UNOCAL CORP
10-Q, 1998-08-12
CRUDE PETROLEUM & NATURAL GAS
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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D. C. 20549


                                    FORM 10-Q

        (Mark One)

 [X]  QUARTERLY  REPORT  PURSUANT  TO SECTION 13 OR 15(D) OF THE  SECURITIES
      EXCHANGE ACT OF 1934 For the quarterly  period ended June 30, 1998

                                       OR

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


       For the transition period from               to
                                      --------------  -------------------


                          Commission file number 1-8483

                               UNOCAL CORPORATION
             (Exact name of registrant as specified in its charter)




                 DELAWARE                             95-3825062
         (State or other jurisdiction of           (I.R.S. Employer
          incorporation or organization)            Identification No.)


         2141 ROSECRANS AVENUE, SUITE 4000, EL SEGUNDO, CALIFORNIA 90245
                    (Address of principal executive offices)
                                   (Zip Code)

                                 (310) 726-7600
              (Registrant's Telephone Number, Including Area Code)


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

Number of shares of Common  Stock, $1  par value,  outstanding   as  of July 31,
1998: 241,359,987


<PAGE>
<TABLE>
<CAPTION>
                                                          PART I - FINANCIAL INFORMATION
ITEM 1.  FINANCIAL STATEMENTS.
CONSOLIDATED EARNINGS                                                                                             UNOCAL CORPORATION
(Unaudited)
                                                                                   For the Three Months          For the Six Months
                                                                                       Ended June 30                Ended June 30
                                                                                ----------------------------------------------------
Millions of dollars except per share amounts                                       1998          1997           1998          1997
- ------------------------------------------------------------------------------------------------------------------------------------
Revenues
<S>                                                                              <C>           <C>            <C>           <C>
Sales and operating revenues .............................................       $ 1,226       $ 1,494        $ 2,397       $ 2,902
Gain on sales of assets and other revenues ...............................           171           160            207           208
- ------------------------------------------------------------------------------------------------------------------------------------
     Total revenues .....................................................          1,397         1,654          2,604         3,110
Costs and other deductions
Crude oil and product purchases ..........................................           515           633            931         1,092
Operating expense ........................................................           358           365            689           653
Selling, administrative and general expense ..............................            15            27             35            55
Depreciation, depletion and amortization .................................           199           244            380           455
Dry hole costs ...........................................................            42            27             92            43
Exploration expense ......................................................            39            36             86            64
Interest expense .........................................................            42            49             83           110
Property and other operating taxes .......................................            15            16             31            36
Distributions on convertible preferred
   securities of subsidiary trust ........................................             8             8             16            16
- ------------------------------------------------------------------------------------------------------------------------------------
      Total costs and other deductions ...................................         1,233         1,405          2,343         2,524
- ------------------------------------------------------------------------------------------------------------------------------------
Earnings from continuing operations
   before income taxes ...................................................           164           249            261           586
Income taxes .............................................................            59            93            138           242
- ------------------------------------------------------------------------------------------------------------------------------------
Earnings from continuing operations
   before discontinued operations  and extraordinary item ................       $   105       $   156        $   123       $   344
Discontinued operations
   Loss on disposal (net of tax) .........................................            --            --             --           (44)
Extraordinary item
   Early extinguishment of debt (net of tax) .............................            --           (38)            --           (38)
- ------------------------------------------------------------------------------------------------------------------------------------
      Net earnings applicable to common stock ............................       $   105       $   118        $   123       $   262
                                                                                ====================================================
Basic earnings per share of common stock (a)
   Continuing operations .............................................           $  0.43       $  0.62        $  0.51       $  1.38
   Discontinued operations ...........................................                --            --             --         (0.18)
   Extraordinary item ................................................                --         (0.15)            --         (0.15)
                                                                                ----------------------------------------------------
   Net earnings ......................................................           $  0.43       $  0.47        $  0.51       $  1.05
                                                                                ----------------------------------------------------
Diluted earnings per share of common stock (b)(c)
   Continuing operations .............................................           $  0.43       $  0.61        $  0.50       $  1.35
   Discontinued operations ...........................................                --            --             --         (0.17)
   Extraordinary item ................................................                --         (0.14)            --         (0.14)
                                                                                ----------------------------------------------------
   Net earnings ......................................................           $  0.43       $  0.47        $  0.50       $  1.04
                                                                                ----------------------------------------------------

Cash dividends declared per share of common stock ....................           $  0.20       $  0.20        $  0.40       $  0.40
                                                                                ----------------------------------------------------
(a)  Basic weighted average shares outstanding  (in thousands) .......           241,362       249,583        241,396       250,047
(b)  Diluted weighted average shares outstanding (in thousands) ......           242,707       263,673        242,610       264,076
(c)  Distributions on preferred securities (net of tax) excluded in numerator.   $    --       $     6        $    --       $    12
     In 1998, the effect of assumed conversion of preferred securities on
     earnings per share is antidilutive.

               See notes to the consolidated financial statements.
</TABLE>

                                 1
<PAGE>
<TABLE>
<CAPTION>
CONSOLIDATED BALANCE SHEET                                               UNOCAL CORPORATION

                                                                        June 30 December 31
                                                                      ---------------------
Millions of dollars                                                      1998(a)     1997
- -------------------------------------------------------------------------------------------
Assets
Current assets
<S>                                                                   <C>         <C>
   Cash and cash equivalents ......................................   $    193    $    338
   Accounts and notes receivable ..................................        839         897
   Inventories ....................................................        148         172
   Deferred income taxes ..........................................         54          71
   Other current assets ...........................................         26          23
- ------------------------------------------------------------------------------------------
      Total current assets ........................................      1,260       1,501
Investments and long-term receivables .............................      1,340       1,113
Properties (b) ....................................................      4,952       4,816
Deferred income taxes .............................................         40           7
Other assets ......................................................        158          93
- ------------------------------------------------------------------------------------------
      Total assets ................................................   $  7,750    $  7,530
- ------------------------------------------------------------------------------------------
Liabilities and Stockholders' Equity
Current liabilities
   Accounts payable ...............................................   $    651    $    785
   Taxes payable ..................................................         89         126
   Interest payable ...............................................         55          54
   Current portion of environmental liabilities ...................        100         100
   Other current liabilities ......................................         79          95
- ------------------------------------------------------------------------------------------
      Total current liabilities ...................................        974       1,160
Long-term debt ....................................................      2,480       2,169
Deferred income taxes .............................................        172         137
Accrued abandonment, restoration and environmental liabilities ....        641         627
Other deferred credits and liabilities ............................        661         601
Company-obligated mandatorily redeemable convertible
   preferred securities of a subsidiary trust holding solely 6-1/4%
   convertible junior subordinated debentures of Unocal ...........        522         522
Common stock ($1 par value) .......................................        252         252
Capital in excess of par value ....................................        456         452
Foreign currency translation adjustment ...........................        (18)        (18)
Unearned portion of restricted stock issued .......................        (29)        (31)
Retained earnings .................................................      2,049       2,021
Treasury stock - at cost  (c) .....................................       (410)       (362)
- ------------------------------------------------------------------------------------------
      Total stockholders' equity ..................................      2,300       2,314
- ------------------------------------------------------------------------------------------
         Total liabilities and stockholders' equity ...............   $  7,750    $  7,530
- ------------------------------------------------------------------------------------------
(a)  Unaudited
(b)  Net of accumulated depreciation: .............................   $ 10,022    $  9,896
(c)  Number of shares (in thousands): .............................     10,623       9,262

               See notes to the consolidated financial statements
</TABLE>

                                      2
<PAGE>
<TABLE>
<CAPTION>
CONSOLIDATED CASH FLOWS                                                             UNOCAL CORPORATION
(Unaudited)

                                                                                   For the Six Months
                                                                                      Ended June 30
                                                                                  --------------------
Millions of dollars                                                                   1998      1997
- ------------------------------------------------------------------------------------------------------

Cash Flows from Operating Activities
<S>                                                                                <C>        <C>
Net earnings ...................................................................   $   123    $   262
Adjustments to reconcile net earnings to
   net cash provided by operating activities
      Loss on disposal of discontinued operations (before-tax) .................        --         71
      Depreciation, depletion and amortization .................................       380        455
      Dry hole costs ...........................................................        92         43
      Deferred income taxes ....................................................        30         29
      Gain on sales of assets (before-tax) .....................................       (92)       (61)
      Other ....................................................................        27       (158)
      Working capital and other changes related to operations
         Accounts and notes receivable .........................................        61        206
         Inventories ...........................................................        24        (25)
         Accounts payable ......................................................      (139)      (360)
         Taxes payable .........................................................       (37)      (134)
         Other .................................................................       (72)       109
- ------------------------------------------------------------------------------------------------------
            Net cash provided by operating activities ..........................       397        437

Cash Flows from Investing Activities
   Capital expenditures (includes dry hole costs) ..............................      (766)      (645)
   Proceeds from sale of discontinued operations ...............................        --      1,786
   Proceeds from sales of assets ...............................................        34         48
- ------------------------------------------------------------------------------------------------------
            Net cash provided by (used in) investing activities ................      (732)     1,189

Cash Flows from Financing Activities
   Long-term borrowings ........................................................       657        360
   Reduction of long-term debt .................................................      (316)    (1,078)
   Dividends paid on common stock ..............................................       (97)      (100)
   Repurchases of common stock .................................................       (48)       (92)
   Other .......................................................................        (6)       (49)
- ------------------------------------------------------------------------------------------------------
         Net cash provided by (used in) financing activities ...................       190       (959)

Increase (decrease) in cash and cash equivalents ...............................      (145)       667
Cash and cash equivalents at beginning of year .................................       338        217
- ------------------------------------------------------------------------------------------------------
Cash and cash equivalents at end of period .....................................   $   193    $   884
- ------------------------------------------------------------------------------------------------------

Supplemental  disclosure of cash flow  information:  Cash paid during the period
   for:
      Interest (net of amount capitalized) .....................................   $    84    $   176
      Income taxes (net of refunds) ............................................   $   142    $   227

               See notes to the consolidated financial statements.
</TABLE>

                                       3
<PAGE>
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
(Unaudited)

(1)  The consolidated financial statements included herein are unaudited and, in
     the opinion of  management,  include all  adjustments  necessary for a fair
     presentation  of  financial   position  and  results  of  operations.   All
     adjustments are of a normal recurring nature. Such financial statements are
     presented in  accordance  with the  Securities  and  Exchange  Commission's
     (Commission) disclosure requirements for Form 10-Q.

     These  interim   consolidated   financial  statements  should  be  read  in
     conjunction  with  the  Consolidated  financial  statements  and the  Notes
     thereto  filed with the  Commission  in Unocal  Corporation's  1997  Annual
     Report on Form 10-K.

     Results  for the six  months  ended  June  30,  1998,  are not  necessarily
     indicative of future financial results.

     Certain items in the prior year financial statements have been reclassified
     to conform to the 1998 presentation.

(2)  For the  purpose  of  this  report,  Unocal  Corporation  (Unocal)  and its
     consolidated subsidiaries, including Union Oil Company of California (Union
     Oil), will be referred to as the company.

(3)  Other Financial Information

     Sales and operating revenues are principally derived from the sale of crude
     oil, natural gas, natural gas liquids, geothermal steam, specialty minerals
     and nitrogen-based  agricultural  products produced by the company.  During
     the second  quarters  of 1998 and 1997,  approximately  33  percent  and 24
     percent,   respectively,   of  total  sales  and  operating  revenues  were
     attributed  to the resale of purchased  crude oil,  natural gas and natural
     gas liquids  produced by others,  that the company  purchased in connection
     with its trading and  marketing  activities.  For the six months ended June
     30, 1998 and 1997,  the  percentage of total sales and  operating  revenues
     attributed  to the resale of purchased  crude oil,  natural gas and natural
     gas liquids produced by others was approximately 32 percent and 28 percent,
     respectively. Related purchase costs are classified as expense in the crude
     oil and product purchases category of the consolidated earnings statement.

