact on the Company, no prediction can be
made as to what price the Company will receive for its oil and natural gas
production in the future.
 
     Gas balancing. It is customary in the industry for various working interest
partners to produce more or less than their entitlement share of natural gas
from time to time. The Company's net overproduced position on its properties
decreased from 2,059,954 Mcf at December 31, 1996, to 950,278 Mcf at June 30,
1997. This decrease is primarily the result of the Company's Main Pass
Acquisition. During the make-up period for the remaining imbalance, the
Company's gas revenues will be adversely affected. The Company recognizes
revenue and imbalance obligations under the sales method of accounting.
 
                                       33
<PAGE>   35
 
                                    BUSINESS
GENERAL
 
     The Company is an independent energy company engaged in the exploration,
development, acquisition and production of crude oil and natural gas. OEI has
one of the most active exploration and development programs in the Gulf of
Mexico, which is among the most prolific oil and gas producing regions in the
United States. The Company has increased its average daily production by 188% to
43,355 BOE for the three months ended June 30, 1997 from 15,047 BOE for the year
ended December 31, 1994. EBITDA (as defined herein) increased 108% to $90.3
million for the six months ended June 30, 1997 from $43.5 million for the same
period of 1996. As of June 30, 1997, the Company had estimated proved reserves
of approximately 61.8 MMBbls of oil and 181.1 Bcf of natural gas, or an
aggregate of approximately 91.9 MMBOE, an increase of 109% from 44.0 MMBOE at
June 30, 1996. Over 90% of the Company's existing proved reserves are
attributable to Company operated wells or leases, and approximately 79% of these
reserves were classified as proved developed at June 30, 1997. Further, the
Company has identified 665 reserve and production enhancement opportunities on
its existing properties.
 
     In order to reduce risk, the Company uses state-of-the-art seismic
evaluation technology in its exploration and development activities. The seismic
evaluation technology is integrated with subsurface data to improve the
Company's ability to properly define the structural and stratigraphic features
that potentially contain hydrocarbon accumulations. As of June 30, 1997, the
Company owned or licensed approximately 1,700 square miles of 3-D seismic data
and over 22,000 linear miles of 2-D seismic data on and around its core
properties. With the aid of seismic technology, the Company has achieved an 88%
success rate on 125 wells drilled in the Gulf of Mexico since its inception
(April 20, 1992).
 
     The Company's activities have historically been focused primarily in three
geographically distinct areas in the Gulf of Mexico region, consisting of the
Delta Area, the Central Gulf Area, and the Onshore Exploratory Area. Most
recently, the Company has become active in the Deepwater Gulf (water depth over
1,000 feet) areas of the Gulf of Mexico through both its joint venture with
Conoco and its high bid in a recent federal lease sale on six blocks in the
Keathley Canyon.
 
     The Company's largest area of focus is the Delta Area, which is located
primarily in federal and state waters offshore in the Mississippi River deltaic
region, consisting of interests in 8 fields and encompassing 122,549 gross
(109,270 net) acres. The Delta Area contains approximately 464 producing wells
and includes three of the top 20 fields in the Gulf of Mexico based on total
historical production. The Central Gulf Area, which contains approximately 60
producing wells, consists of interests in 10 oil and gas fields and related
production facilities primarily situated in the shallow federal waters of the
central Gulf of Mexico, offshore Louisiana. The Central Gulf Area encompasses
86,748 gross (59,910 net) acres. The Onshore Exploratory Area consists of
leasehold and seismic lease options totaling 62,143 gross (45,962 net) acres.
These 19 offshore fields, together with the Onshore Exploratory Area, provide
significant opportunities to enhance current production and ultimate reserve
recoveries through development and exploratory drilling, recompletions and
infill and horizontal drilling.
 
     As part of an increased emphasis on reserve additions through exploratory
drilling, the Company has begun to focus on the deepwater areas of the Gulf of
Mexico. Based on the magnitude of recent discoveries by other companies, the
Company believes that exploration in the Deepwater Gulf affords it the
opportunity to discover significantly larger potential reserves and to earn a
high rate of return, complementing its lower risk opportunities in the shallower
waters of the Gulf of Mexico. In February 1997, the Company entered the
Deepwater Venture with Conoco encompassing 155,520 gross (57,658 net) acres
located off the coast of Louisiana in water depths ranging from 2,500 to 7,500
feet. In addition, in a federal lease sale conducted in August 1997, the Company
was the high bidder on six blocks located in Keathley Canyon. If all of the
Company's Keathley Canyon bids are awarded, the Company's holdings in the
Deepwater Gulf will increase to 190,080 gross (92,218 net) acres. The Company
has sought and is likely to continue to seek experienced joint venture partners
to pursue opportunities in the Deepwater Gulf, in part to manage the investment
risk of drilling and completing these deepwater wells. The Company believes that
the Deepwater Gulf provides it
 
                                       34
<PAGE>   36
 
with substantial long term reserve and production growth opportunities in the
Company's Gulf of Mexico focus area.
 
     The Company plans to spend a total of approximately $460 million for
capital expenditures in 1997, including the South Pass Alliance. See "-- Recent
Developments." Of this amount, $281 million has been budgeted for drilling
expenditures, of which $107 million is for exploration drilling. The total
capital expenditure budget for 1998 is $325 million, including $154 million for
development drilling and $150 million for exploration drilling (of which $25
million is budgeted for the Deepwater Gulf).
 
RECENT DEVELOPMENTS
 
     On October 15, 1997 the Company and Shell, one of the most successful and
experienced exploration companies and a leader in technological advances in the
Gulf of Mexico, entered into the Delta Exploration Joint Venture. The agreement
establishes an AMI covering approximately 240 square miles in a coastal and
offshore section of the Delta Area. Under the terms of the agreement, OEI and
Shell have each contributed existing leasehold, project inventory and
proprietary 3-D seismic data within the AMI, and the properties will be operated
by OEI. The Company believes that this venture presents significant
opportunities arising from Shell's technical expertise and knowledge of the
area, the Company's own experience with exploration, exploitation and
development techniques on its neighboring Delta Area properties, and the
Company's existing infrastructure and capacity in the area. The Company expects
the venture to spud its initial exploratory well in 1998.
 
     In addition, the Company and Shell entered into the South Pass Alliance,
encompassing two fields in the South Pass area located in the Gulf of Mexico. As
part of the South Pass Alliance, the Company acquired from Shell, for a purchase
price of approximately $60.8 million, a 50% working interest in various
producing federal leases and related processing facilities in South Pass 61 and
65 fields and became the operator of the properties. Strategically situated near
the Company's holdings in the Delta Area, the South Pass Properties include
interests in approximately 95 producing wells located on approximately 26,250
gross acres. Current estimated production from the newly acquired interests is
approximately 3,500 BOE per day net to the Company. The Company believes that
the South Pass Properties have substantial similarities with its existing Delta
Area properties, including a significant proven reserve base with large
exploitation and exploration potential resulting from the Company's utilization
of recently acquired 3-D seismic data. The Company intends to utilize its
experience in operating and successfully exploiting its existing Delta Area
properties to maximize the profitability of the South Pass Properties.
 
STRENGTHS
 
     The Company believes it has unique strengths that position it to continue
as a successful independent operator in the Gulf of Mexico and coastal onshore
Louisiana, including the following:
 
     Expertise in the Gulf of Mexico. Management believes the Company's existing
asset base and incentivized personnel provide it with competitive advantages for
operating in the Gulf of Mexico. The Company continues to develop its high
quality team of geoscientists and engineers, currently numbering 57, each of
whom has substantial experience in this region largely through tenure at major
oil companies. The Company has also assembled a team of experienced field
personnel, most with over 15 years of service in the Company's core areas.
Management has extensive experience and good working relationships with federal,
state and local regulatory agencies in this region. The Company augments its
technical expertise through its strategic relationships, such as the Deepwater
Venture with Conoco.
 
     Quality of existing operations. The Company's Delta Area and Central Gulf
Area fields were originally developed by major oil companies prior to their
acquisition by the Company, and are among the most productive fields in the Gulf
of Mexico based on total historical production. These fields have extensive
production histories and contain significant reserve and production enhancement
opportunities as evidenced by the Company's current inventory of 665 projects.
Production from these fields has been predominantly from depths shallower than
12,000 feet. While cumulative historical production from these horizons has
exceeded
 
                                       35
<PAGE>   37
 
1.78 billion BOE, the Company believes that potential exists for additional
reserves to be found at these horizons, as well as deeper horizons. As of June
30, 1997, the Company's properties collectively comprised 452,499 gross acres of
leases and seismic options (109,804 of which are held by production).
 
     Extensive technological database. The Company owns or licenses
approximately 1,700 square miles of 3-D seismic data and over 22,000 linear
miles of 2-D seismic data in and around its core properties. OEI uses
state-of-the-art seismic evaluation technology in its exploration and
development activities in order to reduce risks and lower costs. The seismic
evaluation technology is integrated with subsurface data from over 12,000 wells
to improve the Company's ability to properly define the structural and
stratigraphic features which potentially contain accumulations of hydrocarbons.
The Company's geoscientists and engineers integrate and evaluate this expansive
well and seismic data base. Management believes the availability of 3-D seismic
coverage for the Gulf of Mexico at reasonable costs enhances the potential for
returns on exploration and development activities.
 
     Efficient operator. The Company is the operator of over 90% of its wells,
allowing it to control expenses, capital allocation and the timing of
development and exploitation of its fields. Since 1992, the Company has
decreased lease operating expenses by 35%, from $5.45 per BOE for the period
from inception (April 20, 1992) through December 31, 1992 to $3.55 per BOE for
the twelve months ended June 30, 1997. From 1989 to 1991, prior to the Company's
ownership, lease operating expenses for the Delta Area properties ranged from
$6.59 to $11.33 per BOE.
 
     Expandable base of operations. The Company has additional production
capacity available at its facilities located in the Delta Area and the Central
Gulf Area, which can provide a foundation for further acquisition, exploitation
and exploration in the Gulf of Mexico to achieve additional production at low
incremental costs. The Company also believes that its operating and
administrative personnel and systems can efficiently manage the addition of
producing properties and related operations through geographic concentration,
technical expertise and economies of scale based on existing infrastructure and
the maintenance of low overhead costs. The Company expects that it will be able
to realize such benefits in connection with the South Pass Alliance, the Delta
Exploration Joint Venture and the Deepwater Venture.
 
BUSINESS STRATEGY
 
     The Company's strategy is to increase shareholder value by increasing its
reserve base and by continuing to decrease unit costs. The Company intends to
grow its oil and gas reserves by capitalizing on its strengths through the
exploitation of its existing properties, the exploration for new oil and gas
reserves on its existing properties and elsewhere and the acquisition of
additional properties with exploitation and exploration potential. The Company
intends to decrease unit costs by operating its properties more efficiently and
by increasing production. The Company is implementing this strategy by:
 
     Expanding exploration program. The Company is expanding its exploration
program in the Gulf of Mexico which is designed to provide exposure to selected
higher risk, higher potential rate of return prospects. This expansion consists
of increasing exploration in the Delta Area and the Central Gulf Area, where the
Company has historically been active, as well as entering new areas where the
Company believes its experience and relationships create significant
opportunities, such as the Onshore Exploratory Area, the Delta Exploration Joint
Venture and the Deepwater Gulf. The Company currently intends to divide its
drilling budget equally between exploratory and development drilling. The
Company's exploratory drilling expenditures were $32 million in 1996, and are
expected to increase to approximately $107 million in 1997. In order to reduce
exploration risk, the Company will apply state-of-the-art technology to identify
prospects, select well locations with multiple pay objectives where possible and
may sell a portion of a prospect to an industry partner while preferably
remaining as operator.
 
     Continuing development and exploitation of existing properties. The Company
is actively pursuing the development of its existing properties to fully exploit
its reserves through recompletions, horizontal and development drilling,
waterfloods and 3-D seismic enhanced exploitation drilling. OEI uses advanced
technology in its exploitation and exploration activities in order to reduce
risks and lower costs. Further, the Company seeks to drill wells with multiple
pay objectives, allowing it to reduce the risk of exploring deeper
 
                                       36
<PAGE>   38
 
prospects by attempting to exploit shallow reservoirs in the same well.
Primarily as a result of its development and exploitation drilling success, the
Company has increased its average daily production by 188% to 43,355 BOE for the
three months ended June 30, 1997 from 15,047 BOE for the year ended December 31,
1994. The Company currently has an inventory of over 485 development and
exploitation projects on its existing properties. In light of these projects,
the Company plans approximately $174 million of development and exploitation
drilling capital expenditures in 1997, up from approximately $82 million in
1996.
 
     Pursuing joint ventures and strategic acquisitions. The Company is
continually evaluating opportunities to acquire or enter into joint ventures
involving producing and exploratory properties which may possess, among others,
one or more of the following characteristics: (i) close proximity to the
Company's existing operations, (ii) potential opportunities to increase reserves
through exploratory drilling and additional recovery or enhancement techniques
or (iii) potential opportunities to reduce expenses through more efficient
operations. Among other opportunities, this strategy has resulted in the
formation of significant strategic relationships with major oil companies,
including the Deepwater Venture, the South Pass Alliance and the Delta
Exploration Joint Venture. While the Company focuses primarily on joint ventures
and acquisitions involving producing and exploratory properties with large
acreage positions, it evaluates a broad range of potential transactions. Company
personnel have substantial training, experience, and an in-depth knowledge of
the Gulf of Mexico's offshore and onshore areas, as well as established
relationships with a number of major and large independent energy companies
operating in this region. These factors, in combination with the utilization of
state-of-the-art geological and engineering technology, assist in identifying
properties that meet the Company's acquisition and joint venture objectives.
 
SUMMARY PROJECT INVENTORY FOR EXISTING PROPERTIES
 
     Consistent with the drilling strategies discussed above, set forth below is
a summary of the Company's current inventory of reserve and production
enhancement projects on its existing properties. While the Company presently
intends to complete these projects, the number, type and timing of the proposed
projects are subject to continued revision as a result of many factors,
including the availability of capital to fund such projects, initial test
results, the price of oil and gas, weather and other general and economic
conditions. The Company currently has budgeted approximately $281.2 million for
1997 and $303.7 million for 1998 to apply towards a portion of the following
projects on its existing properties.
 
<TABLE>
<CAPTION>
                                                                   BUDGETED
                                                                 EXPENDITURES
                                                  NUMBER OF    ----------------
                 TYPE OF PROJECT                  PROJECTS      1997      1998
                 ---------------                  ---------    ------    ------
<S>                                               <C>          <C>       <C>
Exploration Drilling.............................    181       $107.3    $150.0
Recompletion/Workovers...........................    221         18.4      14.0
Waterfloods......................................      6          5.4       3.6
Development Drilling.............................    182         30.9      36.9
Horizontal Drilling..............................      4          8.0       1.9
"Develocat" Drilling.............................     71         62.1      64.2
Facility Costs...................................    N/A         49.1      33.1
                                                     ---       ------    ------
          Total..................................    665       $281.2    $303.7
                                                     ===       ======    ======
</TABLE>
 
     The following opportunities are representative of the type of exploration
projects the Company is currently pursuing:
 
     The Main Course Prospect is designed to test an upthrown three-way closure
located in the northern portion of the Eugene Island 51 Field, in the heart of
the producing geopressured Cib Carst trend. These prospective geopressured Cib
Carst sands are correlative to subtle amplitude anomalies on the upthrown side
of a down-to-the-north fault, and are high to, but fault separated from, a
nearby well which encountered pay in the prospective area. The proposed total
depth for the prospect is 14,900 feet.
 
     The Midnight 2 Prospect, located near the mouth of Southwest Pass in the
South Pass 41 Field area, will test the stratigraphic section through the U Sand
to a depth of 12,600 feet. The project is analogous to the
 
                                       37
<PAGE>   39
 
Midnight 1 discovery drilled in 1996, which tested at approximately 21 MMcf per
day and is still producing high gas volumes. Midnight 2 compares favorably with
the discovery in that the key target P6 and U Sands are both delineated by
structurally conforming amplitude anomalies. Several additional wells will be
needed to fully develop the area if successful. The project has been developed
behind a recent statics-corrected 3-D data set.
 
     The Upseis Prospect, located in the southern portion of the South Pass 24
Field, is a deeper pool exploratory well that will test a large upthrown
closure. The targeted fault trap has field pays from 7,000 feet to 11,000 feet
but no wells to date have tested the deeper sections. The Company's proprietary
3-D seismic indicates structurally controlled amplitude support in the objective
sand section. The Upseis Prospect has a proposed total depth of 19,500 feet.
 
     The Whale Prospect, located in the South Pass 24 area of the Company's East
Bay complex, is a deeper pool exploratory project which will test a large
three-way closure. The fault closure has trapped over 36 MMBbls of oil and 38
Bcf of gas in 9 shallower pay sands, but has not been crestally tested in the
deeper potential pay horizons. Recent 3-D seismic indicates a large area of
amplitude anomaly, indicating the probable presence of deep sands. The proposed
total depth of the initial test well is 18,500 feet.
 
PROPERTIES
 
     The information regarding the Company's properties in the following
discussion is as of December 31, 1996, except that the information with respect
to the Deepwater Gulf is as of September 30, 1997. The discussion excludes
information with respect to the South Pass Alliance and the Delta Exploration
Joint Venture.
 
  Mississippi River Delta Area
 
     The Company's Delta Area is comprised of six Company operated
fields -- South Pass 1, South Pass 24, South Pass 27, South Pass 39, Main Pass
69 and Main Pass 138, as well as two non-operated fields -- South Pass 41 and
Main Pass 140. The Delta Area encompasses approximately 75,458 gross leased
acres in state and federal waters situated near the mouth of the Mississippi
River in the Gulf of Mexico. In addition, the Company has interests in
approximately 19,230 gross leased acres in the Chandeleur Sound, Breton Sound
and Main Pass 71/75 areas, where there are currently no productive wells.
 
     At the core of the Delta Area is the East Bay complex. The East Bay complex
is a major oil production facility with daily production capacity for 70 MBbls
of oil, 240 MMcf of gas and 240 MBbls of water. Within the East Bay complex, the
South Pass 24 field, discovered in 1950, has production established from 64
horizons and 268 reservoirs with cumulative production through December 31,
1996, of 321,869 MBbls of oil and 401,924 MMcf of gas. The adjacent South Pass
27 field, discovered in 1954, has production established from 84 horizons and
445 reservoirs with cumulative production through December 31, 1996, of 334,559
MBbls of oil and 798,056 MMcf of gas.
 
     The Company owns an average 96% working interest in these fields, and for
the six months ended December 31, 1996, the Company averaged daily net sales of
20.3 MBbls of oil and 56.1 MMcf of gas from 478 gross productive wells in the
Delta Area.
 
  Central Gulf Area
 
     The Company's Central Gulf Area is comprised of nine Company operated
fields -- Eugene Island 45, Eugene Island 100, Eugene Island 126, Eugene Island
128, Ship Shoal 47, Ship Shoal 64, South Marsh Island 243, Vermilion 215 and
Vermilion 273, as well as one non-operated field -- Vermilion 76. The Central
Gulf Area consists of approximately 76,000 gross leased acres in federal waters
situated in the shallow federal waters of the Central Gulf of Mexico, offshore
Louisiana.
 
     The Company owns an average 45% working interest in these fields, and for
the six months ended December 31, 1996, the Company averaged daily net sales of
4.0 MBbls of oil and 17.4 MMcf of gas from 76 productive wells in the Central
Gulf Area.
 
                                       38
<PAGE>   40
 
     Effective January 3, 1997, the Company sold its interest in the South Marsh
Island 269 field for $37.2 million. The South Marsh Island 269 field consisted
of 27 productive wells located on approximately 11,450 gross leased acres and
had average daily sales net to the Company for the six months ended December 31,
1996 of 0.8 MBbls of oil and 7.4 MMcf of gas. The Company owned an average 20%
working interest in this field.
 
  Onshore Louisiana
 
     During 1996, the Company extended its operations to include several coastal
onshore exploration projects in the Onshore Exploration Area and believes this
region has been underexplored due to its complex geology and lack of 3-D seismic
data. Advances in 3D seismic acquisition techniques over the past few years have
led the Company to purchase seismic and lease options to conduct 3D seismic
surveys and explore for oil and gas on 26,945 acres in eastern Cameron Parish,
Louisiana on its Mallard Bay prospect area ("Mallard Bay"). The Company has
completed the acquisition of a 70 square mile proprietary 3D seismic survey on
Mallard Bay along with its 50% working interest partners, and plans to commence
drilling operations in 1997. Separately, the Company acquired in 1996 seismic
and lease options covering 14,060 acres in its Lacassine Refuge prospect area
("Lacassine") located approximately 6 miles northwest of Mallard Bay, where it
also expects to begin drilling in 1997.
 
  Deepwater Gulf
 
     As a result of the Company's increased emphasis on reserve additions
through exploratory drilling, the Company has begun to focus on the Deepwater
Gulf. In February 1997, the Company entered the Deepwater Venture with Conoco,
which encompasses 155,520 gross (57,658 net) acres offshore of Louisiana. In
addition, in a federal lease sale conducted in August 1997, the Company was the
high bidder on 6 tracts located in the Keathley Canyon area of the Deepwater
Gulf. If all of the Company's Keathley Canyon bids are awarded, the Company's
holdings in the Deepwater Gulf would increase to 190,080 gross (92,218 net)
acres. The Company believes that the Deepwater Gulf provides it with substantial
reserve and production growth opportunities in the Company's Gulf of Mexico
focus area.
 
                                       39
<PAGE>   41
 
OIL AND NATURAL GAS RESERVES
 
     Presented below are the estimated quantities of proved developed and proved
undeveloped reserves of crude oil and natural gas and the Present Value of
Future Net Revenues (before income taxes) owned by the Company as of June 30,
1997. Information set forth in the following table is based upon reserve reports
of the Company, prepared in accordance with the rules and regulations of the
Commission. In accordance with such rules and regulations, the pre-tax estimated
Future Net Revenues, the pre-tax Present Value of Future Net Revenues and the
after-tax Present Value of Future Net Revenues as prepared by the Company was
increased by approximately $2.3 million, $2.3 million and $1.7 million,
respectively, representing the effect of hedging transactions entered into as of
June 30, 1997.
 
<TABLE>
<CAPTION>
                                                          PROVED RESERVES AT JUNE 30, 1997
                                                 --------------------------------------------------
                                                 DEVELOPED     DEVELOPED
                                                 PRODUCING   NON-PRODUCING   UNDEVELOPED    TOTAL
                                                 ---------   -------------   -----------   --------
                                                               (DOLLARS IN THOUSANDS)
<S>                                              <C>         <C>             <C>           <C>
Net Proved Reserves:
  Oil (MBbls)..................................    33,004        15,757         12,990       61,751
  Gas (MMcf)...................................    79,754        63,838         37,478      181,070
  MBOE.........................................    46,296        26,397         19,236       91,929
Estimated Future Net Revenues (Before Income
  Taxes).......................................  $293,851      $187,887       $193,139     $674,877
Present Value of Future Net Revenues (Before
  Income Taxes; Discounted at 10%).............  $280,564      $130,729       $141,281     $552,574
Standardized Measure of Discounted Future Net
  Cash Flows(1)................................                                            $451,340
</TABLE>
 
- ---------------
 
(1) The Standardized Measure of Discounted Future Net Cash Flows prepared by the
    Company represents the Present Value of Future Net Revenues after income
    taxes discounted at 10%.
 
     Presented below are the estimated quantities of proved developed and proved
undeveloped reserves of crude oil and natural gas, the Estimated Future Net
Revenues (before income taxes), the Present Value of Future Net Revenues (before
income taxes) and the Standardized Measure of Discounted Future Net Cash Flows
for the Company as of December 31, 1996. Information set forth in the following
table is based upon reserve reports prepared by Netherland Sewell, independent
petroleum engineers, in accordance with the rules and regulations of the
Commission. The Company includes as proven reserves future gas production
estimated by Netherland Sewell to be used in the form of fuel gas in its oil and
gas fields. In accordance with such rules and regulations, the pre-tax estimated
future net revenues, the pre-tax present value of future net revenues and the
after-tax present value of future net revenues as prepared by the Company was
decreased by approximately $20.5 million, $18.6 million and $12.4 million,
respectively, representing the effect of hedging transactions entered into as of
December 31, 1996.
 
