3DX TECHNOLOGIES INC
10-K/A, 1998-11-03
CRUDE PETROLEUM & NATURAL GAS
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                     U.S. SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                   FORM 10-K/A

     For Annual and  Transition  Reports  pursuant to Section 13 or 15(d) of the
Securities Exchange Act of 1934

(Mark One)

[ X ]  ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES
       EXCHANGE ACT OF 1934

                   FOR THE FISCAL YEAR ENDED DECEMBER 31, 1997

                                       OR

[   ]  TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
       EXCHANGE ACT OF 1934

                           COMMISSION FILE NO. 0-21841

                              3DX TECHNOLOGIES INC.
             (Exact name of registrant as specified in its charter)

      DELAWARE                                            76-0386601
(State of Incorporation)                    (IRS Employer Identification Number)

12012 WICKCHESTER, SUITE 250, HOUSTON, TEXAS                 77079
 (Address of principal executive office)                  (Zip Code)

       Registrant's telephone number, including area code: (281) 579-3398

      Securities registered pursuant to Section 12(b) of the Exchange Act:
                                     (None)

      Securities registered pursuant to Section 12(g) of the Exchange Act:
                          Common Stock, $0.01 par value
                                (TITLE OF CLASS)

          Indicate  by  check  mark  whether  the  registrant  (1) has filed all
reports  required to be filed by Section 13 or 15(d) of the Securities  Exchange
Act of 1934 during the preceding 12 months (or for such shorter  period that the
registrant was required to file such reports),  and (2) has been subject to such
filing requirements for the past 90 days. Yes X No ___

          Indicate by check mark if disclosure of delinquent filers  pursuant to
Item 405 of Regulation S-K is not contained  herein,  and will not be contained,
to the best of  registrant's  knowledge,  in  definitive  proxy  or  information
statements  incorporated  by  reference  in Part  III of this  Form  10-K or any
amendment to this Form 10-K. [ ]

          The aggregate  market value of the common stock held by non-affiliates
of the  registrant was  approximately  $7.6 million on March 13, 1998 based upon
the closing  sale price of common  stock on such date of $1.625 per share on the
NASDAQ  National  Market.  As of March 13, 1998,  the  registrant  had 7,260,993
shares of common stock issued and outstanding.

                       DOCUMENTS INCORPORATED BY REFERENCE

          The  information required by Part III is  incorporated by reference to
the   Registrant's   definitive  Proxy  Statement  for  the  Annual  Meeting  of
Stockholders which will be filed with the Securities and Exchange  Commission on
or before April 30, 1998.

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<PAGE>




                                EXPLANATORY NOTE


          3DX Technologies Inc. is filing its financial  statements for the year
ended  December  31,  1997 which have been  updated  by  modifying  Management's
Discussion and Analysis of Financial  Condition and Results of  Operations,  and
adding a new footnote, an updated auditor's report and a new exhibit.



<PAGE>

                                     PART II

           ITEM 7. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL
                      CONDITION AND RESULTS OF OPERATIONS

          The  following is a discussion of the financial  condition and results
of operations of the Company for the three years ended  December 31, 1997,  1996
and 1995.  This  discussion  should be read in  conjunction  with the  financial
statements  of the  Company,  the notes  thereto  and the other  financial  data
included elsewhere in this Annual Report on Form 10-K.

OVERVIEW

          The Company is a knowledge-based oil and gas exploration company whose
core  competence and strategic focus is the utilization of 3-D imaging and other
advanced  technologies in the search for commercial  quantities of hydrocarbons.
The Company enters into arrangements that enable it to combine its expertise and
exploration  capabilities  with  the  operating  skills  of  other  oil  and gas
companies.  The  Company  participates  in  selected  exploration  projects as a
non-operating  working  interest owner,  sharing both risks and rewards with its
partners.  The Company commenced operations in January 1993 to take advantage of
perceived  opportunities  emerging  from  changes  in the  domestic  oil and gas
industry, including the divestiture of domestic oil and gas properties, advances
in technology  and the  outsourcing of specialized  technical  capabilities.  By
reducing  drilling risk through 3-D imaging and  analysis,  the Company seeks to
improve the expected return on investment in its oil and gas projects.

          As a working interest  partner,  the Company  shares all project costs
in  proportion  to its  working  interest  percentage.  In  instances  in  which
exploration and development  activities are unsuccessful,  the Company incurs an
economic  loss equal to its  proportionate  share of project  costs prior to the
time the project is abandoned. Similarly, the Company incurs an economic loss if
the  Company's  proportionate  share of revenue  generated  from  production  is
insufficient to cover the Company's share of project costs.

         The  Company's  future financial  results will depend primarily on: (i)
the Company's ability to continue to source and screen potential projects;  (ii)
the Company's ability to discover commercial  quantities of hydrocarbons;  (iii)
the  market  price  for oil and gas;  and (iv) the  Company's  ability  to fully
implement its  exploration and  development  program,  which is dependent on the
availability  of capital  resources.  There can be no assurance that the Company
will be  successful  in any of these  respects,  that the  prices of oil and gas
prevailing at the time of production  will be at a level allowing for profitable
production,  or that the Company  will be able to obtain  additional  funding to
increase its currently limited capital resources.

         The Company recorded a valuation allowance against the estimated amount
of deferred tax assets for which  realization is uncertain.  The Company reviews
the  valuation  allowance at the end of each quarter and makes  adjustments,  as
necessary, if it is determined that it is more likely than not that the deferred
tax assets will be realized.  As of December  31, 1997,  the Company had tax net
operating  loss  carryforwards  ("NOL's") of  approximately  $11.2 million which
begin to expire in 2008. As a result of the recent stock transactions, including
the  initial  public  offering,  there  is a  yearly  limitation  placed  on the
Company's  utilization  of its NOL's under  Section 382 of the Internal  Revenue
Code of 1986, as amended.  See Note 3 to the financial statements of the Company
included elsewhere herein.

RESULTS OF OPERATIONS

         The following  table sets forth certain  operating  information  of the
Company during the periods indicated:

                                       2
<PAGE>

<TABLE>
<CAPTION>
                                                                                    YEAR ENDED DECEMBER 31,
                                                                                --------------------------------
                                                                                       1997      1996      1995
                                                                                       ----      ----      ----
<S>                                                                                 <C>         <C>        <C>
PRODUCTION:
    Gas (MMcf)                                                                      1,131.8     271.2      97.1
    Oil and condensate (Mbbls)                                                         14.1       8.5       6.7
    Total equivalent, converted at 6:1 (Mmcfe)                                      1,216.2     322.2     137.3
AVERAGE SALES PRICE:
    Gas (per Mcf)                                                                   $  2.46   $  2.50   $  1.59
    Oil and condensate (per Bbl)                                                      18.54     20.43     17.89
AVERAGE EXPENSES (PER MCFE):
    Lease operating (1)                                                             $  0.36   $  0.33   $  0.57
    Depletion of oil and gas properties                                                2.17      1.31      1.15
</TABLE>
- -------------

(1)      Includes all lease  operating  expenses and taxes  attributable  to the
         Company's properties, including production and ad valorem taxes.

OIL AND GAS REVENUES.  Oil and gas revenues increased to $3,045,447 for the year
ended  December 31, 1997 (the "1997  period")  from  $851,827 for the year ended
December 31, 1996 (the "1996 period").  This increase was primarily attributable
to higher oil and gas production  levels.  Production  increased by over 277% to
1,216.2  Mmcfe for the 1997 period,  from 322.2 Mmcfe for the 1996  period.  The
increased  production  resulted from  successful  wells drilled  during the last
three months of 1996 and  throughout  the year in 1997. The number of productive
wells in which the Company  owned an interest  increased to 30 (5.03 net) at the
end for the 1997  period from 19 (2.02 net) at the end of the 1996  period.  The
average  sales price for natural  gas,  which  accounted  for 93% of  equivalent
production  during the 1997 period,  decreased by 2% to $2.46 per Mcf from $2.50
per Mcf for the 1996 period. The average sales price for oil decreased to $18.54
per barrel during the 1997 period versus $20.43 per barrel for the 1996 period.

         Oil and gas  revenues  increased  to $851,827  for the 1996 period from
$274,511 for the 1995 period.  This increase was attributable to both higher oil
and gas  production  levels and a significant  increase in the average price for
both natural gas and oil.  Production  increased by over 135% to 322.2 Mmcfe for
the 1996 period, from 137.3 Mmcfe for the 1995 period. The increased  production
resulted from  successful  wells drilled  during the last six months of 1995 and
throughout  the year in 1996.  The average  sales price for natural  gas,  which
accounted for 84% of equivalent production during the 1996 period,  increased by
57% to $2.50 per Mcf for the 1996 period from $1.59 per Mcf for the 1995 period.
The  average  sales  price for oil  increased  to $20.43  during the 1996 period
versus $17.89 for the 1995 period.

LEASE OPERATING EXPENSES.  Total lease operating expenses,  including production
taxes,  increased  to $436,243  for the 1997 period from  $107,676  for the 1996
period.  This increase was primarily  attributable  to the  additional  costs of
operating new producing  wells drilled  during the last three months of 1996 and
throughout  the year in 1997 and is  comparable  to the  increase in  production
during  the  corresponding   periods.  Lease  operating  expenses  per  Mcfe  of
production  increased  slightly to $0.36 per Mcfe for the 1997 period from $0.33
per Mcfe for the 1996 period.

         Total lease operating expenses,  including production taxes,  increased
to  $107,676  for the  1996  period  from  $78,533  for the 1995  period.  Lease
operating  expenses  per Mcfe  decreased to $0.33 for the 1996 period from $0.57
per  Mcfe for the  1995  period.  Substantially  all of this  decrease  in lease
operating expenses per Mcfe was the result of lower lease operating expenses per
Mcfe for  certain  wells  completed  during the 1996  period.  These  wells were
producing at relatively high rates from onshore,  shallow,  highly permeable gas
sands and produce  relatively  small amounts of water,  so there are  negligible
treating or disposal costs  associated  with such wells.  These wells require no

                                       3
<PAGE>

artificial  lift or compression so the power and  maintenance  costs  associated
with such wells are minimal.  Additionally,  the highly  permeable nature of the
producing zones resulted in relatively high production rates,  which lowered the
operating  expenses  associated  with  production from these wells on a per Mcfe
basis.

DEPLETION,  DEPRECIATION  AND  AMORTIZATION  EXPENSE.  Depletion  of oil and gas
properties  for the 1997 period  increased to  $2,636,305  from $422,839 for the
1996 period.  The increase in depletion of oil and gas properties  resulted from
both the increase in oil and gas production during the 1997 period, as discussed
above,  and an increase in the depletion rate for this period.  Depletion of oil
and gas properties per Mcfe for the 1997 period  increased to $2.17 per Mcfe, or
66%, from the rate of $1.31 per Mcfe in the  corresponding  period in 1996.  The
increase in the rate  resulted  from greater  additions to evaluated oil and gas
property  costs  than the  additions  to oil and gas  reserves  relative  to the
existing  depletion rate per Mcfe.  This was principally the result of the costs
of unsuccessful wells drilled in 1997.

         Depletion of oil and gas  properties  for the 1996 period  increased to
$422,839 from $158,336 for the 1995 period. The increase in depletion of oil and
gas properties  resulted from both the increase in oil and gas production during
the 1996 period and a 14% increase in the depletion  rate.  Depletion of oil and
gas properties per Mcfe for the 1996 period increased to $1.31 per Mcfe over the
rate of $1.15 per Mcfe in the corresponding  period in 1995. The increase in the
rate  resulted from greater  additions to evaluated  oil and gas property  costs
than the  additions to oil and gas reserves  relative to the existing  depletion
rate per Mcfe.

IMPAIRMENT  OF OIL  AND  GAS  PROPERTIES.  Under  the  rules  of  the  full-cost
accounting method as prescribed by the Securities and Exchange  Commission,  the
Company is required to compare the net costs of its evaluated  properties to the
net present  value of its proved  reserves,  using prices and costs in effect at
the end of each quarterly  period.  If such evaluated  costs, net of accumulated
depreciation,  depletion  and  amortization,  exceed the present value of proved
reserves,  an impairment charge is required to writedown those excess costs. Oil
and gas impairment  charges recorded during 1997 were  $9,061,240,  all of which
were  attributable to the fourth quarter ended December 31, 1997. This writedown
results  principally from three factors:  (1) the significant decline in oil and
gas prices  being  received by the  Company on December  31, 1997 as compared to
September  30, 1997 (which  represents  approximately  $2.3 million of the total
writedown),  (2) a relatively large investment in three unsuccessful exploratory
wells all of which were  evaluated in fourth  quarter of 1997 (which  represents
another $3.3 million),  and (3) a conservative  estimate of proved reserves on a
potentially  significant  discovery  on the Ramrod  prospect  (which  represents
another  $0.9  million),  as  discussed  in  Item 2,  "Properties."  Impairments
recorded during 1996 and 1995 totaled $1,476,690, and $1,627,321,  respectively,
primarily  as a result  of the  evaluated  costs  of  prospects  which  had poor
drilling results during those periods.

GENERAL AND ADMINISTRATIVE  EXPENSE.  General and administrative expense, net of
costs  capitalized to exploration  and  development  projects,  increased 39% to
$2,532,957 for the 1997 period from $1,827,946 for the 1996 period. The increase
is primarily a result of personnel  costs  associated with hiring which occurred
during 1997 and  increased  professional  fees and other costs  associated  with
being a public company,  offset by a decrease in the amount of $390,616 relating
to  the  amortization  of  deferred   compensation   expense.  The  1996  amount
represented  a 61%  increase  from  $1,134,882  incurred  during  the year ended
December 31, 1995. This increase was primarily  attributable to the amortization
of deferred  compensation  expense  recognized in connection  with stock options
granted  within one year of the  filing of the  registration  statement  for the
initial public  offering,  which expense is based on the difference  between the
option price and the initial $11.00 per share initial  public  offering price of
the common stock.

INTEREST  AND  OTHER  INCOME.  Interest  and  other  income  increased  136%  to
approximately  $585,154 for the 1997 period from approximately  $247,960 for the
comparable  period during 1996.  This increase  reflects  interest income on the
higher level of short-term  investments during 1997 as a result of investment of
the  proceeds  of  the  Company's  initial  public  offering.  The  1996  amount
represents a 5% increase from $236,186 earned during the comparable 1995 period,
as a result of interest  income  attributable  to  short-term  investment of the
proceeds of the Series C preferred stock.

                                       4
<PAGE>

NET LOSS. As a result of the  foregoing,  the  Company's  net loss  increased to
approximately  $11.0 million for the 1997 period from approximately $2.7 million
for the 1996 period.  The most  significant  factor which caused the increase in
net loss was the impairment of oil and gas properties  recorded under  full-cost
accounting rules. The net loss for 1996 increased  slightly from the net loss of
$2.5 million in 1995, as a result of all of the foregoing.


LIQUIDITY AND CAPITAL RESOURCES - AS OF MARCH 31, 1998

         To date, net cash provided by operating activities has been limited and
the  Company  has  funded  its oil and gas  exploration  activities  principally
through cash  provided by the sale of equity  securities.  On December 26, 1996,
the  Company  consummated  an initial  public  offering  of common  stock  which
provided  approximately $23.6 million in proceeds,  net of offering expenses. In
January 1997, the Company's  underwriters  exercised their over-allotment option
to purchase 375,000  additional shares of common stock,  resulting in additional
net proceeds to the Company of approximately  $3.8 million.  Approximately  $7.5
million of the  proceeds of the initial  public  offering was used to redeem all
the issued and  outstanding  shares of the Series B  preferred  stock and to pay
accrued  dividends on the issued and outstanding  Series C preferred  stock. The
balance of the net proceeds were  designated  to fund the Company's  exploration
and  development  capital  expenditures  and  for  general  corporate  purposes,
including expenses associated with hiring additional personnel.

         The  Company's  business  requires  substantial  oil  and  gas  capital
expenditures.  To achieve its near-term  goals, the Company has been and will be
required to make oil and gas capital expenditures substantially in excess of its
net cash flow from  operations in order to acquire,  explore and develop oil and
gas properties. Capital expenditures for oil and gas exploration and development
activities  during the years ended December 31, 1997, 1996, and 1995, were $19.9
million, $6.2 million and $2.2 million,  respectively. The Company has not set a
final capital  expenditure  budget for 1998, but has  opportunities to invest in
excess of $10  million in  exploration  and  development  projects  in which the
Company  currently  owns an  interest.  The  Company  continues  to  define  new
opportunities on both its active exploration projects and new projects. However,
the level of capital spending in 1998 is dependent upon the Company's ability to
obtain additional sources of funding.

         As of December 31, 1997,  the Company had a deficit in working  capital
of approximately  $632,000.  On December 18, 1997, the Company executed a credit
agreement  with a  commercial  bank.  The credit  agreement  provided  borrowing
capacity of $3.0  million at December  31, 1997.  Such  borrowing  capacity is a
function  of the value of the  Company's  proved  oil and gas  reserves,  and is
redetermined on a quarterly basis. The bank is currently  conducting a scheduled
redetermination.  Based on  preliminary  indications  from the bank, the Company
expects the revised  borrowing  base to be between  $2.0 and $3.0  million.  The
credit  agreement is secured by  substantially  all of the Company's oil and gas
properties  and contains  restrictions  on dividends  and  additional  liens and
indebtedness  and requires the  maintenance  of a minimum  current ratio and net
worth, each as defined in the credit  agreement.  There were no borrowings under
the credit  agreement  during 1997. The Company prefers to use debt only to fund
development drilling and not to finance exploration costs.  However, the Company
expects  to use  funds  available  under  the  credit  agreement  as a source of
financing to fund both  exploration and development  activities until additional
equity or other sources of permanent funding are obtained.

         As a result of the Company's periodic review of each of its oil and gas
exploration and development  properties and its available  capital,  the Company
has on two occasions sold partial  interests in specific oil and gas projects to
other investors to reduce its total investment  commitment to such projects.  No
gain or loss was  recognized  on either  transaction.  The Company is  currently
reviewing its portfolio and has  identified  one property in which it intends to
sell the  majority  of its  interests  to  provide  additional  capital  for its
exploration  program.  Such interests consist of both producing wells and future
drilling locations.  The Company may identify additional  properties for sale in
the course of its continuing review.  There can be no assurance,  however,  that
the Company will be able to sell any such  interests,  or that the terms of such
sale will be acceptable to the Company.

                                       5
<PAGE>

         The  Company  expects  that its  projected  cash flows  from  currently
producing   properties   will  be  sufficient  to  fund  its  cash  general  and
administrative  costs for the next twelve months,  including  technical employee
and related costs which are  capitalized  under full-cost  accounting,  and will
also provide limited funding for its capital program. The Company's  projections
of cash flows from currently producing properties are dependent on the following
assumptions:  (i) there are no significant  declines in oil and gas prices below
current levels or  anticipated  seasonal lows, and (ii) there are no significant
declines in oil and gas production from existing  properties other than declines
in  production  currently  anticipated  based on  engineering  estimates  of the
decline curves associated with such properties.

         To enable it to continue to take  advantage of oil and gas  exploration
and development opportunities,  the Company intends to seek additional financing
in 1998 to satisfy its capital requirements. The Company is currently evaluating
alternatives  to obtain  additional  equity  financing,  which  include sales of
common or  preferred  stock.  The Company  anticipates  funding  its  short-term
capital  spending  from a  combination  of  expected  cash flow  generated  from
operations,  borrowings under the credit agreement and proceeds from the sale of
oil and gas  properties.  In the absence of  additional  financing,  the Company
could be  required  to modify the  implementation  and timing of its oil and gas
exploration and development  capital spending for 1998, which modification could
have a material  adverse  effect on the Company.  No assurance can be given that
the Company will be able to obtain additional  financing on terms which would be
acceptable to the Company, if at all.

LIQUIDITY AND CAPITAL RESOURCES - RECENT DEVELOPMENTS

         See further  discussion  of these issues under Note 11 to the financial
statements, "Recent Developments - Going Concern Uncertainty."

          As of June 30, 1998,  the Company had a deficit in working  capital of
approximately $2.8 million.  On December 18, 1997, the Company executed a credit
agreement  with a commercial  bank,  the borrowing  capacity of which was set at
$2.0 million in April 1998.  During the quarter  ended June 30, 1998 the Company
borrowed  $2.0 million  under the credit  agreement.  Such amount is the maximum
amount  currently  available  for  borrowing  under  the  credit  facility.  The
borrowing  capacity is a function of the value of the  Company's  proved oil and
gas reserves,  and is redetermined on a semi-annual basis. The bank is currently
conducting  a scheduled  redetermination.  Although  the Company  increased  its
proved reserves as a result of successful drilling operations during the quarter
ended June 30, 1998,  the bank has not  concluded  whether it will  increase the
borrowing   capacity  at  this  time.   The  credit   agreement  is  secured  by
substantially  all  of  the  Company's  oil  and  gas  properties  and  contains
restrictions on dividends and additional liens and indebtedness and requires the
maintenance  of a minimum  current  ratio and net worth,  each as defined in the
credit  agreement.  As of June 30, 1998, the Company was not in compliance  with
certain covenants of the credit agreement  pertaining to minimum working capital
and aging of accounts  payable.  The bank has agreed to waive these instances of
non-compliance through September 30, 1998. The Company has contacted the bank to
secure an additional waiver of non-compliance  through December 31, 1998. In the
absence of an improvement in the Company's  working capital and accounts payable
aging, future waivers from the bank will be necessary.

         As a result of the Company's periodic review of each of its oil and gas
exploration and development  properties and its available  capital,  the Company
has  occasionally  sold  partial  interests  in specific oil and gas projects to
other investors to reduce its total investment  commitment to such projects.  No
gain or loss has been recognized on these  transactions.  In September 1998, the
Company  sold  one  of  its  properties   located  in  Cove  Field,   Texas  for
approximately  $440,000  (of which  $200,000  was used to reduce the  balance of
borrowings on the company's bank credit agreement). In accordance with full-cost
accounting  rules,  no gain or loss  was  recorded  on this  sale of oil and gas
property.   The  Company  is  currently  reviewing  its  portfolio  to  identify
properties  to  be  marketed  to  industry  partners  for  cash   consideration,
reversionary working interests or some combination  thereof.  Such interests may
consist of both producing wells and future drilling locations.

                                       6
<PAGE>

         As of the date of this filing, there were three probable property sales
with proceeds aggregating  approximately $3.7 million, each of which is expected
to close in the fourth  quarter of 1998.  Management  intends to utilize all the
proceeds  from these  property  sales to reduce the balance of borrowings on the
company's bank credit agreement and current payables.  Because none of the sales
are expected to have a significant  effect on the oil and gas property depletion
rate,  no gain or loss is  expected  to be  recognized  in income on these sales
transactions.  The properties'  discounted future net cash flows as of September
30, 1998 totaled  approximately $3.2 million. Net revenues from these properties
for the year ended  December  31, 1997 and the  six-month  period ended June 30,
1998 approximated $0.2 million and $0.8 million, respectively.

         However,  there can be no  assurance  that the Company  will be able to
complete any such  property  sales,  or that the terms of such  potential  sales
would be acceptable to the Company.

          The Company  expects that its projected net cash flows from  currently
producing   properties   will  be  sufficient  to  fund  its  cash  general  and
administrative  costs for the remainder of 1998 and the first six month of 1999,
including  technical  employee  and related  costs which are  capitalized  under
full-cost   accounting.   The  Company's   short-term  and  mid-term  cash  flow
projections,  including planned capital  expenditures,  are unusually  uncertain
because  they will be  significantly  affected  by the  outcome of the  possible
property sales  discussed  above.  The Company's  projections of cash flows from
currently  producing  properties could also be adversely affected by declines in
oil and gas  prices  below  current  levels  or  anticipated  seasonal  lows and
unanticipated declines in oil and gas production from existing properties.

         The Company intends to seek additional financing to satisfy its capital
requirements.  The Company is currently  evaluating other alternatives to obtain
additional equity  financing,  which include future sales of common or preferred
stock. In the absence of additional  financing,  the Company anticipates that it
will be  required  to modify  the  implementation  and timing of its oil and gas
exploration  and  development   capital   spending  for  1998  and  1999,  which
modification  could have a material adverse effect on the Company.  No assurance
can be given that the Company  will be able to obtain  additional  financing  on
terms  which  would be  acceptable  to the  Company,  if at all.  The  Company's
inability to obtain additional financing would have a material adverse effect on
the Company.

EFFECTS OF INFLATION AND CHANGES IN PRICE

          The  Company's  results of  operations  and cash flows are affected by
changing oil and gas prices. If the price of oil and gas increases  (decreases),
there could be a  corresponding  increase  (decrease) in the operating cost that
the  Company  is  required  to bear  for  operations,  as  well  as an  increase
(decrease) in revenues. Historically,  general price inflation has had a minimal
effect on the Company.

OTHER

         In connection  with stock options  granted within one year prior to the
initial  filing of the  registration  statement  relating to the initial  public
offering,  the  Company  recorded  deferred  compensation  expense  based on the
difference between the option exercise price and the fair value of the Company's
common  stock at the date of grant,  using the $11.00 per share  initial  public
offering price as an estimate of the fair value.  Such deferred  compensation is
being amortized as additional  compensation  expense over the vesting period for
the  options.  As of December  31, 1997,  the Company had  unamortized  deferred
compensation  of $512,132 which will be charged to expense during the next three
years.  The Company has elected not to adopt the fair value  accounting  of SFAS
No. 123 for employees and continues to account for these plans under APB Opinion
No. 25.

         The Company has assessed the expected  impact of the date change in the
Year 2000 on the software  programs used in its operations.  The majority of the
Company's technical  applications are not date sensitive.  The applications that
do have date sensitive  aspects,  including the Company's  accounting  software,
have either been updated to  compensate  for the date change in the Year 2000 or
are currently being updated by the software  vendors.  Based on this assessment,
the  Company  does not  expect  to have any  significant  operational  issues or
material costs related to the Year 2000 software issue.