     Capitalized  interest  totaled $9 million  and $11  million  for the second
     quarters  of 1998 and  1997,  respectively.  Capitalized  interest  was $17
     million  and $16  million  for the  first  six  months  of 1998  and  1997,
     respectively.

 (4) Income Taxes

     Taxes on earnings from  continuing  operations  for the second  quarter and
     first six months of 1998 were $59 million and $138  million,  respectively,
     compared  with $93 million and $242 million for the  comparable  periods in
     1997.  The  effective  income  tax rate for the  first  six  months of 1998
     increased  to 53  percent  from 41 percent in the first six months of 1997.
     The  increase in the  effective  tax rate for 1998 was  primarily  due to a
     higher foreign-versus-domestic  earnings mix and tax adjustments related to
     the appreciation of the Thai baht.

(5)  Comprehensive Income

     Effective  for the  first  quarter  1998,  the  company  adopted  Financial
     Accounting  Standard  No.  130,  "Reporting  Comprehensive  Income",  which
     establishes standards for reporting and displaying comprehensive income and
     its  components  in a  full  set of  financial  statements.  The  company's
     comprehensive earnings were as follows:

<TABLE>
<CAPTION>
                                                                                       For the Three Months      For the Six Months
                                                                                           Ended June 30            Ended June 30
                                                                                 ---------------------------------------------------
Millions of dollars                                                                     1998          1997       1998         1997
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                                                                                    <C>           <C>         <C>          <C>
Net earnings ..................................................................        $ 105         $ 118       $ 123        $ 262
Change in equity due to foreign currency translation adjustments ..............           (1)            1          --           --
- ------------------------------------------------------------------------------------------------------------------------------------
      Comprehensive earnings ..................................................        $ 104         $ 119       $ 123        $ 262
- ------------------------------------------------------------------------------------------------------------------------------------
</TABLE>

                                       4
<PAGE>
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
(Unaudited)

(6)  Earnings Per Share

     The following are reconciliations of the numerators and denominators of the
     basic and diluted  earnings per share (EPS)  computations for earnings from
     continuing operations for the second quarters and the six months ended June
     30, 1998 and 1997:

<TABLE>
<CAPTION>
                                                                                           Earnings             Shares     Per Share
Millions except per share amounts                                                         (Numerator)       (Denominator)    Amount
- ------------------------------------------------------------------------------------------------------------------------------------
Three Months ended June 30, 1998
<S>                                                                                         <C>                 <C>         <C>
      Earnings from continuing operations ......................................            $105                241.4
         Basic EPS .............................................................                                            $   0.43
                                                                                                                               =====
      Effect of Dilutive Securities
         Options/common stock equivalents ......................................                                  1.3
                                                                                            -------------------------
         Diluted EPS ...........................................................             105                242.7       $   0.43
                                                                                                                               =====
         Distributions on preferred securities (after-tax) .....................               6                 12.3
                                                                                            -------------------------
         Antidilutive ..........................................................            $111                255.0       $   0.44
Three Months ended June 30, 1997
      Earnings from continuing operations ......................................            $156                249.6
         Basic EPS .............................................................                                            $   0.62
                                                                                                                               =====
      Effect of Dilutive Securities
         Options/common stock equivalents ......................................                                  1.8
                                                                                            -------------------------
                                                                                             156                251.4       $   0.62
         Distributions on preferred securities (after-tax) .....................               6                 12.3
                                                                                            -------------------------
         Diluted EPS ...........................................................            $162                263.7       $   0.61
                                                                                                                               =====

Six Months ended June 30, 1998
      Earnings from continuing operations ......................................            $123                241.4
         Basic EPS .............................................................                                            $   0.51
                                                                                                                               =====
      Effect of Dilutive Securities
         Options/common stock equivalents ......................................                                  1.2
                                                                                            -------------------------
         Diluted EPS ...........................................................             123                242.6       $   0.50
                                                                                                                               =====
         Distributions on preferred securities (after-tax) .....................              12                 12.3
                                                                                            -------------------------
         Antidilutive ..........................................................            $135                254.9       $   0.53

Six Months ended June 30, 1997
      Earnings from continuing operations ......................................            $344                250.0
         Basic EPS .............................................................                                            $   1.38
                                                                                                                               =====
      Effect of Dilutive Securities
         Options/common stock equivalents ......................................                                  1.8
                                                                                            -------------------------
                                                                                             344                251.8       $   1.37
         Distributions on preferred securities (after-tax) .....................              12                 12.3
                                                                                            -------------------------
         Diluted EPS ...........................................................            $356                264.1       $   1.35
                                                                                                                               =====

</TABLE>

                                       5
<PAGE>
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
(Unaudited)

     Not included in the computation of diluted EPS were options  outstanding at
     June 30, 1998 to purchase approximately 5.4 million shares of common stock.
     These options were not included in the  computation as the exercise  prices
     were  greater  than the year to date  average  market  price of the  common
     shares.  The exercise  prices of these  options range from $37.69 to $51.01
     per share. The options will expire in 2008.

(7)  Long Term Debt and Credit Agreements

     Financing  activities  during  the  second  quarter  of 1998  included  the
     issuance of $100  million in 6 1/2% notes due May 1, 2008 and $200  million
     in 7% debentures due May 1, 2028.  The proceeds of the new borrowings  were
     primarily  used to refinance  scheduled  long-term  debt  maturities  which
     included  $73  million  in  medium-term  notes and $110  million  in 6 1/8%
     Deutsche Mark bonds including a corresponding  currency swap agreement.  In
     addition,  the company  reduced  outstanding  commercial  paper  borrowings
     during the second  quarter by $38  million to a balance of $456  million at
     June 30, 1998.

     On July 2, 1998,  the  company  filed a new $1.2  billion  universal  shelf
     registration  statement with the Securities and Exchange  Commission  which
     was  declared  effective on July 15,  1998.  The  unissued  balance of $239
     million of securities under the prior shelf registration statement is being
     combined with those under the new shelf registration statement.  The $1.439
     billion total will be dedicated initially to the company's medium-term note
     program,  but may be  used  for  the  issuance  of  other  debt  or  equity
     securities.

(8)  Accrued Abandonment, Restoration and Environmental Liabilities

     At June 30, 1998,  the company had accrued  $448 million for the  estimated
     future costs to abandon and remove  wells and  production  facilities.  The
     total  costs  for   abandonments  are   predominately   accrued  for  on  a
     units-of-production  basis  and  are  estimated  to be  approximately  $629
     million.  This  estimate  was derived in large part from  abandonment  cost
     studies  performed  by an  independent  firm and is used to  calculate  the
     amount to be amortized. The company's reserve for environmental remediation
     obligations  at June 30, 1998 totaled $293  million,  of which $100 million
     was included in current liabilities.

(9)  Contingent Liabilities

     The company has certain  contingent  liabilities  with  respect to material
     existing or potential  claims,  lawsuits and other  proceedings,  including
     those involving environmental,  tax and other matters, certain of which are
     discussed more specifically  below. The company accrues liabilities when it
     is  probable  that  future  costs  will be  incurred  and such costs can be
     reasonably estimated.  Such accruals are based on developments to date, the
     company's  estimates of the outcomes of these matters and its experience in
     contesting,  litigating  and settling  other  matters.  As the scope of the
     liabilities becomes better defined,  there will be changes in the estimates
     of future costs, which could have a material effect on the company's future
     results of operations and financial condition or liquidity.

     Environmental  matters  - The  company  is  subject  to loss  contingencies
     pursuant to federal,  state and local  environmental  laws and regulations.
     These include  existing and possible future  obligations to investigate the
     effects of the  release or  disposal  of certain  petroleum,  chemical  and
     mineral  substances at various sites;  to remediate or restore these sites;
     to  compensate  others for damage to property  and natural  resources;  for
     remediation and  restoration  costs and for personal  injuries;  and to pay
     civil  penalties  and,  in some  cases,  criminal  penalties  and  punitive
     damages.  These obligations  relate to sites owned by the company or others
     and are associated  with past and present  operations,  including  sites at
     which the company has been  identified as a potentially  responsible  party
     (PRP)  under  the  federal   Superfund  laws  and  comparable  state  laws.
     Liabilities  are  accrued  when it is probable  that  future  costs will be
     incurred  and such  costs can be  reasonably  estimated.  However,  in many
     cases,  investigations  are not yet at a stage where the company is able to
     determine  whether it is liable or, if liability  is probable,  to quantify
     the liability or estimate a range of possible exposure.  In such cases, the
     amounts  of  the  company's   liabilities  are  indeterminate  due  to  the
     potentially  large number of claimants for any given site or exposure,  the
     unknown magnitude of possible contamination,  the imprecise and conflicting
     engineering evaluations and estimates of proper clean-up methods and costs,
     the  unknown  timing  and  extent  of the  corrective  actions  that may be
     required,  the  uncertainty  attendant  to the  possible  award of punitive
     damages,  the recent  judicial  recognition  of new  causes of action,  the
     present  state of the law,  which  often  imposes  joint  and  several  and
     retroactive  liabilities  on PRPs, and the fact that the company is usually
     just one of a number of companies identified as a PRP.

                                       6
<PAGE>
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
(Unaudited)

     As  disclosed  in note 8, at June 30,  1998,  the company had accrued  $293
     million for estimated future environmental assessment and remediation costs
     at various sites where  liabilities  for such costs are probable.  At those
     sites where  investigations  or  feasibility  studies have  advanced to the
     stage of analyzing  feasible  alternative  remedies and/or ranges of costs,
     the company  estimates  that it could incur  additional  remediation  costs
     aggregating approximately $220 million.

     Tax matters - In December 1994,  the company  received a Notice of Proposed
     Deficiency  (Notice) from the Internal Revenue Service (IRS) related to the
     years 1985  through  1987. A material  amount of tax and interest  would be
     payable  if the IRS were  ultimately  able to  prevail  on the  significant
     issues  described  in the Notice.  In February  1995,  the company  filed a
     protest of the proposed tax deficiency with the Appeals section of the IRS.
     Discussions  with the  Appeals  Officer  are  complete,  and it now appears
     unlikely  that any  issues  raised in the  Notice  will  proceed  to either
     litigation  or  mediation as a settlement  has been  reached.  The proposed
     settlement  was  received  by the Joint  Committee  on Taxation of the U.S.
     Congress in June,  1998, and requires their  approval.  The company expects
     this matter to be concluded in 1998 and believes it is ultimately  entitled
     to a refund for  overpayment  of tax or interest for all open taxable years
     preceding 1988.

     The company  believes it has  adequately  provided in its  accounts for tax
     items and issues not yet resolved.

     Other  matters - In  February  1996,  Bridas  Corporation  filed a petition
     against the company and others in the  District  Court of Fort Bend County,
     Texas,  alleging  that  the  defendants  conspired  to and  did  tortiously
     interfere  with Bridas'  rights under  agreements  with the  government  of
     Turkmenistan  to develop the Yashlar  Field and to transport  gas from that
     field to Pakistan. The petition also alleges that the defendants interfered
     with Bridas'  exclusive right to lay a gas pipeline in Afghanistan.  Bridas
     seeks actual damages as well as punitive  damages,  plus interest.  Bridas'
     expert  witnesses  have stated in pre-trial  discovery  that Bridas'  total
     actual damages for loss of future profits are  approximately  $1.7 billion.
     In the  alternative,  Bridas is expected to seek an award of  approximately
     $430 million with respect to its total  expenditures in  Turkmenistan.  The
     company  believes the  assertions  made by Bridas are without  merit and is
     vigorously defending the lawsuit.

     The company also has certain other  liabilities with respect to litigation,
     claims  and  contractual  agreements  arising  in the  ordinary  course  of
     business.   Although  these  contingencies  could  result  in  expenses  or
     judgments that could be material to the company's results of operations for
     a given reporting  period,  on the basis of management's best assessment of
     the ultimate amount and timing of these events,  such expenses or judgments
     are not  expected  to  have a  material  adverse  effect  on the  company's
     consolidated financial condition or liquidity.