<TABLE>
<CAPTION>
                                                        PROVED RESERVES AT DECEMBER 31, 1996
                                                 --------------------------------------------------
                                                 DEVELOPED     DEVELOPED
                                                 PRODUCING   NON-PRODUCING   UNDEVELOPED    TOTAL
                                                 ---------   -------------   -----------   --------
                                                               (DOLLARS IN THOUSANDS)
<S>                                              <C>         <C>             <C>           <C>
Net Proved Reserves:
  Oil (MBbls)..................................    27,029        11,318         12,429       50,776
  Gas (MMcf)...................................    56,836        52,738         35,784      145,358
  MBOE.........................................    36,490        20,120         18,393       75,003
Estimated Future Net Revenues (Before Income
  Taxes).......................................  $306,470      $285,671       $289,633     $881,774
Present Value of Future Net Revenues (Before
  Income Taxes; Discounted at 10%).............  $295,668      $188,764       $209,083     $693,515
Standardized Measure of Discounted Future Net
  Cash Flows(1)................................                                            $532,492
</TABLE>
 
                                       40
<PAGE>   42
 
- ---------------
 
(1) The Standardized Measure of Discounted Future Net Cash Flows prepared by the
    Company represents the Present Value of Future Net Revenues after income
    taxes discounted at 10%.
 
     There are numerous uncertainties inherent in estimating quantities of
proved reserves and in projecting future rates of production and timing of
development expenditures, including many factors beyond the control of the
Company. Reserve engineering is a subjective process of estimating underground
accumulations of crude oil and natural gas that cannot be measured in an exact
manner, and the accuracy of any reserve estimate is a function of the quality of
available data and of engineering and geological interpretation and judgment.
The quantities of oil and natural gas that are ultimately recovered, production
and operating costs, the amount and timing of future development expenditures
and future oil and natural gas sales prices may all differ from those assumed in
these estimates. Therefore, the Present Value of Future Net Revenues figures
shown above should not be construed as the current market value of the estimated
oil and natural gas reserves attributable to the Company's properties. The
information set forth in the foregoing tables includes revisions of certain
volumetric reserve estimates attributable to proved properties included in the
preceding year's estimates. Such revisions are the result of additional
information from subsequent completions and production history from the
properties involved or the result of a decrease (or increase) in the projected
economic life of such properties resulting from changes in product prices.
 
     In accordance with the Commission's guidelines, the engineers' estimates of
future net revenues from the Company's properties and the Present Value of
Future Net Revenues thereof are made using oil and natural gas sales prices in
effect as of the dates of such estimates and are held constant throughout the
life of the properties except where such guidelines permit alternate treatment,
including the use of fixed and determinable contractual price escalations. The
prices as of June 30, 1997 and December 31, 1996 for production from the
Company's properties were $18.58 and $25.52 per Bbl of crude oil and $2.24 and
$4.17 per Mcf of natural gas. The foregoing prices exclude the effect of net
price hedging positions. Prices for natural gas and, to a lesser extent, oil are
subject to substantial seasonal fluctuations and prices for each are subject to
substantial fluctuations as a result of numerous other factors. See
"Management's Discussion and Analysis of Financial Condition and Results of
Operations" and "Oil and Gas Marketing and Major Customers."
 
PRODUCTIVE WELLS AND ACREAGE
 
  Productive Wells
 
     The following table sets forth the Company's existing productive wells as
of December 31, 1996:
 
<TABLE>
<CAPTION>
                                                              GROSS    NET
                                                              -----    ---
<S>                                                           <C>      <C>
Oil.........................................................   481     458
Gas.........................................................    78      61
                                                               ---     ---
          Total Productive Wells............................   559     519
                                                               ===     ===
</TABLE>
 
     Productive wells consist of producing wells and wells capable of
production, including gas wells awaiting pipeline connections. Wells that are
completed in more than one producing horizon are counted as one well. Of the
gross wells reported above, 49 had multiple completions.
 
                                       41
<PAGE>   43
 
  Acreage Data
 
     Undeveloped acreage includes leased acres on which wells have not been
drilled or completed to a point that would permit the production of commercial
quantities of oil and gas, regardless of whether or not such acreage contains
proved reserves. A gross acre is an acre in which an interest is owned a net
acre is deemed to exist when the sum of fractional ownership interests in gross
acres equals one. The number of net acres is the sum of the fractional interests
owned in gross acres expressed as whole numbers and fractions thereof. The
following table sets forth the approximate developed and undeveloped acreage in
which the Company held a leasehold mineral or other interest at December 31,
1996.
 
<TABLE>
<CAPTION>
                                                    DEVELOPED ACRES    UNDEVELOPED ACRES
                                                    ----------------   -----------------
                                                     GROSS     NET      GROSS      NET
                                                    -------   ------   -------   -------
<S>                                                 <C>       <C>      <C>       <C>
Federal waters....................................   92,203   53,758     4,994     4,994
State waters and onshore..........................   44,282   38,747    55,861    45,125
                                                    -------   ------    ------    ------
          Total...................................  136,485   92,505    60,855    50,119
                                                    =======   ======    ======    ======
</TABLE>
 
     In January 1997, the Company exercised lease options in Cameron Parish,
Louisiana, which increased gross undeveloped acreage by 12,695 acres and net
undeveloped acreage by 6,348 acres. In addition, the Company currently holds
options covering approximately 28,893 gross acres (21,254 net) in Cameron
Parish, Louisiana, and 16,727 gross and net acres in Plaquemines Parish,
Louisiana, which allow the Company to conduct 3-D seismic operations on such
acreage and to subsequently acquire oil and gas leases.
 
DRILLING ACTIVITIES
 
     Drilling activities are subject to many risks, including the risk that no
commercially productive reservoirs will be encountered. There can be no
assurance that new wells drilled by the Company will be productive or that the
Company will recover all or any portion of its investment. Drilling for oil and
natural gas may involve unprofitable efforts, not only from dry wells, but from
wells that are productive but do not produce sufficient net revenues to return a
profit after drilling, operating, and other costs. The cost of drilling,
completing and operating wells is often uncertain. The Company's drilling
operations may be curtailed, delayed or canceled as a result of numerous
factors, many of which are beyond the Company's control, including title
problems, weather conditions, compliance with governmental requirements and
shortages or delays in the delivery of equipment and services.
 
     Through its participation in the Deepwater Venture and its bids for
Keathley Canyon, the Company has acquired a significant property interest in the
Deepwater Gulf, which may be expanded in the future. Exploration, development
and production operations in the Deepwater Gulf involve significant capital
outlays and substantially different skills and techniques than the Company's
other operations, and there can be no assurance that the Company will achieve
results similar to those previously achieved on its existing properties.
Although the Company hopes to benefit from Conoco's expertise in the Deepwater
Venture, there can be no assurance that such benefits will be realized or that,
if realized, they can be successfully applied to the Company's activities in
other areas of the Deepwater Gulf.
 
                                       42
<PAGE>   44
 
     The following table sets forth the drilling activity of the Company on its
properties for the period ended December 31, 1994, 1995 and 1996.
 
<TABLE>
<CAPTION>
                                                        YEAR ENDED DECEMBER 31,
                                               ------------------------------------------
                                                   1994           1995           1996
                                               ------------   ------------   ------------
                                               GROSS   NET    GROSS   NET    GROSS   NET
                                               -----   ----   -----   ----   -----   ----
<S>                                            <C>     <C>    <C>     <C>    <C>     <C>
Exploratory Wells:
  Productive.................................    1       .9     1      1.0     6      5.5
  Nonproductive..............................    1       .9     3      2.0     6      4.6
Development Wells:
  Productive.................................   10      8.8    17     17.0    24     23.7
  Nonproductive..............................    1       .4     0      0.0     1      1.0
                                                --     ----    --     ----    --     ----
          Total..............................   13     11.0    21     20.0    37     34.8
                                                ==     ====    ==     ====    ==     ====
</TABLE>
 
NET PRODUCTION, UNIT PRICES AND COSTS
 
     The following table presents certain information with respect to oil and
gas production and lease operating expenses attributable to all oil and gas
property interests owned by the Company for the years ended December 31, 1994,
1995 and 1996.
 
<TABLE>
<CAPTION>
                                                           1994      1995      1996
                                                          -------   -------   -------
<S>                                                       <C>       <C>       <C>
Production:
  Oil (MBbls)...........................................    4,286     6,057     7,149
  Gas (MMcf)............................................    7,234    12,393    18,720
  MBOE..................................................    5,492     8,123    10,269
Average Sales Prices (1):
  Oil (per Bbl).........................................  $ 14.24   $ 17.39   $ 21.58
  Gas (per Mcf).........................................  $  1.76   $  1.82   $  2.79
  Per BOE...............................................  $ 13.42   $ 15.75   $ 20.10
Average Lease Operating Expenses
  (per BOE).............................................  $  4.29   $  3.70   $  3.52
</TABLE>
 
- ---------------
 
(1) Excludes results of hedging activities. Including the effect of hedging
    activities, the Company's average oil price per Bbl received was $14.56,
    $17.27 and $19.70 in the years ended December 31, 1994, 1995 and 1996,
    respectively, and the average gas price per Mcf received was $1.81, $1.84
    and $2.50 in the years ended December 31, 1994, 1995 and 1996, respectively.
 
OIL AND GAS MARKETING AND MAJOR CUSTOMERS
 
     The revenues generated by the Company's operations are highly dependent
upon the prices of, and demand for, oil and natural gas. The price received by
the Company for its oil and natural gas production depends on numerous factors
beyond the Company's control, including seasonality, the condition of the United
States economy, particularly the manufacturing sector, foreign imports,
political conditions in other oil-producing and natural gas-producing countries,
the actions of the Organization of Petroleum Exporting Countries and domestic
government regulation, legislation and policies. Decreases in the prices of oil
and natural gas could have an adverse effect on the carrying value of the
Company's proved reserves and the Company's revenues, profitability and cash
flow. Although the Company is not currently experiencing any significant
involuntary curtailment of its oil or natural gas production, market, economic
and regulatory factors may in the future materially affect the Company's ability
to sell its oil or natural gas production. See "Management's Discussion and
Analysis of Financial Condition and Results of Operations."
 
     The Company has a long term contract to sell all crude oil volumes produced
from its East Bay fields to Shell at a price based on the highest monthly posted
price of a number of principal purchasers of crude oil in
 
                                       43
<PAGE>   45
 
the South Louisiana area. The contract expires in June 2003. The Company markets
its remaining crude oil and natural gas production pursuant to short-term
contracts.
 
     Sales to Shell Oil Company, Murphy Oil USA, Inc. and Enron Capital & Trade
Resources Corp. accounted for 54%, 11% and 17%, respectively, of the Company's
oil and gas revenues for the year ended December 31, 1996.
 
     Due to the availability of other markets and pipeline connections, the
Company does not believe that the loss of any single crude oil or natural gas
customer would adversely affect the Company's results of operations.
 
COMPETITION
 
     The oil and gas industry is highly competitive in all of its phases. The
Company encounters competition from other oil and gas companies in all areas of
its operations, including the acquisition of producing properties. The Company's
competitors include major integrated oil and natural gas companies and numerous
independent oil and natural gas companies, individuals and drilling and income
programs. Many of its competitors are large, well established companies with
substantially larger operating staffs and greater capital resources than the
Company's and which, in many instances, have been engaged in the energy business
for a much longer time than the Company. Such companies may be able to pay more
for productive oil and natural gas properties and exploratory prospects and to
define, evaluate, bid for and purchase a greater number of properties and
prospects than the Company's financial or human resources permit. The Company's
ability to acquire additional properties and to discover reserves in the future
will be dependent upon its ability to evaluate and select suitable properties
and to consummate transactions in a highly competitive environment.
 
     Capital available for investment in the oil and natural gas industry may
decline significantly as a result of decreases in product prices, future changes
in federal income tax laws and adverse economic conditions generally affecting
the industry and the country as a whole.
 
OPERATING HAZARDS AND UNINSURED RISKS
 
     The Company's operations are subject to hazards and risks inherent in
drilling for and production and transportation of oil and natural gas, such as
fires, natural disasters, explosions, encountering formations with abnormal
pressures, blowouts, cratering, pipeline ruptures, and spills, any of which can
result in loss of hydrocarbons, environmental pollution, personal injury claims,
and other damage to properties of the Company and others. Additionally, the
Company's oil and gas operations are located in an area that is subject to
tropical weather disturbances, some of which can be severe enough to cause
substantial damage to facilities and possibly interrupt production. As
protection against operating hazards, the Company maintains insurance coverage
against some, but not all, potential losses. The Company's coverages include,
but are not limited to, operator's extra expense, physical damage on certain
assets, employer's liability, comprehensive general liability, automobile,
workers' compensation and loss of production income insurance. The Company
believes that its insurance is adequate and customary for companies of a similar
size engaged in operations similar to those of the Company, but losses could
occur for uninsurable or uninsured risks or in amounts in excess of existing
insurance coverage. The occurrence of an event that is not fully covered by
insurance could have an adverse impact on the Company's financial condition and
results of operations.
 
EMPLOYEES
 
     As of October 1, 1997, the Company had 367 full-time employees, none of
whom is represented by any labor union. Included in the total were 160 corporate
employees located in the Company's Baton Rouge, Lafayette and New Orleans,
Louisiana offices, as well as 207 employees who work in the Company's operating
areas. The Company considers its relations with its employees to be good.
 
OTHER FACILITIES
 
     The Company currently leases approximately 8,600 square feet of office
space in Baton Rouge, Louisiana, where its administrative offices are located,
and approximately 81,000 square feet of office space in Lafayette,
 
                                       44
<PAGE>   46
 
Louisiana and approximately 1,800 square feet of office space in New Orleans,
Louisiana, where the Company's technical personnel are collectively located. The
Company also leases dock and warehouse space in Venice, Louisiana and Morgan
City, Louisiana.
 
TITLE TO PROPERTIES
 
     The Company believes it has satisfactory title to all of its producing
properties in accordance with standards generally accepted in the oil and gas
industry. The Company's properties are subject to customary royalty interests,
liens incident to operating agreements, liens for current taxes and other
burdens which the Company believes do not materially interfere with the use of
or affect the value of such properties. The Company's Revolving Credit Facility
is secured by substantially all of the Company's oil and gas properties. The MMS
and Louisiana State Mineral Board must approve all transfers of record title or
operating rights on its respective leases. The MMS and Louisiana State Mineral
Board approval process can in some cases delay the requested transfer for a
significant period of time.
 
GOVERNMENTAL REGULATION
 
     The Company's oil and gas exploration, production and related operations
are subject to extensive rules and regulations promulgated by Federal and state
agencies. Failure to comply with such rules and regulations can result in
substantial penalties. The regulatory burden on the oil and gas industry
increases the Company's cost of doing business and affects its profitability.
Because such rules and regulations are frequently amended or reinterpreted, the
Company is unable to predict the future cost or impact of complying with such
laws.
 
     The State of Louisiana and many other states require permits for drilling
operations, drilling bonds, and reports concerning operations and impose other
requirements relating to the exploration and production of oil and gas. Such
states also have statutes or regulations addressing conservation matters,
including provisions for the unitization or pooling of oil and gas properties,
the establishment of maximum rates of production from wells, and the regulation
of spacing, plugging, and abandonment of such wells.
 
     Historically, the transportation and sale for resale of natural gas in
interstate commerce have been regulated pursuant to the Natural Gas Act of 1938,
the Natural Gas Policy Act of 1978 (the "NGPA"), and the regulations promulgated
thereunder by the Federal Energy Regulatory Commission (the "FERC"). In the
past, the federal government has regulated the wellhead price of natural gas.
Deregulation of wellhead sales in the natural gas industry began with the
enactment of the NGPA. In 1989, the Natural Gas Wellhead Decontrol Act was
enacted, which amended the NGPA to remove wellhead price controls on all
domestic natural gas as of January 1, 1993. While sales by producers of natural
gas, and all sales of crude oil, condensate and natural gas liquids, can
currently be made at uncontrolled market prices, Congress could reenact price
controls in the future.
 
     Several major regulatory changes have been implemented by the FERC from
1985 to the present that have had a major impact on natural gas pipeline
operations, services and rates and thus have significantly altered the marketing
and price of natural gas. Commencing in April 1992, the FERC issued Order Nos.
636, 636-A and 636-B (collectively, "Order No. 636"), which, among other things,
require each interstate pipeline company to "restructure" to provide
transportation separate or "unbundled" from the sale of gas and to make
available on an open and nondiscriminatory basis numerous constituent services
(such as gathering services, storage services, firm and interruptible
transportation services, and stand-by sales and gas balancing services) and to
adopt a new ratemaking methodology to determine appropriate rates for those
services. To the extent the pipeline company or its sales affiliate makes gas
sales as a merchant in the future, it does so in direct competition with all
other sellers pursuant to private contracts; however, pipeline companies and
their affiliates were not required to remain "merchants" of gas and several of
the interstate pipeline companies have become "transporters" only. Following the
conclusion of individual restructuring proceedings for each interstate pipeline
pursuant to Order No. 636, the FERC has approved, with modifications, all of the
restructuring plans and generally accepted compliance filings implementing Order
No. 636 on every interstate pipeline as of the end of 1994.
 
                                       45
<PAGE>   47
 
     On July 16, 1996, the Court of Appeals for the District of Columbia Circuit
("D.C. Circuit") issued its opinion on review of Order No. 636. The opinion
upheld most elements of Order No. 636 including the unbundling of sales and
transportation services, curtailment of pipeline capacity, implementation of the
capacity release program and the mandatory imposition of straight-fixed-variable
("SFV") rate design for interstate pipeline companies. The D.C. Circuit did
remand certain aspects of Order No. 636 to the FERC for further explanation
including, inter alia, the FERC's decision to exempt pipelines from sharing in
gas supply realignment ("GSR") costs caused by restructuring; FERC's selection
of a twenty-year term matching cap for the right-of-first-refusal mechanism; the
FERC's restriction on the entitlement of no-notice transportation service to
only those customers receiving bundled sales service at the time of
restructuring; and FERC's determination that pipelines should focus on
individual customers, rather than customer classes, in mitigating the effects of
SFV rate design. On February 27, 1997, the FERC issued its order on remand. The
order reaffirmed the holding of Order No. 636 that pipelines should be entitled
to recover 100 percent of their prudently incurred GSR costs. Moreover, since
Order No. 636, few, if any, pipeline customers have been willing, or required,
to commit to twenty-year contracts for existing capacity. Thus, FERC reduced the
contract matching cap for the right-of-first-refusal mechanism to five years. In
light of the varied post-restructuring experience with no-notice service, the
FERC also decided to no longer limit a pipeline's no-notice service to its
bundled sales customers at the time of restructuring. Finally, the FERC
reaffirmed that pipelines should focus on individual customers, rather that
customer classes, in mitigating the effects of SFV rate design. Appeals of
individual pipeline restructuring orders are still pending before the D.C.
Circuit.
 
     On May 31, 1995, the FERC issued a policy statement on how interstate
natural gas pipelines can recover the costs of new pipeline facilities. The
policy statement focused on whether projects would be priced on a rolled-in
basis (rolling in the expansion costs with the existing facilities) or on an
incremental basis (establishing separate cost-of services and separate rates for
the existing and expansion facilities). The policy statement established a
presumption in favor of rolled-in rates when the rate increase to existing
customers from rolling in the new facilities is 5% or less. While this policy
statement affects the Company only indirectly, the new policy should enhance
competition in natural gas markets and facilitate construction of gas supply
laterals. In the policy statement, the FERC contemplated that the resolution of
pricing methodology would take place in individual proceedings based on the
facts and circumstances of the project. The Company cannot predict what action
the FERC will take in the individual proceedings.
 
     In October of 1992 Congress passed the Energy Policy Act of 1992 ("Energy
Policy Act"). The Energy Policy Act deemed petroleum pipeline rates in effect
for the 365-day period ending on the date of enactment of the Energy Policy Act
or that were in effect on the 365th day preceding enactment and had not been
subject to complaint, protest or investigation during the 365-day period to be
just and reasonable under the Interstate Commerce Act. The Energy Policy Act
also provides that complaints against such rates may only be filed under the
following limited circumstances: (i) a substantial change has occurred since
enactment in either the economic circumstances or the nature of the services
which were a basis for the rate; (ii) the complainant was contractually barred
from challenging the rate prior to enactment; or (iii) the rate is unduly
discriminatory or preferential. The Energy Policy Act further required FERC to
issue rules establishing a simplified and generally applicable ratemaking
methodology for petroleum pipelines, and to streamline procedures in petroleum
pipeline proceedings. On October 22, 1993, the FERC responded to the Energy
Policy Act directive by issuing Order No. 561, which adopts a new indexing rate
methodology for petroleum pipelines. Under the new regulations, which were
effective January 1, 1995, petroleum pipelines are able to change their rates
within prescribed ceiling levels that are tied to the Producer Price Index for
Finished Goods, minus one percent. Rate increases made pursuant to the index
will be subject to protest, but such protests must show that the portion of the
rate increase resulting from application of the index is substantially in excess
of the pipeline's increase in costs. The new indexing methodology can be applied
to any existing rate, even if the rate is under investigation. If such rate is
subsequently adjusted, the ceiling level established under the index must be
likewise adjusted.
 
     In Order No. 561, FERC said that as a general rule pipelines must utilize
the indexing methodology to change their rates. FERC indicated, however, that it
was retaining cost-of-service ratemaking, market-based rates, and settlement as
alternatives to the indexing approach. A cost-of-service proceeding will be
instituted
 
                                       46
<PAGE>   48
 
to determine just and reasonable initial rates for new services. In addition, a
pipeline can also follow a cost-of-service approach when seeking to increase its
rates above index levels for uncontrollable circumstances. A pipeline can seek
to charge market-based rates if it can establish that it lacks market power.
Finally, a pipeline can establish rates pursuant to settlement if agreed upon by
all current shippers.
 
     On May 10, 1996, the D.C. Circuit affirmed Order No. 561. The Court held
that by establishing a general indexing methodology along with limited
exceptions to indexed rates, FERC had reasonably balanced its dual
responsibilities of ensuring just and reasonable rates and streamlining
ratemaking through generally applicable procedures. Because of the novelty and
uncertainty surrounding the indexing methodology, as well as the possibility of
the use of cost-of service ratemaking and market-based rates, the Company is not
able at this time to predict the effects of Order No. 561, if any, on the
transportation costs associated with oil production from the Company's oil
producing operations.
 
     Under the Outer Continental Shelf Lands Act ("OCSLA"), the FERC also
regulates certain activities on the Outer Continental Shelf (the "OCS"). Under
OCSLA, all gathering and transporting of oil and natural gas on the OCS must be
performed on an "open and non-discriminatory" basis. Consequently, the Company's
gathering and transportation facilities located on the OCS must be made
available to third parties. In addition, the MMS imposes regulations relating to
development and production of oil and gas properties in federal waters. Under
certain circumstances, the MMS may require any Company operations on federal
leases to be suspended or terminated. Any such suspensions or terminations could
materially and adversely affect the Company's financial condition and
operations.
 
     Certain of the Company's businesses are subject to regulation by the
Federal Natural Gas Pipeline Safety Act of 1968 and other state and Federal
environmental statutes and regulations.
 
     The Oil Pollution Act of 1990 (the "OPA") imposes a variety of regulations
on "responsible parties" related to the prevention of oil spills and liability
for damages resulting from such spills in United States waters. A "responsible
party" includes the owner or operator of an onshore facility, vessel or
pipeline, or the lessee or permittee of an area in which an offshore facility is
located. The OPA assigns liability to each responsible party for oil removal
costs and a variety of public and private damages. While liability limits apply
in some circumstances, a party cannot take advantage of liability limits if the
spill was caused by gross negligence or willful misconduct or resulted from
violation of a federal safety, construction or operating regulation. If the
party fails to report a spill or to cooperate fully in its cleanup, liability
limits likewise do not apply. Few defenses exist to the liability imposed by the
OPA.
 
