ENRON OIL & GAS CO
8-K, 1998-12-23
CRUDE PETROLEUM & NATURAL GAS
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<PAGE>   1
================================================================================


                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 8-K


                 CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d)
                     OF THE SECURITIES EXCHANGE ACT OF 1934
       DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): DECEMBER 14, 1998


                              --------------------


                             ENRON OIL & GAS COMPANY
             (Exact name of registrant as specified in its charter)


<TABLE>
       <S>                                           <C>                            <C>
                  DELAWARE                                1-9743                        47-0684736
         (State or other jurisdiction                (Commission File               (I.R.S. Employer
       of incorporation or organization)                  Number)                   Identification No.)



                 1400 SMITH STREET
                   HOUSTON, TEXAS                                                                77002
        (Address of principal executive offices)                                               (Zip code)
</TABLE>


       Registrant's telephone number, including area code: (713) 853-6161


================================================================================

<PAGE>   2


Item 5.  Other Events

         On December 14, 1998, Enron Oil & Gas Company sold $175 million
principal amount of its 6.00% Notes due December 15, 2008 pursuant to an
underwritten public offering.


Item 7.  Financial Statements, Pro-Forma Financial Information and Exhibits

         (c)      Exhibits

                  1.1      Underwriting Agreement dated December 9, 1998 between
                           Enron Oil & Gas Company and NationsBanc Montgomery
                           Securities LLC and Salomon Smith Barney Inc.

                  1.2      Certificate of Senior Vice President and Chief
                           Financial Officer of Enron Oil & Gas Company
                           establishing the terms of the 6.00% Notes due
                           December 15, 2008.

                  1.3      Specimen of 6.00% Notes due December 15, 2008 in 
                           book-entry form.

                  1.4      Computation of Ratios of Earnings to Fixed Charges.


                                      -1-
<PAGE>   3





                                    SIGNATURE

         Pursuant to the requirements of the Securities Exchange Act of 1934,
the registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.

                                          ENRON OIL & GAS COMPANY



Date: December 14, 1998                   By: /s/ W. C. Wilson
                                              ----------------------------------
                                                   Walter C. Wilson
                                                   Senior Vice President and
                                                     Chief Financial Officer


                                      -2-
<PAGE>   4





                                  EXHIBIT INDEX

<TABLE>
<S>      <C>
1.1      Underwriting Agreement dated December 9, 1998 between Enron Oil & Gas
         Company and NationsBanc Montgomery Securities LLC and Salomon Smith
         Barney Inc.

1.2      Certificate of Senior Vice President and Chief Financial Officer of
         Enron Oil & Gas Company establishing the terms of the 6.00% Notes due
         December 15, 2008.

1.3      Specimen of 6.00% Notes due December 15, 2008 in book-entry form.

1.4      Computation of Ratios of Earnings to Fixed Charges.
</TABLE>







<PAGE>   1



                                                                     EXHIBIT 1.1

                             ENRON OIL & GAS COMPANY

                             UNDERWRITING AGREEMENT


                                                                December 9, 1998




Enron Oil & Gas Company
1400 Smith Street
Houston, Texas  77002

Ladies and Gentlemen:

         NationsBanc Montgomery Securities LLC and Salomon Smith Barney Inc.
(the "Underwriters") understand that Enron Oil & Gas Company, a Delaware
corporation (the "Company"), proposes to issue and sell $175,000,000 aggregate
principal amount of 6.00% Notes due December 15, 2008 (the "Purchased
Securities"), registered on Registration Statement No. 333-44785. Subject to the
terms and conditions set forth herein or incorporated by reference herein and
referred to below, the Company hereby agrees to sell and the Underwriters agree
to purchase, severally and not jointly, the principal amount of such Purchased
Securities set forth below opposite their names at a purchase price equal to
98.801% of the principal amount thereof, plus accrued interest, if any, from
December 14, 1998:

<TABLE>
<CAPTION>
                              Name                                                Principal Amount
                              ----                                                ----------------
           <S>                                                                      <C>
           NationsBanc Montgomery Securities LLC                                    $ 87,500,000
           Salomon Smith Barney Inc.                                                $ 87,500,000
                                                                                     -----------
                    Total                                                           $175,000,000
                                                                                    ============
</TABLE>

         The Underwriters will pay for such Purchased Securities upon
confirmation of delivery thereof at the offices of Bracewell & Patterson,
L.L.P., South Tower Pennzoil Place, 711 Louisiana Street, Suite 2900, Houston,
Texas 77002-2781 at 9:00 a.m. (Houston time) on December 14, 1998.



                                      -1-
<PAGE>   2


         The Purchased Securities shall have the following terms:

             Maturity: December 15, 2008
             Initial Price to Public: 99.451
             Interest Rate: 6.00% per annum
             Redemption Provisions: The Company, at its option, may at any time
                redeem all or any portion of the Purchased Securities, at a
                redemption price equal to the greater of (i) 100% of their
                principal amount or (ii) the sum of the present values of the
                remaining scheduled payments of principal and interest thereon
                discounted to the date of redemption on a semi-annual basis
                (assuming a 360-day year consisting of twelve 30-day months) at
                the applicable Treasury Rate plus 20 basis points, plus accrued
                and unpaid interest to the date of redemption.

                  "Treasury Rate" means, with respect to any redemption date
                applicable to the Purchased Securities, the rate per annum equal
                to the semi-annual equivalent yield to maturity of the
                Comparable Treasury Issue, at a price equal to the applicable
                Comparable Treasury Price.

                  "Comparable Treasury Issue" means, with respect to the
                Purchased Securities, the United States Treasury security
                selected by an Independent Investment Banker as having a
                maturity comparable to the remaining term of the Purchased
                Securities that would be utilized, at the time of selection and
                in accordance with customary financial practice, in pricing new
                issues of corporate debt securities of comparable maturity to
                the remaining term of the Purchased Securities.

                  "Comparable Treasury Price" means, with respect to any
                redemption date applicable to the Purchased Securities, (1) the
                average of the bid and asked prices for the Comparable Treasury
                Issue (expressed in each case as a percentage of its principal
                amount) on the third business day preceding such redemption
                date, as set forth in the daily statistical release (or any
                successor release) published by the Federal Reserve Bank of New
                York and designated "Composite 3:30 p.m. Quotations for U.S.
                Government Securities" or (2) if such release (or any successor
                release) is not published or does not contain such prices on
                such business day, (A) the average of the Reference Treasury
                Dealer Quotations for such redemption date, after excluding the
                highest and lowest such Reference Treasury Dealer Quotations, or
                (B) if the Trustee obtains fewer than four such Reference
                Treasury Dealer Quotations, the average of all such quotations.