                                       7
<PAGE>

                                     PART IV


ITEM 14.  EXHIBITS, FINANCIAL STATEMENT SCHEDULES AND REPORTS ON FORM 8-K

     (a)(1) FINANCIAL STATEMENTS:

     INDEX TO FINANCIAL STATEMENTS                                          PAGE

    Report Of Independent Public Accountants................................ F-1

     Balance Sheets as of December 31, 1997 and 1996........................ F-2

     Statements of Operations for the three years ended December 31, 1997... F-3

     Statements of Changes in Common Stockholders' Equity for the three
          years ended December 31, 1997..................................... F-4

     Statements of Cash Flows for the three years ended December 31, 1997... F-5

     Notes to Financial Statements.......................................... F-6

     Supplementary Information - Unaudited..................................F-15

     (a)(2) FINANCIAL STATEMENT SCHEDULES:

           Not applicable

     (a)(3)EXHIBITS:

     INDEX TO EXHIBITS

EXHIBIT
NUMBER                         DESCRIPTION OF EXHIBIT

4.2       Common  Stock  Subscription  Agreement,  dated as of August  21,  1998
          between 3DX  Technologies,  Inc. and Santa Fe Energy  Resources,  Inc.

23.1      Consent of Arthur Andersen LLP

23.2      Consent of Ryder Scott Company


     (b)  REPORTS ON FORM 8-K:

There  were no  Current  Reports  on Form 8-K filed  during  the  quarter  ended
December 31, 1997 and the following were filed through the date hereof:

(1)  Current  Report  on  Form  8-K  filed  with  the  Securities  and  Exchange
     Commission on June 16, 1998.

(2)  Current  Report  on  Form  8-K  filed  with  the  Securities  and  Exchange
     Commission on September 9, 1998.

                                       8

<PAGE>



                    REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS




To the Stockholders and the Board of Directors
of 3DX Technologies Inc.:

We have audited the  accompanying  balance  sheets of 3DX  Technologies  Inc. (a
Delaware  corporation)  as of  December  31,  1997  and  1996,  and the  related
statements of  operations,  changes in  stockholders'  equity and cash flows for
each of the three years in the period ended December 31, 1997.  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 3DX Technologies  Inc. as of
December 31, 1997 and 1996, and the results of its operations and its cash flows
for each of the three years in the period ended December 31, 1997, in conformity
with generally accepted accounting principles.

As discussed  further in Note 11,  subsequent to February 25, 1998,  the date of
our original report, the Company's capital spending commitments exceeded sources
of financing  ultimately  arranged  during the second  quarter and the unaudited
financial  statements  as of and for the  six-month  period ended June 30, 1998,
reflected  that the Company had incurred  losses of $6.4 million and its current
liabilities  exceeded its current assets by $2.8 million.  These factors,  among
others as described in Note 11,  create  substantial  doubt about the  Company's
ability to continue as a going  concern.  Management's  plans in regard to these
matters are also described in Note 11. The accompanying  financial statements do
not include any adjustments relating to the recoverability and classification of
asset carrying  amounts or the amount and  classification  of  liabilities  that
might result should the Company be unable to continue as a going concern.


                                       ARTHUR ANDERSEN LLP

Houston, Texas
February 25, 1998, except as to
Note 11, which is as of
September 8, 1998

                                      F-1

<PAGE>



                              3DX TECHNOLOGIES INC.

                                 BALANCE SHEETS

<TABLE>
<CAPTION>

                                                                                        DECEMBER 31,
                                                                            --------------------------------------
                                                                                  1997                1996
                                                                                  ----                ----
                                                      ASSETS

<S>                                                                           <C>                   <C>
Current assets:
   Cash and cash equivalents..............................................     $   1,568,091         $17,521,745
   Accounts receivable....................................................         1,181,083             554,210
   Prepaid expenses.......................................................           110,681             165,095
                                                                                ------------         -----------
     Total current assets.................................................         2,859,855          18,241,050
                                                                                ------------         -----------
Property and equipment:
   Oil and gas properties, full-cost method:
     Evaluated............................................................        22,521,673           7,164,397
     Unevaluated..........................................................        10,098,698           4,403,165
   Technical interpretation equipment.....................................         2,605,439           1,505,534
   Other property and equipment...........................................           273,780             205,531
                                                                                ------------         -----------
                                                                                  35,499,590          13,278,627
   Less accumulated depletion, depreciation and amortization..............       (17,127,846)         (4,702,296)
                                                                                ------------         -----------
                                                                                  18,371,744           8,576,331
   Other assets...........................................................            78,041               9,808
                                                                                ------------         -----------
                                                                                $ 21,309,640         $26,827,189
                                                                                ============         ===========
</TABLE>

<TABLE>
<CAPTION>

                                                         LIABILITIES AND STOCKHOLDERS' EQUITY

<S>                                                                           <C>                  <C>
Current liabilities:
   Accounts payable.......................................................     $  1,713,209        $  1,960,984
   Accrued liabilities....................................................        1,778,543             292,581
                                                                               ------------         -----------
     Total current liabilities............................................        3,491,752           2,253,565
                                                                               ------------         -----------
Stockholders' equity:
   Preferred stock, $.01 par value, 1,000,000 shares authorized,
       none issued........................................................                -                   -
   Common stock, $.01 par value,  20,000,000 shares  authorized,  7,225,462
     and 6,841,177 shares issued and outstanding, respectively............           72,255              68,412

   Paid-in capital........................................................       38,085,357          34,189,700
   Deferred compensation..................................................         (512,132)           (893,040)
   Accumulated deficit....................................................      (19,827,592)         (8,791,448)
                                                                               ------------        ------------
     Total stockholders' equity...........................................       17,817,888          24,573,624
                                                                               ------------        ------------
                                                                               $ 21,309,640        $ 26,827,189
                                                                               ============        ============
</TABLE>



   The accompanying notes are an integral part of thesefinancial statements.


                                      F-2

<PAGE>

                              3DX TECHNOLOGIES INC.

                            STATEMENTS OF OPERATIONS
<TABLE>
<CAPTION>


                                                                                  YEARS ENDED DECEMBER 31,
                                                                    ------------------------------------------------------
                                                                          1997               1996               1995
                                                                          ----               ----               ----

<S>                                                                    <C>              <C>                 <C>
     Revenues:
        Oil and gas................................................    $  3,045,447      $    851,827       $    274,511
        Interest and other.........................................         585,154           247,960            236,186
                                                                       ------------       -----------       ------------
          Total revenues...........................................       3,630,601         1,099,787            510,697
                                                                       ------------       -----------       ------------

     Costs and expenses:
        Lease operating............................................         257,291            49,016             60,877
        Production taxes...........................................         178,952            58,660             17,656
        Impairment of oil and gas properties.......................       9,061,240         1,476,690          1,627,321
        Depletion, depreciation, and amortization..................       2,636,305           422,839            158,336
        General and administrative.................................       2,532,957         1,827,946          1,134,882
                                                                       ------------        ----------         ----------
          Total costs and expenses.................................      14,666,745         3,835,151          2,999,072
                                                                       ------------        ----------         ----------

     Net loss......................................................     (11,036,144)       (2,735,364)        (2,488,375)
     Dividends on preferred stock..................................               -          (520,393)        (1,058,956)
     Redemption premium on Series B preferred stock................               -          (365,810)                 -
     Accretion on preferred stock..................................               -           (54,844)           (48,408)
                                                                       ------------       ------------       ------------
                                                                                  -

     Net loss applicable to common stockholders....................    $(11,036,144)      $(3,676,411)       $(3,595,739)
                                                                        ===========        ==========         ==========

     Basic and diluted net loss per common share...................          $(1.53)          $(1.21)            $(1.20)
                                                                              =====            =====              =====


     Weighted average number of common shares outstanding..........       7,193,837         3,042,466          2,987,908
                                                                          =========         =========          =========
</TABLE>










   The accompanying notes are an integral part of these financial statements.


                                      F-3

<PAGE>

                              3DX TECHNOLOGIES INC.

                  STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY

<TABLE>
<CAPTION>


                                  COMMON STOCK                                                        STOCK
                              ----------------------  PAID-IN        DEFERRED      ACCUMULATED    SUBSCRIPTIONS
                                SHARES     AMOUNT     CAPITAL      COMPENSATION      DEFICIT       RECEIVABLE         TOTAL
<S>                           <C>          <C>        <C>         <C>             <C>              <C>            <C>
Balance at December 31, 1994.  2,987,908   $29,879    $ 841,604   $          -    $ (1,519,298)    $(26,157)       $  (673,972)
Principal collections........          -         -            -              -                -      36,156             36,156
Shares issued during 1995....          -         -            -              -                -     (57,755)           (57,755)
Accrual of dividends.........          -         -            -              -      (1,058,956)           -         (1,058,956)
Accretion on preferred stock.          -         -            -              -         (48,408)           -            (48,408)
Deferred         compensation
   related to  certain  stock          -         -      888,855       (888,855)               -           -                  -
   options...................
Compensation  expense related
   to certain stock options..          -         -            -         50,991                -           -             50,991
Net loss.....................          -         -            -              -      (2,488,375)           -         (2,488,375)
                              ---------- ----------  -----------    ------------    -----------  -----------        -----------
Balance at December 31, 1995.  2,987,908    29,879     1,730,459      (837,864)     (5,115,037)     (47,756)        (4,240,319)
Principal collections........          -         -             -             -                -      47,756             47,756
Shares  issued upon  exercise
   of stock options..........      3,124        31           573             -                -           -                604
Accrual of dividends.........          -         -             -             -        (520,393)           -           (520,393)
Accretion on preferred stock.          -         -             -             -         (54,844)           -            (54,844)
Deferred         compensation
   related to  certain  stock
   options...................          -         -       922,806       (922,806)              -           -                  -
Compensation  expense related
   to certain stock options..          -         -             -        867,630               -           -            867,630
Shares   issued  in   Initial
   Public  Offering  (net  of
   offering costs)...........  2,400,000    24,000     23,539,064            -                -           -         23,563,064
Conversion    of   Series   C
   preferred to common stock.  1,450,145    14,502      7,996,798            -                -           -          8,011,300
Redemption    of   Series   B
   preferred stock...........          -         -             -             -          (365,810)         -           (365,810)
Net loss.....................          -         -             -             -        (2,735,364)         -         (2,735,364)
                              -----------  -------- -------------    -----------      -----------  -----------      -----------
Balance at December 31, 1996.  6,841,177    68,412     34,189,700      (893,040)      (8,791,448)         -         24,573,624
Shares       issued       for
   over-allotment............    375,000     3,750      3,796,396            -                 -          -          3,800,146
Shares  issued  for  exercise
   of stock options..........      9,285        93          3,155                              -          -              3,248
Deferred         compensation
   related to  certain  stock          -         -         96,106       (96,106)               -          -                 -
   options...................
Compensation  expense related
   to certain stock options..          -         -              -        477,014               -          -            477,014
Net loss.....................                                                 -    (11,036,144)           -        (11,036,144)
                              ---------- ----------    ----------    ------------    ----------- -------------     -------------
                                       -         -              -
Balance at December 31, 1997.  7,225,462   $72,255    $38,085,357    $  (512,132)   $(19,827,592) $       -       $  7,817,888
                               =========    ======     ==========     ==========     ===========   =============    ===========
</TABLE>



   The accompanying notes are an integral part of these financial statements.


                                      F-4



<PAGE>

                              3DX TECHNOLOGIES INC.

                            STATEMENTS OF CASH FLOWS

<TABLE>
<CAPTION>

                                                                         YEARS ENDED DECEMBER 31,
                                                           ------------------------------------------------------
                                                                 1997               1996              1995
                                                                 ----               ----              ----
<S>                                                            <C>               <C>              <C>
CASH FLOWS FROM OPERATING ACTIVITIES:
   Net loss...............................................    $(11,036,144)      $(2,735,364)     $(2,488,375)
   Adjustments  to reconcile net loss to net cash provided
     by (used in) operating activities:
        Depletion, depreciation and amortization..........       3,366,242           883,962          446,350
        Compensation  expense  related  to  certain  stock
           options........................................         477,014           867,630           50,991
        Impairment of oil and gas properties..............       9,061,240         1,476,690        1,627,321
        Increase in accounts receivable...................        (626,873)         (440,506)         (45,485)
        (Increase) decrease in prepaid expenses...........          54,414           (79,309)         (76,188)
        Increase (decrease) in accounts payable...........        (107,291)          388,767           (3,005)
        Increase (decrease) in accrued liabilities........         240,963           253,415          (14,540)
                                                              ------------        ----------       -----------
   Net cash provided by (used in) operating activities....       1,429,565           615,285         (502,931)
                                                              ------------        ----------       -----------

CASH FLOWS FROM INVESTING ACTIVITIES:
   Additions to oil and gas properties....................     (19,948,293)        (6,166,219)      (2,185,804)
   Sales of oil and gas properties........................               -                  -          480,931
   Purchases of technical and other equipment.............      (1,168,154)          (456,264)        (800,573)
   Proceeds  from   (purchases  of)  securities   held  to
    maturity..............................................               -          1,595,167       (1,595,167)
   Other..................................................         (70,166)             5,000          (12,886)
                                                               -----------        -----------       ----------
   Net cash used in investing activities..................     (21,186,613)        (5,022,316)      (4,113,499)
                                                               -----------        -----------       ----------

CASH FLOWS FROM FINANCING ACTIVITIES:
   Common stock proceeds, net of issuance costs...........       3,803,394         23,563,668                -
   Series B  preferred  stock  proceeds,  net of  issuance
     costs................................................               -                  -           25,297
   Series C  preferred  stock  proceeds,  net of  issuance
     costs................................................               -            143,843        7,851,133
   Redemption of Series B preferred stock.................               -         (6,687,100)               -
   Payment of Series C preferred stock dividends..........                           (795,649)
                                                              ------------       ------------       ----------
                                                                         -                                   -
   Net cash provided by financing activities..............       3,803,394         16,224,762        7,876,430
                                                              ------------         ----------       ----------
Net change in cash and cash equivalents...................     (15,953,654)        11,817,731        3,260,000
Cash and cash equivalents at beginning of year............      17,521,745          5,704,014        2,444,014
                                                              ------------        -----------       ----------
Cash and cash equivalents at end of the year..............    $  1,568,091        $17,521,745      $ 5,704,014
                                                               ===========         ==========       ==========

SUPPLEMENTAL CASH FLOW INFORMATION
NON-CASH TRANSACTIONS:
     Dividends declared but not paid...................... $                  $                    $   275,256
                                                                         -                  -
     Accretion on preferred stock.........................                             54,844           48,408
                                                                         -
     Redemption premium on Series B preferred stock.......               -            365,810                -
     Stock dividend on Series B preferred stock...........               -                  -          783,700
     Sale of  Series C  preferred  stock in  exchange  for
         promissory notes.................................               -                  -           57,755

</TABLE>

   The accompanying notes are an integral part of these financial statements.

                                      F-5

<PAGE>

 1. ORGANIZATION AND BASIS OF PRESENTATION

         3DX  Technologies  Inc.  ("3DX" or the "Company")  began  operations in
January  1993 to  offer  3-D  seismic  imaging  and  computer-aided  exploration
capabilities  as a partner to  experienced  oil and gas  operators.  The Company
combines its 3-D imaging  capabilities  with the operator's  local knowledge and
infrastructure  to evaluate  and  exploit  drilling  opportunities.  The Company
primarily  invests in prospects in the Gulf Coast region of the U.S.,  where 3-D
seismic  evaluation  and  interpretation  is expected to reduce  drilling  risk.
Working  interests  in major  prospects  have  ranged from 5% to 40% in property
investments to date.

         The Company was initially funded by its three founding stockholders and
by  Landmark  Graphics  Corporation  (Landmark),  a Houston  company  which is a
leading  supplier of  interactive  computer-aided  exploration  systems  used by
geoscientists  to analyze  subsurface  data in the process of exploring  for and
producing  petroleum  reserves.  The  three  founding  stockholders  of 3DX were
formerly employed by Landmark.

2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

OIL AND GAS PROPERTIES

         3DX accounts for its oil and gas properties using the full-cost method.
All costs  associated with the  acquisition,  exploration and development of oil
and gas  properties,  including  such  costs  as  leasehold  acquisition  costs,
geological  and  geophysical  expenditures,  dry hole  costs  and  tangible  and
intangible   development  costs,  are  capitalized  as  incurred.   Included  in
capitalized costs for 1997, 1996 and 1995 are general and  administrative  costs
of $1,962,691,  $1,146,722, and $618,614,  respectively.  Such capitalized costs
include payroll and related costs of exploration  department personnel which are
directly  attributable  to the Company's  current  exploration  and  development
activities.  Other  costs,  such  as  office  and  facilities  costs,  technical
equipment maintenance, depreciation and support and communication costs are also
capitalized  to the extent  they are  attributed  to the  Company's  oil and gas
property  acquisition  and  exploration  activities  and would not  otherwise be
incurred if such activities were not being undertaken.

         Dispositions   of  proved  oil  and  gas  properties  are  reported  as
adjustments to capitalized  costs,  with gains and losses not recognized  unless
such adjustments would significantly alter the relationship  between capitalized
costs and estimated proved oil and gas reserves.

         The evaluated  costs of oil and gas properties  plus  estimated  future
development  and  dismantlement  costs  (including  plugging,   abandonment  and
site-restoration  costs) are charged to operations as  depreciation,  depletion,
and  amortization  using  the  unit-of-production  method  based on the ratio of
current  production to estimated  proved  recoverable oil and gas reserves.  The
Company excludes unevaluated property costs from the depreciation, depletion and
amortization  calculations  until  proved  reserves  have been  discovered  or a
determination of impairment has been made.  Unevaluated properties are evaluated
for impairment on a property-by-property basis.

         Impairment of capitalized costs of oil and gas properties is determined
for each cost center on a country-by-country basis. For each cost center, to the
extent  that  capitalized  costs  of oil  and  gas  properties,  net of  related
accumulated  depreciation,  depletion and  amortization and any related deferred
income  taxes,  exceed the future net revenues of  estimated  proved oil and gas
reserves, discounted at 10% and net of any income tax effects, plus the lower of
cost or fair value of unevaluated  properties,  such excess costs are charged to
operations as an impairment of oil and gas properties. Writedowns of $9,061,240,
$1,476,690  and   $1,627,321   were  recorded   during  1997,   1996  and  1995,
respectively.

         Other  property and equipment,  consisting of technical  interpretation
equipment  and related  software and office  furniture,  equipment and leasehold
improvements are recorded at cost. Depreciation is determined on a straight-line

                                      F-6
<PAGE>

basis over the estimated  useful lives of the assets,  which range from three to
five years.  Depreciation  of other  property and  equipment  totaled  $728,005,
$459,189 and $288,014 for 1997, 1996 and 1995, respectively,  and is included in
general and administrative expenses.

ACCOUNTING FOR INCOME TAXES

         The Company  provides  deferred  income taxes at the balance sheet date
for the  estimated  tax  effects of  differences  in the tax basis of assets and
liabilities and their financial statement carrying amounts.

NATURAL GAS REVENUES

         Natural gas revenues are recorded  using the sales method,  whereby the
Company  recognizes  natural  gas  revenues  based on the  amount of gas sold to
product purchasers on its behalf. The Company has no material gas imbalances.

RENTAL INCOME

         The Company has an informal  income-sharing  arrangement with a seismic
processing  company  whereby the Company  receives a  percentage  of the seismic
processing  company's gross billings in exchange for office space and the use of
technical  equipment  provided by the Company.  The Company's  share of billings
under this arrangement amounted to $264,651, $229,556, and $58,195 in 1997, 1996
and 1995, respectively, and is reflected as a reduction of the Company's general
and administrative expenses.

NET LOSS PER COMMON SHARE

         In February  1997,  the  Financial  Accounting  Standards  Board (FASB)
issued Statement of Financial Accounting Standards (SFAS) No. 128, "Earnings Per
Share,"  which  establishes  new  computation,   presentation,   and  disclosure
requirements  for  earnings  per share for public  companies.  The  statement is
effective for financial  statements issued for periods ending after December 15,
1997.  In  connection  with this new  statement,  the  Securities  and  Exchange
Commission issued Staff Accounting Bulletin (SAB) No. 98, which prescribes a new
accounting treatment for the impact on earnings per share of "nominal issuances"
of common stock and common  stock  options  issued  within one year prior to the
filing of a  registration  statement  for an initial  public  offering of common
stock.  Under the prior rules,  common stock options  having a nominal  exercise
price issued within one year of an initial  public  offering were required to be
reflected retroactively in the computation of earnings per share for all periods
even if the  effect  was  antidilutive.  Under SAB No. 98,  these  common  stock
options are only required to be reflected in earnings per share if the effect is
dilutive.  The Company has restated all prior  periods to reflect this change in
accounting  principle.  The effect of this change is presented in the  following
table:
<TABLE>
<CAPTION>
                                                                           YEARS ENDED DECEMBER 31,
                                                                     -------------------------------------
                                                                     1997            1996             1995
                                                                     ----            ----             ----
<S>                                                          <C>                <C>              <C>
Basic  and   diluted  net  loss  per  common   share,   as
  previously reported.....................................    $     (1.53)       $  (1.16)        $  (1.14)
Retroactive effect of change in accounting principle......             -            (0.05)           (0.06)
                                                                    ------          ------           ------
Basic and diluted net loss per common share...............    $     (1.53)       $  (1.21)        $  (1.20)
                                                                    ======          ======           ======
</TABLE>

         The  computation  of basic and  diluted  net loss per common  share was
based entirely on the weighted average common shares outstanding.  Stock options
which are potentially  dilutive were excluded from the net loss per common share
calculation  in each of the  years  presented  as the  effect  would  have  been
antidilutive. See Note 7 for the number of stock options outstanding.

                                      F-7
<PAGE>

STATEMENTS OF CASH FLOWS

         For the purposes of the statements of cash flows, the Company considers
all highly liquid investments purchased with original maturities of three months
or less to be cash equivalents.

CONCENTRATION OF CREDIT RISK

         All of the  Company's  receivables  are due from oil and gas  producing
companies  located in the United  States.  The Company has not  experienced  any
significant credit losses related to its receivables.

MAJOR CUSTOMERS

         Operators  for  producing  oil and gas wells in which the Company holds
working  interests  sold the Company's  share of oil and gas production to three
major customers  during the years ended December 31, 1997, 1996 and 1995.  Sales
to one  customer  represented  63% and 58% of oil and gas  revenues  in 1997 and
1996, respectively.
During 1995, sales to two customers represented 79% of oil and gas revenues.

FAIR VALUE OF FINANCIAL INSTRUMENTS

         The carrying amounts of cash and cash equivalents, accounts receivable,
account payable and accrued liabilities are short-term in nature and approximate
fair value.

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  liabilities  and
disclosure  of  contingent  assets and  liabilities,  if any, 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 reserve estimates, which are the basis for units-of-production depletion and
impairment of oil and gas properties,  are inherently imprecise and are expected
to change as future information becomes available.

PRIOR YEAR RECLASSIFICATIONS

         Certain prior year amounts have been  reclassified  to conform with the
current presentation.

ACCOUNTING PRONOUNCEMENTS

         In June 1997, the Financial  Accounting Standards Board issued SFAS No.
130,  "Reporting  Comprehensive  Income"  and SFAS No. 131,  "Disclosures  About
Segments  of an  Enterprise  and  Related  Information."  SFAS  130  establishes
standards  for  reporting  and  displaying  of  comprehensive   income  and  its
components.  SFAS  No.  131  establishes  standards  for  the  way  that  public
enterprises report information about operating segments and related  information
in interim and annual financial  statements.  SFAS 130 and 131 are effective for
periods  beginning  after December 15, 1997.  These two statements will not have
any effect on the Company's  1997  financial  position or results of operations.
Management is presently  evaluating what, if any, additional  disclosures may be
required when these two statements are implemented.

3. INCOME TAXES

         Significant  components of the Company's  deferred tax  liabilities and
assets are as follows:

                                      F-8
<PAGE>

<TABLE>
<CAPTION>

                                                             DECEMBER 31,
                                                    --------------------------------
                                                         1997              1996
                                                         ----              ----
<S>                                                   <C>              <C>
Deferred tax liability:
  Exploration    and    development    expenditures
   deducted for tax and capitalized for books.....    $    981,479      $   (325,812)
  Other items, net................................         (70,968)          (54,872)
                                                         ----------      ------------
        Total deferred tax liability..............          910,511         (380,684)
                                                         ----------      ------------
Deferred tax assets:
  Net operating loss carryforwards................        3,803,419        2,039,546
  Other items, net................................          836,151          126,517
                                                         ----------      -----------
        Total deferred tax assets.................        4,639,570        2,166,063
  Less: Valuation allowance.......................      (5,550,081)       (1,785,379)
                                                        -----------       ----------
Net deferred tax assets...........................        (910,511)          380,684
                                                        -----------       ----------
Net deferred tax liability........................    $          -      $          -
                                                        ===========      ===========
</TABLE>


         The Company did not record any current or deferred income tax provision
or benefit in any of the periods presented.  The Company's  provision for income
taxes  differs  from the amount  computed by  applying  the  statutory  rate due
principally to the valuation  allowance  recorded against its deferred tax asset
account relating to net operating tax loss  carryforwards.  Management  believes
that such allowance is necessary  until there is greater  assurance that the net
operating tax loss carryforwards can be utilized.

         The Company has recorded a valuation allowance against its deferred tax
assets in each year to reflect the estimated  portion for which  realization  is
uncertain.  As of December  31,  1997,  the Company had tax net  operating  loss
carryforwards of approximately $11.2 million which begin to expire in 2008. As a
result of recent stock transactions,  including the initial public offering, the
Company's  utilization  of its net  operating  losses  under  Section 382 of the
Internal Revenue Code is limited.