     The OPA also imposes ongoing requirements on a responsible party, including
proof of financial responsibility to cover at least some costs in a potential
spill. For tank vessels, including mobile offshore drilling rigs, the OPA
imposes on owners, operators and charterers of the vessels, an obligation to
maintain evidence of financial responsibility of up to $10 million depending on
gross tonnage. With respect to offshore facilities, proof of greater levels of
financial responsibility may be applicable. For offshore facilities that have a
worst case oil spill potential of more than 1,000 barrels (which includes many
of the Company's offshore producing facilities), certain amendments to the OPA
that were enacted in 1996 provide that the amount of financial responsibility
that must be demonstrated by most facilities range from $10 million in specified
state waters to $35 million in federal OCS waters, with higher amounts, up to
$150 million in certain limited circumstances where the MMS believes such a
level is justified by the risks posed by the quantity or quality of oil that is
handled by the facility. On March 25, 1997, the MMS promulgated a proposed rule
implementing these OPA financial responsibility requirements. Under the proposed
rule, the amount of financial responsibility required for a facility would
depend on the "worst case" oil spill discharge volume calculated for the
facility. For oil and gas producers such as the Company operating offshore
facilities in OCS waters, worst case discharge volumes of up to 35,000 barrels
will require a financial responsibility demonstration of $35.0 million, while
worst case discharge volumes in excess of 35,000 barrels will require
demonstrations ranging from $70.0 million to $150.0 million.
 
     The Company believes that it currently has established adequate proof of
financial responsibility for its offshore facilities at no significant increase
in expense over recent prior years. However, the Company cannot predict whether
these financial responsibility requirements under the OPA amendments or proposed
rule will
 
                                       47
<PAGE>   49
 
result in the imposition of substantial additional annual costs to the Company
in the future or otherwise materially adversely effect the Company. The impact,
however, should not be any more adverse to the Company than it will be to other
similarly situated or less capitalized owners or operators in the Gulf of
Mexico. OPA also imposes other requirements on facility operators, such as the
preparation of an oil spill contingency plan. The Company has such plans in
place. The failure to comply with ongoing requirements or inadequate cooperation
in a spill event may subject a responsible party to civil or even criminal
liability.
 
ENVIRONMENTAL MATTERS
 
     The Company's operations and properties are subject to extensive and
changing federal, state and local laws and regulations relating to environmental
protection, including the generation, storage, handling, emission,
transportation and discharge of materials into the environment, and relating to
safety and health. The recent trend in environmental legislation and regulation
is generally toward stricter standards, and this trend will likely continue.
These laws and regulations may require the acquisition of a permit or other
authorization before construction or drilling commences and for certain other
activities; limit or prohibit construction, drilling and other activities on
certain lands lying within wilderness or wetlands and other protected areas; and
impose substantial liabilities for pollution resulting from the Company's
operations. The permits required for various of the Company's operations are
subject to revocation, modification and renewal by issuing authorities. The
Company believes that its operations currently are in substantial compliance
with applicable environmental regulations.
 
     Governmental authorities have the power to enforce compliance with their
regulations, and violations are subject to fines, injunction, or both. The
Company does not expect environmental compliance matters to have a material
adverse effect on its financial position. It is also not anticipated that the
Company will be required in the near future to expend amounts that are material
to the financial condition or operations of the Company by reason of
environmental laws and regulations, but because such laws and regulations are
frequently changed, and may impose increasingly stricter requirements, the
Company is unable to predict the ultimate cost of complying with such laws and
regulations.
 
     The following are examples of environmental, safety and health laws that
relate to the Company's operations:
 
     Solid Waste. The Company's operations may generate and result in the
transportation, treatment, and disposal of both hazardous and nonhazardous solid
wastes that are subject to the requirements of the federal Resource Conservation
and Recovery Act and comparable state and local requirements. The Environmental
Protection Agency ("EPA") is currently considering the adoption of stricter
disposal standards for nonhazardous waste. Further, it is possible that some
wastes that are currently classified as nonhazardous, perhaps including wastes
generated during pipeline, drilling and production operations, may in the future
be designated as "hazardous wastes," which are subject to more rigorous and
costly disposal requirements. Such changes in the regulations may result in
additional expenditures or operating expenses by the Company.
 
     Hazardous Substances. The Comprehensive Environmental Response,
Compensation and Liability Act ("CERCLA") and comparable state statutes, also
known as "Superfund" laws, impose liability, without regard to fault or the
legality of the original conduct, on certain classes of persons for the release
of a "hazardous substance" into the environment. These persons include the owner
or operator of a site, and companies that transport, dispose of or arrange for
the disposal of the hazardous substances found at the site. CERCLA also
authorizes the EPA, and in some cases, third parties to take actions in response
to releases or threats of releases of hazardous substances and to seek to
recover from the classes of responsible persons the costs they incur. Although
"petroleum" is excluded from CERCLA's definition of a "hazardous substance," in
the course of its ordinary operations the Company may generate other materials
which may fall within the definition of a "hazardous substance." The Company may
be responsible under CERCLA for all or part of the costs required to clean up
sites at which such wastes have been disposed and for natural resource damages.
The Company has not received any notification that it may be potentially
responsible for cleanup costs under CERCLA or any comparable state law.
 
                                       48
<PAGE>   50
 
     Air. The Company's operations are subject to the Clean Air Act ("CAA") and
comparable state and local requirements. Amendments to the CAA were adopted in
1990 and contain provisions that may result in the gradual imposition of certain
pollution control requirements with respect to air emissions from the operations
of the Company. The EPA has been developing regulations to implement these
requirements. The Company may be required to incur certain capital expenditures
in the next several years for air pollution control equipment in connection with
maintaining or obtaining operating permits and approvals addressing other air
emission-related issues. However, the Company does not believe its operations
will be materially adversely affected by any such requirements.
 
     Water. The Federal Water Pollution Control Act ("FWPCA") imposes
restrictions and strict controls regarding the discharge of produced waters and
other oil and gas wastes into navigable waters. Such discharges are typically
authorized by National Pollutant Discharge Elimination System ("NPDES") permits.
The FWPCA provides for civil, criminal and administrative penalties for any
unauthorized discharges of oil or other pollutants and, along with the Oil
Pollution Act of 1990, imposes substantial potential liability for the costs of
removal, remediation and damages. State laws for the control of water pollution
also provide varying civil, criminal and administrative penalties and
liabilities in the case of a discharge of petroleum or its derivatives into
state waters. In addition, the Coastal Zone Management Act authorizes state
implementation and development of programs of management measures for non-point
source pollution to restore and protect coastal waters. As of January 1, 1997,
the Company's federal NPDES permits prohibit the discharge of produced water,
and other substances generated by the oil and gas industry from wells located in
the coastal waters of Louisiana. The Louisiana Department of Environmental
Quality ("LDEQ"), as administrator of the NPDES permits in Louisiana, issued on
December 30, 1996, and reissued on February 28, 1997, an emergency rule to allow
continued discharge of produced waters in the coastal area, subject to a zero
discharge requirement by no later than December 31, 1999 for produced water
being currently discharged into major deltaic passes of the Mississippi River.
On February 24, 1997, LDEQ issued to the Company a compliance order allowing it
to temporarily discharge produced water into Southwest Pass a major deltaic pass
of the Mississippi River. The Company has submitted to LDEQ a compliance plan
for achievement of zero discharge of produced water at its East Bay Central
Facilities by no later than December 31, 1999. Simultaneously, the Company plans
to reformat a portion of its East Bay facilities to allow for discharge of
produced water in the offshore areas, to the extent allowed by its NPDES
permits. Although the costs to reformat Company operations to comply with these
zero discharge mandates under federal or state law may be significant, the
Company believes that these costs will not have a material adverse impact on the
Company's financial conditions and operations.
 
     Protected Species. The Endangered Species Act ("ESA") seeks to ensure that
activities do not jeopardize endangered or threatened animal, fish and plant
species, nor destroy or modify the critical habitat of such species. Under the
ESA, exploration and production operations, as well as actions by federal
agencies, may not significantly impair or jeopardize the species or its habitat.
The ESA provides for criminal penalties for willful violations of the ESA. Other
statutes which provide protection to animal and plant species and which may
apply to the Company's operations include, but are not necessarily limited to,
the Marine Mammal Protection Act, the Marine Protection, Research and
Sanctuaries Act, the Fish and Wildlife Coordination Act, the Fishery
Conservation and Management Act, the Migratory Bird Treaty Act and the National
Historic Preservation Act.
 
     Wetlands. Pursuant to the FWPCA, the United States Corps of Engineers, with
oversight by the EPA, administers a complex program that regulates activities in
wetland areas. Some of the Company's operations are in areas that have been
designated as wetlands and, as such, are subject to permitting requirements.
Failure to properly obtain a permit or violation of permit terms could result in
the issuance of compliance orders, restorative injunctions and a host of civil,
criminal and administrative penalties. The Company believes that it is currently
in substantial compliance with these permitting requirements.
 
     Wildlife Refuges/Bird Sanctuaries. Portions of the Company's properties are
located in or adjacent to federal and state wildlife refuges and bird
sanctuaries. The Company's operations in such areas must comply with regulations
governing air and water discharge which are more stringent than its other areas
of operations.
 
                                       49
<PAGE>   51
 
The Company has not been, and does not anticipate that it will be, materially
affected by any such requirements.
 
     Safety and Health. The Company's operations are subject to the requirements
of the federal Occupational Safety and Health Act ("OSHA") and comparable state
statutes. The OSHA hazard communication standard, the EPA
community-right-to-know regulations under Title III of the Federal Superfund
Amendment and Reauthorization Act, and similar state statutes require that
certain information be organized and maintained about hazardous materials used
or produced in operations. Certain of this information must be provided to
employees, state and local government authorities and citizens.
 
     The Company incurred approximately $620,000, $694,000 and $975,000 relating
to environmental compliance during 1994, 1995 and 1996, respectively.
 
ABANDONMENT COSTS
 
     The Company is responsible for payment of abandonment costs on the oil and
gas properties it operates. As of December 31, 1996, total abandonment costs on
the Company's oil and gas properties estimated to be incurred through the year
2011 were approximately $84.0 million. Estimates of abandonment costs and their
timing may change due to many factors including actual production results,
inflation rates, and changes in environmental laws and regulations.
 
     In connection with its acquisition of certain properties in the Delta Area,
the Company entered into two escrow agreements to provide for the future
plugging and abandonment costs of these properties. One agreement requires the
Company to make monthly deposits of $100,000 through June 30, 1998, and $350,000
thereafter until the balance in the escrow account equals $40 million unless the
Company commits to the plug and abandonment of a certain number of wells, in
which case the increase will be deferred. The other agreement requires monthly
deposits of $50,000 until the balance in the escrow account equals $7.5 million.
Such funds are restricted as to withdrawal by the agreement. With respect to any
specifically planned plugging and abandonment operation, funds are partially
released to the Company when it presents to the escrow agent the planned
plugging and abandonment operations approved by the applicable governmental
agency, with the balance to be released upon the presentation by the Company to
the trustee of evidence from the governmental agency that the operation was
conducted in compliance with applicable laws and regulations. As of December 31,
1996, the escrow balances totaled $6.3 million.
 
     In addition, the MMS requires lessees of OCS properties to post bonds to
cover the costs of the plugging and abandonment of wells located offshore and
the removal of all production facilities. Operators in the OCS waters of the
Gulf of Mexico are currently required to post area wide bonds of $3 million or
$500,000 per producing lease and supplemental bonds at the discretion of the
MMS. The Company has posted with the MMS an area wide bond of $3.0 million and
supplemental bonds totaling $39.8 million. The Company does not anticipate that
the cost of any such bonding requirements will materially affect the Company's
financial position. Under certain circumstances, the MMS may require any Company
operations on federal leases to be suspended or terminated. Any such suspensions
or terminations could have a material adverse effect on the Company's financial
condition and operations.
 
LEGAL PROCEEDINGS
 
     The Company is not a party to any material pending legal proceedings, other
than ordinary routine litigation incidental to its business that management
believes would not have a material adverse effect on its financial condition or
results of operations.
 
                                       50
<PAGE>   52
 
                                   MANAGEMENT
 
DIRECTORS AND EXECUTIVE OFFICERS
 
     The following table sets forth certain information concerning the executive
officers of the Company:
 
<TABLE>
<CAPTION>
                   NAME                     AGE                    POSITION
                   ----                     ---                    --------
<S>                                         <C>   <C>
James C. Flores...........................  38    Chairman of the Board of Directors,
                                                  President & Chief Executive Officer
Richard G. Zepernick, Jr. ................  36    Executive Vice President -- Exploration &
                                                  Production and Director
Robert L. Belk............................  48    Executive Vice President, Chief Financial
                                                  Officer, Treasurer & Director
Thomas D. Clark, Jr.......................  56    Director
Charles F. Mitchell, M.D..................  48    Director
William W. Rucks, IV......................  40    Director
Milton J. Womack..........................  70    Director
Robert K. Reeves..........................  39    Executive Vice
                                                  President -- Administration, General
                                                  Counsel & Secretary
David J. Morgan...........................  49    Executive Vice President -- Geology
Michael O. Aldridge.......................  38    Vice President -- Corporate Communications
William S. Flores, Jr.....................  40    Vice President -- Operations
Doss R. Bourgeois.........................  40    Vice President -- Production
Clint P. Credeur..........................  41    Vice President -- Reservoir Engineering
Stephen T. Laperouse......................  41    Vice President -- Land and Business
                                                  Development
Stephen H. Green..........................  41    Vice President -- Exploration Geology
James H. Painter..........................  40    Vice President -- Exploitation Geology
Frank D. Willoughby.......................  32    Vice President -- Controller
John V. Flores............................  31    Vice President & Assistant General Counsel
</TABLE>
 
     The following biographies describe the business experience of the executive
officers of the Company.
 
     James C. Flores has served as Chairman of the Board of the Company since
its inception in 1992 and as Chief Executive Officer since July 1995. Mr. Flores
became President of the Company in 1997. From 1985 to 1992, Mr. Flores served as
Vice President of FloRuxco, Inc., an oil and gas exploration company.
 
     Richard G. Zepernick, Jr. has been with the Company since its inception,
presently serving as Executive Vice President -- Exploration & Production. Mr.
Zepernick became a director of the Company in September 1994. From May 1993
until June 1997, Mr. Zepernick served as Executive Vice President and Chief
Operating Officer. From June 1992 until May 1993, Mr. Zepernick served as Senior
Vice President and Secretary of Flores & Rucks, Inc. From 1985 to 1992, Mr.
Zepernick served as General Manager of FloRuxco, Inc.
 
     Robert L. Belk presently serves as Executive Vice President, Chief
Financial Officer & Treasurer. From May 1993 until June 1997, Mr. Belk served as
Senior Vice President, Chief Financial Officer and Treasurer of the Company. Mr.
Belk became a director of the Company in September 1994. Prior to joining the
Company, Mr. Belk worked in public accounting for H.J. Lowe & Company from 1988
to 1993. Mr. Belk is a Certified Public Accountant.
 
     Thomas D. Clark, Jr. is the Dean of the College of Business Administration
at Louisiana State University in Baton Rouge, Louisiana. Prior to his current
position at Louisiana State University, Mr. Clark was employed with the Florida
State University in Tallahassee where he held a variety of positions including
Professor and Chairman of the Department of Information and Management Services
and Director of the Center for Information Systems Research.
 
                                       51
<PAGE>   53
 
     Charles F. Mitchell, M.D. is a otolaryngologist and plastic surgeon who has
operated a private practice in Baton Rouge, Louisiana since 1978. He is also a
Clinical Assistant Professor at the Louisiana State University Medical School in
New Orleans and Clinical Instructor at the University Medical Center in
Lafayette, Louisiana. Dr. Mitchell became a director of the Company in January
1995.
 
     William W. Rucks, IV has served as a Director of the Company since its
inception. Mr. Rucks is a private venture capital investor. He served as
President and Vice Chairman of the Board of Directors from July 1995 until
September 1996 and as President, Chief Executive Officer and a Director of the
Company from its inception in 1992 until July 1995. From 1985 to 1992, Mr. Rucks
served as President of FloRuxco, Inc. Prior thereto, Mr. Rucks worked as a
petroleum landman with Union Oil Company of California in its Southwest
Louisiana District, serving as Area Land Manager from 1981 to 1984.
 
     Milton J. Womack has owned and operated a general contracting firm in Baton
Rouge, Louisiana since 1955. Mr. Womack is Chairman of the Board of Union
Planters Bank of Louisiana, serves as a member of the Louisiana State University
Board of Supervisors and is a director of Union Planters Corporation. Mr. Womack
became a director of the Company in January 1995.
 
     Robert K. Reeves presently serves as Executive Vice
President -- Administration, General Counsel & Secretary of the Company. From
May 1994 until June 1997, Mr. Reeves served as the Company's Senior Vice
President, General Counsel & Secretary. From November 1993 to May 1994, Mr.
Reeves served as the Company's Vice President & General Counsel. Prior to
joining the Company in 1993, he was a partner in the law firm of Onebane,
Bernard, Torian, Diaz, McNamara & Abell in Lafayette, Louisiana.
 
     David J. Morgan presently serves as Executive Vice President -- Geology.
Mr. Morgan joined the Company in 1993 as Vice President Geology and served as a
Senior Vice President from December 1995 until June 1997. Mr. Morgan has 27
years of experience in the oil and gas industry. From 1983 to 1993, Mr. Morgan
served as a geologist for and President of Morgan Resources, LTD., an oil and
gas exploration company.
 
     Michael O. Aldridge joined the Company in 1992 as Vice President and
Controller, and became Vice President -- Corporate Communications in September
1996. From 1991 until 1992, he was Vice President and Chief Financial Officer of
Fleet Petroleum Partners. Mr. Aldridge is a Certified Public Accountant.
 
     William S. Flores, Jr. joined the Company in 1993 as its Vice
President -- Operations. Mr. Flores worked from 1988 to 1993 at CNG Producing
Co. where he served as a Senior Operations Engineer.
 
     Doss R. Bourgeois has served as Vice President -- Production of the Company
since August 1993. From 1982 to 1993 Mr. Bourgeois worked for CNG Producing Co.
until he joined the Company. His positions at CNG Producing Co. included
Production Engineer, Manager Offshore Production, Supervisor Drilling
Engineering, and finally Workovers & Completion/Workover Superintendent.
 
     Clint P. Credeur has served the Company as Vice President -- Reservoir
Engineering since 1993. Mr. Credeur served as a Reservoir Engineer and Special
Projects Engineer with Chevron U.S.A. from November 1987 to December 1992.
 
     Stephen T. Laperouse presently serves as Vice President -- Land & Business
Development. Mr. Laperouse joined the Company in 1995 as Land Manager. From 1980
until 1995, Mr. Laperouse worked as a landman for Conoco Inc.
 
     Stephen H. Green presently serves as Vice President -- Exploration Geology.
Mr. Green joined the Company in 1995 as Manager of Exploration Geology. From
1988 until 1995, Mr. Green was employed as a geologist with Newfield
Exploration. From 1980 until 1988, Mr. Green was employed as a geologist with
Tenneco Exploration & Production, Inc.
 
     James H. Painter presently serves as Vice President -- Exploitation
Geology. Mr. Painter joined the Company in 1995 as Manager of Exploitation
Geology. Prior to joining the Company, Mr. Painter was employed as a staff
geologist with Forest Oil Company from 1985 until 1995. From 1980 until 1985
 
                                       52
<PAGE>   54
 
Mr. Painter was an exploration and production geologist with The Superior Oil
Company and Mobil Producing Texas & New Mexico, Inc.
 
     Frank D. Willoughby presently serves as Vice President -- Controller. Mr.
Willoughby joined the Company in 1993 as Manager of Financial Reporting. From
1992 until 1993, Mr. Willoughby was a senior financial analyst for
Freeport-McMoRan, Inc. From 1990 until 1992, Mr. Willoughby was a senior
accountant for British Petroleum. From 1988 until 1990, Mr. Willoughby was
employed by KPMG Peat Marwick where he obtained a position of senior auditor.
Mr. Willoughby is a Certified Public Accountant.
 
     John V. Flores joined the Company in 1997 and presently serves as Vice
President & Assistant General Counsel. From 1992 to 1997, Mr. Flores was in the
private practice of law.
 
     James C. Flores, William S. Flores, Jr. and John V. Flores are brothers;
there are no other family relationships between any of the executive officers of
the Company.
 
                              SELLING STOCKHOLDERS
 
     The shares of Common Stock being offered hereby by the Selling Stockholders
are owned by James C. Flores, Richard G. Zepernick, Jr. and Robert L. Belk, each
of whom is a director of the Company. In addition, Mr. Flores is Chairman of the
Board of Directors, President and Chief Executive Officer, Mr. Zepernick is
Executive Vice President -- Exploration & Production and Mr. Belk is Executive
Vice President, Chief Financial Officer and Treasurer of the Company. Mr. Flores
will sell 520,000 shares of Common Stock in the Offering. In addition, Mr.
Flores has granted the Underwriters an option for 30 days to purchase up to an
additional 615,000 shares solely to cover over-allotments, if any. Upon
completion of the Offering, Mr. Flores will beneficially own 4,835,504 shares of
Common Stock (including (i) 200,000 shares subject to presently exercisable
options, and (ii) the right to acquire 1,600,000 shares from another director of
the Company), representing 20.8% of the shares to be outstanding (4,220,504
shares representing 18.1% of the outstanding shares if the Underwriters'
over-allotment option is exercised in full). Mr. Zepernick will sell 60,000
shares of Common Stock in the Offering, and will beneficially own 211,875 shares
of Common Stock (including 211,500 shares subject to presently exercisable
options), representing less than 1% of the shares to be outstanding upon
completion of the Offering. Mr. Belk will sell 20,000 shares of Common Stock in
the Offering, and will beneficially own 65,308 shares of Common Stock (including
63,333 shares subject to presently exercisable options), representing less than
1% of the shares to be outstanding upon completion of the Offering.
 
                                       53
<PAGE>   55
 
                                  UNDERWRITING
 
     Subject to the terms and conditions set forth in the Purchase Agreement
(the "Purchase Agreement") among the Company, the Selling Stockholders and each
of the underwriters named below (the "Underwriters"), the Company and the
Selling Stockholders have agreed to sell to each of the Underwriters, and each
of the Underwriters, for whom Merrill Lynch, Pierce, Fenner & Smith,
Incorporated, Lehman Brothers Inc. (collectively, the co-lead managers), Howard,
Weil, Labouisse, Friedrichs Incorporated, Morgan Stanley & Co. Incorporated,
Petrie Parkman & Co., Inc. and Smith Barney Inc. are acting as representatives
(the "Representatives"), has severally agreed to purchase, the number of shares
of Common Stock set forth below opposite their respective names. The
Underwriters are committed to purchase all of such shares if any are purchased.
Under certain circumstances, the commitments of non-defaulting Underwriters may
be increased as set forth in the Purchase Agreement.
 
<TABLE>
<CAPTION>
                                                               NUMBER
                        UNDERWRITERS                          OF SHARES
                        ------------                          ---------
<S>                                                           <C>
Merrill Lynch, Pierce, Fenner & Smith
             Incorporated...................................
Lehman Brothers Inc.........................................
Howard, Weil, Labouisse, Friedrichs Incorporated............
Morgan Stanley & Co. Incorporated...........................
Petrie Parkman & Co., Inc...................................
Smith Barney Inc............................................
 
                                                              ---------
             Total..........................................  4,100,000
                                                              =========
</TABLE>
 
     The Representatives have advised the Company and the Selling Stockholders
that the Underwriters propose to offer the shares of Common Stock to the public
initially at the public offering price set forth on the cover page of this
Prospectus, and to certain dealers at such price less a concession not in excess
of $          per share. The Underwriters may allow, and such dealers may
reallow, a discount not in excess of $          per share on sales to certain
other dealers. After the public offering, the public offering price, concession
and discount may be changed.
 
     One of the Selling Stockholders has granted the Underwriters an option,
exercisable by the Representatives, to purchase up to 615,000 additional shares
of Common Stock initially at the public offering price, less the underwriting
discount. Such option, which expires 30 days after the date of this Prospectus,
may be exercised solely to cover over-allotments. To the extent that the
Representatives exercise such option, each of the Underwriters will be
obligated, subject to certain conditions, to purchase approximately the same
percentage of the option shares that the number of shares to be purchased
initially by that Underwriter bears to the total number of shares to be
purchased initially by the Underwriters.
 