                                       -2-
<PAGE>   3


                  "Independent Investment Banker" means, with respect to the
                Purchased Securities offered hereby, an independent investment
                banking institution of national standing appointed by the
                Trustee.

                  "Reference Treasury Dealer" means, with respect to the
                Purchased Securities, at least four primary U.S. Government
                securities dealers as the Company or the Trustee shall select.

                  "Reference Treasury Dealer Quotations" means, with respect to
                each Reference Treasury Dealer and any redemption date, the
                average, as determined by the Trustee, of the bid and asked
                prices for the Comparable Treasury Issue (expressed in each case
                as a percentage of its principal amount) quoted in writing to
                the Trustee by such Reference Treasury Dealer at 5:00 p.m. on
                the third business day preceding such redemption date.

                  Holders of the Purchased Securities to be redeemed will
                receive notice thereof by first-class mail at least 30 and not
                more than 60 days prior to the date fixed for redemption.

             Interest Payment Dates: June 15 and December 15 of each year, 
                commencing June 15, 1999
             Sinking Fund: None
             Date referred to in Section 6(l) of the Standard Provisions: 
                December 14, 1998
             Purchase Price: 98.801% of the principal amount thereof
             Listing: None
             Other Items: References in the Standard Provisions to settlement in
                next business day funds shall refer to settlement in immediately
                available funds pursuant to settlement procedures of The
                Depository Trust Company. In addition, the Company is making the
                representations and warranties attached hereto as Annex A.

         All statements, requests, notices, communications and agreements
hereunder shall be in writing, and if to the Underwriters shall be delivered or
sent by mail, telex or facsimile transmission to the Underwriters in care of
NationsBanc Montgomery Securities LLC, NationsBank Corporate Center, 100 North
Tryon Street, Charlotte, North Carolina 28255, Attention: Phillip R. Bennett,
Facsimile No. (704) 386-7194; and if to the Company shall be delivered or sent
by mail, telex or facsimile transmission to it at 1400 Smith Street, Houston,
Texas 77002, Attention: Walter Wilson, Senior Vice President and Chief Financial
Officer, Facsimile No. (713) 646-2113.


                                       -3-
<PAGE>   4


         Unless otherwise provided herein, all the provisions contained in the
document entitled Enron Oil & Gas Company Debt Securities Underwriting Agreement
Standard Provisions dated December 20, 1996, a copy of which was filed as an
exhibit to, or incorporated by reference into, Registration Statement No.
333-44785, are hereby incorporated herein by reference in their entirety and
shall be deemed to be a part of this Agreement to the same extent as if such
provisions had been set forth in full herein.

         Please confirm your agreement by having an authorized officer sign a
copy of this Agreement in the space set forth below and returning the signed
copy to us, and in addition have an authorized officer send us no later than
5:00 p.m. (New York time) on December 9, 1998 by wire, telex, facsimile
transmission or other written means, the following message:

         We have entered into the Underwriting Agreement dated December 9, 1998
         relating to the Purchased Securities referred to therein by signing a
         copy of the Underwriting Agreement and returning the same or depositing
         the same in the mail to you.

                                        Very truly yours,

                                        NATIONSBANK MONTGOMERY SECURITIES LLC
                                        SALOMON SMITH BARNEY INC.

                                        By: NATIONSBANC MONTGOMERY
                                            SECURITIES LLC


                                             By: /s/ Phillip R. Bennett
                                                 -------------------------------
                                                 Name: Phillip R. Bennett
                                                 Title: Vice President

Accepted:

ENRON OIL & GAS COMPANY


By: /s/ C. W. Burgher
    ------------------------------
    Name: C. W. Burgher
    Title: Vice President, Finance
           And Treasurer



                                       -4-
<PAGE>   5





                                     ANNEX A


The Company represents and warrants to each Underwriter, as of the date of the
Underwriting Agreement and as of the Closing referred to in the Underwriting
Agreement, that:

         (a)   no stop order suspending the effectiveness of the Registration
Statement has been issued and no proceeding for that purpose has been instituted
or, to the knowledge of the Company, threatened by the Commission;

         (b)   the financial statements, and the related notes thereto, included
or incorporated by reference in the Registration Statement and the Prospectus,
present fairly the consolidated financial position of the Company and its
consolidated subsidiaries as of the dates indicated and the results of their
operations and the changes in their consolidated cash flows for the periods
specified; and said financial statements have been prepared in conformity with
generally accepted accounting principles applied on a consistent basis, and the
supporting schedules included or incorporated by reference in the Registration
Statement present fairly the information required to be stated therein;

         (c)   since the respective dates as of which information is given in
the Registration Statement and the Prospectus, there has not been any material
adverse change, or any development involving a prospective material adverse
change, in or affecting the general affairs, business, prospects, management,
financial position, stockholders' equity or results of operations of the Company
and its subsidiaries, taken as a whole, otherwise than as set forth or
contemplated in the Prospectus; and except as set forth or contemplated in the
Prospectus neither the Company nor any of its subsidiaries has entered into any
transaction or agreement (whether or not in the ordinary course of business)
material to the Company and its subsidiaries, taken as a whole;

         (d)   the Company has been duly incorporated and is validly existing as
a corporation in good standing under the laws of the state of its incorporation,
with power and authority (corporate and other) to own its properties and conduct
its business as described in the Prospectus, and has been duly qualified as a
foreign corporation for the transaction of business and is in good standing
under the laws of each other jurisdiction in which it owns or leases properties,
or conducts any business, so as to require such qualification, other than where
the failure to be so qualified or in good standing would not have a material
adverse effect on the Company and its subsidiaries, taken as a whole;

         (e)   each of the Company's subsidiaries has been duly incorporated and
is validly existing as a corporation under the laws of its jurisdiction of
incorporation, with power and authority (corporate and other) to own its
properties and conduct its business as described in the Prospectus, and has been
duly qualified as a foreign corporation for the transaction of business and is
in good standing under the laws of each jurisdiction in which it owns or leases
properties, or conducts any business, so as to require such qualification, other
than where the failure to be so qualified or in good standing would

<PAGE>   6





not have a material adverse effect on the Company and its subsidiaries, taken as
a whole; and all the outstanding shares of capital stock of each subsidiary of
the Company have been duly authorized and validly issued, are fully-paid and
non-assessable, and (except in the case of foreign subsidiaries, for directors'
qualifying shares) are owned by the Company, directly or indirectly, free and
clear of all liens, encumbrances, security interests and claims;

         (f)   the Underwriting Agreement has been duly authorized, executed and
delivered by the Company and constitutes the valid and binding agreement of the
Company, except as rights to indemnity and contribution thereunder may be
limited by applicable law;