4. CREDIT AGREEMENT

         On December 18, 1997,  the Company  executed a credit  agreement with a
commercial bank. The credit agreement  expires on June 30, 2002 and provides for
total borrowings of $25 million,  subject to availability under a borrowing base
calculation  which is redetermined on a quarterly basis.  The credit  agreement,
which is secured by  substantially  all of the  Company's  producing oil and gas
properties,  had a current  availability  of $3.0 million under Tranche A of the
agreement as of December 31, 1997.  There was no  availability  under Tranche B.
Tranche A advances  carry an interest rate, at the Company's  option,  of either
the London Interbank  Offered Rate ("LIBOR") plus 2% or the lender's prime rate.
Tranche  B  advances  carry an  interest  rate of  either  LIBOR  plus 4% or the
lender's  prime rate plus 2%.  The credit  agreement  contains  restrictions  on
dividends and additional  liens and indebtedness and requires the maintenance of
a minimum current ratio and net worth,  each as defined in the credit agreement.
There  were no  borrowings  under the  credit  agreement  during  the year ended
December 31, 1997.

5. MANDATORILY REDEEMABLE PREFERRED STOCK

SERIES B

         In November  1993,  the Company  issued 29,000 Series B equity units at
$100 per unit,  for total  proceeds  before  offering  costs of  $2,900,000.  In
October 1994, the Company issued 25,000 additional Series B equity units at $100
per unit, for total proceeds  before  offering costs of $2,500,000.  Each equity
unit consisted of one share of redeemable  Series B preferred  stock,  par value
$.01 per share  ("Series B Preferred  Stock"),  at $94.1558 per share and 30.215
shares of common stock, par value $.01 per share, at $0.19 per share. The Series

                                      F-9
<PAGE>

B Preferred Stock carried a redemption  value of $100 per share.  The difference
between  the  sales  price and the  redemption  value was  subject  to  pro-rata
accretion  which was charged to retained  earnings,  such that the book value of
each  share  of  Series B  Preferred  Stock  would  equal  $100 at the  required
mandatory redemption in two installments commencing in November 2002. The Series
B Preferred Stock also carried a cumulative annual dividend, payable on December
31 of each year,  of $12.50 per share if paid in cash or .13276 shares of Series
B Preferred Stock if paid in stock. All dividends were paid in additional shares
of Series B Preferred Stock. Series B equity units totaling  $1,025,000,  or 19%
of the total proceeds of the offering, were sold to related parties,  consisting
of  officers of the  Company,  consultants  and  Landmark.  Additionally,  units
totaling  $3,032,000,  or 56%, were sold to two investors and their  affiliates,
each of which  required  the  right to  designate  one  member  of the  Board of
Directors of the Company.

         In connection  with the initial public  offering which was completed on
December  26,  1996 (see Note 6), all of the issued  and  outstanding  shares of
Series B Preferred Stock were redeemed.  The unamortized  redemption  premium of
$365,810 was charged to the Company's accumulated deficit.

SERIES C

         During the period from July 26, 1995 through  September  25, 1995,  the
Company sold a total of 2,662,241 shares of senior redeemable convertible Series
C preferred  stock,  par value $.01 per share ("Series C Preferred  Stock"),  at
$3.00 per share,  for total proceeds  before  offering costs of $7,986,723.  The
Series C Preferred Stock carried a cumulative dividend at an annual rate of $.24
per share if paid in cash or .08 shares of Series C  Preferred  Stock if paid in
stock,  payable or accruing  quarterly,  commencing on December 31, 1995. Unpaid
dividends  earned  interest at an annual  interest  rate of 8%.  During the year
ended  December  31,  1996,  the  Company  paid  accrued  dividends  on Series C
Preferred  Stock of  $795,649.  Shares  totaling  $925,515,  or 12% of the total
proceeds, were sold to related parties, including consultants to and officers of
the Company,  as well as two directors and their affiliates.  Additionally,  one
investor purchased shares totaling  $3,999,999,  or 50% of the offering,  on the
condition  that it be given the right to designate  one member of the  Company's
Board of Directors.

         Each share of Series C Preferred Stock was  convertible  into one share
of common stock.  Subsequent  to the reverse  stock split in October 1996,  each
share was convertible  into .517 shares of common stock.  The Series C Preferred
Stock could be  automatically  converted to common stock upon the  occurrence of
certain  conversion  events,  including the successful  completion of an initial
public  offering  of the  Company's  common  stock if certain  pricing and other
criteria   were  met.   The  Series  C   preferred   stock  also   contained   a
mandatory-redemption  feature  under which the stock could be  redeemed,  at the
option of at least 67% of the holders,  at the $3.00 per share liquidation value
in two installments commencing in November 2002.

         In October  1995,  the Board of  Directors  granted  the holder of each
share of Series C Preferred Stock a warrant to purchase  additional shares equal
to 10% of the shares  owned by such  holder,  at an exercise  price of $3.00 per
share.  Such shares were  exercisable  at any time until the earlier of (a) five
years from the date of issuance and (b) the effective  date of an initial public
offering of the Company's securities. No value was assigned to these warrants as
the computed value of the warrants using the Black-Scholes model was zero.

         In connection  with the Initial Public  Offering which was completed on
December  26,  1996,  all of the  issued  and  outstanding  shares  of  Series C
Preferred  Stock,  and all  outstanding  Series C Preferred  Stock warrants were
converted into common stock.

STOCK SUBSCRIPTIONS RECEIVABLE

         Certain officers and directors of the Company purchased Series B equity
units and Series C Preferred Stock for promissory notes,  which are reflected as
an offset to equity in the  accompanying  financial  statements.  The promissory
notes were full  recourse and carried  interest at a fixed rate of 6% per annum.
The notes from the Company's  officers  were  collateralized  by certain  vested
stock options the individuals held from their former employer. The principal and
accrued  interest  on all notes for the  purchase  of equity  securities  of the
Company were paid off as of December 31, 1996.

         The following  table  summarizes the 1996 and 1995 activity of Series B
and Series C Preferred Stock:

                                      F-10
<PAGE>
<TABLE>
<CAPTION>
                                                                    REDEEMABLE PREFERRED STOCK
                                                    -----------------------------------------------------------
                                                            SERIES B                         SERIES C
                                                   ---------------------------      ----------------------------
                                                     SHARES        AMOUNT            SHARES         AMOUNT

<S>                                                  <C>       <C>                 <C>         <C>                             <C>
Balance at December 31, 1994................          59,034    $ 5,451,522                 -   $
                                                                                                            -
Shares issued during 1995...................               -              -         2,662,241       7,986,723
Offering costs..............................               -           (860)                -         (87,834)
Accrual of dividends........................           7,837        783,700                 -               -
Accretion to redemption value...............               -         43,464                             4,944
                                                   -----------  -----------        ----------    ------------
Balance at December 31, 1995................          66,871      6,277,826         2,662,241       7,903,833
Accretion to redemption value...............               -         43,464                 -          11,380
Redemption premium..........................               -        365,810
Redemption of Series B preferred............         (66,871)    (6,687,100)                -               -
Exercise of outstanding warrants
    For cash................................               -              -            32,029          96,087
    Under cashless tender...................               -              -           110,653               -
Conversion to common stock..................               -              -        (2,804,923)     (8,011,300)
                                                   -----------  ------------       -----------     ----------
Balance at December 31, 1996................               -    $                               $           -
                                                   ===========   ===========       ===========     ==========
</TABLE>


6. STOCKHOLDERS' EQUITY

         In May 1995,  the  stockholders  approved a 10-for-1 stock split of the
Company's  common stock.  In October 1996, the  stockholders  approved a reverse
stock split whereby holders of common stock received .517 shares of common stock
for every share  previously  owned.  All  references in this report to number of
common shares outstanding reflect stock splits retroactively to inception of the
Company.

         On December 26, 1996, the Company  completed an initial public offering
for the sale of  2,400,000  shares of common  stock at $11.00  per  share,  less
offering  costs.  In January 1997, the Company's  underwriters  exercised  their
30-day  over-allotment  option to purchase 375,000  additional  shares of common
stock at the offering price of $11.00 per share, less underwriting discounts and
commissions. Total proceeds to the Company from the initial public offering, net
of offering costs, were approximately $27.4 million.

7. STOCK OPTIONS

         In June 1994,  the Board of  Directors  approved  the 1994 Stock Option
Plan (the "Plan") for employees,  officers, directors and certain consultants of
the Company. The ten year options vest over four years for employees, 25% at the
end of each of the  first two years and  monthly  over the last 24  months.  For
directors and consultants, the options vest 50% at the end of the first year and
25% at the end of the  second and third  years.  Certain  of these  options  are
eligible for  accelerated  vesting upon a change of control of the Company.  The
Company has  reserved a total of  2,004,937  shares of common stock for issuance
under this Plan, of which 611,778 shares were available for grant as of December
31, 1997. The following  table  summarizes  option balances and activity for the
Plan:

                                      F-11
<PAGE>

<TABLE>
<CAPTION>
                                                                                          WEIGHTED
                                                                             NUMBER        AVERAGE
                                                                                 OF       EXERCISE
                                                                             SHARES          PRICE
                   --------------------------------------------------- -------------- -------------
<S>                                                                        <C>             <C>
                   Options outstanding, December 31, 1994...........        438,783         $ 0.22
                   Granted..........................................        248,160           0.56
                   Exercised........................................              -              -
                   Canceled.........................................              -              -

                   --------------------------------------------------- -------------- -------------
                   Options outstanding, December 31, 1995...........        686,943           0.34
                   Granted..........................................        267,806           1.52
                   Exercised........................................         (3,124)          0.19
                   Canceled.........................................       (157,146)          0.57

                   --------------------------------------------------- -------------- -------------
                   Options outstanding, December 31, 1996...........        794,479           0.70
                   Granted..........................................        628,656          10.33
                   Exercised........................................         (9,285)          0.35
                   Canceled.........................................        (33,100)          5.03

                   --------------------------------------------------- -------------- -------------
                   Options outstanding, December 31, 1997..........       1,380,750         $ 4.98
                   --------------------------------------------------- -------------- -------------


                   --------------------------------------------------- -------------- -------------
                   Exercisable options -
                       December 31, 1995............................        109,696          $0.22
                       December 31, 1996............................        344,396           0.28
                       December 31, 1997............................        554,183           0.56
                   --------------------------------------------------- -------------- -------------

</TABLE>

<TABLE>
<CAPTION>


                                                       WEIGHTED      WEIGHTED                       WEIGHTED
                      RANGE OF           OPTIONS        AVERAGE       AVERAGE         OPTIONS        AVERAGE
                      EXERCISE       OUTSTANDING      REMAINING      EXERCISE     EXERCISABLE       EXERCISE
                        PRICES       AT 12/31/97     LIFE (YRS)         PRICE     AT 12/31/97          PRICE
           -------------------- ----------------- -------------- ------------- --------------- --------------
<S>           <C>                     <C>                 <C>       <C>              <C>           <C>           <C>
                $0.19 to $0.58           734,693           7.02      $   0.37         537,897       $   0.32
               $7.79 to $11.88           646,057           9.40      $  10.23          16,286       $   8.30
                  Total                1,380,750           8.14      $   4.98         554,183       $   0.56

</TABLE>

         In connection with stock options granted within one year of the initial
public offering,  the Company recorded deferred  compensation as additional paid
in capital with a corresponding  offset to stockholders'  equity.  The amount of
deferred  compensation  is based on the difference  between the option  exercise
price and the $11.00 per share initial  public  offering  common stock price for
those options.  Deferred compensation is being amortized as compensation expense
over the option  vesting  period,  and totaled  $477,014,  $867,630  and $50,991
during  the  years  ended  December  31,  1997,  1996  and  1995,  respectively.
Unamortized deferred compensation as of December 31, 1997 amounted to $512,132.

         In October  1995,  the FASB issued SFAS No. 123.  SFAS No. 123 is a new
standard of accounting for stock-based compensation and establishes a fair value
method of  accounting  for awards  granted  after  December 31, 1995 under stock
compensation  plans. The Company has elected to continue accounting for employee
stock options under Accounting  Principles Board Opinion No. 25. Had the Company
elected to apply SFAS No. 123, the estimated  effects on net income and earnings
per share  resulting from grants made after December 31, 1994 would have been as
follows:

                                      F-12
<PAGE>

<TABLE>
<CAPTION>
                                                                    1997           1996            1995
                                                                    ----           ----            ----
       <S>                                                   <C>              <C>            <C>
        Net loss attributable to common stockholders:
             As reported.................................     $(11,036,144)    $(3,676,411)   $(3,595,739)
             Pro forma...................................      (11,587,856)     (3,391,345)    (3,588,257)

        Basic and diluted earnings per share:
             As reported.................................          $ (1.53)        $ (1.21)       $ (1.20)
             Pro forma...................................            (1.61)          (1.11)         (1.20)

        ---------------------------------------------------------------------------------------------------
        Pro forma assumptions:
             Risk free interest rate:
                Maximum..................................             6.72%           6.68%          5.98%
                Minimum..................................             5.91%           5.35%          5.59%
             Expected option life:
                Maximum..................................         4.5 years       4.5 years      5.0 years
                Minimum..................................         3.7 years       3.7 years      4.6 years

        ---------------------------------------------------------------------------------------------------
        Weighted  average  fair  value of  options  granted
             during the year.............................             $6.39           $8.95          $3.72

        ---------------------------------------------------------------------------------------------------
        Volatility factor................................              .703               -              -
        ---------------------------------------------------------------------------------------------------

</TABLE>
         Volatility was not considered in the calculation of option values prior
to December 26, 1996, as the Company was not publicly traded.

8. SAVINGS PLAN

         The  Company's  employees  participated,  prior to January 1, 1998,  in
Landmark's 401-K employee  savings plan (the Plan),  which became effective upon
inception  of the  Company.  The Plan covers  substantially  all  employees  and
entitles them to contribute up to 16% of their annual  compensation,  subject to
limitations  imposed by the Internal  Revenue Code. The Company did not make any
contributions  to the  Plan on  behalf  of  employees  during  any of the  years
presented.  Effective  January  1,  1998,  the  Company  established  a separate
employee savings plan exclusively for its employees with  substantially the same
terms and provisions as the previous Plan.

9. RELATED PARTIES

         Prior to the  Company's  initial  public  offering  of common  stock in
December  1996,  Landmark  was the  beneficial  owner of greater  than 5% of the
issued and  outstanding  Common  Stock and was  considered a related  party.  In
connection with its initial capitalization, the Company entered into a Technical
Services  Agreement with Landmark  pursuant to which Landmark agreed to grant to
the Company  ongoing  licenses to use Landmark  software as Landmark  first made
such software  available to its customers.  In addition,  the agreement provides
for a strategic  alliance  between  Landmark and the Company,  which enables the
Company  to  request,  and  requires  Landmark  to  deliver,   enhancements  and
modifications  to  existing  Landmark  software  and, in certain  instances,  to
develop new software for use in the Company's oil and gas  exploration  efforts.
In exchange  for such  rights,  the Company has agreed to serve as an alpha test
site for software developed by Landmark. During 1997, 1996 and 1995, the Company
purchased  technical equipment and software,  supplies and hardware  maintenance
from Landmark in the amounts of $645,109, $267,007 and $521,128, respectively.

         In addition,  the Company and Landmark were also parties to an informal
arrangement pursuant to which the Company's employees participated in Landmark's

                                      F-13
<PAGE>

medical  insurance plan, life insurance plans and 401(k) employee  savings plan.
The Company  reimburses  Landmark  for the costs of  providing  these  benefits,
together with an  administrative  fee.  Effective  January 1, 1998,  the Company
ceased to  participate in this informal  arrangement  and  established  separate
benefit plans exclusively for its employees.

         In April 1995,  the Company sold 66.67% of its working  interest in the
Double Diamond Jones Ranch  prospect to a group of individual  investors who are
stockholders  in the Company  through a limited  partnership.  Proceeds from the
sale,  which  represented  both the estimated  fair market value of the interest
sold as well as 3DX's  proportionate  cost to date on the prospect,  amounted to
$480,931. No gain or loss was recorded on this transaction.

10. COMMITMENTS

         In  March  1995,  the  Company  entered  into  a  5-year  office  lease
agreement. Future minimum payments under this non-cancelable office lease are as
follows at December 31, 1997:

 1998.......................................................        $  94,633
 1999.......................................................           94,633
 2000.......................................................           15,772
                                                                      -------
 Total minimum lease payments...............................         $205,038
                                                                      =======

         Rental  expense  under this office lease  amounted to $94,633,  $94,633
and  $83,919  during  the  years  ended  December  31,  1997,   1996  and  1995,
respectively.

11. RECENT DEVELOPMENTS (AS OF SEPTEMBER 8, 1998) - GOING CONCERN UNCERTAINTY

         The accompanying  financial statements have been prepared assuming that
the Company will  continue as a going  concern.  During  1998,  the Company made
capital spending commitments with the contractual understanding that it had $5.0
million of  available  borrowing  capacity  under its credit  agreement  and the
expectation that it would be successful in obtaining  additional capital through
the sale of property interests and additional equity offerings.

         In April 1998,  the bank,  based on their  assessment  of the Company's
proved reserves at December 31, 1997, reduced the Company's  available borrowing
capacity to $2.0  million,  all of which had been  borrowed as of June 30, 1998.
Also,  the  Company  has  not  yet  sold  any of its  interests  in oil  and gas
properties.

         On June 3,  1998,  the  Company  signed  a  common  stock  subscription
agreement  for the sale of  1,462,044  shares of its common  stock at a purchase
price of $1.50. The agreement also granted the purchasers the option to purchase
up to 1,871,290 additional shares of common stock at a per share price of $1.50.
On June 10, 1998 the Company  successfully  completed  the sale of the 1,462,044
shares of common  stock for net  proceeds of  approximately  $2.1  million.  The
related option to purchase additional shares expired without being exercised.

         As of June 30,  1998,  the Company was not in  compliance  with certain
covenants of the credit agreement pertaining to minimum working capital balances
and aging of  accounts  payable.  The bank agreed to waive  these  instances  of
non-compliance  through  September  30,  1998.  As  a  result  of  the  covenant
violation, the Company had to classify the balance of its long-term debt of $2.0
million as a current liability in the June 30, 1998 unaudited balance sheet.

         The Company's  continuation  as a going  concern is dependent  upon its
ability to generate  sufficient  cash flow to meet its  obligations  on a timely
basis and to comply with the terms of its financing agreement.  Based on current
economic conditions,  the Company will require sources of capital in addition to

                                      F-14
<PAGE>

projected   cash   generated   from   operations  to  fund  its  future  capital
expenditures.  Management  of the Company  continues  to be actively  engaged in
soliciting new investors to provide  additional funding for its capital program.
Although the Company has identified  potential  sources of capital,  it does not
currently have any firm commitments from potential investors.

         The lack of firm  commitments for additional  financing,  combined with
recurring  losses  and a deficit  in  working  capital  (the  unaudited  interim
financial  statements  reflect  an  additional  $6.4  million  of losses for the
six-month  period  ended  June 30,  1998 and a working  capital  deficit of $2.8
million as of June 30, 1998),  raise  substantial doubt about the ability of the
Company to continue as a going concern. In the absence of additional  financing,
the Company may be required to reduce its planned level of capital  expenditures
or pursue other financial alternatives,  which could include a sale or merger of
the Company. The financial statements do not include any adjustments relating to
the  recoverability  and  classification of asset carrying amounts or the amount
and  classification  of  liabilities  that might result from the outcome of this
uncertainty.











                                      F-15
<PAGE>



                              3DX TECHNOLOGIES INC.
                      SUPPLEMENTARY INFORMATION - UNAUDITED


QUARTERLY FINANCIAL DATA (UNAUDITED)

     The  table  below  sets  forth  selected  unaudited   quarterly   financial
information for 1997 and 1996:

<TABLE>
<CAPTION>
        ------------------------------------ --------------------------------------------------------------------
                                                                       QUARTER ENDED:
        ------------------------------------ --------------------------------------------------------------------
                                                MARCH 31          JUNE 30        SEPTEMBER 30      DECEMBER 31
                                                --------          -------        ------------      -----------

       <S>                                    <C>             <C>               <C>                 <C>

        1997:
        Revenues (a)......................     $   839,273     $    890,846      $   840,705         $ 1,059,777
        Net loss (b)......................         (40,458)        (460,474)        (590,225)         (9,944,987)
        Net  loss   applicable   to  common
            stockholders..................         (40,458)        (460,474)        (590,225)         (9,944,987)
        Basic  and  diluted  net  loss  per
            common share (c)..............           (0.01)           (0.06)           (0.08)             (1.38)

        1996:
        Revenues (a)......................     $   183,310     $    169,041      $   273,786        $    473,650
        Net loss (b)......................        (453,139)      (1,372,840)        (445,590)           (463,795)
        Net  loss   applicable   to  common
          stockholders....................        (638,434)      (1,554,939)        (624,496)           (858,542)
        Basic  and  diluted  net  loss  per
          common share as reported........           (0.20)           (0.49)           (0.20)             (0.26)
        Retroactive  effect  of  change  in
          accounting principle (d)........           (0.01)           (0.03)           (0.01)             (0.01)
                                                     ------           ------           ------             ------
        Basic  and  diluted  net  loss  per
          common share (c)................           (0.21)           (0.52)           (0.21)             (0.27)
                                                     ======           ======           ======             ======
</TABLE>

(a)  As discussed in Note 2, rental income has been  reflected as a reduction of
     general and administrative expense in all periods presented.
(b)  As  discussed  in Note 2, the Company  recorded a writedown  of oil and gas
     properties  of  $9,061,240 in the fourth  quarter of 1997,  and  writedowns
     totaling $1,476,690 in 1996,  including $1,090,718 in the second quarter of
     1996.
(c)  Net  loss per  common  share  are  computed  independently  for each of the
     quarters presented and therefore may not sum to the totals for the year.
(d)  As discussed in Note 2, earnings per share amounts for periods prior to the
     Company's  initial  public  offering  have been  restated to  retroactively
     reflect the effect of SAB No. 98.

                                      F-16

<PAGE>



RESULTS OF OPERATIONS FOR OIL AND GAS PRODUCING ACTIVITIES (UNAUDITED)

         The following table sets forth the Company's  results of operations for
oil and gas producing activities for the years ended December 31, 1997, 1996 and
1995.
<TABLE>
<CAPTION>

                                                                   1997             1996            1995
                                                                   ----             ----            ----
<S>                                                         <C>             <C>              <C>
Oil and gas revenues....................................    $ 3,045,447     $    851,827     $    274,511
Lease operating costs...................................        257,291           49,016           60,877
Production taxes........................................        178,952           58,660           17,656
Impairment of oil and gas properties....................      9,061,240        1,476,690        1,627,321
Depletion, depreciation and amortization................      2,636,305          422,839          158,336
                                                             ----------      -----------      -----------
Loss before income taxes................................     (9,088,341)      (1,155,378)      (1,589,679)
Income tax expense (credit).............................
                                                                      -                -                -
Net loss................................................    $(9,088,341)     $(1,155,378)     $(1,589,679)
                                                             ==========       ==========       ===========

Amortization per physical unit of production
 (equivalent Mcf of gas, converted at 6 to 1) ..........          $2.17            $1.31            $1.15
                                                                   ====             ====             ====

</TABLE>
         The results of operations  from oil and gas producing  activities  were
determined in accordance  with Statement of Financial  Accounting  Standards No.
69,  "Disclosures  About Oil and Gas Producing  Activities" ("SFAS No. 69") and,
therefore, do not include corporate overhead,  interest and other general income
and expense items.

COSTS RELATING TO OIL AND GAS PRODUCING ACTIVITIES (UNAUDITED)

         The aggregate  amounts of  capitalized  costs relating to the Company's
oil  and  gas  producing  activities  and  the  related  accumulated  depletion,
depreciation,  and  amortization  and impairment at December 31, 1997,  1996 and
1995 were as follows:

<TABLE>
<CAPTION>
                                                              1997            1996           1995
                                                              ----            ----           ----

 <S>                                                      <C>              <C>            <C>
  Evaluated oil and gas properties.................       $ 22,521,673     $ 7,164,397     $ 2,648,724
  Unevaluated oil and gas properties...............         10,098,698       4,403,165       1,375,145
                                                            ----------      ----------      ----------
  Total capitalized costs..........................         32,620,371      11,567,562       4,023,869
  Less-accumulated   depletion,   depreciation  and
      amortization and impairments.................         15,473,403)     (3,775,858)     (1,876,329)
                                                            ----------      ----------      ----------
                                                          $ 17,146,968     $ 7,791,704     $ 2,147,540
                                                            ==========      ==========      ==========
</TABLE>

         The costs of unevaluated  oil and gas  properties  consists of projects
which at each date were undergoing exploration or development activities or were
projects on which the Company planned to commence such exploration activities in
the future.  The Company will begin to amortize these costs when proved reserves
are  established  or  impairment  is  determined.   The  Company  believes  that
substantially  all of the  unevaluated  properties  at December 31, 1997 will be
fully evaluated within the succeeding two-year period.