     MLSI, an affiliate of Merrill Lynch, Pierce, Fenner & Smith Incorporated,
acts as a specialist in the Common Stock of the Company pursuant to the rules of
the New York Stock Exchange, Inc. Under an exemption granted by the Securities
and Exchange Commission on July 31, 1995, MLSI will be permitted to carry on its
activities as a specialist in the Common Stock for the entire period of the
distribution of the Common Stock. The exemption is subject to the satisfaction
by MLSI of the conditions specified in the exemption.
 
     The Company and the Selling Stockholders have agreed to indemnify the
Underwriters against certain liabilities, including liabilities under the
Securities Act or to contribute to payments the Underwriters may be required to
make in respect thereof.
 
     The Company and its directors, including the Selling Stockholders, have
agreed that they will not, without the prior written consent of Merrill Lynch &
Co., offer, sell or otherwise dispose of, any shares of Common Stock or any
securities convertible into shares of Common Stock, except for or upon the
exercise of
 
                                       54
<PAGE>   56
 
currently outstanding options (except for the Offering and the over-allotment
option granted to the Underwriters in the Offering), for a period of 90 days
from the date of this Prospectus.
 
                                 LEGAL MATTERS
 
     Certain legal matters in connection with the Common Stock offered hereby
will be passed upon for the Company by Andrews & Kurth L.L.P., Houston, Texas
and for the Underwriters by Baker & Botts, L.L.P., Dallas, Texas.
 
                                    EXPERTS
 
     The financial statements as of December 31, 1996, 1995 and 1994 and each of
the three years in the period ended December 31, 1996, included and incorporated
by reference in this Prospectus, have been audited by Arthur Andersen LLP,
independent public accountants, as indicated in their reports with respect
thereto, and are included herein in reliance on said firm as experts in giving
said reports.
 
     Information relating to the estimated proved reserves of oil and gas and
the related estimates of future net cash flows and present values of future net
revenues thereof at December 31, 1994, 1995 and 1996 included or incorporated
herein and in the notes to the financial statements of the Company have been
prepared by Netherland, Sewell & Associates, Inc., independent petroleum
engineers.
 
                             AVAILABLE INFORMATION
 
     The Company is subject to the informational requirements of the Exchange
Act and in accordance therewith files reports, proxy statements and other
information with the Commission. Such reports, proxy statements, and other
information filed by the Company can be inspected and copied at the public
reference facilities of the Commission, Judiciary Plaza, 450 Fifth Street, N.W.,
Washington, D.C. 20549, as well as the following Regional Offices: 7 World Trade
Center, New York, New York 10048; and Northwestern Atrium Center, 500 West
Madison Street, Suite 1400, Chicago, Illinois 60661-2511 or may be obtained on
the Internet at http:www.sec.gov. Copies can be obtained by mail at prescribed
rates. Requests for copies should be directed to the Commission's Public
Reference Section, Judiciary Plaza, 450 Fifth Street, N.W., Washington, D.C.
20549. The Company's Common Stock is traded on the New York Stock Exchange and,
as a result, the periodic reports, proxy statements and other information filed
by the Company with the Commission can be inspected at the offices of the New
York Stock Exchange, Inc., 20 Broad Street, New York, New York 10005.
 
                INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE
 
     The following documents heretofore filed by the Company with the Commission
pursuant to the Exchange Act are incorporated herein by reference:
 
          a. The Company's Annual Report on Form 10-K/A for the year ended
     December 31, 1996;
 
          b. The Company's Quarterly Report on Form 10-Q for the quarter ended
     March 31, 1997;
 
          c. The Company's Quarterly Report on Form 10-Q for the quarter ended
     June 30, 1997; and
 
          d. The description of the Company's Common Stock contained in the
     Company's Registration Statement on Form 8-A filed March 8, 1996.
 
     All documents filed by the Company pursuant to Section 13(a), 13(c), 14 or
15(d) of the Exchange Act subsequent to the date of this Prospectus and prior to
the termination of the Offering made hereby shall be deemed to be incorporated
by reference into this Prospectus and to be a part hereof from the date of
filing of such documents. Any statement contained in a document incorporated or
deemed to be incorporated by reference herein shall be deemed to be modified or
superseded for purposes of this Prospectus to the extent that a statement
contained herein or in any other subsequently filed document which also is or is
deemed to be
 
                                       55
<PAGE>   57
 
incorporated by reference herein modifies or supersedes such statement. Any such
statement so modified or superseded shall not be deemed, except as so modified
or superseded, to constitute a part of this Prospectus.
 
     ANY PERSON RECEIVING A COPY OF THIS PROSPECTUS MAY OBTAIN WITHOUT CHARGE,
UPON WRITTEN OR ORAL REQUEST, A COPY OF ANY OF THE DOCUMENTS INCORPORATED BY
REFERENCE HEREIN, EXCEPT FOR THE EXHIBITS TO SUCH DOCUMENTS (UNLESS SUCH
EXHIBITS ARE SPECIFICALLY INCORPORATED BY REFERENCE INTO SUCH DOCUMENTS).
REQUESTS SHOULD BE ADDRESSED TO INVESTOR RELATIONS, OCEAN ENERGY, INC., 8440
JEFFERSON HIGHWAY, SUITE 420, BATON ROUGE, LOUISIANA 70809, (504) 927-1450.
 
                                       56
<PAGE>   58
 
                     GLOSSARY OF CERTAIN OIL AND GAS TERMS
 
     The following are abbreviations and definitions of terms commonly used in
the oil and gas industry and this Prospectus. Unless otherwise indicated in this
Prospectus, natural gas volumes are stated at the legal pressure base of the
state or area in which the reserves are located and at 60 degrees Fahrenheit.
BOEs are determined using the ratio of six Mcf of natural gas to one Bbl of oil.
 
     "Bbl" means a barrel of 42 U.S. gallons of oil.
 
     "Bcf" means billion cubic feet of natural gas.
 
     "BOE" means barrels of oil equivalent.
 
     "Btu" or "British Thermal Unit" means the quantity of heat required to
raise the temperature of one pound of water by one degree Fahrenheit.
 
     "BBtu" means one billion British Thermal Units.
 
     "Completion" means the installation of permanent equipment for the
production of oil or gas.
 
     "Condensate" means a hydrocarbon mixture that becomes liquid and separates
from natural gas when the gas is produced and is similar to crude oil.
 
     "Develocat Drilling" involves evaluating deeper untested sands classified
as exploratory while developing a shallower known reservoir.
 
     "Development well" means a well drilled within the proved area of an oil or
gas reservoir to the depth of a stratigraphic horizon known to be productive.
 
     "Exploration Drilling" are drilled to find and produce oil or gas reserves
not classified as proved, to find a new reservoir in a field previously found to
be productive of oil or gas in another reservoir or to extend a known reservoir.
 
     "Gross," when used with respect to acres or wells, refers to the total
acres or wells in which the Company has a working interest.
 
     "MBbls" means thousands of barrels of oil.
 
     "Mcf" means thousand cubic feet of natural gas.
 
     "MMBbls" means millions of barrels of oil.
 
     "MMBOE" means million barrels of oil equivalent.
 
     "MMBtu" means one million British Thermal Units.
 
     "MMcf" means million cubic feet of natural gas.
 
     "Net" when used with respect to acres or wells, refers to gross acres of
wells multiplied, in each case, by the percentage working interest owned by the
Company.
 
     "Net production" means production that is owned by the Company less
royalties and production due others.
 
     "Oil" means crude oil or condensate.
 
     "Operator" means the individual or company responsible for the exploration,
development, and production of an oil or gas well or lease.
 
     "Present Value of Future Net Revenues" or "Present Value of Proved
Reserves" means the present value of estimated future revenues to be generated
from the production of proved reserves calculated in accordance with Commission
guidelines, net of estimated production and future development costs, using
prices and costs as of the date of estimation without future escalation, without
giving effect to non-property related expenses
 
                                       57
<PAGE>   59
 
such as general and administrative expenses, debt service, future income tax
expense and depreciation, depletion and amortization, and discounted using an
annual discount rate of 10%.
 
     "Project" means a proposal to add a producing completion of oil or gas. A
proposal may vary in range from work authorized to be performed to proposals
that are founded in geologic and engineering principles yet require further
research before funds are authorized.
 
     "Proved developed reserves" means reserves that can be expected to be
recovered through existing wells with existing equipment and operating methods.
Additional oil and gas expected to be obtained through the application of fluid
injection or other improved recovery techniques for supplementing the natural
forces and mechanisms of primary recovery will be included as "proved developed
reserves" only after testing by a pilot project or after the operation of an
installed program has confirmed through production response that increased
recovery will be achieved.
 
     "Proved reserves" means the estimated quantities of crude oil, natural gas,
and natural gas liquids which geological and engineering data demonstrate with
reasonable certainty to be recoverable in future years from known reservoirs
under existing economic and operating conditions, i.e., prices and costs as of
the date the estimate is made. Prices include consideration of changes in
existing prices provided only by contractual arrangements, but not on
escalations based upon future conditions.
 
          i. Reservoirs are considered proved if economic producibility is
     supported by either actual production or conclusive formation test. The
     area of a reservoir considered proved includes (A) that portion delineated
     by drilling and defined by gas-oil and/or oil-water contacts, if any; and
     (B) the immediately adjoining portions not yet drilled, but which can be
     reasonably judged as economically productive on the basis of available
     geological and engineering data. In the absence of information on fluid
     contacts, the lowest known structural occurrence of hydrocarbons controls
     the lower proved limit of the reservoir.
 
          ii. Reserves which can be produced economically through application of
     improved recovery techniques (such as fluid injection) are included in the
     "proved" classification when successful testing by a pilot project, or the
     operation of an installed program in the reservoir, provides support for
     the engineering analysis on which the project or program was based.
 
          iii. Estimates of proved reserves do not include the following: (A)
     oil that may become available from known reservoirs but is classified
     separately as "indicated additional reserves"; (B) crude oil, natural gas,
     and natural gas liquids, the recovery of which is subject to reasonable
     doubt because of uncertainty as to geology, reservoir characteristics, or
     economic factors; (C) crude oil, natural gas, and natural gas liquids that
     may occur in undrilled prospects; and (D) crude oil, natural gas, and
     natural gas liquids that may be recovered from oil shales, coal, gilsonite
     and other such sources.
 
     "Proved undeveloped reserves" means reserves that are expected to be
recovered from new wells on undrilled acreage, or from existing wells where a
relatively major expenditure is required for recompletion. Reserves on undrilled
acreage shall be limited to those drilling units offsetting productive units
that are reasonably certain of production when drilled. Proved reserves for
other undrilled units can be claimed only where it can be demonstrated with
certainty that there is continuity of production from the existing productive
formation. Under no circumstances should estimates for proved undeveloped
reserves be attributable to any acreage for which an application of fluid
injection or other improved recovery technique is contemplated, unless such
techniques have been proved effective by actual tests in the area and in the
same reservoir.
 
     "Recompletion" means the completion for production of an existing well bore
in another formation from that in which the well has been previously completed.
 
     "Reserves" means proved reserves.
 
     "Royalty" means an interest in an oil and gas lease that gives the owner of
the interest the right to receive a portion of the production from the leased
acreage (or of the proceeds of the sale thereof), but generally does not require
the owner to pay any portion of the costs of drilling or operating the wells on
the leased acreage. Royalties may be either landowner's royalties, which are
reserved by the owner of the leased acreage at the
 
                                       58
<PAGE>   60
 
time the lease is granted, or overriding royalties, which are usually reserved
by an owner of the leasehold in connection with a transfer to a subsequent
owner.
 
     "Spud" means to start drilling a new well (or restart).
 
     "3-D seismic" means seismic data that are acquired and processed to yield a
three-dimensional picture of the subsurface.
 
     "Waterflood" means the injection of water into a reservoir to fill pores
vacated by produced fluids, thus maintaining reservoir pressure and assisting
production.
 
     "Working interest" means an interest in an oil and gas lease that gives the
owner of the interest the right to drill for and produce oil and gas on the
leased acreage and requires the owner to pay a share of the costs of drilling
and production operations. The share of production to which a working interest
owner is entitled will always be smaller than the share of costs that the
working interest owner is required to bear, with the balance of the production
accruing to the owners of royalties. For example, the owner of a 100% working
interest in a lease burdened only by a landowner's royalty of 12.5% would be
required to pay 100% of the costs of a well but would be entitled to retain
87.5% of the production.
 
     "Workover" means operations on a producing well to restore or increase
production.
 
                                       59
<PAGE>   61
 
                         INDEX TO FINANCIAL STATEMENTS
 
<TABLE>
<CAPTION>
                                                               PAGE
                                                               ----
<S>                                                            <C>
Report of Independent Public Accountants....................    F-2
Consolidated Balance Sheets as of December 31, 1996 and
  1995......................................................    F-3
Consolidated Statements of Operations for the years ended
  December 31, 1996, 1995 and 1994..........................    F-4
Consolidated Statements of Stockholders' Equity for the
  years ended December 31, 1996, 1995
  and 1994..................................................    F-5
Consolidated Statements of Cash Flows for the years ended
  December 31, 1996, 1995 and 1994..........................    F-6
Notes to Consolidated Financial Statements..................    F-7
Consolidated Balance Sheet as of June 30, 1997..............   F-26
Consolidated Statements of Operations for the six months
  ended June 30, 1997 and 1996..............................   F-27
Consolidated Statements of Cash Flows for the six months
  ended June 30, 1997 and 1996..............................   F-28
Notes to Consolidated Financial Statements..................   F-29
</TABLE>
 
                                       F-1
<PAGE>   62
 
                    REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS
 
To the Board of Directors of
Ocean Energy, Inc. and subsidiaries:
 
     We have audited the accompanying consolidated balance sheets of Ocean
Energy, Inc. (a Delaware corporation, formerly Flores & Rucks, Inc.) and
subsidiaries, as of December 31, 1996 and 1995 and the related consolidated
statements of operations, stockholders' equity and cash flows for each of the
three years in the period ended December 31, 1996. These financial statements
are the responsibility of the Company's management. Our responsibility is to
express an opinion on these financial statements based on our audits.
 
     We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement. An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements. An audit also includes
assessing the accounting principles used and significant estimates made by
management, as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.
 
     In our opinion, the financial statements referred to above present fairly,
in all material respects, the financial position of Ocean Energy, Inc. and
subsidiaries as of December 31, 1996 and 1995, and the results of their
operations and their cash flows for each of the three years in the period ended
December 31, 1996, in conformity with generally accepted accounting principles.
 
                                            ARTHUR ANDERSEN LLP
 
New Orleans, Louisiana
February 24, 1997
 
                                       F-2
<PAGE>   63
 
                               OCEAN ENERGY, INC.
 
                          CONSOLIDATED BALANCE SHEETS
 
                                     ASSETS
 
<TABLE>
<CAPTION>
                                                                       DECEMBER 31,
                                                              ------------------------------
                                                                  1996             1995
                                                              -------------    -------------
<S>                                                           <C>              <C>
Current assets:
  Cash and cash equivalents.................................  $   5,758,978    $     212,238
  Joint interest receivables................................      2,001,605          390,275
  Oil and gas sales receivables.............................     33,770,044       17,546,127
  Notes and accounts receivable -- stockholders.............             --          129,129
  Accounts receivable -- other..............................      1,500,000               --
  Assets held for resale....................................     37,200,000               --
  Prepaid expenses..........................................      1,213,143          390,412
  Other current assets......................................      2,414,803          424,824
                                                              -------------    -------------
          Total current assets..............................     83,858,573       19,093,005
Oil and gas properties -- full cost method:
  Evaluated.................................................    464,485,367      274,942,435
  Less accumulated depreciation, depletion, and
     amortization...........................................   (188,692,223)    (114,040,044)
                                                              -------------    -------------
                                                                275,793,144      160,902,391
  Unevaluated properties excluded from amortization.........     79,904,974       19,041,148
Other assets:
  Furniture and equipment, less accumulated depreciation of
     $2,772,983 and $1,258,225 in 1996 and 1995,
     respectively...........................................      4,286,773        2,340,641
  Restricted deposits.......................................      6,323,515        4,259,182
  Deferred financing costs..................................     10,543,226        5,127,974
  Deferred tax asset........................................             --        4,692,263
                                                              -------------    -------------
          Total assets......................................  $ 460,710,205    $ 215,456,604
                                                              =============    =============
 
                            LIABILITIES AND STOCKHOLDERS' EQUITY
 
Current liabilities:
  Accounts payable and accrued liabilities..................  $  47,718,102    $  15,090,791
  Oil and gas sales payable.................................      7,830,415        5,177,277
  Accrued interest..........................................      5,521,070        2,651,097
  Current notes payable.....................................        127,154               --
  Deposit on assets held for resale.........................      3,720,000               --
                                                              -------------    -------------
          Total current liabilities.........................     64,916,741       22,919,165
Long-term debt..............................................    284,141,999      157,391,556
Notes payable to be refinanced under revolving line of
  credit....................................................             --       14,300,000
Deferred hedge revenue......................................        400,000          870,333
Deferred tax liability......................................      6,098,144               --
Stockholders' equity:
  Preferred stock, $.01 par value; authorized 10,000,000
     shares, no shares issued or outstanding at December 31,
     1996 and 1995..........................................             --               --
  Common stock, $.01 par value; authorized 100,000,000
     shares; issued and outstanding 19,640,656 shares and
     15,044,125 shares at December 31, 1996 and 1995,
     respectively...........................................        196,407          150,441
  Paid-in capital...........................................     91,819,465       27,638,465
  Retained earnings (deficit)...............................     13,137,449       (7,813,356)
                                                              -------------    -------------
          Total stockholders' equity........................    105,153,321       19,975,550
                                                              -------------    -------------
          Total liabilities and stockholders' equity........  $ 460,710,205    $ 215,456,604
                                                              =============    =============
</TABLE>
 
The accompanying notes to consolidated financial statements are an integral part
                              of these statements.
 
                                       F-3
<PAGE>   64
 
                               OCEAN ENERGY, INC.
 
                     CONSOLIDATED STATEMENTS OF OPERATIONS
 
<TABLE>
<CAPTION>
                                                             YEAR ENDED DECEMBER 31,
                                                   --------------------------------------------
                                                       1996            1995            1994
                                                   ------------    ------------    ------------
<S>                                                <C>             <C>             <C>
Oil and gas sales...............................   $188,451,215    $127,970,126    $ 75,395,112
Operating expenses:
  Lease operations..............................     36,192,253      30,023,426      23,577,089
  Severance taxes...............................     10,905,731      10,023,104       6,746,928
  Depreciation, depletion and amortization......     74,652,179      54,083,782      36,459,029
                                                   ------------    ------------    ------------
          Total operating expenses..............    121,750,163      94,130,312      66,783,046
General and administrative expenses.............     16,153,823      11,312,153      10,350,572
Interest expense................................     17,954,053      17,620,226       4,507,307
Interest income and other.......................       (394,909)       (302,597)       (748,479
Loss on production payment repurchase and
  refinancing...................................             --              --      16,681,211
                                                   ------------    ------------    ------------
Net income (loss) before income taxes...........     32,988,085       5,210,032     (22,178,545
Income tax expense (benefit)....................     12,037,280      (4,692,263)             --
                                                   ------------    ------------    ------------
Net income (loss)...............................   $ 20,950,805    $  9,902,295    $(22,178,545
                                                   ============    ============    ============
Earnings per common share
  Primary.......................................   $       1.07    $        .65        N.M.
  Fully diluted.................................           1.05             .65        N.M.
Weighted average common and common equivalent
  share outstanding
  Primary.......................................     19,639,942      15,158,514        N.M.
  Fully diluted.................................     19,901,461      15,329,740        N.M.
</TABLE>
 
The accompanying notes to consolidated financial statements are an integral part
of these statements.
 
                                       F-4
<PAGE>   65
 
                               OCEAN ENERGY, INC.
 
                CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
 
<TABLE>
<CAPTION>
                                                                      RETAINED
                                         COMMON       PAID-IN         EARNINGS
                                         STOCK        CAPITAL        (DEFICIT)         TOTAL
                                        --------    ------------    ------------    ------------
<S>                                     <C>         <C>             <C>             <C>
Balance at December 31, 1993..........  $  1,000    $         --    $   (825,702)   $   (824,702)
  Sale of stock.......................   149,000      52,657,553              --      52,806,553
  Repurchase of common stock..........        --     (18,700,000)             --     (18,700,000)
  Net loss............................        --              --     (22,178,545)    (22,178,545)
  Distributions.......................        --              --      (1,400,000)     (1,400,000)
  Reclassification of accumulated
     deficit at date of conversion to
     a subchapter C corporation.......        --      (6,688,596)      6,688,596              --
                                        --------    ------------    ------------    ------------
Balance at December 31, 1994..........  $150,000    $ 27,268,957    $(17,715,651)   $  9,703,306
  Sale of stock.......................       441         369,508              --         369,949
  Net income..........................        --              --       9,902,295       9,902,295
                                        --------    ------------    ------------    ------------
Balance at December 31, 1995..........  $150,441    $ 27,638,465    $ (7,813,356)   $ 19,975,550
  Sale of stock -- public offering....    45,000      62,146,285              --      62,191,285
  Sale of Stock -- exercise of stock
     options..........................       966       2,034,715              --       2,035,681
  Net income..........................        --              --      20,950,805      20,950,805
                                        --------    ------------    ------------    ------------
Balance at December 31, 1996..........  $196,407    $ 91,819,465    $ 13,137,449    $105,153,321
                                        ========    ============    ============    ============
</TABLE>
 
The accompanying notes to consolidated financial statements are an integral part
                              of these statements.
 
                                       F-5
<PAGE>   66
 
                               OCEAN ENERGY, INC.
 
                     CONSOLIDATED STATEMENTS OF CASH FLOWS
 
<TABLE>
<CAPTION>
                                                             YEAR ENDED DECEMBER 31,
                                                  ----------------------------------------------
                                                      1996             1995            1994
                                                  -------------    ------------    -------------
<S>                                               <C>              <C>             <C>
Operating activities:
  Net income (loss).............................  $  20,950,805    $  9,902,295    $ (22,178,545)
  Adjustments to reconcile net income (loss) to
     net cash provided by (used in) operating
     activities:
     Depreciation, depletion and amortization...     76,166,937      54,751,429       36,845,015
     Deferred hedge revenue.....................       (470,333)        203,666         (565,180)
     Deferred tax expense (benefit).............     10,790,407      (4,692,263)              --
     Recognition of deferred revenue on sale of
       production payment interest..............             --              --      (23,857,212)
  Repurchase of production payment interests....             --              --     (107,951,703)
     Changes in operating assets and
       liabilities:
       Accrued interest.........................      1,569,973       1,555,132        1,947,489
       Receivables..............................    (19,206,115)     (7,055,051)      (6,208,990)
       Prepaid expenses.........................       (822,731)        126,106               --
       Other current assets.....................     (1,989,979)       (352,106)        (139,976)
       Accounts payable and accrued
          liabilities...........................     32,627,311       1,957,344        5,155,926
       Oil and gas sales payable................      2,653,135       2,483,037        1,468,107
       Deposit on assets held for resale........      3,720,000              --               --
                                                  -------------    ------------    -------------
Net Cash provided by (used in) operating
  activities....................................    125,989,410      58,879,589     (115,485,069)
                                                  -------------    ------------    -------------
Investing activities:
  Additions to oil and gas properties and
     furniture and equipment....................   (291,067,648)    (75,740,369)     (39,408,546)
  Increase in restricted deposits...............     (2,064,333)     (1,958,884)      (1,221,377)
  Purchase of minority interest.................             --              --       (5,977,097)
                                                  -------------    ------------    -------------
Net cash used in investing activities...........   (293,131,981)    (77,699,253)     (46,607,020)
                                                  -------------    ------------    -------------
Financing activities:
  Sale of stock.................................     64,226,966         369,949       52,806,553
  Borrowings on notes payable...................    242,120,000      99,000,020      181,014,776
  Payments of notes payable.....................   (128,264,402)    (81,357,944)     (55,632,361)
  Deferred financing costs......................     (5,393,253)        451,187       (5,626,787)
  Repurchase of common stock....................             --              --       (8,700,000)
  Distributions to stockholders.................             --              --       (1,400,000)
                                                  -------------    ------------    -------------
Net cash provided by financing activities.......    172,689,311      18,463,212      162,462,181
                                                  -------------    ------------    -------------
Increase (decrease) in cash and cash
  equivalents...................................      5,546,740        (356,452)         370,092
Cash and cash equivalents, beginning of the
  period........................................        212,238         568,690          198,598
                                                  -------------    ------------    -------------
Cash and cash equivalents, end of the period....  $   5,758,978    $    212,238    $     568,690
                                                  =============    ============    =============
Interest paid during the period.................  $  20,896,826    $ 18,288,156    $   2,808,721
                                                  =============    ============    =============
</TABLE>
 
The accompanying notes to consolidated financial statements are an integral part
                              of these statements.
 