         (g)   the Purchased Securities have been duly authorized, and, when
issued and delivered pursuant to the Underwriting Agreement, will have been duly
executed, authenticated, issued and delivered and will constitute valid and
binding obligations of the Company entitled to the benefits provided by the
Indenture; the Indenture has been duly authorized, executed and delivered by the
Company and the Trustee, constitutes a valid and binding instrument and has been
duly qualified under the Trust Indenture Act; and the Purchased Securities will,
and the Indenture does, conform to the descriptions thereof in the Prospectus;

         (h)   neither the Company nor any of its subsidiaries is, or with the
giving of notice or lapse of time or both would be, in violation of or in
default under, its Certificate of Incorporation or By-Laws or any indenture,
mortgage, deed of trust, loan agreement or other agreement or instrument to
which the Company or any of its subsidiaries is a party or by which it or any of
them or any of their respective properties is bound, except for violations and
defaults which individually and in the aggregate are not material to the Company
and its subsidiaries, taken as a whole, or to the holders of the Purchased
Securities; the issue and sale of the Purchased Securities and the performance
by the Company of all of the provisions of its obligations under the Purchased
Securities, the Indenture and the Underwriting Agreement and the consummation of
the transactions therein contemplated will not conflict with or result in a
breach of any of the terms or provisions of, or constitute a default under, any
indenture, mortgage, deed of trust, loan agreement or other material agreement
or instrument to which the Company or any of its subsidiaries is a party or by
which the Company or any of its subsidiaries is bound or to which any of the
property or assets of the Company or any of its subsidiaries is subject, nor
will any such action result in any violation of the provisions of the
Certificate of Incorporation or the By-Laws of the Company or any applicable law
or statute or any order, rule or regulation of any court or governmental agency
or body having jurisdiction over the Company, its subsidiaries or any of their
respective properties; and no consent, approval, authorization, order,
registration or qualification of or with any such court or governmental agency
or body is required for the issue and sale of the Purchased Securities or the
consummation by the Company of the transactions contemplated by the Underwriting
Agreement or the Indenture, except such consents, approvals,

<PAGE>   7





authorizations, registrations or qualifications as have been obtained under the
Securities Act, the Trust Indenture Act and as may be required under state
securities or Blue Sky laws in connection with the purchase and distribution of
the Purchased Securities by the Underwriters; and

         (i)   other than as set forth or contemplated in the Prospectus, there
are no legal or governmental proceedings pending or, to the knowledge of the
Company, threatened to which the Company or any of its subsidiaries is or may be
a party or to which any property of the Company or any of its subsidiaries is or
may be the subject which, if determined adversely to the Company, could
individually or in the aggregate reasonably be expected to have a material
adverse effect on the general affairs, business, prospects, management,
financial position, stockholders' equity or results of operations of the Company
and its subsidiaries, taken as a whole, and, to the best of the Company's
knowledge, no such proceedings are threatened or contemplated by governmental
authorities or threatened by others; and there are no contracts or other
documents of a character required to be filed as an exhibit to the Registration
Statement or required to be described in the Registration Statement or the
Prospectus which are not filed or described as required.




<PAGE>   1

                                                                     EXHIBIT 1.2

                             ENRON OIL & GAS COMPANY

        Certificate of Senior Vice President and Chief Financial Officer


         I, Walter C. Wilson, Senior Vice President and Chief Financial Officer
of Enron Oil & Gas Company, a Delaware corporation (the "Company"), do hereby
establish the terms of certain debt securities of the Company under the
Indenture, dated as of September 1, 1991 (the "Indenture"), between the Company
and Chase Bank of Texas, National Association (formerly Texas Commerce Bank
National Association), as Trustee, as follows:

                  1.       The title of the securities shall be "6.00% Notes Due
         2008"  (the "Notes");

                  2.       The Notes need not be issued at the same time and
         this series may be reopened, without the consent of the holders of the
         Notes. The aggregate principal amount of Notes to be issued on December
         14, 1998 shall be $175,000,000(the "December Notes"); additional Notes
         may be authorized by the subsequent execution of a Certificate or
         Certificates of the Chairman of the Board, the President, Vice
         Chairman, Chief Financial Officer, Treasurer, Assistant Treasurer or
         any other officer of the Company as may be so authorized from time to
         time, in accordance with the Indenture;

                  3.       The final maturity of the principal of the Notes
         shall be December 15, 2008;

                  4.       The Notes shall bear interest at the rate of 6.00%
         per annum, which interest shall accrue from December 14, 1998, or from
         the most recent Interest Payment Date (as defined in the Indenture) to
         which interest has been paid or duly provided for, which dates shall be
         June 15 and December 15 of each year, and such interest shall be
         payable semi-annually on June 15 and December 15 of each year,
         commencing June 15, 1999, to holders of record at the close of business
         on June 1 or December 1, respectively, next preceding each such
         Interest Payment Date;

                  5.       The principal of, and interest on, the Notes shall be
         payable at the office or agency of the Company maintained for that
         purpose in Dallas, Texas, or at the option of the holder of the Note,
         at the office or agency of the Company maintained for that purpose in
         the Borough of Manhattan, The City of New York, State of New York;
         provided, however, that at the option of the Company payment of
         interest may be made by check mailed to the address of the person
         entitled thereto as such address shall appear in the Security Register
         (as defined in the Indenture);



                                        1
<PAGE>   2





                  6.       The Company may, at its option, redeem some or all of
         the Notes at any time prior to maturity at a redemption price equal to
         the greater of:

                  o        100% of the principal amount of the Notes, or

                  o        the sum of the present values of the remaining
                           scheduled payments of principal and interest on the
                           Notes to be redeemed discounted to the redemption
                           date on a semiannual basis (assuming a 360-day year
                           consisting of twelve 30-day months) at the applicable
                           Treasury Rate plus 20 basis points, plus accrued and
                           unpaid interest on the principal amount to the date
                           of redemption.

                           "Treasury Rate" means, with respect to any redemption
                  date, the rate per annum equal to the semi-annual equivalent
                  yield to maturity of the Comparable Treasury Issue, at a price
                  equal to the Comparable Treasury Price.

                           "Comparable Treasury Issue" means the United States
                  Treasury security selected by an Independent Investment Banker
                  as having a maturity comparable to the remaining term of the
                  Notes to be redeemed that would be utilized, at the time of
                  selection and in accordance with customary financial practice,
                  in pricing new issues of corporate debt securities of
                  comparable maturity to the remaining term of the Notes.