                                       7
<PAGE>
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
(Unaudited)

(10) Unocal guarantees  certain  indebtedness of Union Oil.  Summarized below is
     financial information for Union Oil and its consolidated subsidiaries:

<TABLE>
<CAPTION>
Summarized Financial Data of Union Oil

                                                                       For the Three Months                   For the Six Months
                                                                          Ended June 30                          Ended June 30
                                                                     ---------------------------------------------------------------
Millions of dollars                                                   1998               1997              1998               1997
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                                                                  <C>               <C>                <C>               <C>
Total revenues ...........................................           $ 1,397           $1,655             $ 2,604           $  3,110
Total costs and other deductions
   (including income taxes) ..............................             1,286            1,493               2,470             2,755
- ------------------------------------------------------------------------------------------------------------------------------------
Earnings from continuing operations ......................               111              162                 134               355
Discontinued operations
   Loss on disposal (a) ..................................                --               --                  --               (44)
Extraordinary item
   Early extinguishment of debt (b) ......................                --              (38)                 --               (38)
- ------------------------------------------------------------------------------------------------------------------------------------
Net earnings .............................................           $   111           $  124             $   134           $   273
- ------------------------------------------------------------------------------------------------------------------------------------
(a)  Net of tax benefit of: ..............................           $    --           $   --             $    --           $   (27)
(b)  Net of tax benefit of: ..............................           $    --           $  (14)            $    --           $   (14)

</TABLE>

<TABLE>
<CAPTION>

                                                                                               At June 30         At December 31 (c)
                                                                                              --------------------------------------
Millions of dollars                                                                              1998                         1997
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                                                                                              <C>                          <C>
Current assets ...........................................................                       $1,260                       $1,576
Noncurrent assets ........................................................                        6,514                        6,053
Current liabilities ......................................................                          980                        1,124
Noncurrent liabilities ...................................................                        3,954                        3,534
Shareholder's equity .....................................................                        2,840                        2,971
- ------------------------------------------------------------------------------------------------------------------------------------
(c)  Audited
</TABLE>

                                       8
<PAGE>
<TABLE>
<CAPTION>
OPERATING HIGHLIGHTS                                                                                              UNOCAL CORPORATION
(Unaudited)


                                                                                For the Three Months            For the Six Months
                                                                                   Ended June 30                  Ended June 30
                                                                               -----------------------------------------------------
                                                                                1998            1997            1998            1997
- ------------------------------------------------------------------------------------------------------------------------------------
NET DAILY PRODUCTION
   Crude oil and condensate (thousand barrels daily)
      United States
<S>                                                                            <C>             <C>             <C>             <C>
         Spirit Energy 76 ..........................................              44              46              44              47
         Alaska ....................................................              29              31              30              32
                                                                               -----------------------------------------------------
           Total United States .....................................              73              77              74              79
      International
         Far East (a) ..............................................              80              95              84              94
         Other (b) .................................................              32              27              32              27
                                                                               -----------------------------------------------------
           Total International .....................................             112             122             116             121
      Worldwide ....................................................             185             199             190             200
                                                                               -----------------------------------------------------

   Natural gas (million cubic feet daily)
      United States
         Spirit Energy 76 ..........................................             795             874             784             892
         Alaska ....................................................             121             127             130             141
                                                                               -----------------------------------------------------
           Total United States .....................................             916           1,001             914           1,033
      International
         Far East (a) ..............................................             830             774             828             789
         Other (b) .................................................              67              63              60              66
                                                                               -----------------------------------------------------
           Total International .....................................             897             837             888             855
      Worldwide ....................................................           1,813           1,838           1,802           1,888
                                                                               -----------------------------------------------------

   Natural gas liquids (thousand barrels daily) ....................              20              19              19              19
   Geothermal (million kilowatt-hours daily) .......................              18              17              20              17

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

(a) Includes host country share of:
      Crude oil and condensate .....................................               8              30              13              30
      Natural gas ..................................................              22              25              27              29

(b) Includes production of Canada equity affiliate
</TABLE>

                                       9
<PAGE>
<TABLE>
<CAPTION>
OPERATING HIGHLIGHTS (continued)
(Unaudited)


                                                                                     For the Three Months     For the Six Months
                                                                                         Ended June 30           Ended June 30
                                                                                   -------------------------------------------------
                                                                                       1998         1997         1998        1997
- ------------------------------------------------------------------------------------------------------------------------------------
AVERAGE SALES PRICES (a)
   Crude oil and condensate (per barrel)
      United States
<S>                                                                                <C>          <C>          <C>          <C>
         Spirit Energy 76 ......................................................   $    13.04   $    17.77   $    13.50   $    19.30
         Alaska ................................................................         8.83        14.23         9.84        16.45
           Total United States .................................................        11.35        16.36        12.01        18.15
      International
         Far East ..............................................................   $    12.85   $    17.97   $    13.42   $    19.41
         Other .................................................................        10.31        16.11        11.34        18.01
           Total International .................................................        12.14        17.44        12.84        19.01
      Worldwide ................................................................   $    11.80   $    16.96   $    12.49   $    18.61
- ------------------------------------------------------------------------------------------------------------------------------------
   Natural gas (per thousand cubic feet)
      United States
         Spirit Energy 76 ......................................................   $     2.15   $     1.98   $     2.15   $     2.39
         Alaska ................................................................         1.48         1.35         1.47         1.35
           Total United States .................................................         2.06         1.89         2.05         2.25
      International
         Far East ..............................................................   $     2.04   $     2.25   $     2.03   $     2.33
         Other .................................................................         2.46         2.08         2.24         2.16
           Total International .................................................         2.05         2.24         2.04         2.31
      Worldwide ................................................................   $     2.05   $     2.05   $     2.05   $     2.28
- ------------------------------------------------------------------------------------------------------------------------------------
AGRICULTURAL PRODUCTS PRODUCTION VOLUMES
(thousand tons)
   Ammonia .....................................................................          390          367          764          758
   Urea ........................................................................          245          233          505          508

AGRICULTURAL PRODUCTS SALES VOLUMES (thousand tons)
   Ammonia .....................................................................          243          247          463          403
   Urea ........................................................................          270          289          595          499
(a)  Excludes Global Trade margins and Canada equity affiliate sales
</TABLE>

                                       10
<PAGE>
ITEM 2.  MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
OF OPERATIONS.

The following  discussion and analysis of the financial condition and results of
operations  of  Unocal  should  be  read  in  conjunction   with  the  company's
Management,  Discussion and Analysis in Item 7 of the 1997 Annual Report on Form
10-K.  Unless  otherwise  specified,  the following  discussion  pertains to the
company's continuing operations.

CONSOLIDATED RESULTS
<TABLE>
<CAPTION>
                                                                                    For the Three Months         For the Six Months
                                                                                        Ended June 30               Ended June 30
                                                                                   ---------------------        --------------------
Millions of dollars                                                                  1998          1997          1998           1997
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                                                                                 <C>           <C>           <C>           <C>
After-tax earnings from continuing operations ..............................        $ 105         $ 156         $ 123         $ 344
Special items (net of tax):
    Environmental and litigation provisions ................................          (28)           (5)          (61)          (14)
    Asset sales ............................................................           53            25            53            32
    Deferred tax adjustment ................................................            7             7           (14)            7
    UNO-VEN restructuring ..................................................           --            39            --            39
    Insurance settlement ...................................................           11            --            11            --
    Bangladesh well blowout ................................................           --            (7)           --            (7)
- ------------------------------------------------------------------------------------------------------------------------------------
   Total special items .....................................................           43            59           (11)           57
- ------------------------------------------------------------------------------------------------------------------------------------
   Adjusted after-tax earnings from continuing operations ..................           62            97           134           287
Net loss on disposal of discontinued operations ............................           --            --            --           (44)
Special item:  discontinued operations .....................................           --            --            --           (44)
- ------------------------------------------------------------------------------------------------------------------------------------
   Adjusted after-tax loss from discontinued operations ....................           --            --            --            --
- ------------------------------------------------------------------------------------------------------------------------------------
Extraordinary item - early extinguishment of debt ..........................           --           (38)           --           (38)
Special item:  extinguishment of debt ......................................           --           (38)           --           (38)
- ------------------------------------------------------------------------------------------------------------------------------------
   Adjusted after-tax loss from extraordinary item .........................           --            --            --            --
- ------------------------------------------------------------------------------------------------------------------------------------
      Adjusted after-tax earnings ..........................................        $  62         $  97         $ 134         $ 287
- ------------------------------------------------------------------------------------------------------------------------------------
</TABLE>

The company's second quarter 1998 adjusted  earnings from continuing  operations
decreased 36 percent from the same period last year.  The lower  earnings  level
was  principally  attributable  to lower  domestic and  international  crude oil
prices,  lower  international  natural gas prices,  lower  agricultural  product
prices and higher domestic dry hole costs.  Partially  offsetting these negative
factors were higher domestic  natural gas prices,  lower worldwide  depreciation
expense,  increased  geothermal  power  generation  and  increased  natural  gas
production in the Far East.

The company's  adjusted  earnings from  continuing  operations for the first six
months of 1998  decreased 53 percent  from the same period last year.  The major
factors contributing to the decline were lower prices for crude oil, natural gas
and agricultural products,  lower domestic crude oil and natural gas production,
increased  domestic  dry hole  costs,  foreign  exchange  losses  and  increased
exploration expense in the Far East. Partially offsetting these negative factors
were increased  crude oil sales and increased  natural gas production in the Far
East,  increased  geothermal  power  generation,  lower  worldwide  depreciation
expense,  lower  interest  expense  and higher  earnings  and  dividends  from a
petroleum industry mutual insurance company.

EXPLORATION AND PRODUCTION

Exploration and Production involves the  exploration for and production of crude
oil and natural gas.

United States - Included in the United  States category are Spirit Energy 76 and
Alaska oil and gas  operations.  Spirit Energy 76 is responsible for oil and gas
operations  in the Lower 48  United  States  with  emphasis  on the Gulf  Coast,
deepwater  areas in the Gulf of Mexico and the Permian  Basis in West  Texas.  A
substantial  portion of crude oil and natural gas produced  domestically is sold
to the company's  Global Trade group.  The  remainder is sold under  contract to
third  parties,  sold in the spot  market or, in the case of Alaska  natural gas
production, sold to the company's agricultural products operations.

                                       11
<PAGE>
ITEM 2.  MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
OF OPERATIONS (CONTINUED)

<TABLE>
<CAPTION>
                                                                            For the Three Months                For the Six Months
                                                                               Ended June 30                       Ended June 30
                                                                          -----------------------             ----------------------
Millions of dollars                                                        1998              1997              1998             1997
- ------------------------------------------------------------------------------------------------------------------------------------
After-tax earnings:
<S>                                                                       <C>               <C>               <C>               <C>
   Spirit Energy 76 ........................................              $ 15              $ 33              $ 25             $128
   Alaska ..................................................                 1                11                13               32
- ------------------------------------------------------------------------------------------------------------------------------------
   Total ...................................................                16                44                38              160
Special items:
   Spirit Energy 76 asset sales ............................                --                --                --                2
- ------------------------------------------------------------------------------------------------------------------------------------
Adjusted after-tax earnings ................................              $ 16              $ 44              $ 38             $158
- ------------------------------------------------------------------------------------------------------------------------------------
</TABLE>

Adjusted  after-tax  earnings  in the  second  quarter of 1998  decreased  by 64
percent  compared to the second  quarter of 1997.  The  primary  reason for this
decrease  was  lower  crude  oil  prices;  average  sales  prices  for crude oil
decreased by $5.01 per barrel, or 31 percent.  Also contributing to the decrease
in after-tax  adjusted earnings was a natural  production decline in natural gas
of 8  percent  and  increased  dry  hole  expenses  as  a  result  of  increased
exploratory  drilling  activity in the Gulf of Mexico.  However,  these negative
factors  were  mitigated  by a 9 percent  increase in average  natural gas sales
prices and lower depreciation expense for Spirit Energy 76.