                                      F-17

<PAGE>

         The following table represents an analysis of remaining unevaluated oil
and gas property costs at December 31, 1997 according to the years in which they
were incurred:
<TABLE>
<CAPTION>

                                                                  YEARS ENDED DECEMBER 31,
                                                             1997             1996           1995
                                                             ----             ----           ----
<S>                                                    <C>              <C>             <C>
Acquisition costs..................................    $3,145,580       $   219,748     $   21,525
Exploration costs..................................     5,459,965         1,251,881
                                                        ---------         ---------
                                                                                                 -
     Total.........................................    $8,605,545        $1,471,629     $   21,525
                                                        =========         =========      =========
</TABLE>

         The following  table sets forth the costs incurred in the Company's oil
and gas property  acquisition,  exploration and  development  activities for the
years presented:

<TABLE>
<CAPTION>
                                                                YEARS ENDED DECEMBER 31,
                                                           1997              1996           1995
                                                           ----              ----           ----
<S>                                              <C>                   <C>           <C>
Property acquisition costs-
    Proved......................................  $       70,000                $               $
                                                                                -               -
    Unproved....................................       4,794,238        1,171,217         490,141
Exploration costs...............................      15,654,152        6,269,266       1,611,192
Development costs...............................         534,419          103,210               -
                                                    ------------       ----------      ----------
                                                     $21,052,809       $7,543,693      $2,101,333
                                                      ==========        =========       =========
</TABLE>


OIL AND GAS PRODUCING ACTIVITIES (UNAUDITED)

RESERVES

         The process of estimating  proved developed and proved  undeveloped oil
and gas reserves is very complex,  requiring significant subjective decisions in
the  evaluation of available  geologic,  engineering  and economic data for each
reservoir.  The data for a given  reservoir may change over time as a result of,
among other things,  additional  development  activity,  production  history and
viability  of  production  under  varying  economic  conditions.   Consequently,
material  revisions  to  existing  reserve  estimates  may occur in the  future.
Although every  reasonable  effort is made to ensure that reserve  estimates are
based on the most accurate and complete information  possible,  the significance
of the subjective decisions required and variances in available data for various
reservoirs  make these  estimates  generally  less precise than other  estimates
presented in connection with financial statement disclosures.

         The following  information  regarding estimates of the Company's proved
oil and gas  reserves,  all  located in the United  States,  is based on reports
prepared  on  behalf  of the  Company  by the  Company's  independent  petroleum
engineers.  The following  table sets forth the changes in the  Company's  total
proved reserves for the years ended December 31, 1997, 1996 and 1995. All of the
reserve quantities reflected in the table below are proved developed reserves.

                                      F-18
<PAGE>

<TABLE>
<CAPTION>



                                                                 YEAR ENDED DECEMBER 31,
                                                     ------------------------------------------------
                                                           1997              1996            1995
                                                           ----              ----            ----

                                                                       OIL (BBLS)
                                                     ------------------------------------------------
<S>                                                        <C>              <C>              <C>
Proved reserves at the beginning of the year........       32,428           41,193           39,886
Extensions, discoveries, and other additions........       43,497            9,797           26,000
Revisions of previous estimates.....................        5,489          (10,079)         (18,000)
Purchases of reserves in place......................       21,405                -                -
Production..........................................      (14,068)          (8,483)          (6,693)
                                                          -------         --------         --------
Proved reserves at the end of the year..............       88,751           32,428           41,193
                                                          =======          =======          =======
</TABLE>
<TABLE>
<CAPTION>

                                                                        GAS (MCF)
                                                     ------------------------------------------------
<S>                                                     <C>                <C>            <C>
Proved reserves at the beginning of the year........    2,463,736          442,795        1,236,915
Extensions, discoveries, and other additions........    2,546,337        2,284,482          104,000
Revisions of previous estimates.....................       53,855            7,661         (801,000)
Purchases of reserves in place......................            -                -                -
Production..........................................   (1,131,819)        (271,202)         (97,120)
                                                       ----------       ----------       ----------
Proved reserves at the end of the year..............    3,932,109        2,463,736          442,795
                                                       ==========        =========       ==========

</TABLE>
STANDARDIZED MEASURES OF DISCOUNTED FUTURE NET CASH FLOWS

         The Company's standardized measure of discounted future net cash flows,
and changes  therein,  related to proved oil and gas reserves are as follows (in
thousands):

<TABLE>
<CAPTION>
                                                                                  DECEMBER 31,
                                                                   --------------------------------------------
                                                                         1997            1996          1995
                                                                         ----            ----          ----
    <S>                                                                <C>           <C>           <C>
    Future cash inflow...........................................      $10,427       $ 9,354       $ 1,405
    Future production, development and abandonment costs.........       (2,195)       (1,430)         (329)
                                                                        ------        ------        ------
    Future cash flows before income taxes........................        8,232         7,924         1,076
    Future income taxes..........................................            -             -             -
                                                                        ------        ------        ------
    Future net cash flows........................................        8,232         7,924         1,076
    10% Discount factor..........................................       (1,184)       (1,301)         (305)
                                                                        ------        ------        ------
    Standardized measure of discounted future net cash flow......      $ 7,048       $ 6,623       $   771
                                                                        ======        ======        ======
</TABLE>


    CHANGES IN STANDARDIZED MEASURE OF DISCOUNTED FUTURE NET CASH FLOWS:

<TABLE>
<S>                                                                   <C>             <C>         <C>
    Sales of oil,  gas and natural gas liquids,  net of  production
        costs.....................................................     $(2,609)        $ (744)     $  (196)
    Extensions, discoveries and other additions...................       4,737          6,594          349
    Revisions of previous quantity estimates......................         124           (200)      (1,280)
    Net changes in prices and production costs....................      (2,468)           173          (71)
    Accretion of discount.........................................         662             77          161
    Changes in future development costs...........................          60            (82)         103
    Purchases of reserves in place................................         109              -            -
    Changes in production rates (timing) and other................        (190)            34           99
                                                                       -------       --------      -------
    Net change....................................................    $    425        $ 5,852      $  (835)
                                                                       =======         ======       ======
</TABLE>

         Estimated future cash inflows are computed by applying  year-end prices
of oil and gas to year-end  quantities of proved reserves.  Future price changes
are  considered  only  to  the  extent  provided  by  contractual  arrangements.
Estimated  future  development and production costs are determined by estimating

                                      F-19
<PAGE>

the  expenditures  to be incurred in developing and producing the proved oil and
gas  reserves  at the end of the year,  based on  year-end  costs  and  assuming
continuation  of  existing  economic  conditions.  Estimated  future  income tax
expense is  calculated  by applying  year-end  statutory  tax rates to estimated
future pretax net cash flows  related to proved oil and gas  reserves,  less the
tax basis (including net operating loss carryforwards projected to be usable) of
the properties involved.

         These estimates were determined in accordance with SFAS No. 69. Because
of unpredictable variances in expenses and capital forecasts,  crude oil and gas
prices  and oil and  gas  reserve  volume  estimates,  as well as the  statutory
pricing  and  discounting   assumptions  used  in  these  cash  flow  estimates,
management  believes the usefulness of this data is limited.  These estimates of
future net cash flows do not necessarily  represent  management's  assessment of
estimated  fair market value,  future  profitability  or future cash flow to the
Company.  Management's investment and operating decisions are based upon reserve
estimates  that include  proved as well as probable  reserves and upon different
price and cost assumptions from those used herein.

         The future  cash  flows  presented  in the  "Standardized  Measures  of
Discounted  Future Net Cash Flows" are based on year-end  oil and gas prices for
oil and gas reserves which as of December 31, 1997 were approximately $16.17 per
barrel of oil and approximately  $2.29 per Mcf of gas. The Company does not have
oil and gas reserves  which are committed  under  long-term oil and gas sales or
hedging contracts.


                                      F-20

<PAGE>


                                   SIGNATURES

         Pursuant to the  requirements  of Section 13 or 15(d) 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.

                                           3DX TECHNOLOGIES INC.

                                              /s/ Ronald P. Nowak
                                           By:---------------------------------
                                              Ronald P. Nowak
                                              Chief Executive Officer

         Pursuant to the  requirements  of the Securities  Exchange Act of 1934,
this  report has been  signed  below by the  following  persons on behalf of the
Registrant and in the capacities and on the dates indicated.

<TABLE>
<CAPTION>
          SIGNATURES                         TITLE OR CAPACITIES                           DATE
          ----------                         -------------------                           ----
<S>                                      <C>                                          <C>

/s/ C. Eugene Ennis
- -------------------------------          Chairman of the Board                        October 30, 1998
C. Eugene Ennis


/s/ Ronald P. Nowak
- -------------------------------          President and Chief Executive, and           October 30, 1998
Ronald P. Nowak                          Director (Principal Executive Officer)

                                         
/s/ Russel L. Allen
- -------------------------------          Chief  Financial Officer  (Principal         October 30, 1998
Russell L. Allen                         Financial Officer)


- -------------------------------          Director                                     October   , 1998
Jon W. Bayless


/s/ Charles E. Edwards
- -------------------------------          Director                                     October 30, 1998
Charles E. Edwards


- -------------------------------          Director                                     October   , 1998
C.D. Gray


/s/ Douglas C. Williamson
- -------------------------------          Director                                     October 30, 1998
Douglas C. Williamson

</TABLE>







<PAGE>


                              3DX TECHNOLOGIES INC.







                       COMMON STOCK SUBSCRIPTION AGREEMENT






















                                 August 21, 1998


<PAGE>



                                TABLE OF CONTENTS

                                                                            PAGE

SECTION 1 AUTHORIZATION AND SALE OF COMMON STOCK.............................1

  1.1 AUTHORIZATION..........................................................1
  1.2 SALE OF SHARES.........................................................1
  1.3 PENALTY SHARES.........................................................1

SECTION 2 CLOSING DATE: PAYMENT AND DELIVERY.................................1

  2.1 CLOSING DATE...........................................................1
  2.2 PAYMENT AND DELIVERY...................................................2

SECTION 3 REPRESENTATIONS AND WARRANTIES OF THE COMPANY......................2

  3.1 ORGANIZATION...........................................................2
  3.2 CAPITALIZATION.........................................................2
  3.3 AUTHORIZATION..........................................................3
  3.4 NO CONFLICT............................................................3
  3.5 ACCURACY OF REPORTS....................................................3
  3.6 REGISTRATION RIGHTS....................................................3
  3.7 GOVERNMENTAL CONSENTS. ETCY............................................4
  3.8 LITIGATION.............................................................4
  3.9 INVESTMENT COMPANY.....................................................4
  3.10  FINANCIAL STATEMENTS.................................................4
  3.11  EMPLOYEE BENEFITS....................................................4
  3.12  ENVIRONMENTAL CONDITION..............................................6
    (a) Permits. Etc.........................................................6
    (b) Certain Liabilities..................................................6
    (c) Certain Actions......................................................7
  3.13  BUSINESS.............................................................7
  3.14  GAS CONTRACTS........................................................7
  3.15  PATENTS TRADEMARKS AND OTHER INTANGIBLE ASSETS.......................7
  3.16  TITLE TO PROPERTIES: LIENS AND ENCUMBRANCES..........................8
  3.17  TAXES................................................................9
  3.18  INTERESTED PARTY TRANSACTIONS........................................9
  3.19  RESERVE REPORT......................................................10

SECTION 4 REPRESENTATIONS AND WARRANTIES OF THE PURCHASER...................10

  4.1 INVESTMENT............................................................10
  4.2 ACCREDITED INVESTOR...................................................11
  4.3 AUTHORITY.............................................................11
  4.4 GOVERNMENT CONSENTS. ETC..............................................11
  4.5 INVESTIGATION.........................................................11
  4.6 SHORT SELLING.........................................................11
  4.7 AFFILIATE STATUS......................................................11

SECTION 5 CONDITIONS TO OBLIGATIONS OF THE PURCHASER........................12

  5.1 CONDITIONS TO OBLIGATIONS OF THE PURCHASER:...........................12
    (a) Representations and Warranties Correct..............................12
    (b) Covenants...........................................................12
    (c) No Legal Order Pendint..............................................12
    (d) No Law Prohibiting or Restricting Such Sal..........................12
    (e) Opinion of Company's Counsel........................................12

SECTION 6 CONDITIONS TO OBLIGATIONS OF COMPANY..............................12

  6.1 CONDITIONS TO OBLIGATIONS OF COMPANY.:................................12
    (a) Representations and Warranties Correct..............................12
    (b) Covenant............................................................13
    (c) No Legal Order Pending..............................................13
    (d) No Law Prohibiting or Restricting Such Sale.........................13

SECTION 7 DEFINITIONS.......................................................13

  7.1 CERTAIN DEFINITIONS...................................................13
    (a) Affiliate...........................................................13
    (b) Business Day........................................................13
    (c) Holders.............................................................13
    (d) Person..............................................................13
    (e) The terms register, registered and registration.....................13
    (f) Registrable Securities..............................................13
    (g) Registration Expenses...............................................14
    (h) Registration Statement..............................................14
    (i) Registration Period.................................................14
    (j) Selling Expenses....................................................14

SECTION 8 COVENANTS.........................................................14

  8.1 REGISTRATION RIGHTS...................................................14
    (a) Registration........................................................14
    (b) Expenses of Registration............................................15
    (c) Registration Procedures:............................................15
    (d) Indemnification.....................................................16
    (e) Covenants of Holders................................................18
    (f) Rule 144 Reporting:.................................................20
    (g) Transfer of Registration Right......................................21
    (h) Waivers and Amendments..............................................21
  8.2 DISPOSITION...........................................................21
  8.3 OTHER REGISTRATION RIGHTS.............................................22

SECTION 9 MISCELLANEOUS.....................................................22

  9.1 TERMINATION OF AGREEMENT..............................................22
  9.2 GOVERNING LAW.........................................................22
  9.3 SURVIVAL: RELIANCE....................................................22
  9.4 SUCCESSORS AND ASSIGNS................................................22
  9.5 NOTICES AND DATES:....................................................23
  9.6 SPECIFIC PERFORMANCE..................................................23
  9.7 FURTHER ASSURANCES....................................................23
  9.8 COUNTERPART...........................................................24
  9.9 SEVERABILITY..........................................................24
  9.10  CAPTIONS............................................................24
  9.11  PUBLIC STATEMENTS...................................................24
  9.12  BROKERS.............................................................24
  9.13  COSTS AND EXPENSES..................................................24
  9.14  NO THIRD-PARTY RIGHTS...............................................24
  9.15  ENTIRE AGREEMENT: AMENDMENT.........................................24



<PAGE>





                                    Exhibits


Exhibit  A  Schedule of Exceptions
Exhibit  B  Additional Information
Exhibit  C  Projects


<PAGE>




                       COMMON STOCK SUBSCRIPTION AGREEMENT


      THIS COMMON STOCK  SUBSCRIPTION  AGREEMENT (the "Agreement") is made as of
August 21, 1998, by and among 3DX TECHNOLOGIES INC., a Delaware corporation (the
"Company"),   and  Santa  Fe  Energy  Resources,  Inc.  a  Delaware  corporation
("Purchaser").

                                   SECTION 1

                     AUTHORIZATION AND SALE OF COMMON STOCK

     1.1  AUTHORIZATION.  The Company has authorized the sale and issuance of up
to 3,333,334  shares of its Common Stock,  $.01 par value per share (the "Common
Stock") in  accordance  with the  provisions  of Sections  1.2 and 1.9,  and has
authorized the potential issuances under Section 1.3.

     1.2 SALE OF SHARES. Subject to the terms and conditions hereof, the Company
will  issue  and  sell to the  Purchaser  and the  Purchaser  will  buy from the
Company:  240,000  shares of Common Stock (the  "Shares") at a purchase price of
$1.25 per share,  or an  aggregate  purchase  price of  $300,000.00

     1.3 PENALTY SHARES. The  Company  grants  to  the  Purchaser  the right to
receive  additional  shares of Common  Stock as set forth in this  Section  (the
"Penalty  Rights").  If the Company is unable to cause a registration  statement
described in Section 8 to be filed with the Securities  and Exchange  Commission
(the "SEC") and to be declared  effective  within 120 days following  August 10,
1998, at the  expiration of such 120-day  period,  then each Penalty Right shall
without further action on behalf of any party, be  automatically  converted into
the right to receive  from the Company,  and the Company will issue,  additional
shares of Common Stock (the "Penalty Shares") to each Purchaser as a holder of a
Penalty  Right  equal  to (i) the  total  aggregate  consideration  paid by such
Purchaser pursuant to Section 1.2 divided by $1.00 less (ii) the total number of
shares issued to such Purchaser  pursuant to Section 1.2. The Penalty Rights are
not transferable apart from the Shares to which they relate.

                                   SECTION 2

                       CLOSING DATE; PAYMENT AND DELIVERY


     2.1 CLOSING DATE.  The  closing  under  this  Agreement with respect to the
sale of the Shares  pursuant to Section 1.2 hereof  (the  "Closing")  shall take
place in Houston,  Texas at 9:00 a.m.  (Houston time) on October 28, 1998 at the
offices of counsel to the Company or at such other times,  dates and places upon
which the  Company  and the  Purchaser  shall  mutually  agree  (the date of the
Closing is hereinafter referred to as the "Closing Date".

     2.2 PAYMENT AND DELIVERY. Payment for the shares by Purchaser shall be made
in  accordance  with that  certain  Agreement  by and  between  the  Company and
Purchaser  dated August 17, 1998. At the Closing the Company will deliver to the
Purchasers  certificates  representing  the Shares.  The certificates for Shares
shall be subject to a legend  restricting  transfer  under the Securities Act of
1933,  as amended (the  "Securities  Act"),  and  referring to  restrictions  on
transfer herein, such legend to be substantially as follows:


            THE SHARES  REPRESENTED BY THIS  CERTIFICATE  HAVE BEEN ACQUIRED FOR
     INVESTMENT AND HAVE NOT BEEN  REGISTERED  UNDER THE SECURITIES ACT OF 1933,
     AS AMENDED.  SUCH SHARES MAY NOT BE SOLD OR  TRANSFERRED  IN THE ABSENCE OF
     SUCH  REGISTRATION OR AN OPINION OF COUNSEL  SATISFACTORY TO THE COMPANY AS
     TO  THE   AVAILABILITY  OF  AN  EXEMPTION  FROM   REGISTRATION   THAT  SUCH
     REGISTRATION IS NOT REQUIRED AND THAT ANY PROSPECTUS DELIVERY  REQUIREMENTS
     ARE NOT APPLICABLE.

The Shares may also include any legend  required  under the laws of any state or
other jurisdiction.

                                   SECTION 3

                REPRESENTATIONS AND WARRANTIES OF THE COMPANY


      Except as set  forth on the  Schedule  of  Exceptions  attached  hereto as
EXHIBIT A, the  Company  hereby  represents  and  warrants to the  Purchaser  as
follows:

     3.1  ORGANIZATION.  The Company  is  a  corporation  duly  incorporated and
validly existing under the laws of the State of Delaware and is in good standing
under such laws. The Company has all requisite  corporate power and authority to
own, lease and operate its  properties and assets,  and to carry on its business
as presently conducted and as proposed to be conducted. The Company is qualified
to do  business  as a  foreign  corporation  in each  jurisdiction  in which the
ownership  of  its  property  or  the  nature  of  its  business  requires  such
qualification,  except  where  failure to so  qualify  would not have a material
adverse  effect on the  Company.  The  Company has no  subsidiaries  and owns no
equity interests, or rights convertible into equity interests in any entity.

     3.2  CAPITALIZATION.  The authorized capital stock of the Company  consists
of  20,000,000  shares of Common  Stock,  $.01 par  value  per  share,  of which
8,913,909  shares are issued and outstanding as of the date hereof (prior to the
stock issuances  contemplated  hereby) and 1,000,000  shares of Preferred Stock,
$.0l par value per share,  no shares of which are issued and  outstanding  as of
the date  hereof.  All such issued and  outstanding  shares of Common Stock have
been duly authorized and validly issued and are fully paid and nonassessable and
were issued in compliance with all applicable Federal and state securities laws.
As of the date hereof, the Company has 2,004,937 shares of Common Stock reserved
for issuance under its 1994 Stock Option Plan and options to purchase  1,231,707
shares of Common Stock thereunder have been granted and are outstanding.  Except
as described in this Agreement, and that certain Common Stock Agreement dated as
of June 3, 1998 by and among the Company and the parties named therein (the June
Subscription  Agreement)  there  are  no  other  options,  warrants,  conversion
privileges or other  contractual  rights  presently  outstanding  to purchase or
otherwise  acquire any authorized but unissued  shares of the Company's  capital
stock or other securities.

     3.3  AUTHORIZATION.  The  Company  has  all  corporate  right,  power   and
authority  to enter  into this  Agreement  and to  consummate  the  transactions
contemplated  hereby.  All  corporate  action  on the part of the  Company,  its
directors and stockholders necessary for the authorization,  execution, delivery
and  performance  of this  Agreement by the Company,  the  authorization,  sale,
issuance  and  delivery  of the  Shares  and the  performance  of the  Company's
obligations  hereunder has been taken. This Agreement has been duly executed and
delivered by the Company and constitutes a legal,  valid and binding  obligation
of the Company,  enforceable  against the Company in accordance  with its terms,
subject to laws of general  application  relating to bankruptcy,  insolvency and
the  relief  of  debtors  and  rules  of  law  governing  specific  performance,
injunctive  relief or other  equitable  remedies,  and to  limitations of public
policy.  Upon the issuance and  delivery of the Shares as  contemplated  by this
Agreement, the Shares will be validly issued, fully paid and nonassessable.  The
issuance  and sale of the Shares  contemplated  hereby will not give rise to any
preemptive  rights or rights of first  refusal on behalf of any  person.

     3.4 NO CONFLICT.  The execution and delivery of  this Agreement  does  not,
and the consummation of the transactions  contemplated hereby will not result in
any violation of, or default (with or without notice or lapse of time, or both),
or give rise to a right of  termination,  cancellation  or  acceleration  of any
obligation  or to a loss of a benefit,  under,  any  provision of the  Company's
Certificate of Incorporation,  as amended, or Bylaws of the Company, as amended,
or any mortgage,  indenture,  lease or other  agreement or instrument,  license,
judgment,  order, decree, statute, law, ordinance, rule or regulation applicable
to the  Company,  its  properties  or assets,  the effect of which  would have a
material  adverse  effect on the Company,  its financial  condition,  results of
operation  or  prospects,  or  impair  or  restrict  its  power to  perform  its
obligations  as  contemplated  hereby.

     3.5  ACCURACY  OF  REPORTS. All reports required to be filed by the Company
under the Exchange Act, have been duly filed with the SEC,  complied at the time
of filing,  in all material  respects with the  requirements of the Exchange Act
and their respective  forms  (collectively,  the "Reports"),  and, except to the
extent updated or superseded by any subsequently filed report, were complete and
correct in all material  respects as of the dates at which the  information  was
furnished,  and contained  (as of such dates) no untrue  statement of a material
fact or  omitted  to  state a  material  fact  necessary  in  order  to make the
statements  contained  therein,  in light of the circumstances  under which they
were made, not misleading.

     3.6 REGISTRATION RIGHTS. Except as set forth in this Agreement, the Company
is not  under  any  obligation  to  register  any of its  presently  outstanding
securities  or any of its  securities  which may  hereafter be issued other than
under (i) the June  Subscription  Agreement,  (ii) the Series C Preferred  Stock
Purchase  Agreement among the Company and certain of its security  holders dated
as of July 26, 1995 and (iii) the Stock Purchase Agreement among the Company and
certain of its security  holders dated as of November 9, 1993.

     3.7  GOVERNMENTAL CONSENTS, ETC.  No consent, approval or authorization of
or  designation,  declaration or filing with any  governmental  authority on the
part of the Company is required in connection with the execution and delivery of
this Agreement,  the offer,  sale or issuance of the Shares, or the consummation
of any other  transaction  contemplated  hereby,  except such  filings as may be
required  to be made with the SEC and the  Nasdaq  and with any state or foreign
blue sky or securities regulatory authority.

     3.8 LITIGATION. There  is  no  pending  or,  to  the best  of the Company's
knowledge,  threatened lawsuit,  administrative proceeding,  arbitration,  labor
dispute or governmental  investigation  ("Litigation") to which the Company is a
party or by which any portion of its assets  taken as a whole may be bound,  and
which Litigation if adversely determined would have a material adverse effect on
the Company.

     3.9 INVESTMENT COMPANY. The  Company  is not an "Investment Company" within
the meaning of such term under the Investment  Company Act of 1940 and the rules
and regulations of the SEC thereunder.

     3.10 FINANCIAL STATEMENTS.  The audited  balance  sheet  of the  Company at
December 31, 1997, and the related audited statements of operations, cash flows,
and stockholders'  equity of the Company for the fiscal year then ended,  copies
of which have been furnished to Purchaser,  and the balance sheet of the Company
at June 30, 1998, and the related  statements of operations and cash flow of the
Company for the six months then ended,  copies of which have been  furnished  to
the Purchaser, fairly present, subject, in the case of the balance sheet at June
30, 1998,  and said  statements  of income and cash flow for the six months then
ended, to year-end audit adjustments,  the financial condition of the Company at
such dates and the  results of the  operations  of the  Company  for the periods
ended on such dates, and such balance sheets and statements of operations,  cash
flows, and  stockholders'  equity were prepared in accordance with United States
generally accepted  accounting  principles  ("GAAP") (and in compliance with the
regulations  promulgated by the SEC). As of July 31, 1998,  the total  Long-Term
debt of the  Company was  $2,000,000  determined  consistently  with the audited
financial  statements  as of December 31,  1997.  Since  December  31, 1997,  no
Material  Adverse  Change has occurred  except as set forth in the Reports or in
this  Agreement  or on the  Exhibits or  Schedules  hereto.  The term  "MATERIAL
ADVERSE  CHANGE"  shall  mean (a) a  material  adverse  change in the  business,
financial  condition,  results of operations or prospects of the Company, or (b)
the  occurrence  and  continuance  of any  event  or  circumstance  which  could
reasonably  be  expected  to have a  material  adverse  effect on the  Company's
ability  to  perform  its  obligations  under  this  Agreement  or any  material
Agreement of the Company.