                                       F-6
<PAGE>   67
 
                               OCEAN ENERGY, INC.
 
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
 
1. ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES
 
  Organization
 
     Ocean Energy, Inc., formerly Flores & Rucks, Inc., a Delaware corporation
(the "Company"), is an independent energy company engaged in the exploration,
development, acquisition and production of crude oil and natural gas, with
operations primarily in the shallow offshore regions of Louisiana. The Company
was formed on September 22, 1994, to succeed to the business of Ocean Energy,
Inc., formerly Flores & Rucks, Inc., a Louisiana corporation ("Ocean Louisiana")
and Flores & Rucks LLC ( the "LLC"). Concurrent with the closing of the Initial
Offerings (See Note 2) on December 7, 1994, Ocean Louisiana was merged into a
wholly owned subsidiary of the Company. Because the transaction represented the
reorganization of entities under common control, the merger was treated in a
manner similar to a pooling of interests.
 
     During 1996, the Company issued 4.5 million additional shares of common
stock and $160 million of 9 3/4% Senior Subordinated Notes through public
offerings (See Note 2).
 
     Hereinafter, the "Company" refers to Ocean Energy, Inc., a Delaware
corporation, its predecessors and their respective subsidiaries.
 
     Effective January 1, 1993, Ocean Louisiana issued 2,000 shares of common
stock to the two stockholders of an entity which held the rights under an
operating agreement to operate substantially all of Ocean Louisiana's oil and
gas properties. These two stockholders were deemed co-promoters of Ocean
Louisiana upon the exchange. As no tangible assets, or any assets with
predecessor basis, were acquired by Ocean Louisiana in connection with the
exchange, no value was attributed to the stock issued. These shares were
subsequently reacquired (See Note 7).
 
     On December 28, 1993, Ocean Louisiana transferred its interests in
substantially all of its oil and gas properties to the LLC in return for an
87.5% ownership interest. The remaining 12.5% interest (the "Minority Interest")
was owned by an unrelated party, Franks Petroleum, Inc. ("Franks"). Ocean
Louisiana proportionately consolidated its interest in LLC.
 
     The Company is substantially leveraged. As such, a significant portion of
the Company's cash flow from operations will be dedicated to debt service. As
with other independent oil and gas producers, the Company is subject to numerous
uncertainties and commitments associated with its operations. For example, the
Company's results of operations are highly dependent upon the prices received
for oil and gas. In addition, the Company will be required to make substantial
future capital expenditures for the acquisition, exploration, development,
production and abandonment of its oil and gas properties.
 
  Subsidiary Guaranty
 
     All of the Company's operating income and cash flow is generated by Ocean
Louisiana, a wholly owned subsidiary and the Subsidiary Guarantor of the
Company. The separate financial statements of Ocean Louisiana are not included
herein because (i) Ocean Louisiana is the only direct active subsidiary of the
Company; (ii) Ocean Louisiana has fully and unconditionally guaranteed the
Senior Notes and the Senior Subordinated Notes (as defined in Note 2); (iii) the
aggregate assets, liabilities, earnings, and equity of Ocean Louisiana are
substantially equivalent to the assets, liabilities, earnings and equity of the
Company on a consolidated basis; and (iv) the presentation of separate financial
statements and other disclosures concerning Ocean Louisiana are not deemed
material.
 
  Use of Estimates
 
     The preparation of financial statements in conformity with generally
accepted accounting principles requires management to make estimates and
assumptions that affect the reported amounts of assets and
 
                                       F-7
<PAGE>   68
 
                               OCEAN ENERGY, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
liabilities and disclosure of contingent assets and liabilities at the date of
the financial statements and the reported amounts of revenues and expenses
during the reporting period. Actual results could differ from those estimates.
 
  Oil and Gas Properties
 
     The Company's exploration and production activities are accounted for under
the full cost method. Under this method, all acquisition, exploration and
development costs, including certain related employee costs, incurred for the
purpose of finding oil and gas are capitalized. Such amounts include the cost of
drilling and equipping productive wells, dry hole costs, lease acquisition
costs, delay rentals, and costs related to such activities. Employee costs
associated with production operations and general corporate activities are
expensed in the period incurred. The Company capitalized $3,893,000, $1,643,000
and $535,000 of employee related costs directly associated with the acquisition,
development or exploration of oil and gas properties during the years ended
December 31, 1996, 1995 and 1994, respectively. The Company's proportionate
interests in properties held under joint venture, partnership or similar
arrangements are included in oil and gas properties. Transactions involving
sales of reserves in place, unless unusually significant, are recorded as
adjustments to oil and gas properties. Capitalized costs are limited to the sum
of the present value of future net revenues discounted at 10% related to
estimated production of proved reserves (which includes deferred hedge revenue)
and the lower of cost or estimated fair value of unevaluated properties.
 
     Depreciation, depletion and amortization of oil and gas properties are
computed on a composite unit-of-production method based on estimated proved
reserves. All costs associated with oil and gas properties, including an
estimate of future development, restoration, dismantlement and abandonment costs
of proved properties, are included in the computation base, with the exception
of certain costs associated with unevaluated oil and gas properties. The oil and
gas reserves are estimated periodically by independent petroleum engineers. The
Company evaluates all unevaluated oil and gas properties on a quarterly basis to
determine if any impairment has occurred. Any impairment to unevaluated
properties will be reclassified as a proved oil and gas property, and thus
subject to amortization if there are proved reserves associated with the related
cost center. Otherwise, such impairment will be recognized in the period in
which it occurs.
 
     In March 1995, the Financial Accounting Standards Board ("FASB") issued
Statement of Financial Accounting Standards No. 121 ("SFAS 121") regarding
accounting for the impairment of long-lived assets. The Company adopted SFAS 121
in 1996. The effect of adopting SFAS 121 did not materially impact the Company's
results of operations or financial position as of December 31, 1996.
 
  Furniture and Equipment
 
     Depreciation is computed using the straight-line method over the estimated
useful lives of the assets, which range from 3 to 5 years.
 
  Oil and Gas Revenue
 
     The Company records oil and gas revenue on the sales method. As a result of
this policy, the Company did not record revenues of $642,663 and $20,000 for the
years ended December 31, 1996 and 1995, respectively, on gas volumes that the
Company was entitled to, but which were sold by a joint owner in order to reduce
previous gas imbalances. The Company recorded revenue of $376,000 during the
year ended December 31, 1994, on gas volumes sold in excess of its entitled
share of production. As of December 31, 1996, the Company is in a net
overdelivered position of 2,059,954 Mcf, which will reduce future oil and gas
revenue as the underdelivered parties recoup their share of production. In
connection with acquisitions, under the sales method the Company records a gas
balancing liability only to the extent any net gas imbalance acquired exceeds
the reserves acquired.
 
                                       F-8
<PAGE>   69
 
                               OCEAN ENERGY, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     The Company records as oil and gas revenue the payments received from (or
made to) a third party under contracts to hedge future oil and gas production
(See Note 13).
 
  Statements of Cash Flows
 
     The Company considers all highly liquid investments with a maturity of six
months or less when purchased to be cash equivalents.
 
  Earnings Per Common Share
 
     Primary and fully diluted earnings per common share are based on the
weighted average number of shares of common stock outstanding for the periods,
including common equivalent shares which reflect the dilutive effect of stock
options granted to certain employees and outside directors on various dates
through December 31, 1996. Dilutive options that are issued during a period or
that expire or are canceled during a period are reflected in both primary and
fully diluted earnings per share computations for the time they were outstanding
during the periods being reported.
 
     Earnings per common share has not been presented for the Company for the
year ended December 31, 1994, as this amount would not be meaningful or
indicative of the ongoing entity due to the Initial Offerings (See Note 2) and
related transactions.
 
  Deferred Financing Costs
 
     The Company has $10,543,226, net of accumulated amortization of $1,423,572,
recorded as deferred financing costs as of December 31, 1996, which is related
to the sale of the Senior Notes and the sale of the Senior Subordinated Notes
(See Note 2) and the senior revolving bank credit facility (the "Revolving
Credit Facility"). In conjunction with the Initial Offerings (See Note 2), a
balance of $1,007,114, which represented deferred financing costs associated
with the term and development loans, discussed in Note 9, was expensed in the
fourth quarter of 1994. Deferred financing costs are being amortized on a
straight-line basis over the life of the related loans.
 
  Fair Value of Financial Instruments
 
     Fair value of cash, cash equivalents, accounts receivable and accounts
payable approximate book value at December 31, 1996. Fair value of debt is
determined based upon market value, if traded, or discounted at the estimated
rate the Company would incur currently on similar debt.
 
  Reclassifications
 
     Certain reclassifications have been made to conform financial statement
presentation between periods.
 
     In addition, prior year oil and gas reserve quantity information in Note 15
has been restated to include estimated future reserves expected to be consumed
by the Company as fuel gas.
 
2. INITIAL AND SUBSEQUENT PUBLIC OFFERINGS
 
     On December 7, 1994, the Company closed initial public offerings (the
"Initial Offerings") issuing 5,750,000 shares of common stock at $10 per share
and $125 million of 13 1/2% Senior Notes due December 1, 2004 (the "Senior
Notes"), and concurrently exchanged the Enron Option (See Note 4) and $1,000 for
one million shares of common stock. Additionally, the Company acquired the
Franks interest (for $6.0 million cash) and the LLC was merged into the Company.
Also, concurrent with the closing of the Initial Offerings, the Company acquired
the production payment obligations for East Bay Complex and Main Pass 69 (See
 
                                       F-9
<PAGE>   70
 
                               OCEAN ENERGY, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
Notes 3 and 4), repaid the term loan and development loans (See Note 9) and paid
off notes to current and former stockholders (See Note 7).
 
     In January 1995, the Company issued an additional 40,000 shares of common
stock relating to the exercise of the underwriters over allotment option. Net
proceeds to the Company from the issuance of these shares was $372,000.
 
     On March 19, 1996, the Company completed a public offering of 4,500,000
shares of common stock at a price of $14.75 per share (the "Offering"). Net
proceeds of the Offering were approximately $62.2 million, of which $15.4
million was used to repay a note payable to Shell Offshore, Inc. and
approximately $33.0 million was used to repay indebtedness under the Revolving
Credit Facility.
 
     On September 26, 1996, the Company completed an offering of $160,000,000 of
9 3/4% Senior Subordinated Notes at a discount (the "Senior Subordinated Notes")
for proceeds of $159,120,000 (before offering costs). The principal is due
October 1, 2006. Interest on the notes will be payable semi-annually in arrears
on April 1 and October 1 of each year, commencing April 1, 1997. Net proceeds to
the Company were approximately $154 million, which was used primarily to
complete the acquisition of the Central Gulf Properties (See Note 3) and to
repay outstanding indebtedness of $25.1 million under the Company's Revolving
Credit Facility.
 
3. INVESTMENT IN OIL AND GAS PROPERTIES
 
     On June 11, 1992, the Company acquired a producing oil and gas property
("Main Pass 69") from Shell Oil Company, its affiliates and subsidiaries
("Shell"), for $39.2 million. On June 10, 1993, the Company acquired a second
producing property (the "East Bay Complex") from Shell for $131.9 million.
Concurrent with these acquisitions, the Company assigned overriding royalty
interests burdening one-eighth of the working interests to a company owned by a
stockholder for services rendered in connection with the acquisitions. In
addition, the Company sold to Franks the one-eighth working interests subject to
the override in return for the assumption of one-eighth of the volumetric
production payment liabilities related thereto (See Note 4) and, for the East
Bay Complex, one-eighth of a note payable to Shell (Note 9). In addition, see
Note 4 for a discussion of the sale of an option to Enron Financial Corporation
related to the East Bay Complex.
 
     On December 7, 1994, the Company acquired Franks' interest in the LLC for
$6 million and recorded the acquisition using the purchase method. Included in
the purchase the Company acquired cash totaling $23,000, other current assets
totaling $56,000, the Minority Interest's share of a plug and abandonment escrow
totaling $269,000 and other assets totaling $124,000. In addition, the Company
assumed accrued interest payable of $53,000, notes payable on JEDI loans (as
defined in Note 9) of approximately $4.4 million, deferred hedge revenue of
$85,000, an approximate $1.8 million liability owed to the Company and deferred
production payment revenues of approximately $15.5 million, as well as the
assumption of a $710,000 liability owed to the LLC. The Company recorded an
increase in the full cost pool of $28.1 million. The Company allocated the
purchase price between evaluated and unevaluated properties based on estimated
relative fair market value.
 
     On September 26, 1996, the Company acquired from Mobil Oil and Producing
Southeast, Inc. ("Mobil"), certain interests in eleven oil and gas producing
fields and related production facilities primarily situated in the shallow
federal waters of the central Gulf of Mexico, offshore Louisiana, (the "Central
Gulf Properties") for approximately $117.6 million. The Company financed the
acquisition with proceeds from the issuance of the Senior Subordinated Notes
(See Note 2). At December 31, 1996, one of the eleven Central Gulf Properties
was reclassified as "Assets held for resale". The subject property was sold on
January 3, 1997, for $37.2 million. No gain or loss was recognized on the sale.
 
                                      F-10
<PAGE>   71
 
                               OCEAN ENERGY, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     The following pro forma information gives effect to the acquisition of the
Central Gulf Properties by the Company as if it had occurred on January 1, 1995.
 
<TABLE>
<CAPTION>
                                                            YEAR ENDED DECEMBER 31,
                                                          ----------------------------
                                                              1996            1995
                                                          ------------    ------------
                                                                  (UNAUDITED)
<S>                                                       <C>             <C>
Total revenues..........................................  $216,528,093    $168,829,040
Net income..............................................    24,854,741      13,840,044
Earnings per common share...............................
  Primary...............................................  $       1.27    $       0.91
  Fully diluted.........................................          1.25            0.90
</TABLE>
 
     The following table discloses certain financial data relative to the
Company's oil and gas producing activities, all of which are located in the
offshore waters of the continental United States.
 
<TABLE>
<CAPTION>
                                                 1996           1995           1994
                                             ------------   ------------   ------------
<S>                                          <C>            <C>            <C>
Costs incurred during period:
  Capitalized
     Purchase of producing properties......  $ 59,419,082   $    624,097   $ 25,441,295
     Purchase of unevaluated properties....    69,765,719      2,381,227     14,736,334
     Properties held for resale............   (37,200,000)            --             --
     Exploration costs.....................    45,765,965     18,106,000      9,829,000
     Development costs, including
       capitalized workovers...............   104,010,914     47,829,175     23,083,108
     Plugging and abandonment costs........       352,043        236,000        727,370
     Capitalized interest on unevaluated
       properties and capitalized general
       and administrative costs............     9,191,313      4,475,979        659,552
                                             ------------   ------------   ------------
                                             $251,305,036   $ 73,652,478   $ 74,476,659
                                             ============   ============   ============
Charged to expense
  Operating costs:
     Recurring lease operating expenses....  $ 33,709,222   $ 28,648,019   $ 22,709,507
     Major maintenance expenses............     2,483,031      1,375,407        867,582
                                             ------------   ------------   ------------
          Total operating costs............  $ 36,192,253   $ 30,023,426   $ 23,577,089
                                             ============   ============   ============
     Severance taxes.......................  $ 10,905,731   $ 10,023,104   $  6,746,928
                                             ============   ============   ============
Oil and gas properties:
  Balance, beginning of period.............  $293,983,583   $220,331,105   $145,934,272
  Additions................................   287,606,758     73,652,478     74,396,833
  Properties held for resale...............   (37,200,000)            --             --
                                             ------------   ------------   ------------
  Balance, end of period...................  $544,390,341   $293,983,583   $220,331,105
                                             ============   ============   ============
Accumulated depreciation, depletion and
  amortization:
  Balance, beginning of period.............  $114,040,044   $ 60,019,583   $ 23,560,554
  Provision for depreciation, depletion and
     amortization..........................    74,652,179     54,020,461     36,459,029
                                             ------------   ------------   ------------
  Balance, end of period...................   188,692,223    114,040,044     60,019,583
                                             ------------   ------------   ------------
     Net capitalized costs.................  $355,698,118   $179,943,539   $160,311,522
                                             ============   ============   ============
</TABLE>
 
                                      F-11
<PAGE>   72
 
                               OCEAN ENERGY, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     The following table discloses financial data associated with capitalized
unevaluated costs as of December 31, 1996.
 
<TABLE>
<CAPTION>
                                                          COSTS INCURRED DURING THE
                                      BALANCE AT          YEARS ENDED DECEMBER 31,
                                     DECEMBER 31,   -------------------------------------
                                         1996          1996          1995         1994
                                     ------------   -----------   ----------   ----------
<S>                                  <C>            <C>           <C>          <C>
Acquisition costs..................  $54,710,827    $45,864,414   $2,232,685   $6,613,728
Exploration costs..................   18,196,979     13,267,654    4,929,325           --
Development costs..................    2,291,218      2,291,218           --           --
Capitalized interest...............    4,705,950      3,478,046    1,170,301       57,603
                                     -----------    -----------   ----------   ----------
                                     $79,904,974    $64,901,332   $8,332,311   $6,671,331
                                     ===========    ===========   ==========   ==========
</TABLE>
 
4. PRODUCTION PAYMENTS
 
     Concurrent with the Main Pass 69 and East Bay Complex acquisitions, the
Company sold to Enron Reserve Acquisition Corp. ("ERAC") nonrecourse volumetric
production payment interests of approximately $36.7 million and $95.7 million,
respectively, net of the amounts assumed by Franks.
 
     The Company deferred the revenue associated with the sale of these
production payment interests because a substantial obligation for future
performance existed. Under the terms of the sales, the Company was obligated to
deliver the production payment volumes free and clear of lease operating
expenses, production taxes, plugging and abandonment and other capital costs.
The deferred revenue was amortized on the unit-of-production method and
recognized as oil and gas revenues as the associated hydrocarbons were
delivered. In addition, under separate agreements, the Company was required to
sell all excess production over production payment volumes from the subject
properties to an affiliate of ERAC during the same periods. Sales from the East
Bay Complex were made at market prices, whereas sales from Main Pass 69 were
made at the affiliate's posted price, which during the eleven months ended
November 30, 1994 was approximately $1.29 per barrel below other buyers'
postings for similar crude oil. Sales from Main Pass 69 for December 1994 were
made to the affiliate at market prices.
 
     In connection with the East Bay Complex production payment, Enron Finance
Corp. ("Enron") obtained from the Company the right to acquire during a ten-year
period commencing January 1, 1996 (or upon a registration of securities), at a
nominal cost, a one-eighth working interest in the East Bay Complex or a 9%
interest in LLC (the "Enron Option"). If the working interest was acquired, it
would have been burdened by its share of the production payment. For accounting
purposes, the total proceeds received by the Company from ERAC related to the
East Bay Complex production payment were allocated between deferred revenue from
the sale of the production payment interest ($95.7 million) and a reduction in
the full cost pool resulting from the sale of a portion of the Company's
interest in East Bay Complex ($7.5 million) based upon the relationship of
one-eighth of post-January 1, 1996 reserves to total reserves, as determined at
the date of acquisition. The production payment volumes attributed to this
interest were 401 MBbls and 1,369 Mmcf. In December 1994 Enron contributed its
Enron Option and $1,000 in exchange for one million shares of the Company's
common stock. As a result of the exchange, the Company recorded a $7.5 million
increase to oil and gas properties as well as an increase of $7.5 million for
the related production payment obligation, which were originally reduced from
the respective accounts.
 
     Concurrent with the Initial Offerings, the Company repurchased the
production payment interests. The cost to acquire the production payment
liability exceeded its book value by approximately $15.7 million. This excess
represented the difference between the amount paid and the book value of the
production payment liability as of December 7, 1994. This excess was recorded as
an expense in the period acquired.
 
                                      F-12
<PAGE>   73
 
                               OCEAN ENERGY, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
5. RESTRICTED DEPOSITS
 
     The Company, as the operator of the acquired oil and gas properties, is a
party to two escrow agreements, the first, related to East Bay, requires monthly
deposits of $100,000 through June 30, 1998, and $350,000 thereafter until the
balance in the escrow account equals $40 million unless the Company commits to
the plug and abandonment of a certain number of wells in which case the increase
will be deferred. The second agreement, related to Main Pass, required an
initial deposit of $250,000 and monthly deposits thereafter of $50,000 until the
balance in the escrow account equals $7,500,000. These deposits are to provide
for the future plugging and abandonment costs associated with the oil and gas
properties. Such funds are restricted as to withdrawal by the agreements. With
respect to any specifically planned plugging and abandoning operation, funds are
partially released when the Company presents to the escrow agent the planned
plugging and abandoning operations approved by the applicable governmental
agency, with the balance released upon the presentation by the Company to the
escrow agent of evidence from the governmental agency that the operation was
conducted in compliance with applicable laws and regulations. The escrow agent
for both agreements is an unrelated financial institution. As of December 31,
1996 and 1995, the escrow balances were approximately $6.3 million and $4.3
million, respectively.
 
6. INCOME TAXES
 
     The Company was formed as an S corporation under the Internal Revenue Code
and, as such, all income taxes were the obligation of the Company's
stockholders. Therefore, through December 7, 1994, no historical federal or
state income tax expense has been provided for in the financial statements. In
conjunction with the Initial Offerings, the Company converted to a C corporation
under the Internal Revenue Code.
 
     The Company has adopted Statement of Financial Accounting Standards No.
109, "Accounting for Income Taxes" ("SFAS 109"). SFAS 109 requires deferred tax
liabilities or assets be recognized for the anticipated future tax effects of
temporary differences that arise as a result of the difference in the carrying
amounts and the tax bases of assets and liabilities. The components of the
income tax provision (benefit) for each of the periods presented are as follows:
 
<TABLE>
<CAPTION>
                                                   1996          1995          1994
                                                -----------   -----------   -----------
<S>                                             <C>           <C>           <C>
Current.......................................  $        --   $        --   $        --
Deferred......................................   12,037,280    (4,692,263)           --
                                                -----------   -----------   -----------
          Total...............................  $12,037,280   $(4,692,263)  $        --
                                                ===========   ===========   ===========
</TABLE>
 
     Deferred income taxes are provided to reflect temporary differences in the
basis of net assets for income tax and financial reporting purposes. The tax
effected temporary differences and tax loss carryforwards which comprise
deferred taxes are as follows:
 
<TABLE>
<CAPTION>
                                                    1996          1995         1994
                                                ------------   ----------   -----------
<S>                                             <C>            <C>          <C>
Net operating loss carryforward...............  $ 11,271,173   $3,849,463   $ 6,019,935
Temporary differences:
  Oil and gas properties......................   (17,369,317)   1,734,991    (1,598,426)
  Other.......................................            --     (892,191)    1,882,490
                                                ------------   ----------   -----------
Total deferred tax (liability) asset..........    (6,098,144)   4,692,263     6,303,999
Valuation allowance...........................            --           --    (6,303,999)
                                                ------------   ----------   -----------
Net deferred tax (liability) asset............  $ (6,098,144)  $4,692,263   $        --
                                                ============   ==========   ===========
</TABLE>
 
     A valuation allowance is provided for that portion of the asset for which
it is deemed more likely than not that it will not be realized. Due to the
Company's losses in 1994 and the substantial volatility in oil and gas
 
                                      F-13
<PAGE>   74
 
                               OCEAN ENERGY, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
prices, management provided a valuation allowance for the entire deferred tax
asset at December 31, 1994. During the second half of 1995, due to drilling
successes and increases in oil and gas prices, the Company generated income from
operations. Based upon estimates, management believed it was more likely than
not that the deferred tax asset as of December 31, 1995 would be realized, and
thus eliminated the valuation allowance in 1995.
 