                           "Comparable Treasury Price" means, with respect to
                  any redemption date, (1) the average of the bid and asked
                  prices for the Comparable Treasury Issue (expressed in each
                  case as a percentage of its principal amount) on the third
                  business day preceding such redemption date, as set forth in
                  the daily statistical release (or any successor release)
                  published by the Federal Reserve Bank of New York and
                  designated "Composite 3:30 p.m. Quotations for U.S. Government
                  Securities" or (2) if such release (or any successor release)
                  is not published or does not contain such prices on such
                  business day, (A) the average of the Reference Treasury Dealer
                  Quotations for such redemption date, after excluding the
                  highest and lowest such Reference Treasury Dealer Quotations,
                  or (B) if the Trustee obtains fewer than four such Reference
                  Treasury Dealer Quotations, the average of all such
                  quotations.

                           "Independent Investment Banker" means an independent
                  investment banking institution of banking institution of
                  national standing appointed by the Trustee.



                                        2
<PAGE>   3


                           "Reference Treasury Dealer" means at least four
                  primary U.S. Government securities dealers as the Company or
                  the Trustee shall select.

                           "Reference Treasury Dealer Quotations" means, with
                  respect to each Reference Treasury Dealer and any redemption
                  date, the average, as determined by the Trustee, of the bid
                  and asked prices for the Comparable Treasury Issue (expressed
                  in each case as a percentage of its principal amount) quoted
                  in writing to the Trustee by such Reference Treasury Dealer at
                  5:00 p.m. on the third business day preceding such redemption
                  date.

                           Holders of the Notes to be redeemed will receive
                  notice thereof by first-class mail at least 30 and not more
                  than 60 days prior to the date fixed for redemption.

                  7.       Chase Bank of Texas, National Association (formerly
         Texas Commerce Bank National Association) is appointed to be trustee
         for the Notes, and Chase Bank of Texas, National Association, and any
         other banking institution hereafter selected by the officers of the
         Company, are appointed agents of the Company (a) where the Notes may be
         presented for registration of transfer or exchange, (b) where notices
         and demands to or upon the Company in respect of the Notes or the
         Indenture may be made or served and (c) where the Notes may be
         presented for payment of principal and interest;

                  8.       The December Notes shall be issued upon original
         issuance in the form of a single book-entry Global Security (as defined
         in the Indenture), and the Depository (as defined in the Indenture)
         shall be The Depository Trust Company, New York, New York; the December
         Notes in the form of Exhibit A attached hereto are hereby approved, and
         the form of additional Notes, if any, shall be as provided in
         subsequent Certificate or Certificates of the Chairman of the Board,
         the President, Vice Chairman, Chief Financial Officer, Treasurer,
         Assistant Treasurer or any other officer of the Company as may be so
         authorized from time to time, in accordance with the Indenture;

                  9.       The price to be received by the Company from the
         Underwriter for the Notes shall be 98.801%, plus accrued interest, if
         any, from December 14, 1998.



                                        3
<PAGE>   4





         IN WITNESS WHEREOF, I have hereunto signed my name this 9th day of
December, 1998.

                                             /s/ W. C. Wilson
                                             -----------------------------------
                                             Walter C. Wilson
                                             Senior Vice President and
                                             Chief Financial Officer



                                        4
<PAGE>   5



                                                                       EXHIBIT A


         THIS SECURITY IS A BOOK-ENTRY GLOBAL SECURITY WITHIN THE MEANING OF THE
INDENTURE HEREINAFTER REFERRED TO AND IS REGISTERED IN THE NAME OF A DEPOSITORY
OR A NOMINEE OF A DEPOSITORY. THIS SECURITY IS EXCHANGEABLE FOR SECURITIES
REGISTERED IN THE NAME OF A PERSON OTHER THAN THE DEPOSITORY OR ITS NOMINEE ONLY
IN THE LIMITED CIRCUMSTANCES DESCRIBED BELOW, AND NO TRANSFER OF THIS SECURITY
(OTHER THAN A TRANSFER OF THIS SECURITY AS A WHOLE BY THE DEPOSITORY TO A
NOMINEE OF THE DEPOSITORY OR BY A NOMINEE OF THE DEPOSITORY TO THE DEPOSITORY OR
ANOTHER NOMINEE OF THE DEPOSITORY OR BY THE DEPOSITORY OR ANY SUCH NOMINEE OF
THE DEPOSITORY TO A SUCCESSOR DEPOSITORY OR A NOMINEE OF SUCH SUCCESSOR
DEPOSITORY) MAY BE REGISTERED EXCEPT IN SUCH LIMITED CIRCUMSTANCES.

         UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF
THE DEPOSITORY TRUST COMPANY, A NEW YORK CORPORATION ("DTC"), TO THE COMPANY OR
ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE, OR PAYMENT, AND ANY
CERTIFICATE ISSUED IS REGISTERED IN THE NAME OF CEDE & CO. OR IN SUCH OTHER NAME
AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE
TO CEDE & CO. OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED
REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE, OR OTHER USE HEREOF FOR VALUE OR
OTHERWISE BY OR TO ANY PERSON IS WRONGFUL INASMUCH AS THE REGISTERED OWNER
HEREOF, CEDE & CO., HAS AN INTEREST HEREIN.


                             ENRON OIL & GAS COMPANY

                        6.00% Notes due December 15, 2008

No. BE-5                                                   CUSIP No. 293562 AE 4

         ENRON OIL & GAS COMPANY, a corporation duly organized and existing
under the laws of Delaware (herein called the "Company", which term includes any
successor Person under the Indenture hereinafter referred to), for value
received, hereby promises to pay to Cede & Co., or registered assigns, the
principal sum of ONE HUNDRED SEVENTY-FIVE MILLION DOLLARS ($175,000,000) on
December 15, 2008, and to pay interest thereon from December 14, 1998 or from
the most recent Interest Payment Date to which interest has been paid or duly
provided for, semiannually in arrears on June 15 and December 15 in each year,
commencing June 15, 1999, at the rate of 6.00% per annum, until the principal
hereof is paid or made available for payment.

<PAGE>   6





The interest so payable, and punctually paid or duly provided for, on any
Interest Payment Date will, as provided in such Indenture, be paid to the Person
in whose name this Security (or one or more Predecessor Securities) is
registered at the close of business on the Regular Record Date for such
interest, which shall be the June 1 or December 1 (whether or not a Business
Day), as the case may be, next preceding such Interest Payment Date. Any such
interest not so punctually paid or duly provided for will forthwith cease to be
payable to the Holder on such Regular Record Date and may either be paid to the
Person in whose name this Security (or one or more Predecessor Securities) is
registered at the close of business on a Special Record Date for the payment of
such Defaulted Interest to be fixed by the Trustee, notice whereof shall be
given to Holders of Securities of this series not less than 10 days prior to
such Special Record Date, or be paid at any time in any other lawful manner not
inconsistent with the requirements of any securities exchange on which the
Securities of this series may be listed, and upon such notice as may be required
by such exchange, all as more fully provided in said Indenture.