     3.11  EMPLOYEE  BENEFITS.

          (a) For  purposes  of  this  Section 3.11,  the term  "Employee  Plan"
includes any pension, retirement,  savings, disability, medical, dental, health,
life (including,  without limitation, any individual life insurance policy under
which any persons currently or formerly employed by the Company ("Employees") is
the named insured and as to which the Company makes premium payments, whether or
not the  Company  is the  owner,  beneficiary  or both  of such  policy),  death
benefit, group insurance,  profit-sharing,  deferred compensation, stock option,
bonus,  incentive,  vacation pay, severance pay, or other employee benefit plan,
trust,  arrangement,   agreement,  policy  or  commitment  (including,   without
limitation,  any employee pension benefit plan as defined in Section 3(2) of the
Employee  Retirement Income Security Act of 1974, as amended ("ERISA") ("Pension
Plan"),  and any  employee  welfare  benefit  plan as defined in Section 3(1) of
ERISA  ("Welfare  Plan")),  whether  or not any of the  foregoing  is  funded or
insured  and  whether  written or oral,  which is intended to provide or does in
fact  provide  benefits  to any or all current  Employees,  and (i) to which the
Company is party or by which the Company (or any of the  rights,  properties  or
assets of the Company) is bound, (ii) with respect to which the Company has made
any payments,  contributions or commitments, or may otherwise have any liability
(whether or not the  Company  still  maintains  such plan,  trust,  arrangement,
contract,  agreement,  policy or  commitment)  or (iii)  under which any current
director,  Employee or agent of the Company is a beneficiary  as a result of his
or her employment or affiliation with the Company.

          (b) With  respect  to  any  Employee, the Company has no obligation to
contribute  to (or any other  liability  with respect to) any funded or unfunded
Welfare Plan, whether or not terminated,  which provides medical,  health,  life
insurance  or other  welfare-type  benefits  for  current or future  retirees or
current,  future or former  Employees  (including  their dependents and spouses)
except for limited  continued  medical  benefit  coverage for former  Employees,
their spouses and their other  dependents  as required to be provided  under the
Consolidated  Omnibus Budget  Reconciliation  Act of 1985, as amended ("COBRA"),
and the Company is in  compliance  in all material  respects  with the continued
medical and other welfare benefit  coverage  requirements of COBRA and all other
applicable  laws.

          (c)  With  respect  to any  Employee,  the Company  does not maintain,
contribute  to or have any  material  liability  under (or with  respect to) any
Pension  Plan which is a tax  qualified  "defined  benefit  plan" (as defined in
Section  3(35) of  ERISA) or a  tax-qualified  "defined  contribution  plan" (as
defined in Section 3(34) of ERISA),  or a  non-qualified  deferred  compensation
plan for certain  highly  compensated  or  management  employees  whether or not
terminated. All contributions (including all employer contributions and employee
salary  reduction  contributions)  which are due have been paid to each Employee
Plan or are  reflected  as a  liability  on the  books  of the  Company  and all
contributions  for any period ending on or before the Closing Date which are not
yet due have been paid to each such Employee Plan or accrued in accordance  with
the past custom and practice of the Company.  All premiums or other payments for
all periods  ending on or before the Closing Date have been paid with respect to
each such  Employee  Plan  which is a Welfare  Plan.

          (d) Except as set forth on EXHIBIT A, the Company  has,  with  respect
to all current and former  Employee  Plans (and all  related  trusts,  insurance
contracts and funds),  at all times  complied in all material  respects with the
applicable  requirements of ERISA, the Internal Revenue Code of 1986, as amended
(the "Code") and all other  applicable  statutes,  common law,  regulations  and
regulatory  pronouncements,  or has, in the exercise of its reasonable judgment,
determined that such statutes  (including  ERISA),  common law,  regulations and
regulatory  pronouncements  were  and are not  applicable  to the  Company.  The
Company has not engaged in nor is it bound to enter into, any  transaction  with
respect to any  Employee  Plan which would  subject the Company to any  material
liability due to either a civil penalty  assessed  pursuant to Section 502(1) of
ERISA or the tax or penalty on prohibited  transactions  imposed by Section 4975
of the Code.  No  actions,  suits or claims  with  respect  to the assets of any
Employee Plan (and all related  trusts,  insurance  contracts and funds),  other
than routine claims for benefits,  are pending or threatened  which could result
in a material  adverse effect on the Company.  There are not now, nor have there
been, any tax-qualified  retirement plans sponsored or maintained by the Company
for Employees, nor are there any unfunded obligations with respect thereto. With
respect to any Employee,  the Company has no obligation to contribute to (or any
other  liability with respect to) any  "multi-employer  plan," as defined in the
Multi-employer  Pension  Plan  Amendments  Act of 1980,  and the Company has not
incurred  any current or  potential  withdrawal  or  termination  liability as a
result of a complete or partial withdrawal from any multi-employer  plan. Except
as set forth on EXHIBIT A, each  Employee Plan intended to qualify under Section
401(a) of the Code has been  determined  by the Internal  Revenue  Service to be
qualified  under the  requirements  of Section  401(a) of the Code, the Internal
Revenue  Service  has issued a  determination  letter to that  effect,  and such
letter remains effective and has not been revoked. No unfulfilled  obligation to
contribute  with respect to an Employee Plan exists with respect to any Employee
Plan year ending on or before the  Closing.  There is no  agreement  or promise,
written or oral,  of the Company to the effect that any Employee Plan may not be
terminated at the Company's  discretion at any tune,  subject to applicable law.

     3.12 ENVIRONMENTAL CONDITION.

          (a) PERMITS, ETC.  Except  as  set forth on EXHIBIT A, the Company (i)
has obtained all environmental permits necessary for the ownership and operation
of its properties and the conduct of its  businesses,  except where such failure
to obtain could not reasonably be expected to cause a Material  Adverse  Change;
(ii) is in  compliance  with all  terms  and  conditions  of such  environmental
permits and with all other requirements of applicable environmental laws, except
where  such  failure  to comply  could not  reasonably  be  expected  to cause a
Material  Adverse  Change;  (iii) has not  received  notice of any  violation or
alleged violation of any environmental law or environmental  permit; and (iv) is
not  subject  to any  actual  or  contingent  environmental  claim  which  could
reasonably be expected to cause a Material Adverse Change.

          (b) CERTAIN LIABILITIES. Except  as  set  forth  on  EXHIBIT A, to the
Company's best  knowledge,  none of the present or previously  owned or operated
properties  of the  Company  or of any of its  present  or former  subsidiaries,
wherever  located,  (i) has been  placed  on or  proposed  to be  placed  on the
National Priorities List, the Comprehensive  Environmental Response Compensation
Liability  Information  System list,  or their state or local  analogs;  (ii) is
subject to a lien,  arising under or in connection with any Environmental  Laws,
which could reasonably be expected to cause a Material Adverse Change;  or (iii)
has been the site of any release of hazardous  substances  or  hazardous  wastes
from  present  or  past  operations  which  has  caused  at the  site  or at any
third-party  site any  condition  that has  resulted in or could  reasonably  be
expected to result in the need for  Response  (as  defined in the  Comprehensive
Environmental  Response  Compensation  Liability Act or other environmental law)
that  would  cause a Material  Adverse  Change.

          (c)  CERTAIN  ACTIONS.  Without  limiting  the  foregoing  (i)     all
necessary  notices have been properly  filed,  and no further action is required
under  current  environmental  law as to each Response or other  restoration  or
remedial  project   undertaken  by  the  Company,   or  its  present  or  former
subsidiaries on any of their presently or formerly owned or operated  properties
and (ii) the present and, to the Company's best knowledge, future liability,  if
any, of the Company and its  subsidiaries  which could reasonably be expected to
arise in connection with requirements  under  environmental laws will not result
in a Material  Adverse  Change.

     3.13 BUSINESS.  The Company has all franchises, permits,  licenses, patents
and other rights and  privileges  necessary to permit it to own its property and
conduct its business,  except for those, the  non-obtainment  of which would not
reasonably be expected to cause a Material  Adverse Change.  The Company manages
and operates its business in compliance with all applicable  legal  requirements
and in  accordance  with good industry  practices,  except where such failure to
manage or operate would not  reasonably be expected to cause a Material  Adverse
Change.

     3.14 GAS CONTRACTS.  The  Company  is  not,   as  of  the  date hereof; (a)
obligated in any  material  respect by virtue of any  prepayment  made under any
contract  containing  a  "take-or-pay"  or  "prepayment"  provision or under any
similar agreement to deliver  hydrocarbons  produced from or allocated to any of
the Company's  consolidated  oil and gas  properties at some future date without
receiving  full  payment  therefor  at the  time  of  delivery,  and (b) has not
produced  gas, in any  material  amount,  subject to, and none of the  Company's
consolidated  oil and gas  properties is subject to,  balancing  rights of third
parties or subject to balancing duties under governmental  requirements,  except
as to such  matters  for which the  Company has  established  monetary  reserves
adequate in amount in accordance  with GAAP to satisfy such  obligations and has
segregated  such reserves from its other accounts.

     3.15 PATENTS, TRADEMARKS AND OTHER  INTANGIBLE  ASSETS. (a)  Except  as set
forth on EXHIBIT A or as is not material to the  Company,  the Company (i) uses,
owns or has  the  right  to  use,  free  and  clear  of all  liens,  claims  and
restrictions, all patents, patent applications, trademarks, service marks, trade
names and  copyrights,  and licenses  and rights with respect to the  foregoing,
used  in the  conduct  of  its  business  as now  conducted  or  proposed  to be
conducted, without infringing upon or otherwise acting adversely to the right or
claimed right of any person,  corporation  or other entity under or with respect
to any of the  foregoing  and  (ii) is not  obligated  or  under  any  liability
whatsoever  to make any payments by way of  royalties,  fees or otherwise to any
owner or licensor of, or other claimant to, any patent, trademark, service mark,
trade name, copyright or other intangible asset, with respect to the use thereof
or in  connection  with the  conduct of its  business  or  otherwise  except for
obligations  in  the   normal course of its exploration and production business.

     (b)  Except  as  set  forth  on  EXHIBIT A  or  as is not  material  to the
Company,  the  Company  owns  or has the  unrestricted  right  to use all  trade
secrets,   including  know-how,   inventions,   designs,   processes,  works  of
authorship,  computer programs (with the exception of normal software  purchased
and sold as  such)  and  technical  data and  information  (collectively  herein
"Intellectual Property") required for or incident to the development,  operation
and sale of all services or products  sold or  currently  proposed to be sold by
the Company,  free and clear of and without violating any right,  lien, or claim
of others,  including without limitation,  former Employees and former employers
of its past and present  Employees but excluding  restrictions  as are customary
for exploration and production companies.

     (c)  The Company has taken   security   measures  to  protect  the secrecy,
confidentiality and value of all the Intellectual  Property,  which measures are
reasonable  and  customary  in the  industry in which it  operates.  Each of the
Company's  Employees  and other  persons  who,  either  alone or in concert with
others, developed,  invented,  discovered,  derived,  programmed or designed the
Intellectual  Property,  or who has knowledge of or access to information  about
the Intellectual Property, has entered into a written agreement with the Company
which (i) provides  that the  Intellectual  Property and other  information  are
proprietary  to the  Company  and are not to be  divulged  or  misused  and (ii)
transfers to the Company, without any further consideration being given therefor
by the  Company,  all of such  Employee's  or other  person's  right,  title and
interest in and to such  Intellectual  Property and other information and to all
patents, trademarks, service marks, trade names, copyrights, licenses and rights
with respect to such Intellectual  Property and information.  The Company is not
aware that any of its Employees,  consultants or prospective  Employees who have
signed such  agreements  are in violation  thereof,  nor is it aware or have any
basis to believe,  that any former  employee or consultant has made any claim of
ownership in or rights with respect to any of the  Intellectual  Property.

     3.16 TITLE TO PROPERTIES;  LIENS AND  ENCUMBRANCES.  Except as set forth on
EXHIBIT A and  pursuant to the Credit  Agreement  by and between the Company and
NationsBank of Texas, N.A. dated December 18, 1997 (the "Credit Agreement"), the
Company has defensible title to all of the properties and assets,  both real and
personal,  tangible  and  intangible,  that it  purports to own,  including  the
properties  and assets  reflected  in the  Reports and  including  the lands and
leases and  associated  net revenue  interests  reflected in the Company's  most
recent  reserve  report,  as of December  31,  1997,  as prepared by Ryder Scott
Company (the "Reserve Report"), other than dispositions or expirations since the
date thereof,  and they are not subject to any mortgage,  pledge, lien, security
interest,  conditional  sale agreement,  encumbrance or charge  ("Liens") except
routine  statutory liens securing  liabilities not yet due and payable and minor
liens, encumbrances,  restrictions,  exceptions,  reservations,  limitations and
other  imperfections  that do not  materially  detract  from  the  value  of the
specific  asset  affected  or the present use of such asset and except (A) Liens
for taxes not yet due and payable or, if payable,  that are being  contested  in
good faith in the ordinary course of business,  (B) statutory  Liens  (including
materialmen's,  mechanic's,  repairmen's,  landlord's,  and other similar liens)
arising in the  ordinary  course of business to secure  payments not yet due and
payable or, if payable,  that are being  contested in good faith in the ordinary
course of business,  (C) such  easements,  restrictions,  reservations  or other
encumbrances, as well as imperfections or irregularities of title, if any, as do
not  create  a  material  adverse  effect,  (D)  obligations  or  duties  to any
municipality or public authority with respect to any franchise,  grant,  license
or  permit  and all  applicable  laws,  rules,  regulations  and  orders  of any
governmental  authority,  (E) all lessors' royalties, overriding royalties,  net
profits  interests,   production  payments,   carried  interests,   reversionary
interests  and other  burdens on or  deductions  from the proceeds of production
that do not operate to (x) reduce the net revenue  interest of the Company below
that purported to be owned by the Company or as set forth in the Reserve Report,
(y)  increase  the  proportionate  share  of costs  and  expenses  of  leasehold
operations attributable to or to be borne by the working interest of the Company
above that purported to be owned by the Company without a proportionate increase
in the net revenue  interest of the Company or (z) increase the working interest
of the  Company  above  that  purported  to be owned by the  Company  without  a
proportionate increase in the net revenue interest of the Company, (F) the terms
and  conditions of joint  operating  agreements and other oil and gas contracts,
(G) all rights to consent by,  required  notices  to, and filings  with or other
actions by  governmental  or tribal  entities,  if any, in  connection  with the
change of ownership or control of an interest in federal, state, tribal or other
domestic  governmental oil and gas leases, if the same are customarily  obtained
subsequent  to such change of  ownership  or control,  but only  insofar as such
consents,  notices,  filings  and  other  actions  relate  to  the  transactions
contemplated  by this  Agreement,  (H) any  preferential  purchase  rights,  (I)
required  third  party  consents  to  assignment,  (J)  conventional  rights  of
reassignment  prior to  abandonment  and (K) the terms and provisions of oil and
gas leases, unit agreements,  pooling agreements,  communication  agreements and
other  documents  creating  interests  comprising  the oil  and gas  properties;
insofar  and only  insofar as such terms and  provisions  do not  operate to (x)
reduce the net revenue  interest of the Company below that purported to be owned
by the Company,  (y) increase the  proportionate  share of costs and expenses of
leasehold  operations  attributable to or to be borne by the working interest of
the  Company  above  that  purported  to be  owned  by  the  Company  without  a
proportionate  increase  in the  net  revenue  interest  of the  Company  or (z)
increase the working interest of the Company above that purported to be owned by
the  Company.  EXHIBIT D lists the current  projects in which the Company has an
interest.

     3.17  TAXES.  Except as set forth in EXHIBIT A, the Company has  accurately
prepared  and timely  filed all  federal  income tax  returns  and all state and
municipal  tax returns that are  required to be filed by it (the "Tax  Returns")
and has paid or made  provision  for the payment of all amounts due  pursuant to
such returns.  The Tax Returns are true and complete in all material   respects.
None of the Tax Returns have been audited by the Internal Revenue Service or any
state  taxing  authority,  as the case may be, the Company has not been  advised
that any of such Tax  Returns  will be so  audited,  and there are no waivers in
effect of the applicable  statute of limitations  for any period.  No deficiency
assessment or proposed  adjustment of federal income taxes or state or municipal
taxes of the Company is pending and the Company has no knowledge of any proposed
liability for any tax to be imposed.

     3.18 INTERESTED PARTY TRANSACTIONS.  Except as otherwise  reflected  in the
Reports,  no  executive  officer,  director  or  stockholder  owning  5% of  the
outstanding  Common Stock of the Company or any  "affiliate" or "associate"  (as
these terms are defined in Rule 405 promulgated under the Securities Act) of any
such  person  or  entity  or the  Company  has or has had,  either  directly  or
indirectly, (a) an interest in any person or entity which (i) furnishes or sells
services or products  that are furnished or sold or are proposed to be furnished
or sold by the  Company,  or (ii)  purchases  from or sells or  furnishes to the
Company any goods or services,  or (b) a beneficial  interest in any contract or
agreement  to  which  the  Company  is a party  or by  which  it may be bound or
affected.  Except as otherwise  reflected in the Reports,  there are no existing
arrangements  or proposed  transactions  between  the Company and any  executive
officer,  director,  or  holder  of more  than 5% of the  capital  stock  of the
Company,  or any affiliate or associate of any such person.

     3.19 RESERVE REPORT. A true and correct copy of the Reserve Report has been
provided to the Purchaser.  All  information  contained in the Reserve Report is
true and correct m all material respects as of the date thereof, except that the
Company  does not warrant  quantity of reserves,  rate of  recovery,  productive
capacity,  future prices,  future operating costs, or other similar matters that
cannot be determined with certainty.

                                   SECTION 4

               REPRESENTATIONS AND WARRANTIES OF THE PURCHASER

      The Purchaser hereby represents and warrants to the Company as follows:

     4.1 INVESTMENT. The Purchaser is acquiring the Shares  for  investment  for
its own  account,  not as a  nominee  or  agent,  and not with a view to, or for
resale in connection with, any distribution thereof.  The Purchaser acknowledges
the Company's  obligation to file a  registration  statement with respect to the
Shares as set forth in Section 8 of this Agreement,  the  effectiveness of which
registration  statement  may be required  for the resale of the Shares.  Without
limiting the generality of the first sentence of this Section, the Purchaser has
not  offered or sold any  portion of the Shares to be  acquired by it and has no
present  intention of  reselling  or otherwise  disposing of any portion of such
Shares,  either currently or after the passage of a fixed or determinable period
of time or upon the occurrence or  nonoccurrence of any  predetermined  event or
circumstance, and in particular the Purchaser has no current intention to resell
the Shares,  under such registration  statement nor would it have such intention
if such  registration  statement were effective as of the date of purchase.  The
Purchaser  understands  that the investment in the Shares,  is subject to a high
degree of risk and that the Shares have not been registered under the Securities
Act, by reason of a specific  exemption from the registration  provisions of the
Securities Act which depends upon,  among other things,  the bona fide nature of
Purchaser's   investment   intent   and   the   accuracy   of  the   Purchaser's
representations as expressed herein. The Purchaser  acknowledges and understands
that it must bear the economic risk of this investment for an indefinite  period
of  time  because  the  Shares  must  be held  indefinitely  until  subsequently
registered  under the Securities Act and applicable  state and other  securities
laws  or  unless  an  exemption  from   registration  is  available.   Purchaser
understands that any transfer agent of the Company will be issued  stop-transfer
instructions  with respect to the Shares,  unless such transfer is  subsequently
registered  under the Securities Act and applicable  state and other  securities
laws or unless an exemption from such  registration is available.  The Purchaser
has  experience in analyzing and investing in entities like the Company,  it can
bear  the  economic  risk of its  investment,  including  the  full  loss of its
investment,  and by  reason  of its  business  or  financial  experience  or the
business or financial  experience of its professional  advisors has the capacity
to evaluate the merits and risks of its  investment and protect its own interest
in  connection  with the purchase of the Shares from the Company at the Closing.
The  Purchaser is a resident of the State of Texas.  Purchaser was not organized
for the purpose of acquiring the Shares.

     4.2 ACCREDITED INVESTOR.  The Purchaser is an "accredited investor" as such
term is defined in SEC Regulation D.

     4.3 AUTHORITY. The Purchaser has all right, power and  authority  to  enter
into this Agreement and to consummate the transactions contemplated hereby. This
Agreement has been duly executed and delivered by the Purchaser and  constitutes
a legal, valid and binding obligation of the Purchaser,  enforceable against the
Purchaser in accordance with its terms,  subject to laws of general  application
relating to  bankruptcy,  insolvency  and the relief of debtors and rules of law
governing specific  performance,  injunctive relief or other equitable remedies,
and to  limitations  of  public  policy.  The  execution  and  delivery  of this
Agreement do not, and the consummation of the transactions  contemplated  hereby
will not,  conflict with or result in any violation of any obligation  under any
provision of the charter  documents or Bylaws, of the Purchaser or any mortgage,
indenture,  lease or other agreement or instrument,  license,  judgment,  order,
decree, statute, law, ordinance, rule or regulation applicable to the Purchaser.

     4.4  GOVERNMENT CONSENTS, ETC. No consent, approval or authorization  of or
designation,  declaration or filing with any governmental  authority on the part
of the Purchaser is required in connection with the valid execution and delivery
of this Agreement,  the purchase of the Shares or the  consummation of any other
transaction contemplated hereby.

     4.5 INVESTIGATION. The Purchaser has received a copy of the Reports and the
"Risk Factors" and  "Description  of Capital  Stock"  included as EXHIBIT B. The
Purchaser  has had a reasonable  opportunity  to ask  questions  relating to and
otherwise  discuss  the  terms  and  conditions  of the  offering  and the other
information  set  forth in the  Reports  and this  Agreement  and the  Company's
business,  management  and  financial  affairs  with the  Company's  management,
customers  and  other  parties,  and the  Purchaser  has  received  satisfactory
responses to the Purchaser's inquiries. The Purchaser has relied solely upon the
information  provided by the Company in the Reports and this Agreement in making
the decision to invest in the Shares. To the extent necessary, the Purchaser has
retained,  at  the  expense  of  the  Purchaser,  and  relied  upon  appropriate
professional  advice  regarding  the  investment,   tax  and  legal  merits  and
consequences  of this Agreement and its purchase of the Shares,  hereunder.

     4.6 SHORT SELLING. Purchaser has not prior to the date hereof  directly  or
indirectly, through related parties, affiliates or otherwise (a) sold "short" or
"short  against the box" (as those terms are  generally  understood)  any equity
security of the  Company;  or (b)  otherwise  engaged in any  transaction  which
involves  hedging of its position in the securities of the Company,  and it will
not until the date the  Registration  Statement (as defined  herein) is declared
effective  by the SEC  take  any such  actions  described  in (a) or (b) of this
Section 4.6.

     4.7 AFFILIATE STATUS. The Purchaser is not, and has not been within  the 90
days  prior to the  Closing  Date,  an  officer,  director,  employee,  agent or
affiliate of the Company. The Purchaser is not a broker or dealer of securities,
an employee, officer or director of the Company nor prior to the Closing Date of
the transactions contemplated hereby is the Purchaser the beneficial owner of 5%
or more of the Common Stock of the Company.

                                   SECTION 5

                   CONDITIONS TO OBLIGATIONS OF THE PURCHASER

     5.1 CONDITIONS TO OBLIGATIONS OF THE PURCHASER.  The Purchaser's obligation
to purchase the Shares at the Closing is, at the option of Purchaser,  which may
waive  any such  conditions  to the  extent  permitted  by law,  subject  to the
fulfillment on or prior to the Closing Date of the following conditions:

          (a) REPRESENTATIONS  AND WARRANTIES  CORRECT.  The representations and
warranties  made by the Company in Section 3 hereof shall be true and correct in
all material  respects when made,  and shall be true and correct in all material
respects on the Closing  Date with the same force and effect as if they had been
made on and as of said date and the  foregoing  shall be certified in writing by
an executive officer of the Company.

          (b)  COVENANTS. All covenants, agreements and conditions  contained in
this Agreement to be performed by the Company on or prior to such purchase shall
have been performed or complied with in all respects and the foregoing  shall be
certified in writing by an executive officer of the Company.

     (c) NO LEGAL ORDER PENDING. There  shall not then be in effect any legal or
other order  enjoining or  restraining  the  transactions  contemplated  by this
Agreement.

          (d) NO  LAW  PROHIBITING OR RESTRICTING  SUCH SALE. There shall not be
in effect any law, rule or regulation  prohibiting or  restricting  such sale or
requiring  any  consent  or  approval  of any person  which  shall not have been
obtained to issue the Shares (except as otherwise  provided in this  Agreement).

          (e) OPINION OF COMPANY'S  COUNSEL.  The Purchasers shall have received
from Baker & Botts,  L.L.P.,  counsel  for the  Company,  an  opinion  dated the
Closing Date, in substantially the form set forth in EXHIBIT D.

                                   SECTION 6

                      CONDITIONS TO OBLIGATIONS OF COMPANY

     6.1 CONDITIONS TO OBLIGATIONS OF COMPANY. The Company's  obligation to sell
and issue the Shares at the Closing is, at the option of the Company,  which may
waive  any such  conditions  to the  extent  permitted  by law,  subject  to the
fulfillment on or prior to the Closing Date, of the following conditions:

          (a) REPRESENTATIONS  AND  WARRANTIES CORRECT.  The representations and
warranties  made by the  Purchaser in Section 4 hereof shall be true and correct
in all  material  respects  when  made,  and  shall be true and  correct  in all
material respects on the Closing Date, with the same force and effect as if they
had been made on and as of said date and the  foregoing  shall be  certified  in
writing by the Purchaser.

          (b) COVENANTS. All  covenants,  agreements  and  conditions  contained
in this  Agreement to be  performed by the  Purchaser on or prior to the Closing
Date, shall have been performed or complied with in all material  respects,  and
the foregoing shall be certified in writing by the Purchaser.

          (c) NO LEGAL ORDER PENDING. There  shall  not  then  be  in effect any
legal or other order enjoining or restraining the  transactions  contemplated by
this Agreement.

          (d) NO LAW PROHIBITING OR RESTRICTING SUCH SALE. There shall not be in
effect any law,  rule or  regulation  prohibiting  or  restricting  such sale or
requiring  any  consent  or  approval  of any person  which  shall not have been
obtained to issue the Shares.