     The principal reasons for the differences between income taxes computed at
the statutory federal income tax rate and the income tax provision (benefit) are
as follows:
 
<TABLE>
<CAPTION>
                                                            1996                   1995                   1994
                                                    --------------------   --------------------   --------------------
                                                                   % OF                   % OF                   % OF
                                                                   NET                    NET                    NET
                                                                  INCOME                 INCOME                 INCOME
                                                                  BEFORE                 BEFORE                 BEFORE
                                                      AMOUNT      TAXES      AMOUNT      TAXES      AMOUNT      TAXES
                                                    -----------   ------   -----------   ------   -----------   ------
<S>                                                 <C>           <C>      <C>           <C>      <C>           <C>
Income tax expense (benefit) computed at the
  statutory federal income tax rate...............  $11,545,830     35     $ 1,823,511      35    $(7,762,491)   (35)
Increase attributable to nontaxable period........           --     --              --      --      1,622,168      8
Cumulative temporary differences upon conversion
  to a "C" corporation............................           --     --              --      --       (729,312)    (3)
Change in valuation allowance.....................           --     --      (6,303,999)   (121)     6,303,999     28
Other, net........................................      491,450      1        (211,775)     (4)       565,636      2
                                                    -----------    ---     -----------    ----    -----------    ---
Income tax provision (benefit)....................  $12,037,280     36     $(4,692,263)    (90)   $        --     --
                                                    ===========    ===     ===========    ====    ===========    ===
</TABLE>
 
     At December 31, 1996, the Company had regular tax net operating loss
carryforwards of approximately $29.0 million and alternative minimum tax net
operating loss carryforwards of approximately $12.6 million. These loss
carryforward amounts will expire during the years 2009 through 2111.
 
7. STOCKHOLDERS' EQUITY
 
     In February 1994, the Company agreed to reacquire 1,000 shares of stock
from a former stockholder discussed in Note 1, for a total of $10.0 million (two
notes in the amount of $5 million each). The notes bore interest at 8% and were
paid on March 1, 1995. In June 1994, the Company agreed to reacquire 1,000
shares of stock from the other former stockholder discussed in Note 1 for $8.7
million, $5.0 million of which was paid in June 1994, and the remainder of which
was paid with the proceeds of the Initial Offerings.
 
8. RELATED PARTY TRANSACTIONS
 
     Effective July 1, 1994, the Company acquired indirectly from stockholders
various overriding royalty interests for $1.2 million.
 
     During 1994, the Company forgave $500,000 due from two stockholders. The
amounts related to promissory notes which bore interest at 8% per annum and were
due upon demand, and if no demand, then by December 31, 1994. On March 1, 1995,
$250,000 due from a former stockholder was received.
 
     In July 1994, the Company purchased a portion of the overriding royalty
interests previously assigned to an affiliate of a stockholder for $3 million
(See Note 3). At that time, two stockholders loaned the Company $5 million to
make a payment to a former stockholder (See Note 7). In September 1994, the
stockholder affiliate exercised its right to repurchase the overriding royalty
interest from the Company for $3 million and the Company repaid $3 million of
the loans by the stockholders. The Company utilized a portion of the net
proceeds of the Initial Offerings to repay the remaining $2 million in loans to
stockholders.
 
     During 1994, the Company contracted with oilfield service companies
previously owned by current and former stockholders. The total amounts paid for
these services was $1,091,152 during the first six months of
 
                                      F-14
<PAGE>   75
 
                               OCEAN ENERGY, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
1994 (at June 30, 1994, the stockholders assigned their interest in such
companies to a former stockholder). The Company believes that the cost of such
services would have been substantially similar to costs that would have been
charged by unaffiliated third parties for such services.
 
     During 1994, the Company was assigned an oil and gas prospect from an
officer of the Company, who retained an overriding royalty interest. In
addition, the Company paid the officer $50,000 for services rendered in
connection therewith as well as $108,000 to a third party for acquisition of the
leases. During 1996, the Company purchased a working interest ownership in a
field where the Company had an existing working interest from the officer for
$188,026.
 
     During 1996, 1995 and 1994, the Company paid $1,430,089, $1,041,088 and
$635,960, respectively, to an affiliate of a stockholder associated with an
overriding royalty interest owned by it. In addition, during 1995 and 1994, the
Company paid $4,753 and $124,376, respectively, with respect to oil and gas
properties previously owned by the affiliate. These amounts are included in
accounts receivable from stockholders at December 31, 1995 and 1994, and were
repaid in full on March 27, 1996.
 
     During 1994, the Company obtained a loan from Union Planters Bank in
connection with the purchase of a seaplane. During 1995, Mr. Flores was named a
member of the Board of Directors of that bank. The loan was made to the Company
for the amount of $132,500, bearing interest at the Wall Street Prime rate.
Principal and interest payments were payable monthly, with the balance due on
February 10, 1997. The outstanding principal balance plus accrued interest at
December 31, 1996, was $92,133. On February 10, 1997, the balance of the loan
was paid in full. In addition, Union Planters Bank is a member of the syndicate
under the Revolving Credit Facility. Effective December 31, 1996, Mr. Flores
resigned as a member of the Board of Directors of Union Planters Bank.
 
     Effective November 1, 1995, the Company entered into a consulting agreement
for geological services with a party related to an officer of the Company. The
original term of this agreement expired on October 31, 1996, and the term was
extended for a one year period. In 1995, the Company paid $5,200 pursuant to the
agreement as well as $5,000 for other miscellaneous geological consulting
services received. In addition, in 1995 the Company paid $50,000 for services
rendered in connection with an oil and gas prospect assigned to it by such
party. In 1996, the Company paid $110,565 relating to the agreement.
 
     On September 13, 1996, the Company entered into a retainer agreement for
legal services to be rendered by a law firm owned by a party related to an
officer of the Company. This agreement is automatically extended for successive
3 month periods unless terminated by one of the parties. Legal fees paid by the
Company relating to this retainer during 1996 totaled $25,196.
 
                                      F-15
<PAGE>   76
 
                               OCEAN ENERGY, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
9. LONG-TERM DEBT
 
     Long-term debt consisted of the following at:
 
<TABLE>
<CAPTION>
                                                                   DECEMBER 31,
                                                            ---------------------------
                                                                1996           1995
                                                            ------------    -----------
<S>                                                         <C>             <C>
Note payable to Shell, including accrued interest of
  $2,183,735 in 1995, with interest payable at a rate of
  6% per annum principal and interest paid March 29, 1996,
  collateralized by the vendor's lien and privilege
  retained by Shell which was subordinate to the Revolving
  Credit Facility.........................................  $         --    $15,183,735
$50,000,000 revolving line of credit with a bank, bearing
  interest as described below, collateralized by first
  mortgage on the Main Pass and East Bay properties.......            --     32,200,000
Senior unsecured notes bearing interest at 13 1/2% payable
  semi-annually on June 1 and December 1 of each year,
  commencing June 1, 1995, due December 1, 2004...........   125,000,000    125,000,000
$160,000,000 Senior subordinated unsecured notes bearing
  interest at 9 3/4% payable semi-annually on April 1 and
  October 1 of each year, commencing April 1, 1997, due
  October 1, 2006, issued at a discount for proceeds of
  $159,120,000............................................   159,141,999             --
Promissory note to Union Planters Bank bearing interest at
  Wall Street Prime due February 10, 1997, collateralized
  by a Company owned seaplane.............................        91,492        106,478
Capital lease from Green Tree Vendor Services Corp. due
  August 1997, collateralized by certain computer
  equipment...............................................        35,662         85,078
                                                            ------------    -----------
          Total debt......................................   284,269,153    172,575,291
          Less: Current portion...........................       127,154        883,735
                                                            ------------    -----------
          Total long-term debt............................  $284,141,999    $171,691,556
                                                            ============    ===========
</TABLE>
 
     The Revolving Credit Facility was committed for up to a five-year period.
The Revolving Credit Facility had an initial borrowing base of $50 million. The
Chase Manhattan Bank (the "Agent"), with the concurrence of majority lenders (as
defined in the $50,000,000 Credit Agreement among Flores & Rucks, Inc. and The
Chase Manhattan Bank) (the "Credit Agreement"), can redetermine the borrowing
base at its option once within any 12-month period as well as on scheduled
redetermination dates as outlined in the Credit Agreement. The borrowing base
automatically reduces by an amount equal to one-sixteenth ( 1/16) of the
borrowing base in effect on each quarter beginning March 31, 1998, unless the
Company requests and is granted a one-year deferral of such reductions. In
addition, the borrowing base may be reduced if the Company sells a portion of
its oil and gas properties. As of December 31, 1996, the borrowing base under
the Revolving Credit Facility remained at $50 million.
 
     As of February 24, 1997, the Company was in the process of amending and
restating its Revolving Credit Facility and had obtained commitments from all
lenders which will increase the facility size to $150 million and the borrowing
base to $100 million.
 
     The Company's ability to draw additional amounts on the Revolving Credit
Facility is limited to the extent that adjusted consolidated net tangible assets
(as defined in the Credit Agreement) minus $25 million exceeds 110% of all
indenture indebtedness (as defined in the Credit Agreement), excluding
subordinated indebtedness. Adjusted consolidated net tangible assets is
determined quarterly, utilizing certain financial information, and is primarily
based on a quarterly estimate of the present value of future net revenues of the
 
                                      F-16
<PAGE>   77
 
                               OCEAN ENERGY, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
Company's proved oil and gas reserves. Such quarterly estimates utilize the most
recent year end oil and gas prices and vary based on additions to proved
reserves and net production. As of December 31, 1996, the Company's outstanding
balance was $2.0 million, all of which represented letters of credit, primarily
associated with bonding for future abandonment obligations, and thus the Company
had remaining availability of $48.0 million.
 
     At the Company's option, borrowings under the Revolving Credit Facility
bear interest either at the base rate (the higher of the federal funds rate plus
0.5% per annum or the Agent's prime commercial lending rate) or the London
Interbank Offered Rate ("LIBOR"), in each case plus the applicable margin. The
applicable margin will be from 125 to 175 basis points for LIBOR loans and from
zero to 50 basis points for the base rate loans.
 
     The loan agreement for the Revolving Credit Facility contains restrictive
covenants substantially similar to those for the Senior Notes. The Revolving
Credit Facility also includes certain additional covenants and restrictions
relating to the activities of the Company which are customary for similar credit
facilities and are not expected to have a material adverse effect on the conduct
of the Company's business.
 
     The Indentures relating to the Senior Notes and the Senior Subordinated
Notes contain certain covenants, including, with limitation, covenants with
respect to the following matters: (i) limitation on indebtedness; (ii)
limitation on restricted payments; (iii) limitation on issuances and sales of
restricted subsidiary stock; (iv) limitation on sale/leaseback transactions; (v)
limitation on transactions with affiliates; (vi) limitation on liens; (vii)
disposition of proceeds of asset sales; (viii) limitation on dividends and other
payment restrictions affecting subsidiaries; and (ix) limitation of mergers,
consolidations and transfers of assets. In addition, the Indenture related to
the Senior Notes includes a covenant with respect to maintenance of adjusted
consolidated net tangible assets, as defined.
 
     Aggregate minimum principal payments for debt and the capital lease at
December 31, 1996, for the next five years are as follows:
 
<TABLE>
<S>                                                          <C>
1997.......................................................  $127,154
1998.......................................................        --
1999.......................................................        --
2000.......................................................        --
2001.......................................................        --
                                                             --------
                                                             $127,154
                                                             ========
</TABLE>
 
     On June 11, 1994, LLC entered into two loan agreements with Joint Energy
Development Investments Limited Partnership ("JEDI"), a venture between
California Public Employees Retirement System and Enron Capital Corp. The first
was a $20 million term loan, bearing interest at 12.5% payable monthly, maturing
on June 11, 1997. The second loan, the development loan, provided for draws up
to a maximum of $40 million, bearing interest at 15% payable monthly. In
connection with this loan, LLC conveyed to JEDI a 20% overriding royalty
interest (defined to be net of production costs) on certain unevaluated
interests (computed prior to the one-eighth override conveyed to a related party
discussed in Note 3) which commenced upon payment in full of the development
loan. This interest was purchased from JEDI in December 1994, for $4.25 million.
Proceeds from the Initial Offerings were used to repay these loans in December
1994.
 
10. EMPLOYEE BENEFIT PLANS
 
     The Company has a 401(k) plan which covers all employees. The Company's
contributions to the plan during 1996, 1995 and 1994 were $521,619, $513,690 and
$432,202, respectively.
 
                                      F-17
<PAGE>   78
 
                               OCEAN ENERGY, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
  Stock-Based Compensation Plans
 
     In October 1995, the FASB issued Statement of Financial Accounting
Standards No. 123 ("SFAS 123"), "Accounting for Stock-Based Compensation,"
effective for the Company for 1996. Under SFAS 123, companies can either record
expense based on the fair value of stock-based compensation upon issuance or
elect to remain under the current "APB Opinion No. 25" method whereby no
compensation cost is recognized upon grant if certain requirements are met. The
Company is continuing to account for its stock-based compensation plans under
APB Opinion No. 25. However, proforma disclosures as if the Company adopted the
cost recognition requirements under SFAS 123 are presented below.
 
     Had compensation for the Company's 1996 and 1995 grants for stock-based
compensation plans been determined consistent with SFAS 123, the Company's net
income and earnings per common share for the years ended December 31, 1996 and
1995 would have approximated the proforma amounts below:
 
<TABLE>
<CAPTION>
                                                       DECEMBER 31,
                                  -------------------------------------------------------
                                             1996                         1995
                                  --------------------------    -------------------------
                                  AS REPORTED     PROFORMA      AS REPORTED       1995
                                  -----------    -----------    -----------    ----------
<S>                               <C>            <C>            <C>            <C>
Net income......................  $20,950,805     19,544,426     $9,902,295    $9,779,272
Earnings per common share
  Primary.......................  $      1.07           1.00     $      .65    $      .65
  Fully Diluted.................         1.05           0.98            .65           .64
</TABLE>
 
     The effects of applying SFAS 123 in this proforma disclosure are not
indicative of future amounts. SFAS 123 does not apply to grants prior to 1995,
and additional awards in the future are anticipated.
 
     Prior to consummation of the Initial Offerings, the Board of Directors
adopted and the stockholders approved a long-term incentive plan. The plan
provides for not more than 1,500,000 shares of common stock to be issued to
employees and directors of the Company. In 1995, the Board of Directors also
adopted and the stockholders approved a long-term incentive plan for
non-executive employees. This plan has an evergreen provision which replenishes
options available for grant to 300,000 on January 1 of each year. In 1996,
pending approval of the stockholders at the Annual Meeting, the Board of
Directors adopted a plan which provides for not more than 1,000,000 shares of
common stock to be issued to employees of the Company. Upon consummation of the
Initial Offerings, the Company issued 645,000 stock options with an exercise
price of $10.00 per share, the fair value at the date of grant. The options vest
equally over a three-year period and terminate ten years from date of grant. A
summary of the Company's stock options under both plans as of December 31, 1996
and 1995 and changes during the years ended on those dates is presented below:
 
<TABLE>
<CAPTION>
                                                            DECEMBER 31,
                                        ----------------------------------------------------
                                                  1996                        1995
                                        ------------------------    ------------------------
                                        NUMBER OF    WGTD. AVG.     NUMBER OF    WGTD. AVG.
                                         OPTIONS     EXER. PRICE     OPTIONS     EXER. PRICE
                                        ---------    -----------    ---------    -----------
<S>                                     <C>          <C>            <C>          <C>
Outstanding at beginning of year......  1,495,500      $11.13         645,000      $10.00
Granted...............................    693,500       24.91         856,500       11.97
Canceled..............................   (195,167)      11.09          (6,000)       9.38
Exercised.............................    (96,531)      10.06              --          --
                                        ---------                   ---------
Outstanding at end of year............  1,897,302      $16.23       1,495,500      $11.13
Options exercisable at year-end.......    565,580      $11.01         261,667      $10.31
Options available for future grant....        542                     131,032
Weighted average fair value of options
  granted during the year.............  $   11.48                   $    4.66
</TABLE>
 
                                      F-18
<PAGE>   79
 
                               OCEAN ENERGY, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     The fair value of each option granted during the periods presented is
estimated on the date of grant using the Black-Scholes option-pricing model with
the following assumptions: (i) dividend yield of 0%, (ii) expected volatility of
41.16% and 35.07% in the years 1996 and 1995, respectively, (iii) risk-free
interest rate of 6.21% and 5.58% in the years 1996 and 1995, respectively, and
(iv) expected life of 5 years.
 
<TABLE>
<CAPTION>
                                       OPTIONS OUTSTANDING                    OPTIONS EXERCISABLE
                          ---------------------------------------------    -------------------------
                                                                             NUMBER
        RANGE OF            NUMBER          WGTD. AVG.       WGTD. AVG.    EXERCISABLE    WGTD. AVG.
        EXERCISE          OUTSTANDING       REMAINING         EXERCISE         AT          EXERCISE
         PRICES           AT 12/31/96    CONTRACTUAL LIFE      PRICE        12/31/96        PRICE
        --------          -----------    ----------------    ----------    -----------    ----------
<S>                       <C>            <C>                 <C>           <C>            <C>
$9 -- $19 ..............   1,214,802             8             11.26         565,580        11.01
$19 -- $29 ..............    389,500            10             19.40              --        --
$29 -- $39 ..............    293,000            10             32.59              --        --
                           ---------            --             -----         -------        -----
$9 -- $39 ..............   1,897,302             9             16.23         565,580        11.01
                           =========            ==             =====         =======        =====
</TABLE>
 
     In addition, in 1995, the Company issued 4,125 shares of stock which are
considered bonus shares.
 
     The Company is self-insured for employee medical benefits up to certain
stop-loss limits.
 
     The Company has no other significant formal benefit plans.
 
11. MAJOR CUSTOMERS
 
     The Company sold the majority of its oil and gas to a few customers based
on long-term contracts in 1996 and prior years. Sales to the following customers
exceeded 10% of revenues during the years indicated (expressed in thousands):
 
<TABLE>
<CAPTION>
                                                         1996       1995       1994
                                                       --------    -------    -------
<S>                                                    <C>         <C>        <C>
Enron Corp., its subsidiaries and affiliates.........  $ 33,074    $17,431    $73,658
Shell Oil Company....................................   110,131     79,927         --
Murphy Oil USA, Inc..................................    23,338     24,193         --
</TABLE>
 
12. COMMITMENTS AND CONTINGENCIES
 
     While the Company is a defendant in various lawsuits in the ordinary course
of business, management believes the potential liability in such lawsuits is not
material. The Company maintains liability and other insurance customary in its
industry. The Company is also subject to contingencies as a result of
environmental laws and regulations. The related future cost is indeterminable
due to such factors as the unknown timing and extent of the corrective actions
that may be required and the application of joint and several liability.
However, the Company believes that such costs will not have a material adverse
effect on its operations or financial position.
 
     The Company, as operator, is responsible for payment of plugging and
abandonment costs on its properties. As of December 31, 1996, the total estimate
of these costs on the Company's oil and gas properties was approximately $84.0
million, estimated to be incurred through the year 2011. The provision for such
costs is recorded through depreciation, depletion and amortization expense. The
estimates of plugging and abandonment costs and their timing may change due to
many factors including, among others, actual production results, inflation
rates, and changes in environmental laws and regulations.
 
     In August 1993, the Minerals Management Service ("MMS") provided notice to
lessees of Outer Continental Shelf ("OCS") leases that new levels of lease and
area wide bonds would be required effective November 26, 1993, in connection
with the plugging and abandoning of wells located offshore and the removal of
all production facilities. The coverage is designed to reflect an appropriate
balance between encouraging the maximum economic recovery of oil and natural gas
from federal offshore leases while providing the federal
 
                                      F-19
<PAGE>   80
 
                               OCEAN ENERGY, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
government an adequate level of protection in the event the lessee defaults on
its obligations to properly abandon lease wells and remove platforms and other
structures from the property.
 
     The MMS requires lessees of OCS properties to post bonds in connection with
the plugging and abandonment of wells located offshore and the removal of all
production facilities. Operators in the OCS waters of the Gulf of Mexico are
currently required to post area wide bonds of $3 million or $500,000 per
producing lease and supplemental bonds at the discretion of the MMS. On January
17, 1995, the Company entered into an agreement with Planet Indemnity Company
("Planet") whereby Planet agreed to issue $11.7 million of MMS surety bonds for
the Company and the Company agreed to post collateral for same in favor of
Planet. The collateral includes a mortgage on the Company's federal OCS leases
in the amount of $8.2 million, a letter of credit for $2.0 million and a pledge
of certain rights to escrowed funds. The Company has posted with the MMS an area
wide bond of $3.0 million and supplemental bonds totaling $17.1 million.
Pursuant to a schedule previously imposed by the MMS, the Company will be
required to post additional supplemental bonds up to a level of $24.6 million by
January 1999, unless the Company is determined by the MMS to be exempt from such
requirement due to certain financial tests. In addition, the Company is
currently working with the MMS to determine the level of supplemental bonding
(and the timing thereof) which will be required for some of the recently
acquired Central Gulf Properties. The Company does not anticipate that the cost
of any such bonding requirements will materially affect the Company's financial
position. Under certain circumstances, the MMS may require any Company
operations on federal leases to be suspended or terminated. Any such suspensions
or terminations could have a material adverse effect on the Company's financial
condition and operations. The MMS also intends to adopt financial responsibility
regulations under the Oil Pollution Act of 1990 (the "OPA"). The OPA regulations
impose a variety of regulations on "responsible parties" related to the
prevention of oil spills and liability for damages resulting from such spills in
United States waters. A "responsible party" includes the owner or operator of a
facility or vessel, or the lessee or permittee of an area in which an offshore
facility is located. The OPA assigns liability to each responsible party for oil
removal costs and a variety of public and private damages. While liability
limits apply in some circumstances, a party cannot take advantage of liability
limits if the spill was caused by gross negligence or willful misconduct or
resulted from violation of a federal safety, construction or operating
regulation. If the party fails to report a spill or to cooperate fully in the
cleanup, liability limits likewise do not apply. Few defenses exist to the
liability imposed by the OPA.
 
     The OPA also imposes ongoing requirements on a responsible party, including
proof of financial responsibility to cover at least some costs in a potential
spill. As amended by the Coast Guard Authorization Act of 1996, OPA requires
responsible parties for offshore facilities to provide financial assurance in
the amount of $35 million to cover potential OPA liabilities. This amount is
subject to upward regulatory adjustment up to $150 million.
 
     In 1996, Statement of Position 96-1 ("SOP 96-1") -- Environmental
Remediation Liabilities was issued. The Company is required to adopt SOP 96-1 in
1997. The Company believes adoption of SOP 96-1 will not have a material effect
on its results of operations or financial position.
 
     Total rental expenses under operating leases amounted to approximately
$690,000, $527,000 and $297,000 in 1996, 1995 and 1994, respectively.
 
     In connection with the Initial Offerings, the Company entered into a
Registration Rights Agreement (the "Registration Agreement") entitling Enron to
require the Company to register common stock of the Company owned by Enron with
the Securities and Exchange Commission (the "SEC") for sale to the public in a
public offering, at no cost to Enron except for discounts and commissions, if
any. During 1996, the unregistered shares subject to the Registration Agreement
were transferred by Enron to Merrill Lynch Capital Markets, plc., together with
Enron's rights under the Registration Agreement.
 
                                      F-20
<PAGE>   81
 
                               OCEAN ENERGY, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
13. HEDGING ACTIVITIES
 
     The Company hedges certain of its production through master swap agreements
("Swap Agreements"). The Swap Agreements provide for separate contracts tied to
the NYMEX light sweet crude oil and natural gas futures contracts. The Company
has contracts which contain specific contracted prices ("Swaps") that are
settled monthly based on the differences between the contract prices and the
average NYMEX prices for each month applied to the related contract volumes. To
the extent the average NYMEX price exceeds the contract price, the Company pays
the spread, and to the extent the contract price exceeds the average NYMEX price
the Company receives the spread. In addition, the Company has combined contracts
which have agreed upon price floors and ceilings ("Costless Collars"). To the
extent the average NYMEX price exceeds the contract ceiling, the Company pays
the spread between the ceiling and the average NYMEX price applied to the
related contract volumes. To the extent the contract floor exceeds the average
NYMEX price, the Company receives the spread between the contract floor and the
average NYMEX price applied to the related contract volumes. Under the terms of
the Swap Agreements, each counterparty has extended the Company a $5 million
line of credit for use in conjunction with its hedging activities. As of
February 24, 1997, the fair market value of all contracts covered by the Swap
Agreements was approximately $0.6 million.
 