         Payment of the principal of (and premium, if any) and interest on this
Security will be made at the office or agency of the Company maintained for that
purpose pursuant to the Indenture hereinafter referred to in Dallas, Texas, in
such immediately available funds of the United States of America as at the time
of payment are legal tender for payment of public and private debts.

         Reference is hereby made to the further provisions of this Security set
forth below, which further provisions shall for all purposes have the same
effect as if set forth in this place.

         Unless the certificate of authentication hereon has been executed by
the Trustee referred to below by manual signature of an authorized officer, this
Security shall not be entitled to any benefit under the Indenture or be valid or
obligatory for any purpose.

         IN WITNESS WHEREOF, the Company has caused this instrument to be duly
executed under its corporate seal.

Dated: December 14, 1998

                                            ENRON OIL & GAS COMPANY


                                            By:
                                                  ------------------------------
                                                  Title:
                                                        ------------------------

ATTEST:

- ----------------------
      Secretary


<PAGE>   7





                     TRUSTEE'S CERTIFICATE OF AUTHENTICATION


         This is one of the Securities of the series designated therein referred
to in the within-mentioned Indenture.

                                            CHASE BANK OF TEXAS, NATIONAL
                                            ASSOCIATION
                                            as Trustee


                                            By
                                               ---------------------------------
                                                     Authorized Signatory



<PAGE>   8





         This Security is one of a duly authorized issue of securities of the
Company (herein called the "Securities"), issued and to be issued in one or more
series under an Indenture, dated as of September 1, 1991 (herein called the
"Indenture"), between the Company and Chase Bank of Texas, National Association
(formerly named Texas Commerce Bank National Association), as Trustee (herein
called the "Trustee", which term includes any successor trustee under the
Indenture), to which Indenture and all indentures supplemental thereto reference
is hereby made for a statement of the respective rights, limitation of rights,
duties and immunities thereunder of the Company, the Trustee and the Holders of
the Securities and of the terms upon which the Securities are, and are to be,
authenticated and delivered. This Security is a Book-Entry Security.

         The Company, at is option, may at any time redeem all or any portion of
the Securities of this series, at a redemption price equal to the greater of (i)
100% of their principal amount, or (ii) the sum of the present values of the
remaining scheduled payments of principal and interest thereon discounted to the
date of redemption on a semi-annual basis (assuming a 360-day year consisting of
twelve 30-day months) at the applicable Treasury Rate plus 20 basis points, plus
accrued and unpaid interest to the date of redemption.

         "Treasury Rate" means, with respect to any redemption date applicable
to the Securities of this series, the rate per annum equal to the semi-annual
equivalent yield to maturity of the Comparable Treasury Issue, at a price equal
to the applicable Comparable Treasury Price.

         "Comparable Treasury Issue" means, with respect to the Securities of
this series, the United States Treasury security selected by an Independent
Investment Banker as having a maturity comparable to the remaining term of the
Securities of this series that would be utilized, at the time of selection and
in accordance with customary financial practice, in pricing new issues of
corporate debt securities of comparable maturity to the remaining term of the
Securities of this series.

         "Comparable Treasury Price" means, with respect to any redemption date
applicable to the Securities of this series, (1) the average of the bid and
asked prices for the Comparable Treasury Issue (expressed in each case as a
percentage of its principal amount) on the third business day preceding such
redemption date, as set forth in the daily statistical release (or any successor
release) published by the Federal Reserve Bank of New York and designated
"Composite 3:30 p.m. Quotations for U.S. Government Securities" or (2) if such
release (or any successor release) is not published or does not contain such
prices on such business day, (A) the average of the Reference Treasury Dealer
Quotations for such redemption date, after excluding the highest and lowest such
Reference Treasury Dealer Quotations, or (B) if the Trustee obtains fewer than
four such Reference Treasury Dealer Quotations, the average of all such
quotations.

         "Independent Investment Banker" means, with respect to the Securities
of this series, an independent investment banking institution of national
standing appointed by the Trustee.
<PAGE>   9

         "Reference Treasury Dealer" means, with respect to the Securities of
this series, at least four primary U.S. Government securities dealers as the
Company or the Trustee shall select.

         "Reference Treasury Dealer Quotations" means, with respect to each
Reference Treasury Dealer and any redemption date for the Securities of this
series, the average, as determined by the Trustee, of the bid and asked prices
for the Comparable Treasury Issue for the Securities of this series (expressed
in each case as a percentage of its principal amount) quoted in writing to the
Trustee by such Reference Treasury Dealer at 5:00 p.m. on the third business day
preceding such redemption date.

         Holders of the Securities of this series to be redeemed will receive
notice thereof by first-class mail at least 30 and not more than 60 days prior
to the date fixed for redemption.

         The Securities of this series shall not be subject to a sinking fund
requirement.

         The Indenture contains provisions for defeasance at any time of the
entire indebtedness of the Company on this Security upon compliance by the
Company with certain conditions set forth therein, which provisions apply to
this Security.

         If an Event of Default with respect to the Securities of this series
shall occur and be continuing, the unpaid principal of the Securities of this
series may be declared due and payable in the manner and with the effect
provided in the Indenture.

         The Indenture permits, with certain exceptions as therein provided, the
amendment thereof and the modification of the rights and obligations of the
Company and the rights of the Holders of the Securities of each series to be
affected under the Indenture at any time by the Company and the Trustee with the
consent of the Holders of more than 50% in principal amount of the Securities at
the time Outstanding of each series to be affected. The Indenture also contains
provisions permitting the Holders of specified percentages in principal amount
of the Securities of each series at the time Outstanding, on behalf of the
Holders of all the Securities of such series, to waive compliance by the Company
with certain provisions of the Indenture and certain past defaults under the
Indenture and their consequences. Any such consent or waiver by the Holder of
this Security shall be conclusive and binding upon such Holder and upon all
future Holders of this Security and of any Security issued upon the registration
of transfer hereof or in exchange hereof or in lieu hereof, whether or not
notation of such consent or waiver is made upon this Security.

         As set forth in, and subject to, the provisions of the Indenture, no
Holder of any Security of this series shall have any right to institute any
proceeding with respect to the Indenture or for any remedy thereunder, unless
such Holder shall have previously given to the Trustee written notice of a
continuing Event of Default with respect to the Securities of this series, the
Holders of not less than 25% in principal amount of the 



<PAGE>   10

Outstanding Securities of this series shall have made written request, and
offered reasonable indemnity, to the Trustee to institute such proceeding as
trustee, and the Trustee shall not have received from the Holders of a majority
in principal amount of the Outstanding Securities of this series a direction
inconsistent with such request, and the Trustee shall have failed to institute
such proceeding within 60 days; provided, however, that such limitations shall
not apply to a suit instituted by the Holder hereof for the enforcement of
payment of the principal of (or premium, if any) or interest on this Security on
or after the respective due dates expressed herein.