                                   SECTION 7

                                   DEFINITIONS

     7.1 CERTAIN  DEFINITIONS. As used in this Agreement,  the  following  terms
shall have the following meanings:

          (a)  "AFFILIATE" shall mean,  with  respect to any  person,  any other
person  controlling,  controlled by or under direct or indirect  common  control
with such person (for the purposes of this definition  "control," when used with
respect to any specified  person,  shall mean the power to direct the management
and policies of such person,  directly or indirectly,  whether through ownership
of voting securities,  by contract or otherwise; and the terms "controlling" and
"controlled" shall have meanings correlative to the foregoing).

          (b)  "BUSINESS  DAY" shall mean a day Monday  through  Friday on which
banks are generally  open for business in Texas.

          (c)  "HOLDERS"  shall  mean  the  Purchaser  and  any  person  holding
Registrable   Securities  to  whom  the  rights  under  Section  8.1  have  been
transferred in accordance  with Section  8.1(g) hereof.

          (d) "Person"  shall   mean   any   person,   individual,  corporation,
partnership,  trust or other nongovernmental  entity or any governmental agency,
court,  authority  or other body  (whether  foreign,  federal,  state,  local or
otherwise).

          (e) The terms "REGISTER," "REGISTERED" and "REGISTRATION" refer to the
registration  effected  by  preparing  and filing a  registration  statement  in
compliance  with the  Securities  Act,  and the  declaration  or ordering of the
effectiveness of such registration statement.

          (f) "REGISTRABLE SECURITIES"  shall  mean  (A)  the  Shares, (B)   any
shares of  Common  Stock  issued  as (or  issuable  upon the  conversion  of any
warrant,  right or  other  security  which is  issued  as) a  dividend  or other
distribution  with respect to or in replacement of the Shares,  (C) if permitted
under applicable law and regulation, the Penalty Shares; provided, however, that
securities  shall only be treated as  Registrable  Securities if and only for so
long as they (I) have not been disposed of pursuant to a registration  statement
declared  effective by the SEC, (II) have not been sold in a transaction  exempt
from the registration and prospectus delivery requirements of the Securities Act
so that all transfer  restrictions and restrictive  legends with respect thereto
are  removed  upon the  consummation  of such sale,  (III) may not be  otherwise
transferred without restriction under Rule 144 (or any similar successor rule or
provision  then in force)  provided that the Company shall have  delivered a new
certificate  or other  evidence of ownership for it not bearing any  restrictive
legend and with all stop transfer orders withdrawn, or (IV) are held by a Holder
or a permitted  transferee  pursuant to  subsection  8.1(g).

          (g)  "REGISTRATION EXPENSES" shall  mean  all expenses incurred by the
Company in complying with Section 8.1(a) hereof; including,  without limitation,
all registration, qualification and filing fees, printing expenses, escrow fees,
fees and  expenses  of counsel  for the  Company  and the  Holders up to $15,000
(aggregated for any other  registration  statement filed pursuant to Section 8.1
other than an additional  registration  required  because the Company  failed to
keep the  Registration  Statement in effect as required  under this  Agreement);
blue sky fees and expenses  (for a reasonable  number of states) and the expense
of any special  audits  incident to or  required by any such  registration.

          (h) "REGISTRATION STATEMENT" shall  have  the meaning ascribed to such
term in  Section  8.1(a).

          (i)  "REGISTRATION  PERIOD"  shall  have the  meaning ascribed to such
term in Section  8.1(c).

          (j)  "SELLING  EXPENSES"  shall  mean  all  underwriting discounts and
selling  commissions  and transfer  taxes  applicable to the sale of Registrable
Securities  and all fees and expenses of legal  counsel for any Holder in excess
of those fees and expenses treated as Registration Expenses.

                                   SECTION 8

                                    COVENANTS

     8.1   REGISTRATION RIGHTS.

          (a) REGISTRATION.  Within one month after August 10, 1998, the Company
will file a registration  statement (the "Registration  Statement') with the SEC
on Form S-3 or any  similar  short  form,  if  available,  or, if such forms are
unavailable,  on  Form  S-1 or any  other  appropriate  form  and  will  use its
reasonable best efforts for such Registration Statement to be declared effective
by the SEC. The Company will use its reasonable  best efforts to promptly effect
the registration,  qualifications or compliances (including, without limitation,
the execution of any required  undertaking  to file  post-effective  amendments,
appropriate  qualifications  under applicable blue sky or other state securities
laws and appropriate compliance with applicable securities laws, requirements or
regulations) as may be so reasonably requested and as would permit or facilitate
the sale and  distribution  of all  Registrable  Securities;  provided  that the
Company  shall not be  obligated  to take any  action to effect  any such  state
registration,  qualification or compliance pursuant to this subsection 8.1(a) in
any particular  jurisdiction in which the Company would be required to execute a
general   consent  to  service  of  process  in  effecting  such   registration,
qualification or compliance  unless the Company is already subject to service or
is required to qualify in such  jurisdiction,  as the case may be, and except as
may be required by the Securities  Act. The Company shall be obligated to effect
only one  registration  pursuant to this Section 8.1 so long as the Registration
Statement  is kept in  effect by the  Company  for the  period of time  required
hereby  (otherwise  the  Company  shall be  obligated  to effect  an  additional
registration).  The Penalty  Shares may, in the sole  discretion  of the Company
(consistent  with  applicable  securities  laws),  either  be  included  in  the
Registration Statement contemplated by this Section or may be included in one or
more separate registration  statements in which case the provisions of Section 8
shall  apply  to such  separate  registration  statements  as if they  were  the
Registration Statement.

          (b) EXPENSES  OF REGISTRATION.  All Registration  Expenses incurred in
connection  with any  registration,  qualification  or  compliance  pursuant  to
subsection  8.1(a) shall be borne by the Company.  All Selling Expenses relating
to the sale of  securities  registered by or on behalf of Holders shall be borne
by such Holders pro rata on the basis of the number of securities so registered.

          (c) REGISTRATION  PROCEDURES.  In  the  case  of  the    registration,
qualification or compliance  effected by the Company pursuant to this Agreement,
the Company will, upon reasonable  request,  inform each Holder as to the status
of such registration,  qualification and compliance.  At its expense the Company
will during such time as the Holder holds  Registrable  Securities:

               (i) use its reasonable  best  efforts to keep such  registration,
and any  qualification  or  compliance  under  state  securities  laws which the
Company  determines  to  obtain,  effective  until the shares  included  in such
registration  statement are sold or are otherwise  freely  transferable  and all
restrictive legends and stop transfer orders have been removed.

               (ii) furnish  such  number  of  prospectuses  and other documents
incident thereto as the Holders from time to time may reasonably request;

               (iii) use its reasonable best efforts to register or qualify such
Registrable  Shares  under  such  other  securities  or  blue  sky  laws of such
jurisdictions  as any Holder  reasonably  requests and do any and all other acts
and things which may be reasonably  necessary or advisable to enable such Holder
to consummate the disposition of the Registrable  Shares owned by such Holder in
such  jurisdictions;  provided,  that the  Company  will not be  required to (A)
qualify  generally  to do  business  in any  jurisdiction  where  it  would  not
otherwise  be required to qualify but for this Section  8.1(c),  or (B)  subject
itself to income taxation in any such  jurisdiction;

               (iv) notify each Holder of such Registrable  Shares,  at any time
when a  prospectus  relating  thereto  is  required  to be  delivered  under the
Securities  Act,  of the  happening  of any  event  as a  result  of  which  the
prospectus included in such registration  statement contains an untrue statement
of a material fact or omits any fact  necessary to make the  statements  therein
not misleading, and, at the request of any such Holder, the Company will prepare
a supplement or amendment to such prospectus so that, as thereafter delivered to
the purchasers of such Registrable  Shares,  such prospectus will not contain an
untrue  statement of a material fact or omit to state any fact necessary to make
the statements therein not misleading;

               (v)   cause all such  Registrable Shares  to  be listed or quoted
on each  securities  exchange or  automated  quotation  system on which  similar
securities  issued by the  Company  are then  listed or quoted;

               (vi)  appoint a   transfer  agent  and  registrar  for  all  such
Registrable  Shares  not  later  than the  effective  date of such  Registration
Statement;

               (vii) make available for inspection by any Holder of  Registrable
Shares,  any  underwriter  participating  in any  disposition  pursuant  to such
registration statement, and any attorney,  accountant or other agent retained by
any such Holder or  underwriter,  all  financial  and other  records,  pertinent
corporate  documents  and  properties  of the Company,  and cause the  Company's
officers,  employees  and  independent  accountants  to supply  all  information
reasonably requested by any such Holder,  underwriter,  attorney,  accountant or
agent in connection with such  registration  statement,  subject in each case to
appropriate  confidentiality  restrictions;  and

               (viii) use its best efforts  to  cause  the  Registrable   Shares
covered by such registration statement to be registered with or approved by such
other United  States or state  governmental  agencies or  authorities  as may be
necessary to enable the Holders  thereof to consummate  the  disposition of such
Registrable  Shares.  The period of time  during  which the  Company is required
hereunder to keep the Registration  Statement effective is referred to herein as
"the Registration Period."

          (d)  INDEMNIFICATION.

               (i) To the extent permitted by law,  the Company  will  indemnify
each Holder  requesting or joining in a  registration,  each agent,  officer and
director  of  such  Holders,  each  person  controlling  such  Holder  and  each
underwriter  and selling broker of the  securities so registered  (collectively,
"Indemnitees")  against all claims,  losses, damages and liabilities (or actions
in respect  thereof) arising out of or based on any untrue statement (or alleged
untrue  statement)  of a material  fact  contained in any  prospectus,  offering
circular  or other  document  incident  to any  registration,  qualification  or
compliance (or in any related registration statement,  notification or the like)
or any omission (or alleged  omission) to state therein a material fact required
to be stated therein or necessary to make the statements therein not misleading,
or any violation by the Company of the Securities Act, the Exchange Act or state
securities laws or any rule or regulation  promulgated under the Securities Act,
the  Exchange  Act or a state  securities  law, in each case  applicable  to the
Company,  and will  reimburse  each such  Indemnitee for any legal and any other
fees and  expenses  reasonably  incurred in  connection  with  investigating  or
defending any such claim, loss, damage, liability or action, provided,  however,
that the Company  will not be liable to any  Indemnitee  in any such case to the
extent that any such claim,  loss,  damage or  liability is caused by any untrue
statement  or omission so made in strict  conformity  with  written  information
furnished to the Company by an instrument  duly executed by such  Indemnitee and
stated  to be  specifically  for use  therein  and  except  that  the  foregoing
indemnity  agreement is subject to the condition that,  insofar as it relates to
any such untrue statement (or alleged untrue  statement) or omission (or alleged
omission) made in the  preliminary  prospectus but eliminated or remedied in the
amended  prospectus on file with the SEC at the time the registration  statement
becomes  effective or in the amended  prospectus  filed with the SEC pursuant to
Rule 424(b) (the "Final  Prospectus"),  such indemnity agreement shall not inure
to the benefit of any underwriter, or any Indemnitee if there is no underwriter,
if a copy of the Final  Prospectus  was not  furnished  to the  person or entity
asserting  the  loss,  liability,  claim or  damage at or prior to the time such
furnishing  is required by the  Securities  Act;  provided,  further,  that this
indemnity  shall not be  deemed to  relieve  any  underwriter  of any of its due
diligence obligations; provided, further, that the indemnity agreement contained
in this  subsection  8. l(d)(i) shall not apply to amounts paid in settlement of
any such claim, loss, damage, liability or action if such settlement is effected
without the consent of the  Company,  which  consent  shall not be  unreasonably
withheld.

               (ii) To  the  extent  permitted by law, each Holder requesting or
joining  in a  registration  and each  underwriter  and  selling  broker  of the
securities  so  registered  will  indemnify  the  Company and its  officers  and
directors and each person,  if any, who controls any thereof  within the meaning
of Section 15 of the Securities Act and their respective  successors against all
claims,  losses, damages and liabilities (or actions in respect thereof) arising
out of or based on any untrue  statement  (or  alleged  untrue  statement)  of a
material fact contained in any prospectus,  offering  circular or other document
incident to any  registration,  qualification  or compliance  (or in any related
registration  statement,  notification  or the like) or any omission (or alleged
omission)  to state  therein a material  fact  required to be stated  therein or
necessary to make the  statements  therein not misleading and will reimburse the
Company  and each  other  person  indemnified  pursuant  to this  subsection  8.
l(d)(ii)  for any legal and any other fees and expenses  reasonably  incurred in
connection  with  investigating  or  defending  any such  claim,  loss,  damage,
liability or action,  provided,  however, that this subsection 8. l(d)(ii) shall
apply only if (and only to the extent  that) such statement or omission was made
in reliance upon and in strict conformity with written  information  (including,
without  limitation,  written negative responses to inquiries)  furnished to the
Company by an instrument  duly executed by such Holder,  underwriter  or selling
broker  and  stated  to be  specifically  for use in such  prospectus,  offering
circular or other document (or related registration  statement,  notification or
the like) or any amendment or supplement thereto;  and except that the foregoing
indemnity  agreement is subject to the condition that,  insofar as it relates to
any such untrue statement (or alleged untrue  statement) or omission (or alleged
omission) made in the  preliminary  prospectus but eliminated or remedied in the
amended  prospectus on file with the SEC at the time the registration  statement
becomes effective or in the Final Prospectus, such indemnity agreement shall not
inure to the benefit of (i) the Company and (ii) any  underwriter or Holder,  if
there is no underwriter, if a copy of the Final Prospectus was not  furnished to
the person or entity asserting the loss, liability,  claim or damage at or prior
to the time  such  furnishing  is  required  by the  Securities  Act;  provided,
further,  that this indemnity  shall not be deemed to relieve any underwriter of
any of its due  diligence  obligations;  provided,  further,  that the indemnity
agreement  contained in this  subsection 8. l(d)(ii)  shall not apply to amounts
paid in settlement of any such claim, loss, damage,  liability or action if such
settlement is effected without the consent of the Holder or underwriter,  as the
case may be, which consent  shall not be  unreasonably  withheld;  and provided,
further,  that the  obligations  of such  Holders  shall be limited to an amount
equal to the net proceeds  received by such Holder from the sale of  Registrable
Stock in such offering as contemplated herein,  unless such claim, loss, damage,
liability or action resulted from such Holder's fraudulent misconduct.

               (iii)  Each  party  entitled  to indemnification  hereunder  (the
"indemnified  party")  shall  give  notice  to the  party  required  to  provide
indemnification (the "indemnifying party") promptly after such indemnified party
has actual knowledge of any claim as to which indemnity may be sought, and shall
permit the  indemnifying  party (at its  expense)  to assume the  defense of any
claim or any  litigation  resulting  therefrom,  provided  that  counsel for the
indemnifying  party,  who shall conduct the defense of such claim or litigation,
shall be reasonably  satisfactory to the indemnified  party, and the indemnified
party may  participate  in such  defense at such party's  expense,  and provided
further  that the omission by any  indemnified  party to give notice as provided
herein shall not relieve the  indemnifying  party of its obligations  under this
Section  8.1(d)  except to the extent that the omission  results in a failure of
actual notice to the indemnifying  party and such indemnifying  party is damaged
solely as a result of the failure to give notice. No indemnifying  party, in the
defense of any such claim or litigation,  shall consent, except with the consent
of each indemnified party, to entry of any judgment or enter into any settlement
which  does not  include  as an  unconditional  term  thereof  the giving by the
claimant or plaintiff to such indemnified  party of a release from all liability
in respect to such claim or litigation.

               (iv) The reimbursement required by this Section  8.1(d)  shall be
made by periodic payments during the course of the investigation or defense,  as
and when bills are received or expenses incurred.

               (v) The obligation of the Company under this Section 8.1(d) shall
survive  the  redemption,  if any,  of the Series B  Preferred  and the Series C
Preferred,  and  the  completion  of any  offering  of  Registrable  Stock  in a
registration  statement  under this  Section 8 or  otherwise.

          (e)  COVENANTS OF HOLDERS.

               (i) Each Holder agrees that, upon receipt of any notice from  the
Company of the happening of any event  requiring the preparation of a supplement
or amendment to a prospectus  relating to  Registrable  Securities  so that,  as
thereafter delivered to the Holders,  such prospectus will not contain an untrue
statement of a material  fact or omit to state any material  fact required to be
stated therein or necessary to make the statements therein not misleading,  each
Holder will forthwith discontinue disposition of Registrable Securities pursuant
to the  registration  statement  contemplated  by  subsection  8.1(a)  until its
receipt of copies of the  supplemented  or amended  prospectus  from the Company
and, if so directed by the Company, each Holder shall deliver to the Company all
copies,  other than permanent file copies then in such Holder's  possession,  of
the  prospectus  covering  such  Registrable  Securities  current at the time of
receipt of such notice.

               (ii) Each  Holder  severally  agrees for a period of time (not to
exceed 180 days)  from the  effective  date of any  registration  (other  than a
registration   effected  solely  to  implement  an  employee  benefit  plan)  of
securities  of the Company for any  underwritten  offering  (upon request of the
Company  or of  the  underwriters  managing  any  underwritten  offering  to the
Company's  securities)  not to sell,  make any short  sale of,  loan,  grant any
option for the purchase of, or otherwise  dispose of any Registrable  Securities
or any other  stock of the  Company  held by such  Holder,  other than shares of
Registrable Securities included in such registration,  without the prior written
consent of the Company or such  underwriters,  as the case may be; provided that
this  obligation is subject to the condition  that all officers and directors of
the  Company  and each holder of more than 2% of the  outstanding  Common  Stock
shall  enter  into  similar  agreements;  provided  further  that,  each  Holder
severally  agrees  that if and only if the  Holder  has not,  at the date of the
effectiveness of a subsequently filed registration  statement,  been required to
comply with the preceding  provisions of this Section, for a period of time (not
to exceed 90 days) from the effective date of any subsequent  registration  that
provides  in  whole  or in part  for the  underwritten  sale by the  Company  of
securities of the Company  (upon  request of the Company or of the  underwriters
managing any underwritten  offering of the Company's securities) the Holder will
agree not to sell,  make any short  sale of,  loan,  grant  any  option  for the
purchase of, or otherwise  dispose of any  Registrable  Securities  or any other
stock of the  Company  held by such  Holder,  other than  shares of  Registrable
Securities  included in such registration,  without the prior written consent of
the Company or such underwriters, as the case may be; provided that all officers
and  directors of the Company shall enter into similar  agreements.  Each Holder
agrees to suspend,  upon request of the Company,  any disposition of Registrable
Securities pursuant to the Registration Statement and prospectus contemplated by
subsection  8.1(a)  during  any  period,  not to exceed  one  30-day  period per
circumstance  or development  and not to exceed 60 days in any 12-month  period,
when the Company upon written  advice of counsel  determines  in good faith that
offers and sales  pursuant  thereto should not be made by reason of the presence
of material, undisclosed circumstances or developments with respect to which the
disclosure that would be required in such a prospectus is premature,  would have
an adverse effect on the Company.

               (iii) Each Holder agrees to notify  the Company, at any time when
a prospectus relating to the Registration  Statement  contemplated by subsection
8.1(a) is  required  to be  delivered  by it under the  Securities  Act,  of the
occurrence of any event relating to the Holder which requires the preparation of
a supplement or amendment to such prospectus so that, as thereafter delivered to
the purchasers of Registrable  Securities,  such  prospectus will not contain an
untrue  statement of a material fact or omit to state any material fact required
to be stated therein or necessary to make the statements  therein not misleading
relating to the Holder,  and each Holder shall  promptly  make  available to the
Company the  information to enable the Company to prepare any such supplement or
amendment.  Each Holder also agrees that,  upon  delivery of any notice by it to
the  Company of the  happening  of any event of the kind  described  in the next
preceding  sentence of this  subsection,  the Holder will forthwith  discontinue
disposition of Registrable  Securities  pursuant to such Registration  Statement
until its  receipt  of the  copies of the  supplemental  or  amended  prospectus
contemplated by this subsection, which the Company shall promptly make available
to each Holder and, if so directed by the Company,  each Holder shall deliver to
the Company all copies,  other than  permanent file copies then in such Holder's
possession,  of the prospectus  covering such Registrable  Securities current at
the time of receipt of such notice.

               (iv) Each Holder shall furnish to the  Company  such  information
regarding  such  Holder  and the  distribution  proposed  by such  Holder as the
Company may reasonably  request in writing or as shall be required in connection
with any registration,  qualification or compliance  referred to in this Section
8.1.

               (v) Each Holder hereby covenants with the Company (1) not to make
any sale of the Shares  without  effectively  causing  the  prospectus  delivery
requirements  under the Securities  Act to be satisfied,  and (2) if such Shares
are to be sold by any  method or in any  transaction  other  than on a  national
securities  exchange,  in the  over-the-counter  market,  on the NASDAQ National
Market,  in  privately  negotiated  transactions,  or in a  combination  of such
methods,  to notify the Company at least five business days prior to the date on
which the Purchaser first offers to sell any such Shares.

               (vi) Each Holder acknowledges and  agrees  that  the  Registrable
Securities sold pursuant to the Registration Statement described in this Section
are not  transferable  on the books of the Company unless the stock  certificate
submitted to the  transfer  agent  evidencing  such Shares is  accompanied  by a
certificate  reasonably  satisfactory  to the Company to the effect that (A) the
Registrable  Securities  have been  sold in  accordance  with such  registration
statement and (B) the  requirement  of delivering a current  prospectus has been
satisfied.  Each Holder  agrees that it will not effect any  disposition  of the
Registrable  Securities  that would  constitute a sale within the meaning of the
Securities Act except as contemplated in the registration  statement referred to
in this  Section  8.1 or in a  transaction  exempt from  registration  under the
Securities  Act.  Each Holder  agrees not to take any action with respect to any
distribution  deemed to be made  pursuant to such  registration  statement  that
constitutes  a violation  of  Regulation  M under the  Exchange Act or any other
applicable  rule,  regulation  or law.

          (f) RULE 144 REPORTING. With a view to making available to the Holders
the  benefits  of  certain  rules and  regulations  of the SEC which at any time
permit  the  sale  of  the   Registrable   Securities  to  the  public   without
registration, the Company agrees to use its reasonable best efforts to:

               (i) make  and  keep  public information available, as those terms
are understood and defined in Rule 144 under the Securities Act, at all times;

               (ii) file with the SEC in a  timely  manner all reports and other
documents required of the Company under the Exchange Act; and

              (iii) so  long  as  a  Holder  owns  any unregistered  Registrable
Securities,  furnish  to such  Holder  upon any  reasonable  request  a  written
statement by the Company as to its compliance with Rule 144 under the Securities
Act,  and of the  Exchange  Act, a copy of the most recent  annual or  quarterly
report of the Company,  and such other  reports and  documents of the Company as
such Holder may reasonably  request in availing itself of any rule or regulation
of the SEC allowing a Holder to sell any such securities without registration.

          (g) TRANSFER  OF  REGISTRATION RIGHTS. The rights to cause the Company
to register  Registrable  Securities granted to the Holders by the Company under
subsection  8.1(a) may be assigned in full by a Holder to an  Affiliate  of such
Holder or a transferee  of at least  100,000  shares of  Registrable  Securities
provided  that:  (i) such transfer may otherwise be effected in accordance  with
applicable  securities  laws; (ii) such Holder gives prior written notice to the
Company;  and  (iii)  such  transferee  agrees  to  comply  with the  terms  and
provisions of this Agreement including,  without limitation, the restrictions in
Section 4.6 and such  transfer is otherwise in compliance  with this  Agreement.
Except as  specifically  permitted by this paragraph (g), the rights of a Holder
with  respect  to  Registrable  Securities  as  set  out  herein  shall  not  be
transferable to any other Person.

          (h) WAIVERS AND AMENDMENTS. With  the  written  consent of the Company
and the Holders holding at least a majority of the then outstanding  Registrable
Securities, any provision of this Section 8.1 may be waived (either generally or
in a particular instance, either retroactively or prospectively and either for a
specified period of time or  indefinitely) or amended.  Upon the effectuation of
each such waiver or amendment,  the Company shall  promptly give written  notice
thereof to the Holders,  if any, who have not previously received notice thereof
or consented thereto in writing.

     8.2 DISPOSITION. The Purchaser has not and will not make any offer, sale or
other transfer of the Shares by any means which would not comply with applicable
law or this  Agreement  or which  would  otherwise  impose  upon the Company any
obligation  to  satisfy  any  public  filing or  registration  requirement.  The
Purchaser understands and agrees that any disposition of the Shares in violation
of this  Agreement  shall be null and void,  and that no  transfer of the Shares
shall be made by the  Company  or the  transfer  agent for the  Shares  upon the
Company's  stock  transfer  books or  records  unless  and until  there has been
compliance with the terms of this Agreement,  the Securities Act, any applicable
state and foreign securities law and any other laws.  Purchaser will not sell or
transfer the Shares unless:

          (a) there  is  then  in  effect  a  registration  statement  under the
Securities Act covering such proposed  disposition and such  disposition is made
in accordance with such Registration Statement; or

          (b) it shall have notified the Company of the proposed disposition and
shall  have  furnished  the  Company  with  a  statement  of  the  circumstances
surrounding the proposed disposition, and, if requested by the Company, it shall
have furnished the Company with an opinion of counsel,  reasonably  satisfactory
to the Company that such disposition is exempt from  registration of such shares
under the Securities Act or any applicable  state,  foreign or other  securities
laws.

The  Purchaser  will  not  transfer  the  Shares,  other  than  pursuant  to the
Registration  Statement or in a transaction  that complies with Rule 144, unless
the transferee agrees to be bound by the restrictions on transfer (including the
registration  provisions)  contained herein to the same extent as if it were the
original  Purchaser.  The provisions hereof shall apply to the Penalty Rights to
the same extent as the Shares.