Adjusted  after-tax  earnings  in the first six months of 1998  decreased  by 76
percent  compared  to the  first  six  months  of 1997,  primarily  due to lower
commodity  prices.  The average sales price for crude oil decreased by $6.14 per
barrel,  or 34 percent,  and the average sales price of natural gas decreased by
$.20 per thousand cubic feet (mcf),  or 9 percent.  Additionally,  crude oil and
natural gas production declined by 6 percent and 12 percent,  respectively,  due
principally to natural  production  declines, and dry hole expenses increased by
$37 million as a result of increased  exploratory  drilling activity in the Gulf
of Mexico.  Partially  offsetting  these  negative  factors  were  decreases  in
depreciation and cash expenses.

International - The company's  international  operations  include  the company's
foreign  exploration  and  production  activities  and  exploration   activities
performed by the company's New Ventures group.

<TABLE>
<CAPTION>
                                                                           For the Three Months                 For the Six Months
                                                                               Ended June 30                      Ended June 30
                                                                          -----------------------             ----------------------
Millions of dollars                                                        1998              1997              1998            1997
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                                                                       <C>               <C>               <C>               <C>
After-tax earnings ......................................                 $103              $ 28              $116             $130
Special items:
     Asset sales ........................................                   53               (17)               53              (16)
     Deferred tax adjustment ............................                    7                --               (14)              --
     Bangladesh well blowout ............................                   --                (7)               --               (7)
- ------------------------------------------------------------------------------------------------------------------------------------
         Total special items ............................                   60               (24)               39              (23)
- ------------------------------------------------------------------------------------------------------------------------------------
Adjusted after-tax earnings .............................                 $ 43              $ 52              $ 77            $ 153
- ------------------------------------------------------------------------------------------------------------------------------------
</TABLE>

During the second quarter of 1998,  international  adjusted  after-tax  earnings
decreased  compared  with 1997  results  primarily  due to  substantially  lower
average  sales  prices for crude oil and natural gas.  Compared  with the second
quarter of 1997,  total  international  crude oil and  condensate  average sales
prices  decreased 30 percent to $12.14 per barrel and natural gas average  sales
prices  decreased  by 8 percent  to $2.05 per mcf.  Partially  offsetting  these
negative  factors were higher natural gas production in Thailand,  lower current
taxes in  Thailand  and lower dry hole  expense  due to an $11  million dry hole
charge in 1997 for an exploratory well located offshore Brunei.

During the first six months of 1998,  international  adjusted after-tax earnings
decreased  compared  with 1997  results  primarily  due to  substantially  lower
average sales prices for crude oil and natural gas.  International crude oil and
condensate  average sales prices decreased 32 percent to $12.84 per barrel while
the natural gas average sales prices  decreased 12 percent to $2.04 per mcf over
the same period last year. Foreign exchange losses in Thailand and Indonesia and
increased  exploration  expenses also  contributed  to the  decrease.  Partially
offsetting   these  negative  factors  were  increased  crude  oil  liftings  in
Indonesia, higher natural gas production in Thailand and lower dry hole costs.

In April 1998,  the  company  received  stock and debt of  Tarragon  Oil and Gas
Limited  valued at  approximately  $212 million for the exchange of its Alberta,
Canada exploration and production assets (included in special items).

                                       12
<PAGE>
ITEM 2.  MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
OF OPERATIONS (CONTINUED)

GLOBAL TRADE

The Global Trade group handles  substantially  all  of  the  company's worldwide
crude oil, condensate and natural gas marketing and trading activities.   Global
Trade also purchases crude oil,  condensate  and natural gas from the  company's
joint  venture  partners,  royalty  owners  and  their  unaffiliated oil and gas
producers for resale.

During the second  quarters of 1998 and 1997 Global Trade's  after-tax  earnings
were $4 million and $5 million, respectively.  Global Trade's after-tax earnings
for the first six  months of 1998 and 1997  were $10  million  and $11  million,
respectively.

GEOTHERMAL AND POWER OPERATIONS

The Geothermal and Power  Operations  segment  explores for,  produces and sells
geothermal  resources,  and  constructs and operates  electric power  generation
plants.
<TABLE>
<CAPTION>
                                                                                 For the Three Months           For the Six Months
                                                                                    Ended June 30                   Ended June 30
                                                                                ---------------------          ---------------------
Millions of dollars                                                              1998            1997            1998           1997
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                                                                              <C>             <C>             <C>            <C>
After-tax earnings .................................................             $14             $13             $28            $19
Special items:
    Deferred tax adjustment ........................................              --               7              --              7
- ------------------------------------------------------------------------------------------------------------------------------------
After-tax earnings excluding special items .........................             $14             $ 6             $28            $12
- ------------------------------------------------------------------------------------------------------------------------------------

</TABLE>

Improved  1998  earnings  for the  second  quarter  and  first six  months  were
primarily  the result of an increase  in power  generation  and related  sale of
electricity  from the  Indonesian  Salak  field Units 3 through 6, which came on
line during the second half of 1997. Partially offsetting these positive factors
were higher dry hole provisions for the six month period.

DIVERSIFIED BUSINESS GROUP

The   Agricultural   Products   group   manufactures,   transports  and  markets
nitrogen-based  products for  agricultural  and industrial  uses. The Carbon and
Minerals group manufactures and markets petroleum coke,  graphites and specialty
minerals. The Pipelines Group holds the company's equity interests in affiliated
pipeline companies.

<TABLE>
<CAPTION>
                                                                                 For the Three Months           For the Six Months
                                                                                    Ended June 30                  Ended June 30
                                                                                ---------------------          ---------------------
Millions of dollars                                                              1998            1997            1998           1997
- ------------------------------------------------------------------------------------------------------------------------------------
After-tax earnings
<S>                                                                             <C>             <C>             <C>            <C>
   Agricultural Products .................................................      $ 12            $ 26            $ 21           $ 46
   Carbon and Minerals ...................................................         9              56              24             66
   Pipelines .............................................................        15              16              30             30
   Other .................................................................        --              36              --             37
- ------------------------------------------------------------------------------------------------------------------------------------
   Total .................................................................        36             134              75            179
Special items:
   Asset sales (Carbon and Minerals) .....................................        --              41              --             41
   Environmental and litigation (Carbon and Minerals) ....................        (1)             --              (2)            --
   UNO-VEN restructuring (Other) .........................................        --              39              --             39
- ------------------------------------------------------------------------------------------------------------------------------------
   Total special items ...................................................        (1)             80              (2)            80
- ------------------------------------------------------------------------------------------------------------------------------------
Adjusted after-tax earnings ..............................................      $ 37            $ 54            $ 77           $ 99
- ------------------------------------------------------------------------------------------------------------------------------------
</TABLE>

Adjusted  after tax earnings for the second quarter and first six months of 1998
decreased 31 percent and 22 percent, respectively, as compared to second quarter
and first six months of 1997.  The lower  earnings in the  current-year  periods
were  primarily  attributable to lower sales prices for fertilizer products, for
both the export market and the domestic west coast  market,  and lower  domestic
fertilizer sales volumes due to unfavorable weather  conditions during the first
four months of the year.

                                       13
<PAGE>
ITEM 2.  MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
OF OPERATIONS (CONTINUED)

Also,  contributing to the lower current quarter and first six months'  earnings
were  losses  from the  company's  lanthanides  operation  due to the  temporary
shutdown of the separations plant and wastewater  pipeline at its Mountain Pass,
California, mining  facility.  This negative  impact was  principally  offset by
higher earnings from the company's Brazilian affiliate.

In 1997, the second quarter and first six months  after-tax  earnings  reflected
the sale of the company's  Illinois-based Unocal Hydrocarbon Sales business unit
and the restructuring of the UNO-VEN partnership.  These transactions  generated
gains (included in special items) of $41 million and $39 million, respectively.

CORPORATE AND UNALLOCATED

Corporate and Unallocated  expense  includes  general  corporate  overhead,  the
non-exploration  and production related activities of the New Ventures group and
other unallocated costs. Net interest expense represents  interest expense,  net
of interest income and capitalized interest.
<TABLE>
<CAPTION>
                                                                                    For the Three Months         For the Six Months
                                                                                        Ended June 30              Ended June 30
                                                                                    --------------------        --------------------
Millions of dollars                                                                  1998          1997          1998          1997
- ------------------------------------------------------------------------------------------------------------------------------------
After-tax earnings effect
<S>                                                                                 <C>           <C>           <C>           <C>
   Administrative and general expense ......................................        $ (12)        $ (14)        $ (23)        $ (27)
   Net interest expense ....................................................          (24)          (23)          (50)          (65)
   Environmental and litigation expense ....................................          (30)          (10)          (63)          (21)
   New Ventures (non-exploration and production) ...........................           (5)          (15)          (12)          (22)
   Other ...................................................................            3            (6)            4           (20)
- ------------------------------------------------------------------------------------------------------------------------------------
   Total ...................................................................          (68)          (68)         (144)         (155)
Special items:
     Environmental and litigation provisions ...............................          (27)           (5)          (59)          (14)
     Asset sales (Other) ...................................................           --             1            --             5
     Insurance settlement (Other) ..........................................           11            --            11            --
- ------------------------------------------------------------------------------------------------------------------------------------
   Total special items .....................................................          (16)           (4)          (48)           (9)
- ------------------------------------------------------------------------------------------------------------------------------------
Adjusted after-tax earnings effect from continuing operations ..............        $ (52)        $ (64)        $ (96)        $(146)
- ------------------------------------------------------------------------------------------------------------------------------------
</TABLE>

Adjusted  after-tax earnings for the second quarter of 1998 increased 19 percent
compared to the second  quarter of 1997  primarily  due to lower New  Ventures -
non-exploration and production expenditures. Adjusted after-tax earnings for the
first six months of 1998  increased 34 percent  compared to the first six months
of 1997 due  primarily to lower New Ventures -  non-exploration  and  production
expenditures  and lower  interest  expense as a result of the retirement of debt
with the proceeds  from the 1997 sale of the company's  West Coast  refining and
marketing assets.

In the second quarter of 1998, the Other category includes the benefit of an $11
million insurance settlement (included in special items).

FINANCIAL CONDITION AND CAPITAL EXPENDITURES

For the first six months of 1998, cash flow from operating activities, including
working capital changes,  was $397 million,  compared with $437 million in 1997.
The decrease was primarily attributable to lower commodity prices, a decrease in
accounts payable due to decreased accrual levels, and the temporary extension of
payment terms for certain natural gas and fertilizer sales. Consolidated working
capital at June 30, 1998 was $286  million,  a decrease of $55 million  from the
year-end 1997 level of $341 million.

Proceeds  from asset sales for the first six months of 1998 were $34 million and
consisted  of  $9  million   related  to  the  partial   collection  of  a  note
received from the sale of Unocal Hydrocarbon Sales in 1997, $11 million from the
sale  of  certain  Canadian   properties  and  $14  million  from  the  sale  of
miscellaneous international, domestic and real estate properties.

                                       14
<PAGE>
ITEM 2.  MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
OF OPERATIONS (CONTINUED)

Capital  expenditures  for the first six  months of 1998  totaled  $766  million
compared  to $645  million in the first six  months of 1997.  The  increase  was
primarily due to increased drilling activities and a property acquisition in the
Gulf of Mexico partially offset by lower levels of international development and
geothermal expenditures.  In addition, the first six months of 1997 included $49
million of capital expenditures for discontinued operations.

The  company  estimates  capital  expenditures  for  the  full  year  1998 to be
approximately $1.5 billion.  The increase from the previously announced level of
between $1.3 and $1.4 billion is primarily due to higher  drilling  expenditures
and  producing  property  acquisitions  in Spirit  Energy  76. The  increase  is
expected to be funded principally by asset sale proceeds.

The company's long-term debt was $2,480 million at June 30, 1998, an increase of
$311 million from the year-end 1997 level of $2,169 million.  The  debt-to-total
capitalization ratio increased to 47 percent from 43 percent at year-end 1997.