         No reference herein to the Indenture and no provision of this Security
or of the Indenture shall, without the consent of the Holder, alter or impair
the right of the Holders, which is absolute and unconditional, to receive
payment of the principal of (and premium, if any) and interest on this Security
at the times, place and rate, and in the coin or currency, herein prescribed,
except for Section 113 of the Indenture (which limits interest to the maximum
amount permissible by law), the provisions of which are incorporated herein by
reference.

         This Security shall be exchangeable for Securities of this series
registered in the names of Persons other than the Depository with respect to
such series or its nominee only as provided in this paragraph. This Security
shall be so exchangeable if (x) such Depository notifies the Company that it is
unwilling or unable to continue as Depository for this Security or if at any
time such Depository ceases to be a clearing agency registered as such under the
Securities Exchange Act of 1934, (y) the Company executes and delivers to the
Trustee a written order providing that this Security shall be so exchangeable or
(z) there shall have occurred and be continuing an Event of Default with respect
to the Securities of this series. Securities so issued in exchange for this
Security shall be of the same series and of like tenor, in authorized
denominations and in the aggregate having the same unpaid principal amount as
this Security and registered in such names as such Depository shall direct.

         As provided in the Indenture and subject to certain limitations therein
set forth, the transfer of this Security is registrable in the Security
Register, upon surrender of this Security for registration of transfer at the
office or agency of the Company in any place where the principal of (and
premium, if any) and interest on this Security are payable, duly endorsed by, or
accompanied by a written instrument of transfer in form satisfactory to the
Company and the Security Registrar duly executed by, the Holder hereof or its
attorney duly authorized in writing, and thereupon one or more new Securities of
this series, and of like tenor, of authorized denominations and for the same
aggregate unpaid principal amount, shall be issued to the designated transferee
or transferees.

         No service charge shall be made for any such exchange or registration
of transfer, but the Company may require payment of a sum sufficient to cover
any tax or other governmental charge payable in connection therewith.

         Prior to due presentment of this Security for registration of transfer,
the Company, the Trustee and any agent of the Company or the Trustee may treat
the Person in whose 



<PAGE>   11

name this Security is registered as the owner hereof for all purposes, whether
or not this Security be overdue, and neither the Company, the Trustee nor any
such agent shall be affected by notice to the contrary.

         Pursuant to a recommendation promulgated by the Committee on Uniform
Security Identification Procedures, the Company has caused a CUSIP number to be
printed on this Security as a convenience to the Holder hereof. No
representation is made as to the accuracy of such number and reliance may be
placed only on the other identifying information printed hereon.

         All terms used in this Security which are defined in the Indenture
shall have the meanings assigned to them in the Indenture.


<PAGE>   12



                                 ASSIGNMENT FORM


I or we assign and transfer this Security to 
                                             -----------------------------------

- --------------------------------------------------------------------------------

- --------------------------------------------------------------------------------
(Print or type name, address and zip code of assignee or transferee)


- ------------------------------------------------------------------------
(Insert Social Security or other identifying number of assignee or transferee)

and irrevocably appoint 
                        --------------------------------------------------------
as agent to transfer this Security on the books of the Company. The agent may
substitute another to act for him.


Dated:                             Signed:
       --------------------------          -------------------------------------
                                           (Sign exactly as name appears above
                                          or on the other side of this Security)



Signature Guarantee:  
                      -----------------------------------------------
                      Participant in a recognized Signature Guarantee
                      Medallion Program (or other signature guarantor
                      program reasonably acceptable to the Trustee)




<PAGE>   1



                                                                     EXHIBIT 1.3

         THIS SECURITY IS A BOOK-ENTRY GLOBAL SECURITY WITHIN THE MEANING OF THE
INDENTURE HEREINAFTER REFERRED TO AND IS REGISTERED IN THE NAME OF A DEPOSITORY
OR A NOMINEE OF A DEPOSITORY. THIS SECURITY IS EXCHANGEABLE FOR SECURITIES
REGISTERED IN THE NAME OF A PERSON OTHER THAN THE DEPOSITORY OR ITS NOMINEE ONLY
IN THE LIMITED CIRCUMSTANCES DESCRIBED BELOW, AND NO TRANSFER OF THIS SECURITY
(OTHER THAN A TRANSFER OF THIS SECURITY AS A WHOLE BY THE DEPOSITORY TO A
NOMINEE OF THE DEPOSITORY OR BY A NOMINEE OF THE DEPOSITORY TO THE DEPOSITORY OR
ANOTHER NOMINEE OF THE DEPOSITORY OR BY THE DEPOSITORY OR ANY SUCH NOMINEE OF
THE DEPOSITORY TO A SUCCESSOR DEPOSITORY OR A NOMINEE OF SUCH SUCCESSOR
DEPOSITORY) MAY BE REGISTERED EXCEPT IN SUCH LIMITED CIRCUMSTANCES.

         UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF
THE DEPOSITORY TRUST COMPANY, A NEW YORK CORPORATION ("DTC"), TO THE COMPANY OR
ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE, OR PAYMENT, AND ANY
CERTIFICATE ISSUED IS REGISTERED IN THE NAME OF CEDE & CO. OR IN SUCH OTHER NAME
AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE
TO CEDE & CO. OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED
REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE, OR OTHER USE HEREOF FOR VALUE OR
OTHERWISE BY OR TO ANY PERSON IS WRONGFUL INASMUCH AS THE REGISTERED OWNER
HEREOF, CEDE & CO., HAS AN INTEREST HEREIN.


                             ENRON OIL & GAS COMPANY

                        6.00% Notes due December 15, 2008

No. BE-5                                                   CUSIP No. 293562 AE 4

         ENRON OIL & GAS COMPANY, a corporation duly organized and existing
under the laws of Delaware (herein called the "Company", which term includes any
successor Person under the Indenture hereinafter referred to), for value
received, hereby promises to pay to Cede & Co., or registered assigns, the
principal sum of ONE HUNDRED SEVENTY-FIVE MILLION DOLLARS ($175,000,000) on
December 15, 2008, and to pay interest thereon from December 14, 1998 or from
the most recent Interest Payment Date to which interest has been paid or duly
provided for, semiannually in arrears on June 15 and December 15 in each year,
commencing June 15, 1999, at the rate of 6.00% per annum, until the principal
hereof is paid or made available for payment.