     8.3 OTHER REGISTRATION RIGHTS. Each of the Company and the Purchaser agrees
that the  holders  of any  securities  of the  Company  which  are  entitled  to
registration  rights pursuant to (i) the June Subscription  Agreement,  (ii) the
Series C Preferred Stock Purchase Agreement among the Company and certain of its
security holders dated as of July 26, 1995 or (iii) the Stock Purchase Agreement
among the Company and certain of its  security  holders  dated as of November 9,
1993 shall be entitled to  participate  with respect to such  securities  in any
registration  effected  pursuant  to Section  8.1 hereof upon the same terms and
conditions as a Holder of Registrable Securities.

                                    SECTION 9

                                  MISCELLANEOUS

     9.1 TERMINATION  OF  AGREEMENT. The Company may terminate its obligation to
perform or observe any of its covenants and agreements hereunder to Purchaser if
Purchaser  violates  in a material  respect  any of the  material  covenants  or
agreements  of the  Purchaser  under  this  Agreement,  and  the  Purchaser  may
terminate  its  obligations  to  perform  or observe  any of its  covenants  and
agreements  hereunder if the Company violates or fails to perform in any respect
any of the  covenants  or  agreements  of the Company  under this  Agreement  to
Purchaser; provided, however, that neither the Company nor the Purchaser, as the
case may be, may terminate any of its obligations under this Agreement  pursuant
to this sentence  unless it shall have delivered  written notice of such default
to the other  party and such  default  shall not have been cured  within 30 days
after the delivery of such notice.

     9.2 GOVERNING LAW. THIS AGREEMENT  SHALL BE GOVERNED IN ALL RESPECTS BY THE
LAWS OF THE STATE OF TEXAS AS APPLIED TO CONTRACTS  ENTERED INTO SOLELY  BETWEEN
RESIDENTS OF, AND TO BE PERFORMED  ENTIRELY  WITHIN,  SUCH STATE.

     9.3 SURVIVAL; RELIANCE. The representations and  warranties  in  Sections 3
and 4 of this Agreement shall survive any investigation made by the Purchaser or
the Company for a period of two years after the Closing  Date and all  covenants
and agreements contained herein shall survive the execution and delivery of this
Agreement in accordance with their terms.  Thereafter,  such representations and
warranties  shall expire and be of no further force and effect,  and no cause of
action may be brought with respect to any breach thereof unless a written notice
specifying  the nature and the amount of the claims shall have been delivered by
the Company or the Purchaser,  as the case may be, with respect  thereto,  on or
before  two  years  after the  Closing  Date.  Any  representation  or  warranty
contained herein may be relied upon by counsel to the Company in connection with
any opinion delivered in connection with the transactions  contemplated  hereby.

     9.4 SUCCESSORS AND ASSIGNS. This  Agreement shall be binding upon and shall
inure to the benefit of the parties hereto and their  respective  successors and
assigns. Except as otherwise provided in this Agreement,  this Agreement may not
be assigned  by a party  without  the prior  written  consent of the other party
except by operation  of law, in which case the assignee  shall be subject to all
of the provisions of this Agreement.

     9.5 NOTICES AND DATES. Any notice or other communication   given under this
Agreement  shall be sufficient if in writing and will be effective as of (a) the
date of receipt if delivered by hand, by messenger or by courier, or transmitted
by  facsimile,  to a party at its  address  set forth  below  (or at such  other
address  as shall be  designated  for such  purpose  by such  party in a written
notice to the other party hereto) or (b) three days after the date when the same
shall have been posted by registered mail, return receipt requested, in any post
office in the United  States of America,  postage  prepaid and  addressed to the
party at such address:

          (i)           if to the Company:


                        3DX Technologies Inc.
                        12012 Wickchester
                        Suite 250
                        Houston, Texas 77079
                        Attn: Chief Financial Officer
                        (Facsimile) (281) 579-9227


          (ii)          if to Purchaser:

                         Santa Fe Energy Resources, Inc.
                         1616 S. Voss Suite 1000
                         Houston, Texas 77057
                         Attn: General Counsel
                         (Facsimile) (713) 507-5341

     9.6  SPECIFIC PERFORMANCE. The parties hereto acknowledge  and  agree  that
irreparable  damage  would  occur in the  event  any of the  provisions  of this
Agreement  were not  performed in  accordance  with its  specific  terms or were
otherwise  breached  and that  such  damage  would not be  compensable  in money
damages and that it would be extremely difficult or impracticable to measure the
resultant  damages.  It is  accordingly  agreed that any party  hereto  shall be
entitled to an injunction or injunctions  to prevent  breaches of the provisions
of this Agreement and to enforce  specifically the terms and provisions  hereof,
in addition to any other remedy to which it may be entitled at law or in equity,
and such party that is sued for breach of this  Agreement  expressly  waives any
defense  that a remedy in damages  would be adequate  and  expressly  waives any
requirement in an action for specific  performance  for the posting of a bond by
the party bringing such action.

     9.7 FURTHER ASSURANCES. The parties hereto shall do and perform or cause to
be done and  performed  all such further  acts and things and shall  execute and
deliver all such other agreements, certificates, instruments or documents as any
other party may  reasonably  request from time to time in order to carry out the
intent and purposes of this Agreement and the  consummation of the  transactions
contemplated  hereby.

     9.8  COUNTERPARTS. This Agreement may be executed in any number of counter-
parts,  each of which may be executed by fewer than all of the parties,  each of
which  shall  be  enforceable   against  the  parties  actually  executing  such
counterparts,  and all of which together shall  constitute one  instrument.

     9.9 SEVERABILITY.  In   the event that  any  provision  of  this  Agreement
becomes or is  declared  by a court of  competent  jurisdiction  to be  illegal,
unenforceable  or void,  this Agreement  shall continue in full force and effect
without said provision; provided that no such severability shall be effective if
it materially  changes the economic impact of this Agreement on any party.

     9.10 CAPTIONS. Headings of the various sections of this Agreement have been
inserted  for  convenience  of  reference  only and shall not be relied  upon in
construing this Agreement. Use of any gender herein to refer to any person shall
be deemed to  comprehend  masculine,  feminine  and neuter  unless  the  context
clearly requires otherwise.

     9.11 PUBLIC STATEMENTS.  The  Purchaser  agrees  not  to issue any public
statement with respect to it's investment or proposed  investment in the Company
or the terms of any agreement or covenant between it and the Company without the
Company's  prior written  consent,  except such  disclosures  as may be required
under applicable law or under any applicable  order,  rule or regulation.

     9.12 BROKERS. Each of the Company and the Purchaser represents and warrants
to the others that it has not engaged,  consented to or  authorized  any broker,
finder or intermediary to act on its behalf directly or indirectly, as a broker,
finder or intermediary in connection with the transactions  contemplated by this
Agreement.  Each of the Company and the Purchaser hereby agrees to indemnify and
hold harmless the other from and against all fees, commissions or other payments
owing to any such person or firm acting on behalf of such Person hereunder.

     9.13 COSTS AND  EXPENSES.  Each  party  hereto  shall pay its own costs and
expenses  incurred in  connection  herewith,  including the fees of its counsel,
auditors and other representatives, whether or not the transactions contemplated
herein are consummated.

     9.14 NO THIRD-PARTY  RIGHTS.  Nothing in this Agreement shall  create or be
deemed  to  create  any  rights  in any  person  or  entity  not a party to this
Agreement except for certain registration rights granted hereunder to Persons in
accordance  with  Section  8.3 hereof.

     9.15 ENTIRE  AGREEMENT;  AMENDMENT.  This Agreement and the other documents
delivered  pursuant  hereto  constitute  the full and entire  understanding  and
agreement  between the parties  with  regard to the  subject  matter  hereof and
supersede all prior agreements and understandings  among the parties relating to
the subject matter  hereof. No party shall be liable or bound to any other party
in  any  manner  by any  warranties,  representations  or  covenants  except  as
specifically set forth herein. Neither this Agreement nor any term hereof may be
amended,  waived,  discharged or terminated  other than by a written  instrument
signed by the party  against whom  enforcement  of any such  amendment,  waiver,
discharge  or  termination  is  sought  except  that  any  matter   relating  to
registration  rights  hereunder may be waived or amended on behalf of all of the
Holders, by the consent of the Company and the Holders holding a majority of the
then  outstanding  Registrable   Securities.

This Common Stock Subscription  Agreement is agreed to and accepted as of August
21, 1998.

                                    3DX TECHNOLOGIES INC.



                                     By:/s/ Russell L. Allen
                                        ----------------------------------------
                                        Russell L. Allen
                                        Vice President Finance and
                                        Chief Financial Officer


                                     SANTA FE ENERGY RESOURCES, INC.



                                      By:/s/ David C. Hicks
                                        ----------------------------------------
                                        David C. Hicks, Vice President
                                        and General Counsel


<PAGE>



                                    EXHIBIT A

                             SCHEDULE OF EXCEPTIONS

     1.   The Company's August 19 press release is  incorporated herein in their
entirety.

     2.   The Company made a Voluntary Request for Consideration, dated February
5, 1998, a copy of which has been provided to the Purchaser,  under the Employee
Plan Closing  Agreement  Program to correct certain  operational  defects in its
former defined  contribution  pension plan,  which was intended to qualify under
section  401(a) of the Internal  Revenue Code of 1986,  as amended.  The Company
believes that it has made adequate provision on its financial statements for any
liability   (including  interest  and  penalties)  that  may  result  from  such
operational defects.

     3.   The Company has not received a determination  letter from the Internal
Revenue Service with regard to its current 401(k) Employee  Savings Plan,  which
plan the Company adopted in January 1998.



<PAGE>



                                    EXHIBIT B

                             ADDITIONAL INFORMATION


<PAGE>



                                    EXHIBIT B


            CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS

            Certain statements in the materials given to the Purchaser including
statements  regarding  anticipated  capital  expenditures,  estimates  of proved
reserves, future rates of production, future growth, future exploration,  future
seismic data (including timing and results),  future reserves,  revenues, future
drilling  (including the timing and results  thereof),  expansion of operations,
generation of additional  prospects and results of current or future  prospects,
future  reserves and future  leases,  and other land  rights,  timing of capital
expenditures  and  regulatory  reform,  and other  statements  contained  herein
regarding matters that are not historical facts, are forward-looking  statements
(as such term is  defined in the  Private  Securities  Litigation  Reform Act of
1995). The words  "budgeted",  "anticipate,"  "project,"  "estimate,"  "expect,"
"may,"  "believe,"  "potential" and similar  statements are intended to be among
the statements  that are  forward-looking  statements.  Because such  statements
include risks and uncertainties, actual results may differ materially from those
expressed  or implied by such  forward-looking  statements.  Factors  that could
cause actual results to differ materially include, but are not limited to, those
discussed under "Risk Factors" and in the Company's filings with the SEC.

                                  RISK FACTORS


LIMITED OPERATING HISTORY AND SIGNIFICANT HISTORICAL OPERATING LOSSES

            The Company  commenced its operations in 1993 and has only a limited
operating  history.  Potential  investors,  therefore,  have limited  historical
financial  and  operating  information  upon which to base an  evaluation of the
Company's  performance and an investment in shares of Common Stock. For example,
many of the producing wells within exploration  projects in which the Company is
participating  have  been  on  production  only  for a  short  period  of  time.
Therefore,  estimations  with respect to the proved reserves and level of future
production  attributable to these wells are difficult to determine and there can
be no assurance as to the volume of  recoverable  reserves that will be realized
from such wells.  The  Company's  prospects  must be  considered in light of the
risks,  expenses and  difficulties  frequently  encountered  by companies in the
early  stages  of their  development.  As a result  of  operating  expenses  and
impairments  of oil and gas  properties,  the Company has  incurred  significant
operating and net losses to date. The development of the Company's  business and
its participation in an increasingly  larger number of projects has required and
will  continue  to  require  substantial  expenditures.   The  Company's  future
financial  results will depend  primarily on its ability to economically  locate
hydrocarbons in commercial  quantities to provide drilling site and target depth
recommendations  resulting  in  profitable  productive  wells and on the  market
prices for oil and gas.  There can be no assurance that the Company will achieve
or sustain profitability or positive cash flows from operating activities in the
future.

VOLATILITY OF OIL AND GAS PRICES

            Although the Company's  primary  efforts are focused on reducing the
hydrocarbon  finding  costs in those  projects  in  which it  participates,  the
Company's revenues,  profitability,  cash flow and future growth are affected by
changes in prevailing  oil and gas prices.  Oil and gas prices have been subject
to wide  fluctuations in recent years in response to relatively minor changes in
the  supply  and demand  for oil and gas,  market  uncertainty  and a variety of
additional  factors  that are  beyond  the  control  of the  Company,  including
economic,  political and  regulatory  developments  and  competition  from other
sources  of  energy.  It is  impossible  to  predict  future  oil and gas  price
movements with any certainty.  Currently, the Company does not engage in hedging
activities.  As a  result,  the  Company  may  be  more  adversely  affected  by
fluctuations  in oil and gas prices  than other  industry  participants  that do
engage in such activities.  No assurances can be given as to the future level of
activity  in the  oil and  gas  exploration  and  development  industry  and its
relationship to the future demand for the expertise  offered by the Company.  An
extended  or  substantial  decline in oil and gas  prices  could have a material
adverse  effect on the Company's  financial  position and results of operations,
the volume of oil and gas that may be  economically  produced by  operations  of
projects in which the Company participates and the Company's access to capital.

RELIANCE ON SIGNIFICANT PARTNERS

              The  Company  has in the past and  expects  in the  future to rely
extensively upon its existing and future partners to offer opportunities for the
Company to participate in exploration projects. All of the Company's oil and gas
revenues  have been  derived  from its  participation  in  projects  involving a
limited number of partners.  The Company's  inability to secure future  business
opportunities  generated by these or other  partners  could limit the  Company's
ability to fully  implement its business plan and could have a material  adverse
effect on the Company's business, financial condition and results of operations.

NON-OPERATOR STATUS

            The Company focuses  exclusively on providing 3-D imaging and relies
upon other project partners to provide and complete all other project operations
and responsibilities including land acquisition, drilling, marketing and project
administration.  As a result, the Company has only a limited ability to exercise
control over a significant  number of a project's  operations or the  associated
costs of such operations. The success of a project is dependent upon a number of
factors  which are  outside  of the  Company's  area of  expertise  and  project
responsibilities.  Such factors include: (i) the availability of favorable lease
terms and required  permitting  for projects,  (ii) the  availability  of future
capital  resources by the Company and the other  participants for the purchasing
of leases and the drilling of wells, (iii) the approval of other participants to
the  purchasing  of leases and the drilling of wells on the  projects,  (iv) the
economic  conditions  at the time of  drilling,  including  the  prevailing  and
anticipated  prices  for oil and gas and  (v) the  ability  of the  operator  to
successfully and adequately  perform its tasks. The Company's  reliance on other
project  partners and its limited  ability to directly  control  certain project
costs could have a material  adverse effect on the realization of expected rates
of return on the Company's investment in projects.

ABILITY TO DISCOVER ADDITIONAL RESERVES

            The  Company's  future  success  is  dependent  upon its  ability to
economically  locate  additional oil and gas reserves in commercial  quantities.
The Company's ability to do so is dependent upon a number of factors,  including
its  participation  in  multiple  exploration  projects  and  its  technological
capability to locate oil and gas in commercial  quantities.  Because the Company
does not generate or develop its own projects  (except in instances  relating to
trend plays),  relying  instead upon other  industry  participants  to do so, no
assurances  can  be  given  that  the  Company  will  have  the  opportunity  to
participate  in projects which  economically  produce  commercial  quantities of
hydrocarbons in amounts necessary to meet its business plan or that the projects
in which it elects to participate will be successful.  Except to the extent that
the  Company   successfully   locates  commercial   quantities  of  economically
recoverable oil and gas, the Company's  proved reserves will decline as reserves
are  produced.  There  can be no  assurance  that  the  Company  will be able to
discover additional  commercial  quantities of oil and gas or that the Company's
project  partners  will have success  drilling  productive  wells and  acquiring
properties at low finding costs.

SUBSTANTIAL CAPITAL REQUIREMENTS AND LIQUIDITY

              To date,  net  cash  provided  by  operating  activities  has been
limited  and the  Company  has  funded  its oil and gas  exploration  activities
principally  through  cash  provided  by the  sale  of  equity  securities.  The
Company's  business requires  substantial oil and gas capital  expenditures.  To
achieve its near-term  goals,  the Company has been and will be required to make
oil and gas capital  expenditures  substantially  in excess of its net cash flow
from operations in order to acquire, explore and develop oil and gas properties.
The level of  capital  spending  in 1998 will be  dependent  upon the  Company's
ability to obtain additional sources of funding.

            As of March 31, 1998,  the Company had a deficit in working  capital
of  approximately  $3.8 million.  On December 18, 1997,  the Company  executed a
credit agreement with a commercial bank, the borrowing capacity of which was set
at $2.0  million  in April  1998.  There  were no  borrowings  under the  credit
agreement during the quarter ended March 31, 1998. Subsequent to March 31, 1998,
the Company borrowed $2.0 million under the credit agreement. Such amount is the
maximum amount currently available for borrowing under the credit facility.  The
borrowing  capacity is a function of the value of the  Company's  proved oil and
gas reserves,  and is redetermined on a quarterly  basis.  The bank is currently
conducting  a scheduled  redetermination.  Although  the Company  increased  its
proved reserves as a result of successful drilling operations during the quarter
ended March 31, 1998,  the bank has not  concluded  whether it will increase the
borrowing   capacity  at  this  time.   The  credit   agreement  is  secured  by
substantially  all  of  the  Company's  oil  and  gas  properties  and  contains
restrictions on dividends and additional liens and indebtedness and requires the
maintenance  of a minimum  current  ratio and net worth,  each as defined in the
credit  agreement.  As of March 31, 1998, the Company was not in compliance with
certain covenants of the credit agreement  pertaining to minimum working capital
and aging of accounts  payable.  The bank has agreed to waive these instances of
non-compliance  through June 30, 1998. In the absence of an  improvement  in the
Company's  working capital and accounts  payable aging,  future waivers from the
bank will be necessary.

            As a result of the Company's  periodic review of each of its oil and
gas  exploration  and  development  properties  and its available  capital,  the
Company has occasionally sold partial interests in specific oil and gas projects
to other investors to reduce its total  investment  commitment to such projects.
No gain or loss has  been  recognized  on these  transactions.  The  Company  is
currently  reviewing  its  portfolio  to identify  properties  to be marketed to
industry partners for cash consideration, reversionary working interests or some
combination  thereof.  Such  interests may consist of both  producing  wells and
future drilling locations. There can be no assurance,  however, that the Company
will be able to sell any such  interests,  or that the  terms of such  potential
sales would be acceptable to the Company.

            The Company  will  require  additional  sources of financing to fund
drilling  expenditures  on properties  currently  owned by the Company and, to a
lesser extent,  to fund leasehold costs and geological and geophysical  costs on
its active  exploration  projects.  The Company generally has the right, but not
the obligation, to participate for its percentage interest in drilling wells and
can decline to participate if it does not have sufficient  capital  resources at
the time such drilling operations are proposed. The Company can also potentially
transfer  its right to  participate  in drilling  wells in exchange  for cash, a
reversionary interest, or some combination thereof. To recover its investment in
unevaluated properties, it is necessary for the Company to either participate in
drilling which finds commercial oil and gas production and produce such reserves
or receive sufficient value through the sale or transfer of its interests.

              The Company  expects that its projected  cash flows from currently
producing   properties   will  be  sufficient  to  fund  its  cash  general  and
administrative costs for the remainder of 1998, including technical employee and
related costs which are capitalized under full-cost accounting,  however,  these
cash flows are not  projected to be  sufficient  to fund the current  deficit in
working  capital.  The  Company's  projections  of  cash  flows  from  currently
producing  properties  could be  adversely  affected  by declines in oil and gas
prices below  current  levels or  anticipated  seasonal  lows and  unanticipated
declines in oil and gas production from existing properties.

              The Company  intends to seek  additional  financing to satisfy its
capital requirements. The Company is currently evaluating alternatives to obtain
additional equity  financing,  which include sales of common or preferred stock.
In the absence of additional financing,  the Company anticipates that it will be
required to modify the  implementation and timing of its oil and gas exploration
and  development  capital  spending for 1998,  which  modification  could have a
material  adverse  effect on the  Company.  No  assurance  can be given that the
Company  will be able to obtain  additional  financing  on terms  which would be
acceptable  to the  Company,  if at  all.  The  Company's  inability  to  obtain
additional  financing would have a material  adverse effect on the Company.  The
lack of firm  commitments for equity  financing at this time,  combined with the
deficit in working capital,  raises uncertainty about the ability of the Company
to  continue  as a going  concern.  In the absence of  additional  funding,  the
Company may be required to reduce its planned level of capital  expenditures  or
pursue other financial alternatives, which could include a sale or merger of the
Company.

            The Company expects to seek to obtain  additional funds, in addition
to the proceeds of this  offering,  through  equity or debt  financing,  or from
other  sources.  If additional  funds are raised by issuing  equity  securities,
dilution to  stockholders  may occur.  The Board of  Directors of the Company is
empowered, without stockholder approval, to issue series of preferred stock with
dividend, liquidation,  conversion, voting and other rights that could adversely
affect the voting power or other rights of the holders of the common stock.  Any
such  preferred  stock or common stock may be offered at or near the time of the
securities offered pursuant to this transaction and may be on terms more or less
favorable than those offered  pursuant to this  transaction.  If debt securities
are issued,  a portion of the  Company's  cash flow will have to be dedicated to
payment of principal  and interest on such  indebtedness  and the Company may be
subject to certain  restrictive  financial  and  operating  restrictions  in the
agreements and instruments relating to such indebtedness.

UNCERTAINTY OF ESTIMATES OF OIL AND GAS RESERVES

            There are numerous  uncertainties inherent in estimating oil and gas
reserves and in projecting future rates of production.  Petroleum engineering is
a subjective process of estimating underground accumulations of oil and gas that
cannot be measured in an exact manner. Estimates of economically recoverable oil
and gas  reserves  and of future net cash flows depend upon a number of variable
factors and  assumptions,  such as 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  cost,  severance  and  excise  taxes,  development  costs and
workover and remedial costs, all 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.

DEPENDENCE ON EXPLORATORY DRILLING ACTIVITIES

            The success of the Company  will be  materially  dependent  upon the
continued  success of its exploratory  drilling  program.  Exploratory  drilling
involves numerous risks, including the risk that no commercially  productive oil
or natural gas reservoirs will be encountered. The cost of drilling,  completing
and  operating  wells  is  often  uncertain,  and  drilling  operations  may  be
curtailed,  delayed or cancelled as a result of a variety of factors,  including
unexpected  drilling  conditions,  pressure  or  irregularities  in  formations,
equipment  failures or accidents,  adverse weather  conditions,  compliance with
governmental  requirements  and  shortages  or  delays  in the  availability  of
drilling  rigs or delivery  crews and the  delivery of  equipment.  Although the
Company believes that its use of 3-D seismic data and other advanced  technology
should  increase the  probability  of success of its  exploratory  wells through
elimination of prospects that might  otherwise be drilled solely on the basis of
2-D seismic data and other traditional  methods,  exploratory drilling remains a
speculative  activity.  Even when fully utilized and properly  interpreted,  3-D
seismic data and advanced  techniques only assist  geoscientists  in identifying
subsurface  structures and do not allow the  interpreter to know if hydrocarbons
will in fact be present in such structures if they are drilled. In addition, the
use of 3-D  seismic data and such  technologies  requires  greater  pre-drilling
expenditures  than traditional  drilling  strategies and the Company could incur
losses  as  a  result  of  such  expenditures.  The  Company's  future  drilling
activities may not be successful and. if unsuccessful, such failure will have an
adverse  effect on the  Company's  future  results of  operations  and financial
condition. There can be no assurance that the Company's overall drilling success
rate or its drilling success rate for activity within a particular  project area
will not decline.  The Company may choose not to acquire option and lease rights
prior to acquiring  seismic data and, in many cases,  the Company may identify a
prospect or  drilling  location  before  seeking  option or lease  rights in the
prospect or location and in which  prospects the Company may not have any option
or lease  rights.  Although the Company has  identified or budgeted for numerous
drilling prospects, there can be no assurance that such prospects will be leased
or drilled  (or drilled  within the  scheduled  or budgeted  time frame) or that
natural gas or oil will be produced  from any such  identified  prospects or any
other  prospects. [Prospects  may  initially be  identified  through a number of
methods,  some of which do not include  interpretation  of 3-D or other  seismic
data. Wells that are currently  included in the Company's  capital budget may be
based upon statistical results of drilling activities in other 3-D project areas
that the Company believes are geologically  similar,  rather than on analysis of
seismic or other data.  Actual drilling and results are likely to vary from such
statistical results and such variance may be material.] Similarly, the Company's
drilling schedule may vary from its capital budget.

COMPETITION

            The  exploration  for and  production  of oil  and  gas  are  highly
competitive.  Many  companies  and  individuals  are engaged in the  business of
acquiring  interests  in and  developing  onshore  and near  onshore oil and gas
properties  in the United  States.  The industry is not  dominated by any single
competitor or a small number of competitors.  The Company  competes with a large
number  of  independent,  technology-driven  service  companies  and  major  and
independent  oil and gas companies for the  acquisition of desirable oil and gas
properties,  as well as for the equipment and expertise  required to operate and
develop such  properties.  Many of these  competitors  have  financial and other
resources  substantially  in  excess of those  available  to the  Company.  Such
competitive  disadvantages  could  adversely  affect  the  Company's  ability to
participate in projects with favorable rates of return.