ENVIRONMENTAL MATTERS

At  June  30,  1998,  the  company's  reserves  for  environmental   remediation
obligations  totaled $293 million, of which $100 million was included in current
liabilities.  During the second  quarter,  cash  payments  of $18  million  were
applied  against the reserve and an additional $25 million in  liabilities  were
recorded to the reserve account. The additional $25 million in reserves were for
estimated  cleanup  costs for various  company  facilities  where the  company's
operations  have been closed or shut down resulting in a total reserve for these
sites,  which include Avila Beach and  Guadalupe,  of $150 million.  The company
also  estimates that it could incur  additional  remediation  costs  aggregating
approximately $220 million as discussed in note 9 to the consolidated  financial
statements. The company's total environmental reserve amount is grouped into the
following five categories:
<TABLE>
<CAPTION>
                                                                        June 30
Millions of dollars                                                       1998
- --------------------------------------------------------------------------------
<S>                                                                         <C>
   Superfund and similar sites ....................................         $ 19
   Former company-operated sites ..................................           22
   Company facilities sold with retained liabilities ..............           71
   Inactive or closed company facilities ..........................          150
   Active company facilities ......................................           31
- --------------------------------------------------------------------------------
      Total reserves ..............................................         $293
- --------------------------------------------------------------------------------
</TABLE>

In June 1998, the company entered into a settlement  agreement with the State of
California,  the County of San Luis Obispo and several  environmental groups for
the Avila Beach cleanup project. On June 25, 1998, the settlement  agreement was
approved  by  the  San  Luis  Obispo  County  Superior  Court.  Included  in the
settlement is an agreement to perform the  remediation  work required  under the
Cleanup and Abatement  Order issued by the  California  Central  Coast  Regional
Water  Quality  Control Board in April 1998.  The order calls for  excavation of
affected  areas of the town and beach.  The  company  plans to begin work on the
project in September 1998, after the necessary  permits for the planned work are
obtained from various  regulatory  agencies.  The company  anticipates  that the
excavation will take approximately 18 months to complete.

In July 1998, the company entered into a settlement  agreement with the State of
California concerning  a  civil  suit filed  by  the  State  related  to diluent
releases at the Guadalupe oil field.  On July 22, 1998, the settlement agreement
was  approved  by  the San  Luis   Obispo County  Superior Court.  The agreement
requires the  company  to comply  with the  Cleanup  and  Abatement Order issued
by the California Central Coast Regional Water  Quality  Control  Board in April
1998. The order calls for excavation of 17 areas in the field and bioremediation
of other areas in  addition  to the recovery of contaminants  utilizing  shallow
wells. The company plans to begin the cleanup work in  the  fall  of 1998, after
the necessary permits are obtained from various regulatory agencies.

The company has  provided for the  estimated  probable  cleanup  costs and other
costs for these sites in the reserves for environmental  remediation.  Estimates
for possible  additional  costs  related to these sites are included in the $220
million  possible  additional  remediation  costs  disclosed  in  note  9 to the
consolidated  financial  statements.  (See  notes  8 and 9 to  the  consolidated
financial statements for related information).

                                       15
<PAGE>
ITEM 2.  MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
OF OPERATIONS (CONTINUED)

FUTURE ACCOUNTING CHANGE

In June 1998,  the  Financial  Accounting  Standards  Board issued  Statement of
Financial Accounting  Standards No. 133, "Accounting for Derivative  Instruments
and Hedging  Activities".  The statement  establishes  accounting  and reporting
standards for derivative  instruments  and for hedging  activities.  It requires
that an entity  recognize all derivatives as either assets or liabilities in the
statement of financial  position and measure  those  instruments  at fair value.
Accounting  for  changes  in the fair  value of a  derivative  depends  upon the
intended use of the derivative and the resulting designation.  Unless designated
as a hedge, changes in the fair value of a derivative are to be accounted for as
gains  or  losses  in the  period  of  change.  In the case of  certain  hedging
activities,  changes  in the fair  value  of  derivative  instruments  are to be
deferred and reported as a separate component of other comprehensive income.

The statement  applies to all entities and is effective for all fiscal  quarters
of fiscal years  beginning after June 15, 1999. The company is planning to adopt
the statement in the first quarter of the year 2000 and is currently  evaluating
the impact the statement will have on its financial statements.

OUTLOOK

Certain of the statements in this discussion,  as well as other  forward-looking
statements within this document, contain estimates and projections of amounts of
or increases in future revenues,  earnings,  cash flows,  capital  expenditures,
assets,  liabilities  and  other  financial  items  and of  future  levels of or
increases in reserves, production, sales including related costs and prices, and
other  statistical  items;  plans and  objectives  of  management  regarding the
company's  future  operations,  products and services;  and certain  assumptions
underlying  such  estimates,   projection  plans  and  objectives.  While  these
forward-looking  statements are made in good faith,  future  operating,  market,
competitive, legal, economic, political, environmental, and other conditions and
events  could  cause  actual  results  to differ  materially  from  those in the
foward-looking statements.

Notwithstanding  the ongoing  economic  crisis in Indonesia  and  Thailand,  the
company  remains optimistic about Asia's long-term growth and is working closely
with  host governments and business associates through these difficult times. As
of  June 30, 1998,  the  company's  geothermal  operations  in  Indonesia  had a
receivable   balance of approximately  $52 million,  most of which was for steam
sales  from  the Salak  field.  Approximately  $16  million is due by the end of
August 1998,  of which $11 million  represents a shortfall in payments for March
through May 1998  steam deliveries to Gunung Salak electric  generating Units 1,
2 and 3. The remaining  balance is payable over the next several years.  Partial
payments  have been   received  on a timely  basis.  The  company  is engaged in
discussions with Indonesian   government  entities to explore  potential ways to
resolve the shortfall issue to the satisfaction of all parties.

Volatile  energy  prices  continue to negatively impact 1998 financial  results.
The company expects   that energy  prices will remain volatile due to changes in
climate  conditions,  worldwide   demand,  crude oil and  natural gas  inventory
levels, production quotas set by OPEC and other factors.

The company  continues to focus its reserve  replacement  and growth  efforts on
high-potential  projects.  Spirit Energy 76 achieved exploration success with 19
discoveries  in the first six months of 1998  including  the  deepwater  Gulf of
Mexico Leo prospect and the onshore Texas, Vanderbeek discovery.  Deepwater Gulf
of Mexico  exploration  drilling  started on the Calypso  prospect and will soon
begin on the Mad Dog and Mirage prospects. In Indonesia, the company has added a
deepwater drilling rig to its offshore East Kalimantan  exploration  program and
has begun drilling in the Seno prospect and expects to begin drilling in several
other deepwater prospects in 1998. Recent oil and gas exploration discoveries in
the Merah Besar area,  Indonesia,  include the Hitam Besar-2,  Hitam Besar-3 and
the Putih Besar-3 wells.  The company plans to submit a development plan for the
Merah Besar area in the fourth quarter of 1998. Other exploration activities are
planned or under way in Bangladesh, Argentina, Brazil, Azerbaijan and Brunei.

The Yadana field,  offshore Myanmar,  is currently  producing on a limited basis
and is expected to begin  commercial  operations in December  1998,  four months
later than previously  scheduled  because of construction  delays in a new power
plant at  Ratchaburi,  Thailand.  Commercial  production  from the Pailin field,
offshore  Thailand,  will commence upon completion of a pipeline.  Both of these
fields have firm  contracts for the sale of natural gas to Thailand.  Production
of natural gas is also expected to begin in late 1998 in Bangladesh.

                                       16
<PAGE>
ITEM 2.  MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
OF OPERATIONS (CONTINUED)

In April 1998, the company exchanged most of its Alberta, Canada, production and
exploration  assets for  debentures  and stock of  Tarragon  Oil and Gas Limited
(Tarragon)  representing  an  approximately  29 percent  interest.  In May 1998,
USX-Marathon  offered to acquire Tarragon for cash and stock. Terms of the offer
would allow the company to receive  C$14.25 per share for its 21 million  shares
of Tarragon.  On August 11, 1998,  following approval by the  securityholders of
Tarragon, the acquisition was completed.

On June 22,  1998,  Philippine  Geothermal  Inc.  (PGI)  entered into an interim
service  agreement  with the  National  Power  Company of the  Philippines  with
similar terms to the previous provisional agreement signed in September 1996.

Unocal  has  announced   plans  to  restructure   portions  of  its  Diversified
Businesses.   Financial   advisors   have  been  engaged  to  evaluate   various
restructuring  options  for the  agricultural  products  business  unit  and the
company is  evaluating  options for its carbon and  minerals  business  unit and
pipeline operations.

The company is actively  addressing  the Year 2000 (Y2K)  issue  throughout  its
operating and office environments. Many existing computer programs were designed
and  developed  to use only two digits to identify a year in the date field.  If
not addressed,  these computer applications could result in system failures with
possible material adverse effects on the company's  operations at the year 2000.
The company has appointed a project director and has assembled  various teams of
professionals to identify,  assess, correct and test these software applications
as well as its embedded systems. In addition,  the company has contracted with a
systems consulting firm to assist with the assessment, correction and testing of
the  company's  internal  systems as well as to assess its system  relationships
with vendors, suppliers, customers and other outside parties.

The  company's  Y2K  project  work began in July 1996.  A  company-wide  initial
awareness  campaign was completed in June 1998.  Identification  and  assessment
phases of the project are well  underway.  The company has business  contingency
and  recovery  plans  for  its  "mission  critical"  systems,  applications  and
processes  , i.e.,  those  that  would  materially  adversely  impact  revenues,
operations,  safety or the environment.  The company's Y2K project work includes
the updating of these plans to address material Y2K issues.

The   following  schedule  sets forth  the  company's  estimated  timetable  for
achieving Year 2000 readiness:

Project Phases                                   Expected Completion Dates

Worldwide inventory of systems                   October 1998
Worldwide  assessment                            November 1998
Initial  plan for  corrections/work arounds      December 1998
Remediation/renovation                           May 1999
Validation/testing                               July 1999
Contingency planning                             July 1999
Implementation                                   August 1999 
Control of system changes/upgrades               Ongoing - through December 1999

The company  currently  estimates the  expenditures of the preceding Y2K project
phases  to  approximate  $25 to  $30  million.  These  expenditures  will  occur
throughout 1998 and 1999.  There can be no assurance,  however,  that there will
not be a delay in, or increased costs associated with the implementation of such
changes or that such changes will prove 100 percent  effective in resolving  all
Y2K related issues.

ITEM 3.  QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK.

Market risk generally  represents the risk that losses may occur in the value of
financial  instruments  as a result of  movements  in  interest  rates,  foreign
currency  exchange  rates and  commodity  prices.  As part of its  overall  risk
management  strategies,  the company uses  derivative  financial  instruments to
primarily manage and reduce risks  associated with these factors.  The following
discussion and analysis focuses on significant changes in the company's position
regarding these risk factors since year end 1997.

                                       17
<PAGE>
ITEM 3.  QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK (CONTINUED)

Interest  Rate Risk - The  company's  primary  market  exposure  for  changes in
interest rates relates to the company's long term debt  obligations.  During the
first six months of 1998, the company  increased its outstanding  long-term debt
level (including capital leases) by approximately $311 million to $2,480 million
from its year-end 1997 level of $2,169  million,  primarily  through the sale of
two new debt  issues.  On May 6, 1998,  Union Oil issued $100 million of 6 1/2 %
notes due May 1, 2008 and $200  million of 7 %  debentures  due May 1, 2028,  in
each case guaranteed by Unocal.  Proceeds from the sale were used to retire $110
million Deutsche Mark bonds and to retire various maturing medium term notes and
to reduce commercial paper borrowings.  The increase in debt was principally due
to increased cash requirements  resulting from lower than anticipated  commodity
prices in 1998. The company  expects cash generated from operations and sales of
assets to be  sufficient  to fund its  current  operations.  However,  a further
reduction in  commodity  prices may cause the company to increase its debt level
at December 31, 1998. The following table provides principal amounts and related
weighted average  interest rates for the company's  outstanding debt obligations
at June 30, 1998 by expected  maturity dates and  constitutes a forward  looking
statement.  Circumstances  could arise which may cause the timing and amounts of
actual cash flows to differ materially from the projections.