     As of December 31, 1996, after giving effect to three additional oil Swaps
that the Company entered into in February 1997, the Company's open forward
position on its outstanding crude oil Swaps was as follows:
 
<TABLE>
<CAPTION>
                                                                       AVERAGE
                                                              MBBLS     PRICE
                                                              -----    -------
<S>                                                           <C>      <C>
1997........................................................  1,500    $19.73
1998........................................................   300      18.55
1999........................................................   300      18.55
2000........................................................   300      18.55
                                                              -----    ------
                                                              2,400    $19.29
                                                              =====    ======
</TABLE>
 
     The Company currently has no outstanding natural gas Swaps.
 
     As of December 31, 1996, after giving effect to three additional Costless
Collars entered into through February 24, 1997, the Company's open forward
position on its outstanding Costless Collars was as follows:
 
<TABLE>
<CAPTION>
                                                          CONTRACTED    CONTRACTED    CONTRACTED
                                                           VOLUMES        FLOOR        CEILING
            YEAR                FROM         THROUGH       (MBBLS)        PRICE         PRICE
            ----                ----         -------      ----------    ----------    ----------
<S>                           <C>          <C>            <C>           <C>           <C>
1997........................   January        March           600         $21.00        $24.45
1997........................   January        June          1,200         $20.00        $24.25
1997........................    April         June            375         $20.00        $25.14
1997........................    July        September         900         $20.00        $24.40
</TABLE>
 
     Revenue was increased (decreased) under the Swap Agreements by
approximately $(18.7) million, $(0.5) million and $1.7 million, respectively,
for the years ended December 31, 1996, 1995 and 1994.
 
                                      F-21
<PAGE>   82
 
                               OCEAN ENERGY, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
14. FAIR VALUE OF FINANCIAL INSTRUMENTS
 
     The estimated fair value as of December 31, 1996 and 1995, of financial
instruments other than current assets and liabilities is presented in the
following table:
 
<TABLE>
<CAPTION>
                            ESTIMATED FAIR   ESTIMATED FAIR   ESTIMATED FAIR   ESTIMATED FAIR
                                VALUE            VALUE            VALUE            VALUE
                            --------------   --------------   --------------   --------------
<S>                         <C>              <C>              <C>              <C>
Debt
  Senior Notes............   $ 125,000,000)   $ 149,375,000)   $(125,000,000)   $(141,875,000)
  Senior Subordinated
     Notes................    (159,141,999)    (168,690,519)              --               --
  Shell Note..............              --               --      (15,183,735)     (15,094,232)
  Revolving Credit
     Facility.............              --               --      (32,200,000)     (32,200,000)
                             -------------    -------------    -------------    -------------
                             $(284,141,999)   $(318,065,519)   $(172,383,735)   $(189,169,232)
                             =============    =============    =============    =============
Hedges
  Gas.....................   $          --    $          --    $          --    $  (2,423,240)
  Oil.....................              --       (4,555,720)              --          950,750
                             -------------    -------------    -------------    -------------
                             $          --    $  (4,555,720)   $          --    $  (1,472,490)
                             =============    =============    =============    =============
</TABLE>
 
15. OIL AND GAS RESERVE INFORMATION -- UNAUDITED
 
     The Company's net proved oil and gas reserves at December 31, 1996, 1995
and 1994, have been determined by independent petroleum consultants in
accordance with guidelines established by the SEC and the Financial Accounting
Standards Board. Accordingly, the following reserve estimates are based upon
existing economic and operating conditions at the respective dates. Future cash
flows from oil and natural gas reserves were computed on the basis of prices
being received at year end for oil and natural gas, adjusted for hedges in place
at that date and the Company's policy regarding fuel gas.
 
     There are many uncertainties inherent in estimating quantities of proved
reserves and in providing the future rates of production and timing of
development expenditures. The following reserve data represent estimates only
and should not be construed as being exact. In addition, the present values
should not be construed as the current market value of the Company's oil and gas
properties or the cost that would be incurred to obtain equivalent reserves.
 
                                      F-22
<PAGE>   83
 
                               OCEAN ENERGY, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     The following tables set forth an analysis of the Company's estimated
quantities of net proved and proved developed oil (includes condensate) and gas,
all located offshore in the continental United States:
 
<TABLE>
<CAPTION>
                                                               OIL     NATURAL GAS(1)
                                                              (MBBL)       (MMCF)
                                                              ------   --------------
<S>                                                           <C>      <C>
Proved reserves as of December 31, 1993.....................  21,093       52,724
  Revisions of previous estimates...........................   1,979        7,294
  Extensions, discoveries, and other additions..............     688        2,775
  Repurchase of production payment..........................   6,111       19,523
  Purchase of producing properties..........................   5,944        7,708
  Production (sold by the Company)..........................  (2,771)      (3,456)
  Production (consumed by the Company)......................      --       (3,220)
                                                              ------      -------
Proved reserves as of December 31, 1994.....................  33,044       83,348
  Revisions of previous estimates...........................   4,857        9,093
  Extensions, discoveries, and other additions..............   1,640       10,647
  Purchase of producing properties..........................     345           85
  Production (sold by the Company)..........................  (6,057)     (12,393)
  Production (consumed by the Company)......................      --       (3,576)
                                                              ------      -------
Proved reserves as of December 31, 1995.....................  33,829       87,204
  Revisions of previous estimates...........................   2,546       23,935
  Extensions, discoveries, and other additions..............   9,766       31,060
  Sale of production properties.............................    (450)      (9,929)
  Purchase of producing properties..........................  12,234       35,171
  Production (sold by the Company)..........................  (7,149)     (18,720)
  Production (consumed by the Company)......................      --       (3,363)
                                                              ------      -------
Proved reserves as of December 31, 1996.....................  50,776      145,358
                                                              ======      =======
Proved developed reserves:
  As of December 31, 1994...................................  30,088       77,019
  As of December 31, 1995...................................  31,702       84,258
  As of December 31, 1996...................................  38,347      109,574
</TABLE>
 
- ---------------
 
(1) The Company includes as proven reserves, future gas production estimated by
    Netherland, Sewell & Associates, Inc., to be used as fuel gas.
 
     The following table presents the standardized measure of future net cash
flows related to proved oil and gas reserves together with changes therein, as
defined by the Financial Accounting Standards Board. The oil, condensate and gas
price structure utilized to project future net cash flows reflects current
prices at each year end and have been escalated only where known and
determinable price changes are provided by contracts and law. Crude prices have
declined significantly from December 31, 1996. Accordingly, the discounted
future net cash flows would be reduced if the standardized measure was
calculated at the latter date. Future production
 
                                      F-23
<PAGE>   84
 
                               OCEAN ENERGY, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
and development costs are based on current costs with no escalations. Estimated
future cash flows have been discounted to their present values based on a 10%
annual discount rate.
 
<TABLE>
<CAPTION>
                                                    STANDARDIZED MEASURE AS OF DECEMBER 31,
                                                    ----------------------------------------
                                                        1996          1995          1994
                                                    ------------   -----------   -----------
                                                                 (IN THOUSANDS)
<S>                                                 <C>            <C>           <C>
Future cash flows.................................    $1,789,544     $ 762,488     $ 645,091
Future production, development and abandonment
  costs...........................................      (907,770)     (482,658)     (433,193)
Income tax provision..............................      (204,733)      (36,712)      (11,530)
                                                      ----------     ---------     ---------
Future net cash flows.............................       677,041       243,118       200,368
10% annual discount...............................      (144,549)      (39,178)      (35,390)
                                                      ----------     ---------     ---------
Standardized measure of discounted future net
  cash flows......................................    $  532,492     $ 203,940     $ 164,978
                                                      ==========     =========     =========
</TABLE>
 
<TABLE>
<CAPTION>
                                                      CHANGES IN STANDARDIZED MEASURE
                                                        PERIODS ENDED DECEMBER 31,
                                                      -------------------------------
                                                        1996        1995       1994
                                                      ---------   --------   --------
                                                              (IN THOUSANDS)
<S>                                                   <C>         <C>        <C>
Standardized measure at beginning of period.........  $ 203,940   $164,978   $ 13,175
Sales and transfers of oil and gas produced, net of
  production costs..................................   (159,361)   (87,924)   (21,214)
Changes in price, net of future production costs....    242,943     61,865     34,412
Extensions and discoveries, net of future production
  and development costs.............................    215,013     46,429     14,397
Repurchase of production payment....................         --         --    106,572
Reserves transferred for resale.....................    (10,009)        --         --
Previously estimated development and abandonment
  costs incurred during the period..................     10,453     19,132      8,606
Revisions of quantity estimates.....................     88,994     46,761      8,184
Accretion of discount...............................     20,394     17,474      2,352
Net change in income taxes..........................   (130,226)   (21,034)    (9,762)
Purchase of reserves in place.......................    123,284      3,193     17,564
Changes in production rates (timing), estimated
  development and abandonment costs, and other......    (72,933)   (46,934)    (9,308)
                                                      ---------   --------   --------
Standardized measure at end of year.................  $ 532,492   $203,940   $164,978
                                                      =========   ========   ========
</TABLE>
 
16 QUARTERLY FINANCIAL DATA (UNAUDITED)
 
     Summarized unaudited quarterly financial data for 1996 and 1995 are as
follows:
 
<TABLE>
<CAPTION>
                                                              QUARTER ENDED
                                           ---------------------------------------------------
                                           MARCH 31,   JUNE 30,   SEPTEMBER 30,   DECEMBER 31,
                                             1996        1996         1996            1996
                                           ---------   --------   -------------   ------------
                                                  (IN THOUSANDS, EXCEPT PER SHARE DATA)
<S>                                        <C>         <C>        <C>             <C>
Net sales................................   36,829      32,253       47,589          71,780
Gross profit.............................   11,147       6,918       16,487          32,148
Net income...............................    1,901         435        5,363          13,252
Earnings per common share:
  Primary................................     $.12        $.02         $.26            $.63
  Fully diluted..........................     $.12        $.02         $.26            $.63
</TABLE>
 
                                      F-24
<PAGE>   85
 
                               OCEAN ENERGY, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
<TABLE>
<CAPTION>
                                                              QUARTER ENDED
                                           ---------------------------------------------------
                                           MARCH 31,   JUNE 30,   SEPTEMBER 30,   DECEMBER 31,
                                             1995        1995         1995            1995
                                           ---------   --------   -------------   ------------
                                                  (IN THOUSANDS, EXCEPT PER SHARE DATA)
<S>                                        <C>         <C>        <C>             <C>
Net sales................................   26,034      29,838       34,609          37,489
Gross profit.............................    6,354       7,381        8,089          12,016
Net income (loss)........................   (1,062)        811        1,052           9,101
Earnings per common share:
  Primary................................    $(.07)       $.05         $.07            $.60
  Fully diluted..........................    $(.07)       $.05         $.07            $.59
</TABLE>
 
17. EVENTS SUBSEQUENT TO DATE OF AUDITOR'S REPORT (UNAUDITED)
 
     On March 7, 1997, the Company completed an acquisition of certain interests
in various state leases in the Main Pass 69 field, offshore Plaquemines Parish,
Louisiana, from Chevron U.S.A. Inc. for a gross purchase price of $55.7 million.
The acquisition includes interests in 27 producing wells located on 5,898 gross
acres. Post acquisition, the Company owns a 100% working interest in the 27
wells. Current estimated production from the newly acquired interest is
approximately 3,000 BOE per day net to the Company. The Company's ownership now
encompasses a total of approximately 22,000 gross acres in the Main Pass 69
field.
 
                                      F-25
<PAGE>   86
 
                               OCEAN ENERGY, INC.
 
                          CONSOLIDATED BALANCE SHEETS
                                  (UNAUDITED)
 
<TABLE>
<CAPTION>
                                  ASSETS
                                                                JUNE 30,
                                                                  1997
                                                              -------------
<S>                                                           <C>
Current assets:
  Cash and cash equivalents.................................  $          --
  Joint interest receivables................................      5,606,175
  Oil and gas sales receivables.............................     26,964,458
  Accounts receivable -- other..............................      1,607,128
  Assets held for resale....................................             --
  Prepaid expenses..........................................      1,678,046
  Other current assets......................................      3,300,280
                                                              -------------
          Total current assets..............................     39,156,087
Oil and gas properties -- full cost method:
  Evaluated.................................................    641,886,520
  Less accumulated depreciation, depletion, and
     amortization...........................................   (240,271,985)
                                                              -------------
                                                                401,614,535
  Unevaluated properties excluded from amortization.........    119,374,116
Other assets:
  Furniture and equipment, less accumulated depreciation of
     $3,864,729 and $2,772,983 at June 30, 1997 and December
     31, 1996, respectively.................................      4,477,904
  Restricted deposits.......................................      7,391,682
  Deferred financing costs..................................     10,395,938
                                                              -------------
          Total assets......................................  $ 582,410,262
                                                              =============
 
                   LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:
  Accounts payable and accrued liabilities..................  $  76,497,973
  Oil and gas sales payable.................................      6,147,233
  Accrued interest..........................................      5,579,363
  Current notes payable.....................................          9,046
  Deposit on assets held for resale.........................             --
                                                              -------------
          Total current liabilities.........................     88,233,615
Long-term debt..............................................    357,185,997
Deferred hedge revenue......................................        325,393
Deferred tax liability......................................     13,959,897
Stockholders' equity:
  Preferred stock, $.01 par value; authorized 10,000,000
     shares, no shares issued or outstanding at June 30,
     1997 and December 31, 1996.............................             --
  Common stock, $.01 par value; authorized 100,000,000
     shares; issued and outstanding 19,701,344 shares and
     19,640,656 shares at June 30, 1997 and December 31,
     1996, respectively.....................................        197,013
  Paid-in capital...........................................     93,243,783
  Retained earnings.........................................     29,264,564
                                                              -------------
          Total stockholders' equity........................    122,705,360
                                                              -------------
          Total liabilities and stockholders' equity........  $ 582,410,262
                                                              =============
</TABLE>
 
  The accompanying notes to financial statements are an integral part of these
                                  statements.
 
                                      F-26
<PAGE>   87
 
                               OCEAN ENERGY, INC.
 
                     CONSOLIDATED STATEMENTS OF OPERATIONS
                                  (UNAUDITED)
 
<TABLE>
<CAPTION>
                                                                   SIX MONTHS ENDED
                                                                       JUNE 30,
                                                              ---------------------------
                                                                  1997           1996
                                                              ------------    -----------
<S>                                                           <C>             <C>
Oil and gas sales...........................................  $130,068,669    $69,082,019
Operating expenses:
  Lease operations..........................................    27,213,286     16,522,030
  Severance taxes...........................................     5,378,472      5,521,763
  Depreciation, depletion and amortization..................    51,579,763     28,973,040
                                                              ------------    -----------
          Total operating expenses..........................    84,171,521     51,016,833
General and administrative expenses.........................     8,596,487      6,025,000
Interest expense............................................    13,303,415      8,188,026
Other expense (income)......................................      (684,529)         1,779
                                                              ------------    -----------
Net income before income taxes..............................    24,681,775      3,850,381
Income tax expense..........................................     8,554,660      1,514,704
                                                              ------------    -----------
Net income..................................................  $ 16,127,115    $ 2,335,677
                                                              ============    ===========
Earnings per common share:
  Primary...................................................  $       0.77    $      0.13
  Fully diluted.............................................          0.77           0.13
Weighted average common and common equivalent shares
  outstanding:
  Primary...................................................    20,895,285     18,333,437
  Fully diluted.............................................    20,897,654     18,673,211
</TABLE>
 
  The accompanying notes to financial statements are an integral part of these
                                  statements.
 
                                      F-27
<PAGE>   88
 
                               OCEAN ENERGY, INC.
 
                     CONSOLIDATED STATEMENTS OF CASH FLOWS
                                  (UNAUDITED)
 
<TABLE>
<CAPTION>
                                                                    SIX MONTHS ENDED
                                                                        JUNE 30,
                                                              -----------------------------
                                                                  1997             1996
                                                              -------------    ------------
<S>                                                           <C>              <C>
Operating activities:
  Net income................................................  $  16,127,115    $  2,335,677
  Adjustments to reconcile net income to net cash provided
     by operating activities:
     Depreciation, depletion and amortization:
       Oil and gas properties...............................     51,579,763      28,973,040
       Furniture and equipment..............................      1,091,745         632,986
     Deferred hedge revenue.................................        (74,607)       (637,166)
     Deferred tax expense...................................      7,861,753       1,489,400
  Changes in operating assets and liabilities:
     Accrued interest.......................................         58,293      (2,503,810)
     Receivables............................................      3,093,888      (2,976,896)
     Prepaid expenses.......................................       (464,903)       (629,171)
     Other current assets...................................       (885,477)       (945,326)
     Accounts payable and accrued liabilities...............      6,853,367      (3,934,773)
     Oil and gas sales payable..............................     (1,683,182)       (628,316)
                                                              -------------    ------------
Net cash provided by operating activities...................     83,557,755      21,175,645
                                                              -------------    ------------
Investing activities:
  Additions to oil and gas properties and furniture and
     equipment..............................................   (196,226,668)    (39,771,812)
  Increase in restricted deposits...........................     (1,068,167)     (1,010,653)
  Proceeds from sale of oil and gas properties..............     33,480,000              --
                                                              -------------    ------------
Net cash used in investing activities.......................   (163,814,835)    (40,782,465)
                                                              -------------    ------------
Financing activities:
  Sale of stock.............................................      1,424,924      62,141,101
  Borrowings on notes payable...............................    138,500,000      30,000,000
  Payments of notes payable.................................    (65,618,108)    (72,231,443)
  Deferred financing costs..................................        191,286         304,392
                                                              -------------    ------------
Net cash provided by financing activities...................     74,498,102      20,214,050
                                                              -------------    ------------
Increase (decrease) in cash and cash equivalents............     (5,758,978)        607,230
Cash and cash equivalents, beginning of the period..........      5,758,978         212,238
                                                              -------------    ------------
Cash and cash equivalents, end of the period................  $          --    $    819,468
                                                              =============    ============
Interest paid during the period.............................  $  24,183,916    $ 11,917,620
                                                              =============    ============
</TABLE>
 
  The accompanying notes to financial statements are an integral part of these
                                  statements.
 
                                      F-28
<PAGE>   89
 
                               OCEAN ENERGY, INC.
 
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                                  (UNAUDITED)
1. GENERAL INFORMATION
 
     The consolidated financial statements included herein have been prepared by
Ocean Energy, Inc. (the "Company") without audit and include all adjustments (of
a normal and recurring nature) which are, in the opinion of management,
necessary for the fair presentation of interim results which are not necessarily
indicative of results for the entire year. Certain reclassifications have been
made to conform financial statement presentation between periods. The financial
statements should be read in conjunction with the consolidated financial
statements and notes thereto included in the Company's latest annual report.
 
2. EARNINGS PER SHARE
 
     Earnings per share applicable to common stock are based on the weighted
average number of shares of common stock outstanding for the periods, including
common equivalent shares which reflect the effect of stock options, to the
extent that they are dilutive, granted to certain employees and outside
directors on various dates through June 30, 1997. As of June 30, 1997 and 1996,
the Company had 2,510,181 and 1,865,735 stock options outstanding, respectively.
The table below reflects the weighted average common, primary and fully diluted
shares outstanding for the 1997 and 1996 periods.
 
<TABLE>
<CAPTION>
                                         SIX MONTHS ENDED           THREE MONTHS ENDED
                                             JUNE 30,                    JUNE 30,
                                     ------------------------    ------------------------
                                        1997          1996          1997          1996
                                     ----------    ----------    ----------    ----------
<S>                                  <C>           <C>           <C>           <C>
Weighted average common shares
  outstanding......................  19,654,704    17,620,538    19,668,545    19,552,994
Primary common equivalent shares...   1,240,581       712,899     1,231,747       913,002
                                     ----------    ----------    ----------    ----------
Weighted average common and primary
  common equivalent shares
  outstanding......................  20,895,285    18,333,437    20,900,292    20,465,996
Additional fully diluted shares....       2,369       339,774         9,048       189,398
                                     ----------    ----------    ----------    ----------
Weighted average common and fully
  diluted common equivalent shares
  outstanding......................  20,897,654    18,673,211    20,909,340    20,655,394
                                     ==========    ==========    ==========    ==========
</TABLE>
 
     In February 1997, the Financial Accounting Standards Board ("FASB") issued
Statement No. 128 ("SFAS 128"), "Earnings Per Share," which simplifies the
computation of earnings per share ("EPS"). SFAS 128 is effective for financial
statements issued for periods ending after December 15, 1997, and requires
restatement for all prior period EPS data presented. Pro forma EPS and EPS
assuming dilution calculated in accordance with SFAS 128 was $0.32 per share and
$0.30 per share, respectively, for the three months ended June 30, 1997, and
$0.02 per share and $0.02 per share, respectively, for the three months ended
June 30, 1996. Pro forma EPS and EPS assuming dilution calculated in accordance
with SFAS 128 was $0.82 per share and $0.77 per share, respectively, for the six
months ended June 30, 1997, and $0.13 per share and $0.13 per share,
respectively, for the six months ended June 30, 1996.
 
3. HEDGING ACTIVITIES
 
     The Company engages in futures contracts with certain of its production
through master swap agreements ("Swap Agreements"). The Company considers these
futures contracts to be hedging activities and, as such, monthly settlements on
these contracts are reflected in oil and gas sales. In order to consider these
futures contracts as hedges, (i) the Company must designate the futures contract
as a hedge of future production and (ii) the contract must reduce the Company's
exposure to the risk of changes in prices. Changes in the market
 
                                      F-29
<PAGE>   90
 
                               OCEAN ENERGY, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
value of futures contracts treated as hedges are not recognized in income until
the hedged item is also recognized in income. If the above criteria are not met,
the Company will record the market value of the contract at the end of each
month and recognize a related gain or loss. Proceeds received or paid relating
to terminated contracts or contracts that have been sold are amortized over the
original contract period and reflected in oil and gas sales.
 
     The Swap Agreements provide for separate contracts tied to the NYMEX light
sweet crude oil and natural gas futures contracts. The Company has contracts
which contain specific contracted prices ("Swaps") that are settled monthly
based on the differences between the contract prices and the average NYMEX
prices for each month applied to the related contract volumes. To the extent the
average NYMEX price exceeds the contract price, the Company pays the spread, and
to the extent the contract price exceeds the average NYMEX price the Company
receives the spread. In addition, the Company has combined contracts which have
agreed upon price floors and ceilings ("Costless Collars"). To the extent the
average NYMEX price exceeds the contract ceiling, the Company pays the spread
between the ceiling and the average NYMEX price applied to the related contract
volumes. To the extent the contract floor exceeds the average NYMEX price the
Company receives the spread between the contract floor and the average NYMEX
price applied to the related contract volumes adjustments to oil and gas sales.
Under the terms of the Swap Agreements, each counterparty has extended the
Company a $5 million line of credit in conjunction with its hedging activities.
As of August 6, 1997, the Company's exposure under all contracts covered by the
Swap Agreements was approximately $3.3 million.
 
     As of June 30, 1997, after giving effect to the additional oil Swaps that
the Company entered into in July 1997, the Company's open forward position on
its outstanding crude oil Swaps was as follows:
 
<TABLE>
<CAPTION>
                                                                       AVERAGE
YEAR                                                          MBBLS     PRICE
- ----                                                          -----    -------
<S>                                                           <C>      <C>
1997........................................................  1,500    $19.89
1998........................................................  3,600    $19.65
1999........................................................   300     $18.55
2000........................................................   300     $18.55
                                                              -----    ------
          Total.............................................  5,700    $19.60
                                                              =====    ======
</TABLE>
 
     The Company currently has no outstanding natural gas Swaps.
 