<PAGE>   2




The interest so payable, and punctually paid or duly provided for, on any
Interest Payment Date will, as provided in such Indenture, be paid to the Person
in whose name this Security (or one or more Predecessor Securities) is
registered at the close of business on the Regular Record Date for such
interest, which shall be the June 1 or December 1 (whether or not a Business
Day), as the case may be, next preceding such Interest Payment Date. Any such
interest not so punctually paid or duly provided for will forthwith cease to be
payable to the Holder on such Regular Record Date and may either be paid to the
Person in whose name this Security (or one or more Predecessor Securities) is
registered at the close of business on a Special Record Date for the payment of
such Defaulted Interest to be fixed by the Trustee, notice whereof shall be
given to Holders of Securities of this series not less than 10 days prior to
such Special Record Date, or be paid at any time in any other lawful manner not
inconsistent with the requirements of any securities exchange on which the
Securities of this series may be listed, and upon such notice as may be required
by such exchange, all as more fully provided in said Indenture.

         Payment of the principal of (and premium, if any) and interest on this
Security will be made at the office or agency of the Company maintained for that
purpose pursuant to the Indenture hereinafter referred to in Dallas, Texas, in
such immediately available funds of the United States of America as at the time
of payment are legal tender for payment of public and private debts.

         Reference is hereby made to the further provisions of this Security set
forth below, which further provisions shall for all purposes have the same
effect as if set forth in this place.

         Unless the certificate of authentication hereon has been executed by
the Trustee referred to below by manual signature of an authorized officer, this
Security shall not be entitled to any benefit under the Indenture or be valid or
obligatory for any purpose.

         IN WITNESS WHEREOF, the Company has caused this instrument to be duly
executed under its corporate seal.

Dated: December 14, 1998

                                         ENRON OIL & GAS COMPANY


                                         By:   
                                               ---------------------------------
                                               Title:
                                                      --------------------------

ATTEST:

- ----------------------
      Secretary


<PAGE>   3




                    TRUSTEE'S CERTIFICATE OF AUTHENTICATION


         This is one of the Securities of the series designated therein referred
to in the within-mentioned Indenture.

                                            CHASE BANK OF TEXAS, NATIONAL
                                            ASSOCIATION
                                            as Trustee


                                            By
                                               ---------------------------------
                                                    Authorized Signatory



<PAGE>   4




         This Security is one of a duly authorized issue of securities of the
Company (herein called the "Securities"), issued and to be issued in one or more
series under an Indenture, dated as of September 1, 1991 (herein called the
"Indenture"), between the Company and Chase Bank of Texas, National Association
(formerly named Texas Commerce Bank National Association), as Trustee (herein
called the "Trustee", which term includes any successor trustee under the
Indenture), to which Indenture and all indentures supplemental thereto reference
is hereby made for a statement of the respective rights, limitation of rights,
duties and immunities thereunder of the Company, the Trustee and the Holders of
the Securities and of the terms upon which the Securities are, and are to be,
authenticated and delivered. This Security is a Book-Entry Security.

         The Company, at is option, may at any time redeem all or any portion of
the Securities of this series, at a redemption price equal to the greater of (i)
100% of their principal amount, or (ii) the sum of the present values of the
remaining scheduled payments of principal and interest thereon discounted to the
date of redemption on a semi-annual basis (assuming a 360-day year consisting of
twelve 30-day months) at the applicable Treasury Rate plus 20 basis points, plus
accrued and unpaid interest to the date of redemption.

         "Treasury Rate" means, with respect to any redemption date applicable
to the Securities of this series, the rate per annum equal to the semi-annual
equivalent yield to maturity of the Comparable Treasury Issue, at a price equal
to the applicable Comparable Treasury Price.

         "Comparable Treasury Issue" means, with respect to the Securities of
this series, the United States Treasury security selected by an Independent
Investment Banker as having a maturity comparable to the remaining term of the
Securities of this series that would be utilized, at the time of selection and
in accordance with customary financial practice, in pricing new issues of
corporate debt securities of comparable maturity to the remaining term of the
Securities of this series.

         "Comparable Treasury Price" means, with respect to any redemption date
applicable to the Securities of this series, (1) the average of the bid and
asked prices for the Comparable Treasury Issue (expressed in each case as a
percentage of its principal amount) on the third business day preceding such
redemption date, as set forth in the daily statistical release (or any successor
release) published by the Federal Reserve Bank of New York and designated
"Composite 3:30 p.m. Quotations for U.S. Government Securities" or (2) if such
release (or any successor release) is not published or does not contain such
prices on such business day, (A) the average of the Reference Treasury Dealer
Quotations for such redemption date, after excluding the highest and lowest such
Reference Treasury Dealer Quotations, or (B) if the Trustee obtains fewer than
four such Reference Treasury Dealer Quotations, the average of all such
quotations.
<PAGE>   5

         "Independent Investment Banker" means, with respect to the Securities
of this series, an independent investment banking institution of national
standing appointed by the Trustee.

         "Reference Treasury Dealer" means, with respect to the Securities of
this series, at least four primary U.S. Government securities dealers as the
Company or the Trustee shall select.

         "Reference Treasury Dealer Quotations" means, with respect to each
Reference Treasury Dealer and any redemption date for the Securities of this
series, the average, as determined by the Trustee, of the bid and asked prices
for the Comparable Treasury Issue for the Securities of this series (expressed
in each case as a percentage of its principal amount) quoted in writing to the
Trustee by such Reference Treasury Dealer at 5:00 p.m. on the third business day
preceding such redemption date.

         Holders of the Securities of this series to be redeemed will receive
notice thereof by first-class mail at least 30 and not more than 60 days prior
to the date fixed for redemption.

         The Securities of this series shall not be subject to a sinking fund
requirement.

         The Indenture contains provisions for defeasance at any time of the
entire indebtedness of the Company on this Security upon compliance by the
Company with certain conditions set forth therein, which provisions apply to
this Security.

         If an Event of Default with respect to the Securities of this series
shall occur and be continuing, the unpaid principal of the Securities of this
series may be declared due and payable in the manner and with the effect
provided in the Indenture.