<TABLE>
<CAPTION>
Debt Obligation Principal Amounts by Expected Maturity Dates at June 30, 1998

                                                                           Fair
Millions of U.S. dollars             1998-2002  There-after    Total       Value
- --------------------------------------------------------------------------------
<S>                                    <C>        <C>         <C>         <C>
Fixed rate .......................     $ --       $1,972      $1,972      $2,114
  Average Interest Rates .........       --         7.95%       7.95%
Variable rate ....................       --          508         508         508
  Average Interest Rates .........       --         5.97%       5.97%
- --------------------------------------------------------------------------------
                                       $ --       $2,480      $2,480      $2,622
- --------------------------------------------------------------------------------
</TABLE>

Foreign  exchange rate risk - Where  warranted,  the company enters into various
foreign currency  exchange  contracts to manage its exposure to foreign currency
exchange  rates.  The  company  had  no  foreign  currency  exchange   contracts
outstanding  at June 30, 1998. The company will continue to monitor its exposure
to foreign  exchange rate volatility as part of its strategy to mitigate foreign
currency risks.

Commodity price risk - The company  generally uses  hydrocarbon  commodity based
derivative  financial  instruments,  such as options or futures  contracts  with
maturities  of 18 months or less,  to mitigate its exposure to  fluctuations  in
petroleum commodity prices. The company also trades hydrocarbon-based derivative
financial  instruments on a limited basis. The company has controls in place and
monitors its trading activities to ensure compliance.

The  company  uses a value  at risk  model  to  assess  the  market  risk of its
commodity price  sensitive  derivative  financial  instruments for internal risk
management  purposes.  Value at risk represents the potential loss in fair value
the  company  would  experience  on its  commodity  price  sensitive  derivative
financial  instruments,  using calculated  volatilities and correlations  over a
specified time period with a given confidence  level. The company's  calculation
model is based on  historical  data and uses a one week time  interval  and a 95
percent confidence level. Trading and non-trading commodity derivative financial
instruments  have  been  segregated  in the  model.  Based  upon  the  company's
calculations,  the risk of loss in fair value  associated  with commodity  price
sensitive derivative financial instruments at June 30, 1998 was immaterial.

                                       18
<PAGE>
                           PART II - OTHER INFORMATION

ITEM 1.   LEGAL PROCEEDINGS

There is incorporated by reference the information with respect to certain legal
proceedings previously reported in Item 3 of Unocal's Annual Report on Form 10-K
for the year ended  December  31, 1997 (1997 Form 10-K) and in Item 1 of Part II
of Unocal's  Quarterly  Report on Form 10-Q for the quarter ended March 31, 1998
(First  Quarter  1998  Form  10-Q),  the  information  regarding   environmental
remediation reserves in note 8 to the consolidated  financial statements in Item
1 of Part I hereof, the discussion thereof in the Environmental  Matters section
of Management's Discussion and Analysis in Item 2 of Part I, and the information
regarding certain legal  proceedings and other contingent  liabilities in note 9
to the consolidated financial statements.

(1)      In Citizens  for a Better  Environment,  et al. v. Union Oil Company of
         California,  described in Paragraph (3) of Item 3 of the 1997 Form 10-K
         and in  Paragraph  (1) of Item 1 of Part II of the First  Quarter  1998
         Form 10-Q,  the  parties  have  reached a tentative  resolution  of the
         matter and have commenced the  preparation  of  appropriate  settlement
         documents for court approval.

(2)      With  reference  to the  matters  involving  the  Guadalupe  oil field,
         described  in  Paragraph  (4) of Item 3 of the  1997  Form  10-K and in
         Paragraph (2) of Item 1 of Part II of the First Quarter 1998 Form 10-Q,
         in July 1998,  Unocal  entered  into an agreement  with the  California
         Attorney  General,  the Central Coast  Regional  Water Quality  Control
         Board  (RWQCB),  the  California  Department  of  Fish  and  Game,  the
         California  Department of Toxic  Substances  Control and the California
         Coastal  Conservancy  to settle the civil  suit  filed by the  Attorney
         General  in March  1994,  regarding  contamination  of the  field.  The
         settlement  was approved by the Superior  Court of  California  for San
         Luis Obispo County on July 22, 1998.

         Under the terms of the  settlement,  the company has paid $43.8 million
         for damages,  penalties  and past agency costs related to the dune sand
         aquifer  contamination.  The damages portion of the settlement includes
         funding  for  restoration,   replacement  and  rehabilitation   efforts
         involving  natural  resources  at the field.  The  settlement  requires
         Unocal to comply with the cleanup and abatement order for the Guadalupe
         field issued by the Central Coast RWQCB in April 1998. That order calls
         for excavation of certain  contaminated  sites, plus pilot testing over
         two five-year periods to evaluate potential cleanup technologies.

         The $43.8 million  payment does not include the  anticipated  costs for
         cleanup of the  contamination.  Unocal has provided for certain cleanup
         costs at Guadalupe in its  environmental  remediation  reserves and has
         estimated certain possible additional costs that may be incurred. These
         amounts  may change as  additional  information  regarding  the cleanup
         becomes available.

(3)      With  reference  to the  matters  involving  the town of  Avila  Beach,
         California,  described in Paragraph (5) of Item 3 of the 1997 Form 10-K
         and in  Paragraph  (3) of Item 1 of Part II of the First  Quarter  1998
         Form 10-Q, on June 25, 1998, the San Luis Obispo County  Superior Court
         approved a  settlement  agreement  between  the company and the Central
         Coast RWQCB,  the  California  Department of Fish & Game, the County of
         San Luis Obispo,  Avila  Alliance,  Environmental  Law  Foundation  and
         Communities  for  a  Better  Environment.  The  agreement  settles  all
         applicable  claims  these  parties had against  Unocal  concerning  the
         hydrocarbon  contamination  along  Front  Street  in  Avila  Beach,  in
         exchange for Unocal's paying $12 million,  donating certain  properties
         to the County and performing certain improvement  projects in the town.
         The agreement  also  incorporates  performance  parameters for Unocal's
         remediation project.

         The settlement payment does not include Unocal's  anticipated costs for
         cleanup of the  contamination.  Unocal has provided for certain cleanup
         cost at Avila Beach in its environmental  remediation  reserves and has
         estimated certain possible additional costs that may be incurred. These
         amounts  may change as  additional  information  regarding  the cleanup
         becomes available.

         On May 18, 1998,  four Avila Beach  residents  filed a purported  class
         action  complaint  against the  company in the San Luis  Obispo  County
         Superior  Court  seeking a medical  monitoring  class and  damages as a
         result  of  the  remediation  project  (Cucinella,  et  al.  v.  Unocal
         Corporation,  et al., No. CV 9804417).  The settlement  described above
         does not encompass this or other lawsuits  pending  against the company
         for private property, business-related and medical claims.

                                       19
<PAGE>
ITEM 1.   LEGAL PROCEEDINGS (CONTINUED)

(4)      With reference to the matters involving the Mountain Pass,  California,
         lanthanide  facility  of  the  company's  Molycorp,   Inc.  (Molycorp),
         subsidiary, described in Paragraph (14) of Item 3 of the 1997 Form 10-K
         and  Paragraph  (5) of Item 1 of Part II of the First Quarter 1998 Form
         10-Q, on May 19, 1998, the District  Attorney of San Bernardino  County
         filed a civil complaint  against Molycorp in the San Bernardino  County
         Superior   Court  -  Barstow   Division  for  alleged   violations   of
         California's Proposition 65 law and Hazardous Waste Control law (People
         of the State of California v. Molycorp,  Inc., No. BCV 03740).  On July
         15, 1998,  an amended  complaint was filed,  withdrawing  the Hazardous
         Waste  Control  Law cause of action.  The  complaint  is now limited to
         alleged  violations of  Proposition  65. In addition,  on July 9, 1998,
         Molycorp  and the  Lahontan  RWQCB  settled  the March  1998  Notice of
         Proposed  Administrative  Civil Liability for failure to submit certain
         reports in a timely manner for civil penalties in the aggregate  amount
         of $410,000,  of which  $290,000 was paid by Molycorp in July,  and the
         balance will be paid in three equal semi-annual installments.

(5)      With  reference to the matter  involving the company's  Kenai,  Alaska,
         fertilizer  plant,  described in  Paragraph  (17) of Item 3 of the 1997
         Form 10-K,  the company  paid the  $550,000 of civil  penalties in June
         1998.

(6)      The South Coast Air Quality  Management  District (SCAQMD) has notified
         the company concerning past Notices of Violation and emission fees that
         remain outstanding  regarding the company's former Los Angeles Refinery
         Wilmington  and Carson  Plants (which were  subsequently  sold to Tosco
         Corporation  in March 1997).  In the  aggregate,  penalties  concerning
         these  matters could exceed  $100,000.  The company is working with the
         SCAQMD towards a resolution of these matters.

(7)      On August 6, 1998, a Los Angeles County Superior Court jury hearing the
         Group 5 trial in Judicial  Council  Coordination  Proceedings No. 2967,
         "Lockheed  Litigation  Cases",  awarded  approximately  $760 million in
         punitive damages against five defendants,  including  Unocal.  Unocal's
         share  of  the  award  was  $81.3  million.   The  defendants  supplied
         petrochemicals to the former Lockheed Corporation "Skunkworks" plant in
         Burbank,  California.  The Group 5 trial involved 42 current and former
         employees  at  Lockheed  who claim  personal  injuries as the result of
         exposure to these chemicals.  In the  compensatory  damage phase of the
         trial,  Unocal  was  found  liable to eight  plaintiffs  for a total of
         approximately $750,000 as a consequence of its delivery of two drums of
         naphtha to the plant in 1984. Unocal and the other defendants will seek
         to have the punitive  damage award set aside in post-trial  proceedings
         and, in any event, will appeal the entire result. The company is highly
         confident that the punitive damage award will be substantially  reduced
         or completely reversed.

ITEM 2.   CHANGES IN SECURITIES

During the second quarter of 1998,  Unocal awarded 5,891  restricted stock units
to  nonemployee  directors  pursuant  to the terms of the  company's  Directors'
Restricted  Stock Plan.  The 5,891 units were awarded (1) as annual grants equal
to 20 percent of each  nonemployee  director's  fees earned  during the prior 12
months,  (2) in  consideration  of the prior election by each of the nonemployee
directors  to defer  all or a  portion  of his or her cash fees and (3) upon the
credit of dividend  equivalents  upon units  previously  awarded.  Additionally,
28,148  shares of  restricted  stock  previously  issued  under  the  Directors'
Restricted  Stock Plan were converted  into an equal number of restricted  stock
units.  The units were not registered under the Securities Act of 1933 (the Act)
in  reliance  upon  the  exemption  contained  in  Section  4(2)  of the Act for
transactions by an issuer not involving any public offering.  The units are paid
out in an equal number of shares of Unocal common stock at the end of a deferral
period elected by each director.

During the second  quarter of 1998,  Unocal issued 41 shares of its common stock
upon the conversion of 35 of the 6-1/4% trust convertible  preferred  securities
of Unocal Capital Trust.  The common shares were not registered under the Act in
reliance  upon  the  exemption  contained  in  Section  3(a)(9)  of the  Act for
securities   exchanged  by  the  issuer  with  its   existing   security-holders
exclusively where no commission or other  remuneration is paid or given directly
or indirectly for soliciting such exchange.

                                       20
<PAGE>
ITEM 4.  SUBMISSION OF A VOTE OF SECURITY HOLDERS

The Annual  Meeting  of  Stockholders  of Unocal  was held on June 1, 1998.  The
following  actions were taken by the  stockholders  at the Annual  Meeting,  for
which proxies were  solicited  pursuant to  Regulation  14 under the  Securities
Exchange Act of 1934, as amended:

1.       The three  nominees  proposed by the board of directors were elected as
         directors by the following  votes for three-year  terms expiring at the
         2001 Annual Meeting of Stockholders, or until their successors are duly
         elected and qualified:

                Name                    Votes For          Votes Withheld

         Frank C. Herringer            208,755,497            2,870,924
         John F. Imle, Jr.             208,193,385            3,433,036
         Marina v.N. Whitman           208,680,911            2,945,510

2.       A proposal to ratify the  appointment  of Coopers & Lybrand  L.L.P.  as
         Unocal's  independent  accountants  for  1998 was  passed  by a vote of
         209,933,249   for  versus   1,095,549   against.   There  were  597,623
         abstentions and no broker non-votes.  Coopers & Lybrand L.L.P. recently
         merged with Price  Waterhouse  L.L.P. to become  PricewaterhouseCoopers
         L.L.P.