TECHNOLOGICAL CHANGES

            The oil and gas industry is  characterized  by rapid and significant
technological  advancements  and  introductions  of new  products  and  services
utilizing new  technologies.  As new  technologies  develop,  the Company may be
placed at a competitive  disadvantage,  and competitive  pressures may force the
Company to implement such new  technologies  at  substantial  cost. In addition,
other oil and gas finding  companies may implement new  technologies  before the
Company,  and  consequently  such  companies  may be  able to  provide  enhanced
capabilities  and superior  quality compared with that which the Company is able
to provide.  There can be no assurance  that the Company will be able to respond
to such competitive  pressures and implement such technologies on a timely basis
or at an acceptable cost. One or more of the technologies  currently utilized by
the Company or implemented in the future may become obsolete.  In such case, the
Company's  business,  financial  condition  and results of  operations  could be
materially  adversely  affected.  If the  Company is unable to utilize  the most
advanced commercially  available technology,  the Company's business,  financial
condition and results of operations could be materially and adversely affected.

OPERATING RISKS OF OIL AND NATURAL GAS OPERATIONS

            The oil and natural gas business  involves certain operating hazards
such as well  blowouts,  craterings,  explosions,  uncontrollable  flows of oil,
natural  gas  or  well  fluids,  fires,   formations  with  abnormal  pressures,
pollution,  releases of toxic gas and other environmental hazards and risks, any
of which  could  result in  substantial  losses  to the  Company.  In  addition,
offshore  projects are subject to the additional  hazards of marine  operations,
such as  capsizing,  collision  and  damage or loss  from  severe  weather.  The
availability  of a ready market for the Company's oil and natural gas production
also  depends on the  proximity  of reserves  to, and the  capacity  of, oil and
natural gas gathering systems, pipelines and trucking or terminal facilities. In
addition, the Company may be liable for environmental damages caused by previous
owners of property purchased and leased by the Company. As a result, substantial
liabilities  to third  parties or  governmental  entities may be  incurred,  the
payment of which could reduce or eliminate the funds available for  exploration,
development or acquisitions  or result in the loss of the Company's  properties.
In accordance with customary industry practices, the Company maintains insurance
against some, but not all, of such risks and losses.  The occurrence of an event
not fully  covered  by  insurance  could have a material  adverse  effect on the
financial condition and results of operations of the Company.

GOVERNMENT REGULATION AND ENVIRONMENTAL MATTERS

            Oil and natural gas operations are subject to various federal, state
and local  government  regulations,  which may be  changed  from time to time in
response to economic or  political  conditions.  Matters  subject to  regulation
include  discharge  permits for drilling  operations,  drilling  bonds,  reports
concerning  operations,  the  spacing  of  wells,  unitization  and  pooling  of
properties  and taxation.  From time to time,  regulatory  agencies have imposed
price controls and  limitations on production by restricting the rate of flow of
oil and natural gas wells below actual production  capacity in order to conserve
supplies  of oil and natural  gas. In  addition,  the  development,  production,
handling,  storage,   transportation  and  disposal  of  oil  and  natural  gas,
by-products  thereof  and other  substances  and  materials  produced or used in
connection  with oil and natural gas operations are subject to regulation  under
federal,  state and local laws and regulations  primarily relating to protection
of human health and the environment. The Company is also subject to changing and
extensive tax laws, the effects of which cannot be predicted. The implementation
of new,  or the  modification  of  existing,  laws or  regulations  could have a
material adverse effect on the Company.

VARIABILITY OF OPERATING RESULTS

              The  Company's  operating  results have in the past and may in the
future  fluctuate  significantly  depending  upon a number of factors  including
industry conditions,  prices of oil and gas, rate of drilling success,  rates of
production  from completed  wells and the timing of capital  expenditures.  Such
variability  could have a material  adverse  effect on the  Company's  business,
financial condition and results of operations. In addition, any failure or delay
in the realization of expected cash flows from operating  activities could limit
the  Company's  ability to invest and  participate  in  economically  attractive
projects.

RISKS  ASSOCIATED  WITH  MANAGEMENT  OF GROWTH  AND  IMPLEMENTATION  OF GROWTH
STRATEGY

            The Company's  rapid growth has placed,  and is expected to continue
to  place,  a  significant  strain  on  the  Company's   financial,   technical,
operational and administrative  resources. As the Company increases its services
and  enlarges  the  number  of  projects  it is  evaluating  or in  which  it is
participating,  there will be  additional  demands on the  Company's  financial,
technical and administrative  resources.  The failure to continue to upgrade the
Company's technical, administrative,  operating and financial control systems or
the occurrence of unexpected expansion  difficulties,  including the recruitment
and retention of geoscientists  and   engineers,  could have a material  adverse
effect on the Company's business, financial condition and results of operations.

DEPENDENCE ON KEY PERSONNEL

            The Company has assembled a team of  geologists,  geophysicists  and
engineers  who have  considerable  experience  effectively  applying 3-D imaging
technologies. The Company is dependent upon the knowledge, skills and experience
of these  experts to provide 3-D imaging and assist the Company in reducing  the
risks associated with its participation in oil and gas exploration  projects. In
addition,  the success of the  Company's  business also depends to a significant
extent upon the abilities and continued efforts of its management,  particularly
Ronald Nowak,  the Company's  President and Chief  Executive  Officer,  Peter M.
Duncan,  Vice  President of  Technology,  Douglas C. Nester,  Vice  President of
Exploration  and  Randall D. Keys,  Vice  President  of  Finance.  Mr.  Keys has
announced  his  intention to leave the Company.  The loss of the services of key
management  personnel or the Company's  technical  experts,  or the inability to
attract additional qualified personnel,  could have a material adverse effect on
the Company's business, financial condition, results of operations,  development
efforts and ability to expand.  There can be no assurance  that the Company will
be successful in attracting and retaining  such  executives,  geoscientists  and
engineers.

ANTI-TAKEOVER CONSIDERATIONS

              The  Company's   Restated   Certificate  of   Incorporation   (the
"Certificate of Incorporation")  and Amended and Restated By-laws (the "Bylaws")
include  certain  provisions  that are  intended  to enhance the  likelihood  of
continuity and stability in the composition of the Company's Board of Directors.
These  provisions  may have the effect of delaying,  deterring  or  preventing a
future  takeover  or change in control of the Company  unless  such  takeover or
change in control is approved by the Company's  Board of Directors,  even though
such a transaction may offer the holders of Common Stock the opportunity to sell
their stock at a price above the prevailing  market price.  Such  provisions may
also  render  the  removal  of  directors   and   management   more   difficult.
Specifically,  the Certificate of  Incorporation  and Bylaws provide for certain
advance  notice  requirements  for  stockholder  nominations  of candidates  for
election to the  Company's  Board of  Directors  and certain  other  stockholder
proposals.  Such provisions  could limit the price that certain persons might be
willing  to pay in the future for shares of Common  Stock.  The  Certificate  of
Incorporation  authorizes  the Board of  Directors  of the Company to issue from
time to time,  without any  further  action of  stockholders,  up to one million
shares of  Preferred  Stock (as  defined  herein),  on such  terms and with such
rights, designations, preferences, qualifications,  limitations and restrictions
as the Board of Directors may determine.  The issuance of such Preferred  Stock,
depending   upon  the   rights,   designations,   preferences,   qualifications,
limitations and restrictions thereof, may have the effect of delaying, deterring
or  preventing  a change in control of the  Company or may  otherwise  adversely
affect the interests of holders of Common Stock. Further,  certain provisions of
the Delaware General  Corporation Law (the "DGCL") prevent certain  stockholders
from  engaging in business  combinations  with the  Company,  subject to certain
exceptions.


<PAGE>



                          DESCRIPTION OF CAPITAL STOCK

GENERAL

            The Company's authorized capital stock consists of 20,000,000 shares
of Common Stock, and 1,000,000 shares of Preferred Stock.

            The statements  set forth below are brief  summaries of the material
provisions of the Certificate of Incorporation  and Bylaws both as amended which
are filed as exhibits to the Company's  Form 10-K filed with the SEC relating to
the  Company's  capital  stock and  certain  provisions  of Delaware  law.  Such
summaries do not purport to be complete,  and are subject to, and are  qualified
in their  entirety by reference to, such  documents and to the Delaware  General
Corporation law.

COMMON STOCK

            Holders of shares of Common Stock are entitled to one vote per share
on all matters which the holders of Common Stock are entitled to vote and do not
have any cumulative voting rights.  This means that the holders of more than 50%
of the  shares  voting  for the  election  of  directors  can  elect  all of the
directors if they choose to do so; in such event,  the holders of the  remaining
shares of  Common  Stock  will not be able to elect  any  person to the Board of
Directors.  Subject  to the  rights of the  holders  of shares of any  series of
Preferred  Stock,  holders of Common Stock are entitled to receive  ratably such
dividends  as may from time to time be declared by the Board of Directors of the
Company out of funds legally available therefor;  however,  the Company does not
currently expect to pay dividends and the Company's  credit agreement  restricts
the payment of dividends.  Holders of shares of Common Stock have no preemptive,
conversion,  redemption,  subscription  or  similar  rights.  In the  event of a
liquidation,  dissolution  or winding up of the  Company,  whether  voluntary or
involuntary, holders of shares of Common Stock are entitled to shares ratably in
the assets of the Company that are legally available for  distribution,  if any,
remaining  after the payment or provision for the payment of all debts and other
liabilities  of the Company and the payment and setting aside for payment of any
preferential  amount due to the  holders  of shares of any  series of  Preferred
Stock.  All  outstanding  shares of Common  Stock are,  and all shares of Common
Stock offered hereby when issued will be, upon payment therefor, validly issued,
fully paid and nonassessable.

PREFERRED STOCK

            The Certificate of  Incorporation  authorizes the Board of Directors
of the Company to issue from time to time up to one million  shares of Preferred
Stock in one or more  series and to fix the rights,  designations,  preferences,
qualifications, limitations and restrictions thereof, including dividend rights,
dividend  rates,   conversion  rights,   voting  rights,  terms  of  redemption,
redemption prices, liquidation preferences and the number of shares constituting
any series,  without any further action by the stockholders of the Company.  The
issuance of Preferred  Stock with voting rights could have an adverse  effect on
the  voting  power of  holders  of  Common  Stock by  increasing  the  number of
outstanding shares having voting rights. In addition,  if the Board of Directors
authorizes  Preferred  Stock  with  conversion  rights,  the number of shares of
Common Stock  outstanding  could  potentially  be increased up to the authorized
amount.  The issuance of Preferred  Stock could  decrease the amount of earnings
and assets  available  for  distribution  to holders of Common  Stock.  Any such
issuance  could also have the effect of  delaying,  deterring  or  preventing  a
change in control of the Company and may adversely  affect the rights of holders
of Common Stock.

CERTAIN EFFECTS OF AUTHORIZED AND UNISSUED STOCK

            The unissued and  unreserved  shares of capital  stock may be issued
for a variety of proper corporate  purposes,  including future public or private
offerings to raise  additional  capital or facilitate  acquisitions.  One of the
effects of the existence of such unissued and unreserved shares may be to enable
the Company's  Board of Directors to discourage an attempt to change  control of
the Company (by means of a tender offer, proxy contest or otherwise) and thereby
to protect the continuity of the Company's management.

            The issuance of shares of Preferred Stock, whether or not related to
any attempt to effect a change in control,  may  adversely  affect the rights of
the holders of shares of Common Stock.

CERTAIN PROVISIONS OF THE CERTIFICATE OF INCORPORATION AND BYLAWS

            The  Certificate of  Incorporation  provides that no director of the
Company shall be liable to the Company or its  stockholders for monetary damages
for breach of his fiduciary duty as a director, except for liability (i) for any
breach of the  director's  duty of loyalty to the  Company or its  stockholders,
(ii)  for  acts or  omissions  not in good  faith  or that  involve  intentional
misconduct or a knowing  violation of law, (iii) in respect of certain  unlawful
dividend   payments  or  stock  redemptions  or  repurchases  or  (iv)  for  any
transaction from which the director derived an improper  personal  benefit.  The
effect of these  provisions  is to  eliminate  the rights of the Company and its
stockholders (through  stockholders'  derivative suits on behalf of the Company)
to recover monetary damages against a director for breach of fiduciary duty as a
director (including breaches resulting from grossly negligent behavior),  except
in the situations described above. These provisions will not limit the liability
of directors under the federal securities laws of the United States.

            The   Bylaws   require   the   Company   to   indemnify   any  legal
representative,  director  or officer of the Company or any person who is or was
serving at the request of the Company as a director,  officer, employee or agent
of  another  corporation  or of a  partnership,  joint  venture,  trust or other
enterprise,  including  service with respect to employee  benefit plans,  to the
fullest extent authorized by the Delaware General  Corporation Law (the "DGCL").
The Company has  purchased  officer's  and  directors'  liability  insurance for
members of its Board of Directors  and  executive  officers.  In addition to the
indemnification  provided in the Certificate of  Incorporation  and Bylaws,  the
Company has entered into agreements to indemnify its directors and officers.

            The Bylaws  include  advance  notice  procedures  with regard to the
nomination,  other  than by or at the direction  of the Board of  Directors,  of
candidates  for election as directors  and with regard to certain  matters to be
brought before an annual  meeting of  stockholders  of the Company.  In general,
notice  must be  received  by the  Company  not less  than 80 days  prior to the
meeting and must contain certain specified information  concerning the person to
be nominated or the matter to be bought  before the meeting and  concerning  the
stockholder submitting the proposal.

OTHER PROVISIONS

            The Bylaws  provide that directors can be removed only for cause and
only by the  affirmative  vote of holders of at least 67% of the voting power of
all then  outstanding  shares of capital  stock of the Company  entitled to vote
generally for the election of directors (the "Voting  Stock") and that a vacancy
on the Company's Board of Directors,  including a vacancy created by an increase
in the authorized  number of directors,  may be filled only by a majority of the
directors  then in office (and not by the  stockholders  unless no directors are
then in office).  Under the DGCL, if at the time of filling any such vacancy the
directors  then in office  constitute  less than a majority of the entire Board,
the Delaware Court of Chancery may order, upon the application of the holders of
at least 10% of the outstanding  shares of capital stock of the Company entitled
to vote for the election of the directors filling such vacancies, that a meeting
of  stockholders  be held for the  purpose of  electing  directors  to fill such
vacancies  or to  replace  directors  filling  such  vacancies  elected  by  the
Company's Board of Directors.

            In addition,  the  Certificate of  Incorporation  and Bylaws provide
that stockholders are not permitted to call a special meeting of stockholders or
to require the  Company's  Board of Directors or officers to call such a special
meeting,  that only a majority of the entire  Board,  certain  committees of the
Company's  Board of  Directors,  certain  directors  or the  president  or chief
executive  officer  will be able to call  such a  meeting  and that  stockholder
action may be taken only at an annual or a special meeting of  stockholders  and
may not be taken by written consent.

            The  Certificate  of  Incorporation  and  Bylaws  provide  that  the
affirmative  vote of the holders of 67% of the Voting  Stock will be required to
amend,  modify or repeal any provisions of the Certificate of  Incorporation  or
any provision of the Bylaws  discussed  above.  The Certificate of Incorporation
provides that the Company's  Board of Directors,  pursuant to (but only pursuant
to) a  resolution  adopted by the  affirmative  vote of a majority of the entire
Board, will be able to amend, modify or repeal the Bylaws.

            Such provisions are intended to enhance the likelihood of continuity
and stability in the  composition  of the  Company's  Board of Directors and may
have the effect of  delaying,  deterring,  or  preventing  a future  takeover or
change in control of the Company  unless  such  takeover or change in control is
approved by the Company's  Board of Directors.  Such  provisions may also render
the removal of the directors and management more difficult.

DELAWARE ANTI-TAKEOVER LAW


                  The Company is subject to Section  203 of the DGCL  because it
is  a  Delaware   corporation.   Section  203  of  the  DGCL  prohibits  certain
transactions  between a Delaware  corporation  and an "interested  stockholder,"
which is defined as a person who,  together with any affiliates or associates of
such  person,  beneficially  owns,  directly or  indirectly,  15% or more of the
outstanding voting shares of a Delaware  corporation.  This provision  prohibits
certain   business   combinations   (defined   broadly   to   include   mergers,
consolidations,  sales or other dispositions of assets having an aggregate value
in excess of 10% of the  consolidated  assets of the  corporation,  and  certain
transactions  that would  increase the  interested  stockholder's  proportionate
share  ownership in the  corporation)  between an interested  stockholder  and a
corporation  for  a  period  of  three  years  after  the  date  the  interested
stockholder becomes an interested stockholder,  unless (i) prior to the date the
interested   stockholder  becomes  an  interested   stockholder,   the  business
combination or the  transaction by which the  stockholder  becomes an interested
stockholder  is  approved  by the  corporation's  board of  directors,  (ii) the
interested  stockholder  acquired  at  least  85% of  the  voting  stock  of the
corporation  (other  than stock held by  directors  who are also  officers or by
certain  employee  stock  plans)  in the  transaction  in  which  it  became  an
interested  stockholder  or (iii) the  business  combination  is  approved  by a
majority of the board of directors and by the affirmative vote of 66 2/3% of the
outstanding voting stock that is not owned by the interested stockholder.

REGISTRATION RIGHTS

                  Certain  holders of Common  Stock  have  certain  rights  with
respect to the registration of such shares under the Securities Act. Pursuant to
the terms of the Series C Preferred Stock Purchase Agreement,  holders of shares
of Common  Stock  acquired  in  connection  with the  Series C  Preferred  Stock
offering may require the Company, subject to certain conditions and limitations,
to effect a  registration  of all or part of the shares of Common  Stock held by
such persons on an unlimited number of occasions. Also, the holders of shares of
Common Stock acquired in connection  with the Series B Preferred  Stock offering
have certain rights to require the Company,  to effect a registration  of all or
part of the shares of Common  Stock held by such  persons on two  occasions.  At
such time as the Company is  qualified to use a  Registration  Statement on Form
S-3 to register  additional  securities,  the number of  occasions  on which the
holders  of shares of Common  Stock  acquired  in  connection  with the Series B
Preferred  Stock may request  registration  of such shares shall be,  subject to
certain  conditions,  unlimited  in  number.  Additionally,  if at any  time the
Company  proposes to register any of its securities  under the  Securities  Act,
either for its own account or for the account of other security holders, holders
of  shares of  Common  Stock  issued  in  connection  with each of the  Series B
Preferred  Stock  offering and the Series C Preferred  Stock  offering,  Messrs.
Ennis and Nester,  Dr. Duncan and certain other key  employees,  are entitled to
written  notice of such  registration  and to include  therein  shares of Common
Stock held by such holder. The registration rights of all parties are subject to
certain  conditions and limitations,  including the right of the underwriters of
any  offering to limit the number of shares  included in the  registration.  The
Company  generally is required to bear all the fees,  costs and expenses of such
registrations  other than underwriting  discounts and commissions.  See also the
registration   rights  granted  by  the  Company  under  the  June  Subscription
Agreement.

TRANSFER AGENT AND REGISTRAR

                  The  transfer  agent and  registrar  for the  Common  Stock is
Continental  Stock  Transfer & Trust Company,  whose address is 2 Broadway,  New
York, New York 10004.

SHARES ELIGIBLE FOR FUTURE SALE

                  Sales of a  substantial  amount of Common  Stock in the public
market, or the perception that such sales may occur,  could adversely affect the
market  price of the  Common  Stock  prevailing  from time to time in the public
market  and could  impair the  Company's  ability  to raise  additional  capital
through the sale of its equity  securities in the future.  The expiration of the
various Rule 144 periods and/or the filing of any resale registration  statement
with respect to restricted  stock or stock held by affiliates could increase the
chance (or perception) that such sales will occur.

                  In general, under Rule 144 as currently in effect, if one year
has elapsed since the later of the date of acquisition of restricted shares from
the Company or any  "affiliate"  of the Company,  the holder is entitled to sell
within any three-month  period  such number of shares of Common  Stock that does
not exceed the grant  of 1% of the then  outstanding  shares of Common  Stock or
the average  weekly  trading  volume of shares of Common  Stock  during the four
calendar weeks  preceding the date on which notice of the sale is filed with the
Commission. Sales under Rule 44  are also subject to certain restrictions on the
manner of sale,  notice  requirements  and the  availability  of current  public
information  about the  Company.  If two years  have  elapsed  since the  holder
acquired the restricted  shares from the Company or from any  "affiliate" of the
Company,  and the holder is deemed not to have been an  affiliate of the Company
at any time during the 90 days preceding a sale, such person will be entitled to
sell such Common Stock in the public market under Rule 144(k)  without regard to
the  volume   limitations,   manner  of  sale  provisions,   public  information
requirements or notice requirements.

                  The  Company  has  filed a  registration  statement  under the
Securities Act to register shares of Common Stock reserved for issuance under or
issued  pursuant to the Stock Option Plan thereby  permitting the resale of such
shares by  non-affiliates  in the public market  without  restriction  under the
Securities Act.

<PAGE>



                                    EXHIBIT C

                                    PROJECTS

<PAGE>





                                    EXHIBIT C
<TABLE>
<CAPTION>


                            Total Approx.
                            Net Leasehold                                                       Project
                            And Option                                                          Participation
PROJECT                     ACREAGE*              COUNTY, STATE                                 INTEREST
- -------                     -------               -------------                                 --------
<S>                         <C>                   <C>                                             <C> 

Lafitte                      6,204                Brazoria Co., TX                                50.0%
Wild Cow                     1,528                Matagorda Co., TX                               40.0%
Ram Rod                      7,072                Matagorda Co., TX                               40.0%
Hammer                       1,033                Calhoun Co., TX                                 20.0%
Powderhorn                   1,732                Calhoun Co., TX                                 15.0%
Flintlock                    1,205                Calhoun Co., TX                                 20.0%
Rich Ranch                     411                Liberty Co., TX                                 37.5%
Cow Island                   1,750                Liberty Co., TX                                 87.5%
Geronimo                     1,709                San Patricio Co., TX                            22.0%
Geronimo Ext.                2,115                San Patricio Co., TX                            15.0%
Cove 14                         14                Matagorda Co., TX                                7.425%
Cove                           432                Matagorda Co., TX                               30.0%
Gila Bend                       20                Karnes Co., TX                                   6.25%
Corridor                     1,628                Karnes Co., TX                                  25.00%
Thomaston                    2,482                Victoria, DeWitt Co., TX                        11.25%
Matthews                       840                Lavaca & DeWitt Co., TX                         10.00%
Bright Falcon                   63                Jackson Co., TX                                 17.50%
Midfield                       570                Matagorda Co., TX                               25.00%
Tidehaven                      760                Matagorda Co., TX                               17.9375%
El Maton                     1,193                Matagorda Co., TX                               17.9375%
Blessing                        73                Matagorda Co., TX                               11.25%
Nash Dome                      750                Brazoria/Ft. Bend Co., TX                        5.0% backin
Gillock                      3,150                Galveston Co., TX                               15.0%
Smith Point                   6,208               Chambers Co., TX                                7.5%
High Island                     288               Texas Federal Offshore                          5.0%
Hayes                           400               Calcasieu, Ph., La.                            10.0%
Hollywood                        72               Louisiana Federal Offshore                      5.0%
Four Isle Dome                  500               Terrebonne Ph., LA                              5.0%
Raceland                        500               LaFourche Ph., LA                               5.0%
Santa Fe Offshore             2,629               Louisiana Federal Offshore                     10.0%
(Deep Water)
Lipsmacker                    2,033               Clarke Co., MS & Choctaw Co., AL                25.0%
Sunniland                     1,997               Hendry and Collier Co., FL                       8.0%
CI 24                        19,670               Offshore Cote d'Ivoire                          10.0%
CI 202                       16,284               Offshore Cote d'Ivoire                          10.0%
Double Diamond                   16               Lea Co., NM, Gaines Co., TX                     10.0%
Lanell Farms                     12               Gaines Co., TX                                  15.0%


_________________________
*as of December 31, 1997
</TABLE>


         The preceding list represents the Company's  participation interests in
its significant  oil and gas  exploration and production  projects under various
agreements.  The projects  listed herein  consist of various oil and gas leases,
options or other agreements to acquire oil and gas leases and generally  include
certain  rights to 2-D and 3-D seismic data covering all or part of such project
areas.  The Project  Participation  Interest  represents  the Company's  average
working interest relative to its industry  partners for the properties  acquired
within the areas of mutual  interest  established  by the  agreements  with such
partners governing the projects.


<PAGE>
                                                              EXHIBIT 23.1


                    CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

As independent  public  accountants,  we hereby consent to the  incorporation by
reference  of our  report  included  in this  Form  10-K/A,  into the  Company's
previously filed Registration Statement on Form S-8 (File No. 333-30187).


                                                   /s/ Arthur Andersen LLP
                                                     ARTHUR ANDERSEN LLP


October 30, 1998
Houston, Texas


<PAGE>
                                                             EXHIBIT 23.2


                               RYDER SCOTT COMPANY
                               PETROLEUM ENGINEERS
1100 LOUISIANA  SUITE 3800  HOUSTON, TEXAS 77002-5218  TELEPHONE (713)651-9191

                                                           


                   CONSENT OF INDEPENDENT PETROLEUM ENGINEERS


         As independent petroleum engineers, we hereby consent to (a) the use of
our name and  references to our Firm in this  Amendment to Annual Report on Form
10-K of 3DX  Technologies  Inc. for the year ended  December 31, 1997 and (b) to
the inclusion of the estimate of proved reserves and present value of the future
net  revenues  included  in our report  dated  February  9, 1998 in such  Annual
Report.  We further consent to the incorporation by reference of the information
set forth above which is  included in such Annual  Report into the  Registration
Statement on Form S-8, filed June 27, 1997,  (No.  333-30187)  pertaining to the
stock option plan of 3DX Technologies, Inc.

                                                     /s/ Ryder Scott Company
                                                         Petroleum Engineers

                                                     RYDER SCOTT COMPANY
                                                     PETROLEUM ENGINEERS


Houston, Texas
November 2, 1998



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