     As of June 30, 1997, the Company's open forward position on its outstanding
Costless Collars was as follows:
 
<TABLE>
<CAPTION>
                                     EFFECTIVE        CONTRACTED    CONTRACTED    CONTRACTED
                                 -----------------     VOLUMES        FLOOR        CEILING
YEAR                             FROM     THROUGH      (MBBLS)        PRICE         PRICE
- ----                             ----    ---------    ----------    ----------    ----------
<S>                              <C>     <C>          <C>           <C>           <C>
1997...........................  July    September       900          $20.00        $24.40
</TABLE>
 
     On March 7, 1997, the Company entered into a basis swap for 9,000 barrels
of oil per month for the period April 1997, through July 1997, with a fixed
price of ($0.11) per barrel basis differential between the monthly calendar
average of Platt's Louisiana Light Sweet and Platt's West Texas Intermediate
crude oil prices.
 
     In addition, on April 7, 1997, the Company entered into a field diesel swap
for 150,000 gallons per month for the month of April 1997, and August 1997
through March 1998, relating to expected future diesel needs. This swap
obligates the Company to make or receive payments on the last day of each
respective calendar month based on the difference between $0.5425 per gallon and
the average of the daily settlement price per gallon for the respective calendar
month Platt's Gulf Coast Pipeline mean high sulfur No. 2 oil contract.
 
                                      F-30
<PAGE>   91
 
                               OCEAN ENERGY, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
4. INVESTMENTS IN OIL AND GAS PROPERTIES
 
     On January 3, 1997, the Company completed the sale of its interest in the
South Marsh Island 269 field, located in federal waters offshore Louisiana. The
Company realized proceeds of $37.2 million from the sale. The Company owned a
non-operated working interest of approximately 20% in three blocks in the field.
No gain or loss was recognized on the sale.
 
     On March 7, 1997, the Company completed an acquisition of certain interests
in various state leases in the Main Pass Block 69 field, offshore Plaquemines
Parish, Louisiana for a net purchase price of $55.9 million (the "Main Pass
Acquisition"). The acquisition included interests in 27 producing wells located
on 5,898 gross acres situated contiguous to the Company's pre-existing Main Pass
69 holdings. Following the acquisition, the Company owns a 100% working interest
in the 27 wells.
 
5. 8 7/8% SENIOR SUBORDINATED NOTES OFFERING
 
     On July 2, 1997, the Company completed an offering of $200,000,000 of
8 7/8% Senior Subordinated Notes due 2007 (the "Notes") at a discount for
proceeds of $199,660,000 (before offering costs). Interest will be payable
semi-annually on January 15 and July 15 of each year commencing January 15,
1998. Proceeds to the Company were approximately $195.2 million, which were used
primarily to finance the repurchase of the 13 1/2% Senior Notes (See Note 6) and
to repay outstanding indebtedness under the Company's $150 million amended and
restated senior revolving bank credit facility dated March 27, 1997 (the
"Revolving Credit Facility"). The remainder of the proceeds will be used for
general corporate and working capital purposes. On August 1, 1997, the Company
filed a registration statement to register notes with the Securities and
Exchange Commission which were identical to the Notes issued on July 2, 1997, in
order to exchange these Notes for registered notes.
 
6. REPURCHASE OF 13 1/2% SENIOR NOTES
 
     On July 22, 1997, the Company amended the Indenture governing the $125
million 13 1/2% Senior Notes due 2004 (the "13 1/2% Senior Notes"), removing the
principal restrictive covenants and repurchased approximately 99.8% of the
13 1/2% Senior Notes for approximately $153.4 million. In the third quarter of
1997, the Company will recognize an after-tax extraordinary loss of
approximately $19.3 million relating to the aforementioned repurchase.
 
7. NEW ACCOUNTING STANDARDS
 
     In June 1997, the FASB issued Statement No. 130 ("SFAS 130"), "Reporting
Comprehensive Income," and Statement No. 131 ("SFAS 131"), "Disclosures About
Segments of an Enterprise and Related Information." SFAS 130 establishes
standards for reporting and display of comprehensive income in the financial
statements. Comprehensive income is the total of net income and all other
non-owner changes in equity. SFAS 131 requires that companies disclose segment
data based on how management makes decisions about allocating resources to
segments and measuring their performance. SFAS 130 and 131 are effective for
1998. Adoption of these standards is not expected to have an effect on the
Company's financial statements, financial position or results of operations.
 
                                      F-31
<PAGE>   92
 
======================================================
 
  NO DEALER, SALESPERSON OR OTHER INDIVIDUAL HAS BEEN AUTHORIZED TO GIVE ANY
INFORMATION OR TO MAKE ANY REPRESENTATIONS OTHER THAN THOSE CONTAINED OR
INCORPORATED BY REFERENCE IN THIS PROSPECTUS IN CONNECTION WITH THE OFFERING
HEREIN, AND, IF GIVEN OR MADE, SUCH INFORMATION OR REPRESENTATIONS MUST NOT BE
RELIED UPON AS HAVING BEEN AUTHORIZED BY THE COMPANY OR THE UNDERWRITERS. THIS
PROSPECTUS DOES NOT CONSTITUTE AN OFFER TO SELL, OR A SOLICITATION OF AN OFFER
TO BUY ANY SECURITIES OTHER THAN THOSE SPECIFICALLY OFFERED HEREBY IN ANY
JURISDICTION TO ANY PERSON TO WHOM IT IS UNLAWFUL TO MAKE SUCH OFFER OR
SOLICITATION IN SUCH JURISDICTION. NEITHER THE DELIVERY OF THIS PROSPECTUS NOR
ANY SALE MADE HEREUNDER SHALL, UNDER ANY CIRCUMSTANCES, CREATE ANY IMPLICATION
THAT THE INFORMATION HEREIN IS CORRECT AS OF ANY TIME SUBSEQUENT TO ITS DATE.
 
                             ---------------------
 
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                       PAGE
                                       ----
<S>                                    <C>
Prospectus Summary...................     3
Disclosure Regarding Forward-Looking
  Statements.........................    11
Risk Factors.........................    11
Use of Proceeds......................    16
Capitalization.......................    17
Price Range of Common Stock and
  Dividend Policy....................    18
Selected Historical Financial and
  Operating Data.....................    19
Management's Discussion and Analysis
  of Financial Condition and Results
  of Operations......................    21
Business.............................    34
Management...........................    51
Selling Stockholders.................    53
Underwriting.........................    54
Legal Matters........................    55
Experts..............................    55
Available Information................    55
Incorporation of Certain Documents by
  Reference..........................    55
Glossary of Certain Oil and Gas
  Terms..............................    57
Index to Financial Statements........   F-1
</TABLE>
 
======================================================
 
======================================================
                                4,100,000 SHARES
 
                           [OCEAN ENERGY, INC. LOGO]
 
                                  COMMON STOCK
 
                          ---------------------------
 
                                   PROSPECTUS
                          ---------------------------
 
                              MERRILL LYNCH & CO.
 
                                LEHMAN BROTHERS
 
                                 HOWARD, WEIL,
                             LABOUISSE, FRIEDRICHS
                                  INCORPORATED
 
                           MORGAN STANLEY DEAN WITTER
 
                              PETRIE PARKMAN & CO.
 
                               SMITH BARNEY INC.
 
                                                                          , 1997
 
======================================================
<PAGE>   93
 
                                    PART II
 
                     INFORMATION NOT REQUIRED IN PROSPECTUS
 
ITEM 14. OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION
 
     Set forth below are the expenses (other than underwriting discounts and
commissions) expected to be incurred in connection with the issuance and
distribution of the securities registered hereby. With the exception of the
Securities and Exchange Commission registration fee and the NASD filing fee, the
amounts set forth below are estimates.
 
<TABLE>
<S>                                                           <C>
Securities and Exchange Commission registration fee.........  $    92,827
NASD filing fee.............................................       30,000
New York Stock Exchange Fees................................       17,500
Printing and engraving costs................................      175,000
Legal fees and expenses.....................................       80,000
Accounting fees and expenses................................       35,000
Miscellaneous expenses......................................      119,673
                                                              -----------
          Total.............................................  $   550,000
                                                              ===========
</TABLE>
 
ITEM 15. INDEMNIFICATION OF DIRECTORS AND OFFICERS
 
     Subsection (a) of Section 145 of the General Corporation Law of the State
of Delaware empowers a corporation to indemnify any person who was or is a party
or is threatened to be made a party to any threatened, pending or completed
action, suit or proceeding, whether civil, criminal, administrative or
investigative (other than an action by or in the right of the corporation) by
reason of the fact that he is or was a director, officer, employee or agent of
the corporation, or is or was serving at the request of the corporation as a
director, officer, employee or agent of another corporation, partnership, joint
venture, trust or other enterprise, against expenses (including attorneys'
fees), judgments, fines and amounts paid in settlement actually and reasonably
incurred by him in connection with such action, suit or proceeding if he acted
in good faith and in a manner he reasonably believed to be in or not opposed to
the best interests of the corporation, and, with respect to any criminal action
or proceeding, had no reasonable cause to believe his conduct was unlawful.
 
     Subsection (b) of Section 145 empowers a corporation to indemnify any
person who was or is a party or is threatened to be made a party to any
threatened, pending or completed action or suit by or in the right of the
corporation to procure a judgment in its favor by reason of the fact that such
person acted in any of the capacities set forth above, against expenses
(including attorneys' fees) actually and reasonably incurred by him in
connection with the defense or settlement of such action or suit if he acted in
good faith and in a manner he reasonably believed to be in or not opposed to the
best interests of the corporation, except that no indemnification may be made in
respect of any claim, issue or matter as to which such person shall have been
adjudged to be liable to the corporation unless and only to the extent that the
Court of Chancery or the court in which such action or suit was brought shall
determine upon application that, despite the adjudication of liability but in
view of all the circumstances of the case, such person is fairly and reasonably
entitled to indemnity for such expenses which the Court of Chancery or such
other court shall deem proper.
 
     Section 145 further provides that to the extent a director or officer of a
corporation has been successful on the merits or otherwise in the defense of any
action, suit or proceeding inferred to in subsections (a) and (b) of Section 145
or in the defense of any claim, issue or matter therein, he shall be indemnified
against expenses (including attorneys; fees) actually and reasonably incurred by
him in connection therewith; that indemnification provided for by Section 145
shall not be deemed exclusive of any other rights to which the indemnified party
may be entitled; that indemnification provided by Section 145 shall, unless
otherwise provided when authorized or ratified, continue as to a person who has
ceased to be a director, officer, employee or agent and shall inure to the
benefit of such person's heirs, executors and administrators; and empowers the
corporation to purchase and maintain insurance on behalf of a director or
officer of the corporation against any liability asserted against him and
incurred by him in any such capacity, or arising out of his status as such,
 
                                      II-1
<PAGE>   94
 
whether or not the corporation would have the power to indemnify him against
such liabilities under Section 145.
 
     Section 102(b)(7) of the General Corporation Law of the State of Delaware
provides that a certificate of incorporation may contain a provision eliminating
or limiting the personal liability of a director to the corporation or its
stockholders for monetary damages for breach of fiduciary duty as a director,
provided that such provision shall not eliminate or limit the liability of a
director (i) for any breach of the director's duty of loyalty to the corporation
or its stockholders, (ii) for acts or omissions not in good faith or which
involve intentional misconduct or a knowing violation of law, (iii) under
Section 174 of the Delaware General Corporation Law, or (iv) for any transaction
from which the director derived an improper personal benefit.
 
     Section 7(d) of the Company's Certificate of Incorporation states that:
 
          "A director of the Corporation shall not be personally liable to the
     Corporation or its stockholders for monetary damages for breach of
     fiduciary duty as a director, except for liability (i) for any breach of
     the director's duty of loyalty to the corporation or its stockholders, (ii)
     for acts or omissions not in good faith or which involve intentional
     misconduct or a knowing violation of law, (iii) under Section 174 of the
     General Corporation Law of the State of Delaware, or (iv) for any
     transaction from which the director derived an improper personal benefit.
     If the General Corporation Law of the State of Delaware is amended to
     authorize corporate action further eliminating or limiting the personal
     liability of directors, then the liability of a director of the Corporation
     shall be eliminated or limited to the fullest extent permitted by the
     General Corporation Law of the State of Delaware, as so amended. Any repeal
     or modification of this Section by the stockholders of the Corporation
     shall be prospective only, and shall not adversely affect any limitation on
     the personal liability of a director of the Corporation existing at the
     time of such repeal or modification."
 
     Section 7(c) of the Company's Certificate of Incorporation and Article IX
of the Company's Bylaws further provides that the Company shall indemnify its
officers and directors to the fullest extent permitted by the General
Corporation Law of the State of Delaware. Pursuant to such provision, the
Company has entered into agreements with its officers and directors which
provide for indemnification of such persons.
 
     Pursuant to the Purchase Agreement filed as Exhibit 1.1 hereto, the
Underwriters agree to indemnify, under certain conditions, the Company, its
officers and directors and persons who control the Company within the meaning of
the Securities Act against certain liabilities.
 
     The Company maintains insurance coverage providing directors and officers
with indemnification, subject to certain exclusions and to the extent not
otherwise indemnified by the Company, against loss (including expenses incurred
in the defense of actions, suits or proceeds in connection therewith) arising
from any negligent act, error, omission or breach of duty while acting in their
capacity as directors and officers of the Company. The policies also reimburse
the Company for liability incurred in the indemnification of its directors and
officers.
 
     The Company has entered into indemnification agreements with its directors
and certain executive officers which provide for indemnification of such persons
to the fullest extent allowed by Delaware law.
 
ITEM 16. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES
 
     a. Exhibits
 
<TABLE>
<S>                      <S>
          *1.1           -- Form of Underwriting Agreement
           5.1           -- Opinion of Andrews & Kurth L.L.P., as to the legality of
                            the securities being registered
          23.1           -- Consent of Arthur Andersen LLP
          23.2           -- Consent of Netherland, Sewell & Associates, Inc.
          23.3           -- Consent of Andrews & Kurth L.L.P. (included in Exhibit
                            5.1)
          24.1           -- Power of Attorney (included on signature page)
</TABLE>
 
- ---------------
 
* To be filed by Amendment
 
                                      II-2
<PAGE>   95
 
     All financial statements schedules are omitted because the information is
not required, is not material or is otherwise included in the financial
statements or related notes thereto.
 
ITEM 17. UNDERTAKINGS
 
     The undersigned Registrant hereby undertakes that, for purposes of
determining any liability under the Securities Act of 1933, each filing of the
Registrant's annual report pursuant to section 13(a) or section 15(d) of the
Securities Exchange Act of 1934 (and, where applicable, each filing of an
employee benefit plan's annual report pursuant to section 15(d) of the
Securities Exchange Act of 1934) that is incorporated by reference in the
Registration Statement shall be deemed to be a new Registration Statement
relating to the securities offered therein, and the offering of such securities
at that time shall be deemed to be the initial bona fide offering thereof.
 
     Insofar as indemnification for liabilities arising under the Securities Act
of 1933, as amended (the "Act"), may be permitted to directors, officers and
controlling persons of the Registration pursuant to the foregoing provisions, or
otherwise, the Registrant has been advised that in the opinion of the Securities
and Exchange Commission such indemnification is against public policy as
expressed in the Act and is, therefore, unenforceable. In the event that a claim
for indemnification against such liabilities (other than the payment by the
Registrant of expenses incurred or paid by a director, officer or controlling
person of the Registrant in the successful defense of any action, suit or
proceeding) is asserted by such director, officer or controlling person in
connection with the securities being registered, the Registrant will, unless in
the opinion of its counsel the matter has been settled by controlling precedent,
submit to a court of appropriate jurisdiction the question whether such
indemnification by its is against public policy as expressed in the Act and will
be governed by the final adjudication of such issue.
 
     The undersigned Registrant hereby undertakes that:
 
          (1) For purposes of determining any liability under the Act, the
              information omitted from the form of Prospectus filed as part of
              this Registration Statement in reliance upon Rule 430A and
              contained in a form of Prospectus filed by the Registrant pursuant
              to Rule 424(b)(1) or (4) or 497(h) under the Act shall be deemed a
              part of the Registration Statement as of the time it was declared
              effective.
 
          (2) For purposes of determining any liability under the Act, each
              post-effective amendment that contains a form of Prospectus shall
              be deemed to be a new Registration Statement relating to the
              securities offering therein, and the offering of such securities
              at that time shall be deemed to be the initial bona fide offering
              thereof.
 
                                      II-3
<PAGE>   96
 
                                   SIGNATURES
 
     PURSUANT TO THE REQUIREMENTS OF THE SECURITIES ACT OF 1933, AS AMENDED, THE
REGISTRANT CERTIFIES THAT IT HAS REASONABLE GROUNDS TO BELIEVE THAT IT MEETS ALL
OF THE REQUIREMENTS FOR FILING ON FORM S-3 AND HAS DULY CAUSED THIS REGISTRATION
STATEMENT TO BE SIGNED ON ITS BEHALF BY THE UNDERSIGNED, THEREUNTO DULY
AUTHORIZED, IN THE CITY OF BATON ROUGE, STATE OF LOUISIANA, ON THE 16TH DAY OF
OCTOBER, 1997.
 
                                            OCEAN ENERGY, INC., a Delaware
                                            corporation
 
                                            By:     /s/ JAMES C. FLORES
                                              ----------------------------------
                                                       James C. Flores
                                               Chairman of the Board, President
                                                              and
                                                   Chief Executive Officer
 
                               POWER OF ATTORNEY
 
     Each Person whose signature appears below appoints James C. Flores and
Robert K. Reeves and each of them, any of whom may act without the joinder of
the other, as his true and lawful attorneys-in-fact and agents, with full power
of substitution and resubstitution, of him and in his name, place and stead, in
any and all capacities, to sing any and all amendments (including post-effective
amendments) to this Registration Statement and any Registration Statement
(including any amendment thereto) for this offering that is to be effective upon
filing pursuant to Rule 462(b) under the Securities Act of 1933, as amended, and
to file the same, with all exhibits thereto, and all other documents in
connection therewith, with the Securities and Exchange Commission, granting unto
said attorneys-in-fact and agents full power and authority to do and perform
each and every act and thing requisite and necessary to be done, as fully to all
intents and purposes as he might or would do in person, hereby ratifying and
confirming all that said attorney-in-fact and agents or any of them or their or
his substitute and substitutes, may lawfully do or cause to be done by virtue
hereof.
 
     PURSUANT TO THE REQUIREMENTS OF THE SECURITIES ACT OF 1933, AS AMENDED,
THIS REGISTRATION STATEMENT HAS BEEN SIGNED BY THE FOLLOWING PERSONS IN THE
CAPACITIES INDICATED ON THE 16TH DAY OF OCTOBER, 1997.
 
<TABLE>
<C>                                                      <S>
                 /s/ JAMES C. FLORES                     Chairman of the Board of Directors, President
- -----------------------------------------------------      and Chief Executive Officer (Principal
                   James C. Flores                         Executive Officer)
 
                 /s/ ROBERT L. BELK                      Executive Vice President, Chief Financial
- -----------------------------------------------------      Officer, Treasurer and Director (Principal
                   Robert L. Belk                          Financial and Accounting Officer)
 
            /s/ RICHARD G. ZEPERNICK, JR.                Executive Vice President -- Exploration &
- -----------------------------------------------------      Production and Director
              Richard G. Zepernick, Jr.
 
                 /s/ THOMAS D. CLARK                     Director
- -----------------------------------------------------
                   Thomas D. Clark
 
               /s/ CHARLES F. MITCHELL                   Director
- -----------------------------------------------------
                 Charles F. Mitchell
 
              /s/ WILLIAM W. RUCKS, IV                   Director
- -----------------------------------------------------
                William W. Rucks, IV
 
                /s/ MILTON J. WOMACK                     Director
- -----------------------------------------------------
                  Milton J. Womack
</TABLE>
 
                                      II-4
<PAGE>   97
 
                               INDEX TO EXHIBITS
 
<TABLE>
<CAPTION>
     EXHIBIT NUMBER                              DESCRIPTION
     --------------                              -----------
<C>                      <S>
          *1.1           -- Form of Underwriting Agreement
           5.1           -- Opinion of Andrews & Kurth L.L.P., as to the legality of
                            the securities being registered
          23.1           -- Consent of Arthur Andersen LLP
          23.2           -- Consent of Netherland, Sewell & Associates, Inc.
          23.3           -- Consent of Andrews & Kurth L.L.P. (included in Exhibit
                            5.1)
          24.1           -- Power of Attorney (included on signature page)
</TABLE>
 
- ---------------
 
* To be filed by Amendment
 
     All financial statements schedules are omitted because the information is
not required, is not material or is otherwise included in the financial
statements or related notes thereto.
 
                                      II-5

<PAGE>   1


                                                                   EXHIBIT 5.1


                          [ANDREWS & KURTH LETTERHEAD]


                                October 15, 1997


Board of Directors
Ocean Energy, Inc.
8440 Jefferson Highway, Suite 420
Baton Rouge, Louisiana 70809

Gentlemen:

                  We have acted as counsel to Ocean Energy, Inc., a Delaware
corporation (the "Company"), in connection with the Company's Registration
Statement on Form S-3 (the "Registration Statement") relating to the
registration under the Securities Act of 1933, as amended (the "Securities
Act"), of the offering and sale (the "Offering") of (i) up to an aggregate of
3,500,000 shares of common stock, par value $0.01 per share, of the Company
("Common Stock") being offered by the Company, and (ii) up to an aggregate of
1,215,000 shares of common stock being offered by the selling stockholders (the
"Selling Stockholders") identified in the Registration Statement, including up
to 615,000 of such shares which may be offered by one of the Selling
Stockholders pursuant to the underwriters' over-allotment option. This opinion
also relates to any registration statement of the Company relating to the
registration of additional shares of Common Stock for the Offering pursuant to
Rule 462(b) under the Securities Act. All of the shares of Common Stock offered
by the Company and the Selling Stockholders are collectively referred to herein
as the "Shares."

                  In arriving at the opinions expressed below, we have examined
the Registration Statement, the Prospectus and the originals or copies certified
or otherwise identified to our satisfaction of such other instruments and other
certificates of public officials and officers and representatives of the
Company, and we have made such investigations of law, as we have deemed
appropriate as a basis for the opinions expressed below. In rendering the
opinions expressed below, we have assumed and have not verified that the
signatures on all documents that we have examined are genuine, the authenticity
of all documents submitted to us as originals, the conformity with the authentic
originals of all documents submitted to us as certified, photostatic or faxed
copies, and that all documents in respect of which forms were filed with the
Commission as exhibits to the Registration Statement will conform in all
material respects to the forms thereof that we have examined.

                  Based on the foregoing and on such legal considerations as we
deem relevant, we are of the opinion that:

                  1. The Shares to be sold by the Company as described in the
Registration Statement will be validly issued, fully paid and non-assessable.



<PAGE>   2


Ocean Energy, Inc.
October 15, 1997
Page 2


                  2. The Shares to be sold by the Selling Stockholders as
described in the Registration Statement will be validly issued, fully paid and
non-assessable.

                  This opinion is limited in all respects to federal laws and
the Delaware General Corporation Law. We hereby consent to the use of this
opinion as an exhibit to the Registration Statement and to the reference to our
firm under the caption "Legal Matters" therein. This opinion may be incorporated
by reference in a registration statement of the Company relating to the
registration of additional shares of Common Stock for the Offering pursuant to
Rule 462(b) under the Securities Act, in which case the opinions expressed
herein will apply to the additional shares registered thereunder.


                                                     Very truly yours,

                                                     /s/ Andrews & Kurth L.L.P.

2325/2397/2698



<PAGE>   1
                                                                 EXHIBIT 23.1



                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS


     As independent public accountants, we hereby consent to the use of our
reports (and to all references to our firm) included in or made a part of this
registration statement.



                                                  ARTHUR ANDERSEN LLP


New Orleans, Louisiana
October 15, 1997


<PAGE>   1
                                                                EXHIBIT 23.2


           CONSENT OF INDEPENDENT PETROLEUM ENGINEERS AND GEOLOGISTS

        We hereby consent to the reference to our firm and to our report
effective December 31, 1994; December 31, 1995; and December 31, 1996, in the
Prospectus constituting part of the Registration Statement on Form S-3 of Ocean
Energy, Inc. to be filed with the Securities and Exchange Commission on or about
October 15, 1997.


                                NETHERLAND, SEWELL & ASSOCIATES, INC.


                                /s/ CLARENCE M. NETHERLAND
                                ------------------------------------
                                Clarence M. Netherland
                                Chairman

Dallas, Texas
October 15, 1997



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