         The Indenture permits, with certain exceptions as therein provided, the
amendment thereof and the modification of the rights and obligations of the
Company and the rights of the Holders of the Securities of each series to be
affected under the Indenture at any time by the Company and the Trustee with the
consent of the Holders of more than 50% in principal amount of the Securities at
the time Outstanding of each series to be affected. The Indenture also contains
provisions permitting the Holders of specified percentages in principal amount
of the Securities of each series at the time Outstanding, on behalf of the
Holders of all the Securities of such series, to waive compliance by the Company
with certain provisions of the Indenture and certain past defaults under the
Indenture and their consequences. Any such consent or waiver by the Holder of
this Security shall be conclusive and binding upon such Holder and upon all
future Holders of this Security and of any Security issued upon the registration
of transfer hereof or in exchange hereof or in lieu hereof, whether or not
notation of such consent or waiver is made upon this Security.
<PAGE>   6

         As set forth in, and subject to, the provisions of the Indenture, no
Holder of any Security of this series shall have any right to institute any
proceeding with respect to the Indenture or for any remedy thereunder, unless
such Holder shall have previously given to the Trustee written notice of a
continuing Event of Default with respect to the Securities of this series, the
Holders of not less than 25% in principal amount of the Outstanding Securities
of this series shall have made written request, and offered reasonable
indemnity, to the Trustee to institute such proceeding as trustee, and the
Trustee shall not have received from the Holders of a majority in principal
amount of the Outstanding Securities of this series a direction inconsistent
with such request, and the Trustee shall have failed to institute such
proceeding within 60 days; provided, however, that such limitations shall not
apply to a suit instituted by the Holder hereof for the enforcement of payment
of the principal of (or premium, if any) or interest on this Security on or
after the respective due dates expressed herein.

         No reference herein to the Indenture and no provision of this Security
or of the Indenture shall, without the consent of the Holder, alter or impair
the right of the Holders, which is absolute and unconditional, to receive
payment of the principal of (and premium, if any) and interest on this Security
at the times, place and rate, and in the coin or currency, herein prescribed,
except for Section 113 of the Indenture (which limits interest to the maximum
amount permissible by law), the provisions of which are incorporated herein by
reference.

         This Security shall be exchangeable for Securities of this series
registered in the names of Persons other than the Depository with respect to
such series or its nominee only as provided in this paragraph. This Security
shall be so exchangeable if (x) such Depository notifies the Company that it is
unwilling or unable to continue as Depository for this Security or if at any
time such Depository ceases to be a clearing agency registered as such under the
Securities Exchange Act of 1934, (y) the Company executes and delivers to the
Trustee a written order providing that this Security shall be so exchangeable or
(z) there shall have occurred and be continuing an Event of Default with respect
to the Securities of this series. Securities so issued in exchange for this
Security shall be of the same series and of like tenor, in authorized
denominations and in the aggregate having the same unpaid principal amount as
this Security and registered in such names as such Depository shall direct.

         As provided in the Indenture and subject to certain limitations therein
set forth, the transfer of this Security is registrable in the Security
Register, upon surrender of this Security for registration of transfer at the
office or agency of the Company in any place where the principal of (and
premium, if any) and interest on this Security are payable, duly endorsed by, or
accompanied by a written instrument of transfer in form satisfactory to the
Company and the Security Registrar duly executed by, the Holder hereof or its
attorney duly authorized in writing, and thereupon one or more new Securities of
this series, and of like tenor, of authorized denominations and for the same
aggregate unpaid principal amount, shall be issued to the designated transferee
or transferees.
<PAGE>   7

         No service charge shall be made for any such exchange or registration
of transfer, but the Company may require payment of a sum sufficient to cover
any tax or other governmental charge payable in connection therewith.

         Prior to due presentment of this Security for registration of transfer,
the Company, the Trustee and any agent of the Company or the Trustee may treat
the Person in whose name this Security is registered as the owner hereof for all
purposes, whether or not this Security be overdue, and neither the Company, the
Trustee nor any such agent shall be affected by notice to the contrary.

         Pursuant to a recommendation promulgated by the Committee on Uniform
Security Identification Procedures, the Company has caused a CUSIP number to be
printed on this Security as a convenience to the Holder hereof. No
representation is made as to the accuracy of such number and reliance may be
placed only on the other identifying information printed hereon.

         All terms used in this Security which are defined in the Indenture
shall have the meanings assigned to them in the Indenture.


<PAGE>   8



                                 ASSIGNMENT FORM


I or we assign and transfer this Security to 
                                             -----------------------------------

- --------------------------------------------------------------------------------

- --------------------------------------------------------------------------------
(Print or type name, address and zip code of assignee or transferee)


- ------------------------------------------------------------------------
(Insert Social Security or other identifying number of assignee or transferee)

and irrevocably appoint 
                        --------------------------------------------------------
as agent to transfer this Security on the books of the Company. The agent may
substitute another to act for him.


Dated:                             Signed:
       --------------------------          -------------------------------------
                                           (Sign exactly as name appears above
                                          or on the other side of this Security)



Signature Guarantee:  
                      -----------------------------------------------
                      Participant in a recognized Signature Guarantee
                      Medallion Program (or other signature guarantor
                      program reasonably acceptable to the Trustee)





<PAGE>   1



                                                                     EXHIBIT 1.4


                             ENRON OIL & GAS COMPANY
                Computation of Ratio of Earnings to Fixed Charges
                                 (In Thousands)
                                   (Unaudited)


<TABLE>
<CAPTION>
                                       NINE MONTHS
                                          ENDED                               YEAR ENDED DECEMBER 31,
- ----------------------------------------------------------------------------------------------------------------------------
                                    SEPTEMBER 30, 1998   1997            1996          1995           1994            1993
- ----------------------------------------------------------------------------------------------------------------------------
<S>                                     <C>            <C>            <C>            <C>            <C>            <C>      
EARNINGS AVAILABLE FOR
FIXED CHARGES:
Net Income                              $  46,206      $ 121,970      $ 140,008      $ 142,118      $ 147,998      $ 138,025
Less: Capitalized Interest Expense         (9,942)       (13,706)        (9,136)        (6,490)        (6,124)        (5,457)
Add: Fixed Charges                         43,104         41,423         21,997         18,414         14,613         15,378
Income Tax Provision (Benefit)              8,142         41,500         50,954         41,936          5,937        (25,752)
                                        ---------      ---------      ---------      ---------      ---------      ---------
EARNINGS AVAILABLE                      $  87,510      $ 191,187      $ 203,823      $ 195,978      $ 162,424      $ 122,194
                                        =========      =========      =========      =========      =========      =========

FIXED CHARGES:
Interest Expense                           33,046         27,369         12,370         11,310          8,135          9,921
Capitalized Interest                        9,942         13,706          9,136          6,490          6,124          5,457
Rental Expense Representative of
    Interest Factor                           116            348            491            614            354           -
                                        ---------      ---------      ---------      ---------      ---------      ---------

TOTAL FIXED CHARGES                     $  43,104      $  41,423      $  21,997      $  18,414      $  14,613      $  15,378
                                        =========      =========      =========      =========      =========      =========

RATIO OF EARNINGS TO
FIXED CHARGES                                2.03           4.62           9.27          10.64          11.12           7.95
</TABLE>



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