3.       A proposal to approve the 1998 Management Incentive Program passed by a
         vote of 196,134,439 for versus 12,195,822 against. There were 1,900,135
         abstentions and 1,396,025 broker non-votes.

4.       A  stockholder  proposal  that the Board review and report on executive
         compensation  failed  to  pass  by a  vote  of  14,975,900  for  versus
         171,945,942  against.  There were 2,548,229  abstentions and 22,156,350
         broker non-votes.

5.       A stockholder proposal that the Board research and report regarding the
         Myanmar Oil and Gas Enterprise and drug money laundering failed to pass
         by a vote of  10,291,289  for versus  174,807,930  against.  There were
         4,370,551 abstentions and 22,156,651 broker non-votes.

6.       A  stockholder  proposal that the Board report on the cost and benefits
         of doing business in Myanmar failed to pass by a vote of 11,395,313 for
         versus  174,046,523  against.  There  were  4,027,934  abstentions  and
         22,156,651 broker non-votes.

ITEM 6.   EXHIBITS AND REPORTS ON FORM 8-K

          (a) Exhibits:   The Exhibit Index on page 24 of this  report lists the
              exhibits that are filed as part of this report.

          (b) Reports on Form 8-K:

                 Filed during the second quarter of 1998:

                 1. Current  Report on Form 8-K dated April 15, 1998,  and filed
                    April 21, 1998, for the purpose of reporting,  under Item 5,
                    the  completion  of  the  company's  Unocal  Canada  Limited
                    subsidiary's exchange of certain of its Canadian oil and gas
                    properties  for common stock and  debentures of Tarragon Oil
                    and Gas Limited.

                 2. Current  Report on Form 8-K dated April 28, 1998,  and filed
                    April 29, 1998, for the purpose of reporting,  under Item 5,
                    Unocal's   first   quarter   1998   earnings   and   related
                    information.

                 3. Current  Report on Form 8-K dated  June 3,  1998,  and filed
                    June 4, 1998,  for the purpose of  reporting,  under Item 5,
                    Unocal's   review   of   restructuring   options   for   its
                    non-exploration and production operating business units.

                                       21
<PAGE>
ITEM 6.   EXHIBITS AND REPORTS ON FORM 8-K (CONTINUED)

                 4. Current  Report on Form 8-K and  Amendment  No. 1 thereto on
                    form 8-K/A dated June 17, 1998,  and filed June 17, 1998 and
                    June 18, 1998,  respectively,  for the purpose of reporting,
                    under  Item  5, a $3.4  million  shortfall  in  payments  by
                    Indonesian government entities for March steam deliveries.

                 Filed during the third quarter of 1998 to the date hereof:

                 1. Current  Report on Form 8-K dated and filed  July 14,  1998,
                    for the purpose of reporting,  under Item 5, highlights from
                    Unocal's security analyst conference.

                 2. Current  Report on Form 8-K dated and filed  July 28,  1998,
                    for the purpose of reporting,  under item 5, Unocal's second
                    quarter 1998 earnings and related information.

                                       22
<PAGE>
                                    SIGNATURE


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



                                       UNOCAL CORPORATION
                                           (Registrant)


Dated:  August 11, 1998                By:   /s/ Joe D. Cecil
                                             --------------------------
                                                 Joe D. Cecil
                                                 Vice President and Comptroller
                                                 (Duly Authorized Officer and
                                                 Principal Accounting Officer)

                                       23
<PAGE>
                                  EXHIBIT INDEX


3.1      Bylaws of Unocal,  as amended  June 1, 1998,  and  currently  in effect
         (incorporated by reference to Exhibit 3.4 to the Registration Statement
         on Form S-3 of Union Oil Company of California  (Union Oil), Unocal and
         Unocal  Capital  Trust  II  (File  Nos.  333-58415,   333-58415-01  and
         333-58415-02).

10.1     1998 Management Incentive Program,  consisting of the Revised Incentive
         Compensation  Plan,  the Long-Term  Incentive Plan of 1998 and the 1998
         Performance  Stock Option Plan  (incorporated by reference to Exhibit A
         to Unocal's Proxy  Statement  dated April 20, 1998, for its 1998 Annual
         Meeting of Stockholders  held on June 1, 1998, at which the Program was
         approved, File No. 1-8483).

10.2     Forms of Notice of Grant of Performance Stock Option and Tandem Limited
         Stock  Appreciation  Right and Grant  Agreement, effective  as of March
         30, 1998, between Unocal and each of Roger C. Beach, John F. Imle, Jr.,
         Timothy H. Ling, Randolph L.  Howard,  John W. Schanck,  Lucius E. (Ed)
         Scott, Charles R. Williamson and Dennis P.R. Codon.

10.3     Unocal  Supplemental  Retirement  Plan  for  Key  Management  Personnel
         (effective as of January 1, 1998).

10.4     Amendments  to  the Directors' Restricted Stock Plan, effective June 1,
         1998.

10.5     Form of  Employment  Agreement,  to be  effective as of  July 28, 1998,
         between Unocal and Roger C. Beach.

10.6     Form of  Employment  Agreement,  to be  effective as of  July 28, 1998,
         between Unocal and John F. Imle, Jr.

10.7     Form of Change of Control  Agreement,  to be  effective as of  July 28,
         1998,  between Unocal and Timothy H. Ling.

10.8     Form of  Employment  Agreement,  to be  effective as of  July 28, 1998,
         between Unocal and Randolph L. Howard.

10.9     Form of  Employment  Agreement,  to be  effective as of  July 28, 1998,
         between Unocal and John W. Schanck.

10.10    Form of  Employment  Agreement,  to be  effective  as of July 28, 1998,
         between Unocal and Lucius E. (Ed) Scott, Jr.

10.11    Form of  Employment  Agreement,  to be  effective  as of July 28, 1998,
         between Unocal and Charles R. Williamson.

10.12    Form of  Employment  Agreement,  to be  effective  as of July 28, 1998,
         between Unocal and Dennis P.R. Codon.

12.1     Statement  regarding  computation of ratio of earnings to fixed charges
         of Unocal for the six months ended June 30, 1998 and 1997.

12.2     Statement  regarding  computation of ratio of earnings to fixed charges
         of Union Oil for the six months ended June 30, 1998 and 1997.

27.      Financial  data  schedule for the period ended June 30, 1998  (included
         only  in  the  copy  of  this  report  filed  electronically  with  the
         Commission).

99.1     Bylaws of Union Oil, as amended June 1, 1998,  and  currently in effect
         (incorporated by reference to Exhibit 3.2 to the Registration Statement
         on Form S-3 of Union Oil, Unocal and Unocal Capital Trust II (File Nos.
         333-58415, 333-58415-01 and 333-58415-02).

                                       24

                                                                    EXHIBIT 10.2

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

Notice of Grant of Performance Stock           UNOCAL  CORPORATION
Option and TLSAR and Grant Agreement           ID:
                                               2141 Rosecrans Avenue, Suite 4000
                                               El Segundo, California 90245

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

[Name]                                                            ID: __________
[Address]
[Address]


You have been  granted  an  Option to buy  Unocal  Corporation  Common  Stock as
follows:

         Non-Qualified Performance Stock Option Grant No.               [......]
         Date of Grant                      03/30/98
         Management Incentive Program Component            1998 Performance Plan
         Option Price per Share                                          $51.012
         Total Number of Option Shares Granted                        __________
         Total Option Price of Option Shares Granted                 $__________

You  have  also  been  granted  a Tandem  Limited  Stock  Appreciation  Right in
conjunction with the above Option.

         Total Number of TLSAR Shares Granted                         __________
         Grant Price per Share of TLSAR                                 $38.6875

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

                  By signing your name below, you and Unocal  Corporation  agree
                  that (a) this Option and related  TLSAR are granted  under and
                  governed by the terms and  conditions  of the Grant  Agreement
                  referenced above,  which is attached hereto and made a part of
                  this document,  and (b) both of these documents are subject to
                  the  terms of the  above  referenced  1998  Performance  Stock
                  Option Plan.

                  -------------------------          ----------------------
                  Full Legal Name (print)            Social Security Number

                  Current Address:  ---------------------------------
                                    ---------------------------------


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


- ------------------------------------------  ------------------------------
For UNOCAL CORPORATION                      Date

- ------------------------------------------  ------------------------------
Optionee                                             Date

<PAGE>
                                 GRANT AGREEMENT
                       1998 PERFORMANCE STOCK OPTION PLAN
                     UNDER THE MANAGEMENT INCENTIVE PROGRAM


This Grant  Agreement is between  UNOCAL  CORPORATION  (the  "Company")  and the
individual  (the  "Holder")  named in the Notice of Grant of  Performance  Stock
Option  and TLSAR  (the  "Notice")  attached  hereto  as the cover  page of this
agreement.  Capitalized  terms used  herein  without  definition  shall have the
meanings  assigned to such terms in the 1998 Performance  Stock Option Plan (the
"Plan").

The  Company,  desiring to afford an  opportunity  to the Holder to purchase its
Stock, to provide the Holder with an incentive and a proprietary interest in the
success of the  Company  and its  subsidiaries,  and to  obligate  the Holder to
perform  services with the Company or one or more of its  subsidiaries as herein
provided,  hereby grants to the Holder, and the Holder hereby accepts the Award,
subject to and in accordance with the terms and conditions of the Plan.

The Company grants to the Holder the right and option to purchase,  on the terms
and conditions hereinafter set forth, all or any part of the aggregate number of
Option  shares  set  forth in the  Notice  exercisable  in  accordance  with the
provisions of this Grant during the period from March 31, 2001 through March 30,
2008 (the "Award  Period"),  unless  terminated  prior to that date  pursuant to
paragraph A below. This Option is a Non-Qualified Stock Option.

The Company also grants to the Holder,  in  conjunction  with the Option granted
hereby,  a Tandem Limited Stock  Appreciation  Right ("TLSAR") for the number of
TLSAR shares set forth in the Notice,  as described in Section 8 and 9(g) of the
Plan and paragraph B below.

A.       Option

1.       Exercisability  (Vesting) of Option. The Holder may purchase the number
         of option  shares of Stock  determined  pursuant to paragraph A.2 below
         commencing  on March  31,  2001,  provided  that  one of the  following
         Performance  Conditions  has been met between  March 30, 1998 and March
         30, 2001 (the "Performance Period").

         a. Stock Price. The Fair Market Value of the Stock has been equal to or
         greater than the option price for ten trading  days  (occurring  within
         any period of twenty  consecutive  trading days) during the Performance
         Period.

         b.  Comparative  Return  to  Stockholders.  The  Comparative  Return to
         Stockholders places the Company in the top quartile (75th percentile or
         above) of the Peer  Group  Companies  for the  Performance  Period,  as
         determined by the Committee.

         If there is a Change in Control Event as defined in Section 9(f) of the
         Plan and the Option has not been previously  forfeited,  the Holder may
         exercise  the  Option  at any  time  after  either  of the  Performance
         Conditions is met.

2.       Number of Shares  Exercisable.  The  Holder  shall  have the  following
         number of option shares  available  for  exercise,  provided one of the
         Performance Conditions set forth in paragraph A.1 has been met:

         a. If the Holder has been  continuously  employed at the Company or any
         of its subsidiaries  through the Performance Period, 100% of the option
         shares  granted  in  this  Notice.  For  purposes  of this  Award,  the
         employment of the Holder shall be deemed to continue  uninterrupted  in
         the  event  that  during  the  Performance  Period  the  Holder  is  on
         authorized  sick  leave  or such  other  leave  as is  approved  by the
         Committee.

         b.  If the  employment  of the  Holder  by  the  Company  or any of its
         subsidiaries terminates during the Performance Period because of death,
         permanent and total disability, retirement at or after attaining age 65
         and pursuant to the  Company's  retirement  plan then in effect,  early
         retirement at the Company's  request,  or if the  termination is at the
         convenience  of the Company,  a portion of the option shares granted in
         this Notice,  prorated for service during the Performance  Period,  and
         the  balance  of the  option  shares  subject  to the  Award  would  be
         forfeited.

                                       2
<PAGE>
         c.  If the  employment  of the  Holder  by  the  Company  or any of its
         subsidiaries  terminates within the Performance Period because of early
         retirement  at the  Holder's  request,  for "cause" or for  performance
         inadequacy,  or by  resignation  or  any  other  discharge  other  than
         pursuant to paragraph A.2(b), the Award would be completely forfeited.

         d. If there is a Change of Control  Event as defined in Section 9(f) of
         the Plan,  100% of the option shares  granted in this Notice which were
         not previously forfeited.

3.       Term of Option.  The  Option or portion of the Option  under this Award
         shall expire on the first to occur of the following dates:

         a. The tenth anniversary of the Date of Grant, that is March 30, 2008.

         b. The date of exercise of the Option or portion of the Option.

         c. March 31,  2001,  if the Option has not become  exercisable  by that
         date in accordance with paragraph A.1 above.

         d. If the  Holder's  employment  with the Company  and/or a  subsidiary
         terminates  during  the  Performance  Period  because  of  a  voluntary
         resignation,  early retirement at the Holder's request, termination for
         "cause" or performance  inadequacy,  or any other  discharge other than
         retirement  at or after  attaining age 65 and pursuant to the Company's
         retirement  plan then in  effect,  early  retirement  at the  Company's
         request,  or  termination  determined  by  the  Committee  to be at the
         convenience of the Company,  the Option will be completely forfeited on
         the date of termination.

         e.  The  date  of (i) a  dissolution  of the  Company,  (ii) a  merger,
         reorganization,  consolidation  or similar  event that the Company does
         not survive,  or (iii) the  consummation  of a merger,  reorganization,
         consolidation  or similar  event  approved by the Board which the Board
         determines  to be a Change in  Control  Event.  The date upon which any
         such event occurs shall be referred to as a  "Conversion  Date." Change
         of Control Events are defined in Section 9(f) of the Plan.

B.       Tandem Limited Stock Appreciation Rights

1.       Vesting of TLSAR. A TLSAR shall become  immediately  vested and payable
         on a Conversion Date following a Change in Control Event, as defined in
         Section 9(f) of the Plan.

2.       Number of TLSAR Shares  Payable.  The number of TLSAR shares  available
         for vesting  shall be  calculated  in the same  manner as provided  for
         Option shares in paragraph A.2 above.

3.       Term of TLSAR.  The TLSAR under this Grant shall  expire on the date of
         expiration  of the related  Option,  as specified  on in paragraph  A.3
         above,  unless  the  TLSAR  is  exercisable  on  such  dates.  All or a
         proportionate  part of the TLSAR  shall also be  canceled if the Holder
         exercises  all or a portion of the Option as provided in paragraph A of
         this Grant.

4.  Payment of TLSAR.  Payment of the TLSAR shall be made as provided in Section
    8(c) of the Plan.

C.       Non-Transferability of Award

1.       This Award shall not be  transferable by the Holder except by will, the
         laws of descent and  distribution,  or as provided in Section  10(e) of
         the Plan. This Award shall be exercisable  during the Holder's lifetime
         only by the Holder, his guardian, or his legal representative.

D.       Adjustments to Award Shares

1.       This Option,  TLSAR, and Grant Agreement shall be subject to adjustment
         by the Committee as to the number and price of shares of Stock or other
         considerations  subject  to this  Award in the event of  changes in the
         outstanding  Stock by reason of stock  dividends,  exchanges,  or other
         relevant changes in capitalization occurring after the Date of Grant of
         this Award.

                                       3
<PAGE>
E.       Manner of Exercise

1.       This Award  may be exercised from time to time, in accordance  with its
         terms,  by written notice thereof signed by the Holder and delivered to
         the  Secretary of  the Company  at its  head  office in  the City of El
         Segundo, State of California.  Such notice  shall state the  number  of
         shares being  purchased,  be accompanied by payment of the full  option
         price for such number of shares, payment for any applicable withholding
         tax (unless otherwise  provided  for), and the submission of this Grant
         for endorsement as to the number of shares being purchased. Payment may
         be in the form of cash or shares of the  common  stock of the  Company.
         Additionally, this Award may be exercised in accordance with such other
         arrangements, including "cashless" exercise,  as may be approved by the
         Secretary of the Company.

2.       The issuance of shares upon the exercise of this Award shall be subject
         to all  applicable  laws,  rules and  regulations  with  respect to the
         issuance and sale of such shares, and to such approvals by governmental
         agencies as may be required.

3.       The Holder shall be entitled to the privileges of stock  ownership only
         as to such  shares as are  issued or  delivered  to him  hereunder  and
         subject to any limitation under paragraph E.2 above.

4.       Exercise of a deceased Holder's Award shall be by his or her designated
         beneficiary,  legal  representative or  representatives,  the person or
         persons  entitled to do so under the Holder's last will and  testament,
         or by the person or persons  entitled  to receive  this Award under the
         applicable laws of descent and distribution, whichever is applicable.

F.       Miscellaneous

1.       This Award is granted  pursuant to the Company's 1998 Performance Stock
         Option Plan and is subject to all the terms and provisions thereof.

2.       As further  consideration  for the granting  of this  Award, the Holder
         agrees to continue in the  employment of the Company or one or more  of
         its subsidiaries at the pleasure of the Company  or such subsidiary for
         a continuous  period of at least one (1) year from the Date of Grant at
         the  salary  rate in effect on the date  hereof or at such changed rate
         as may be fixed from time to time by the  Company or  such  subsidiary.
         The Holder agrees during such  employment  to devote his or  her entire
         time, energy and skills to the service and interests  of the Company or
         such subsidiary,  subject to vacations,  sick leave, and other absences
         in  accordance  with  the  regular  policies  of  the  Company  and its
         subsidiaries.  The Holder agrees  to promote the Company's interest and
         to  act in accord  with the  regular  policies  of the  Company and its
         subsidiaries.  This  Award  shall not confer  upon the Holder any right
         with  respect  to  continuance  of  employment  by  the  Company or any
         subsidiary,  nor shall it  interfere  in any  way with the right of the
         employer  to  terminate  his or her  employment  at  any  time  for any
         reason, with or without cause.

3.       Notwithstanding  any other provision  hereof,  in the event of a public
         tender  for all or any  portion  of the stock of the  Company or in the
         event that a proposal to merge, consolidate,  or otherwise combine with
         another  company is submitted for  shareholder  approval,  or any other
         situation exists which the Committee determines is similar thereto, the
         Committee  may,  in its sole  discretion,  declare  previously  granted
         options  for  which  the  Performance   Conditions  have  been  or  are
         thereafter satisfied to be immediately exercisable.

4.       The headings of the Agreement are solely for  convenience and shall not
         be given any effect in interpreting this Agreement.

5.       This  Agreement  has been executed in two  counterparts,  each of which
         shall constitute one and the same instrument.

         IN WITNESS WHEREOF,  the Company has granted this Award, at El Segundo,
California, effective on the Date of Grant of this Award.

                               UNOCAL CORPORATION

                               By___________________________
                                 Chairman of the Board and
                                 Chief Executive Officer

                               ACCEPTED:__________________
                                           Award Holder

                               Date:________________________

                                       4

                                                                    EXHIBIT 10.3

        UNOCAL SUPPLEMENTAL RETIREMENT PLAN FOR KEY MANAGEMENT PERSONNEL
                        (Effective as of January 1, 1998)


Article I - Eligibility

The  Employee,  or in the  proper  case,  the  Spouse of an  Employee,  shall be
eligible if each of the following provisions are satisfied:

A.       The Employee is a Member of the Unocal Retirement Plan;

B.       At the time of the Employee's separation from service with an Employer,
         the Employee had at least 5 years of Benefit  Service  under the Unocal
         Retirement Plan;

C.       The  Employee  separates  from  service  with an  Employer  on or after
         January 1, 1998;

D.       At the time of the Employee's separation from service with an Employer,
         the Employee had received a Qualifying Incentive Plan award ("Incentive
         Award") within the ten-year  period used in determining  "Final Average
         Monthly Pay" under the Unocal Retirement Plan; and

E.       The Employee's  "Final Average Monthly Pay" under the Unocal Retirement
         Plan is less than it would have been in the absence of the requirements
         of Section 401(a)(17) of the Code.

Article II - Benefit

A.       The amount of the  Employee's  benefit  (or the  Spouse's  benefit,  if
         applicable)  shall be equal to the difference,  if any, between 1 and 2
         below.

1. The amount of the  monthly  benefit  that would have been  payable  under the
Unocal Retirement Plan if:

(a)      "Final   Average   Monthly   Pay"   included   the   greater   of   (I)
         one-thirty-sixth  of  the  sum  of  the  highest  three  calendar  year
         Incentive Awards (disregarding Employee deferral elections) made to the
         Employee  which are  attributable  to years within the ten-year  period
         used  in  determining  the  Employee's   "Final  Average  Monthly  Pay"
         (including those received after separation from service) in lieu of the
         Incentive Award component actually included in such calculation, and

(b)      Any  limitations  imposed because of Section 415 and Section 401(a)(17)
         of the Code were disregarded.

2.       The amount of the monthly  benefit  payable to the recipient  under the
         Unocal  Retirement  Plan,  using the  Employee's  actual "Final Average
         Monthly Pay" but  disregarding the limits imposed by Section 415 of the
         Code.

B.       For purposes of the above  calculation,  Incentive Awards shall include
         5/6 of the value of  Restricted  Stock granted in 1988 under the Unocal
         Corporation Long-Term Incentive Plan of 1985.

C.       Notwithstanding  the  foregoing,  in the event  that  more  than  three
         Incentive  Awards were included in the  calculation  of "Final  Average
         Monthly  Pay" under the Unocal  Retirement  Plan,  for  purposes of the
         calculation  of a benefit  under  this  Plan,  the  calculations  under
         Article II.A.2. above shall only include three annual Incentive Awards.
         For this purpose, Incentive Awards pro-rated for the same calendar year
         between two or more Qualifying Incentive Plans shall be deemed a single
         Incentive Award.

<PAGE>
Article III - Form and Time of Payment

A.       Benefits  under this Plan shall  commence  at the same time as benefits
         under the Unocal  Retirement Plan, except that benefits paid under this
         Plan in the Installment Payment Form shall commence on the date elected
         by the  Employee.  Benefits  under this Plan shall,  in addition to any
         limits  imposed  herein,  be  subject to the  provisions  of the Unocal
         Retirement  Plan,  except as  specifically  provided  otherwise by this
         Plan.

B.       An  eligible  Employee  may elect to receive  payments  under this Plan
         under  any  of  the  forms  of  payments  available  under  the  Unocal
         Retirement  Plan with  respect to all or any part of his or her benefit
         under this Plan. Such election shall also apply with respect to amounts
         payable  subsequent  to  retirement  when a  Incentive  Award  received
         subsequent to retirement results in an increased benefit hereunder.

C.       The  forms of  payment  under  this  Plan  shall be subject to the same
         terms,  conditions and actuarial  adjustments as are applicable to such
         forms under the Unocal Retirement Plan.

D.       Notwithstanding the foregoing,  an Employee may elect,  subject to such
         terms and conditions as the Company deems  appropriate,  to receive the
         'Lump Sum Cash Settlement"  amount, as determined above, in up to eight
         annual  installments.  No interest  shall accrue or be credited to such
         payments or amounts.

E.       An eligible  Employee may make a timely election of the form of payment
         of his or her benefits  under this Plan,  and may change such  election
         without penalty by making a subsequent timely election,  at any time at
         least one year prior to the Employee's retirement.

F.       If an Employee  does not make a timely  election of the form of payment
         of  benefits,  then  benefits  under  this  Plan will be paid as a life
         annuity if the Employee is not married, or as a 100% joint and survivor
         annuity  for the  Employee  and his Spouse if the  Employee is married,
         unless the Employee  makes an election  which is subject to a reduction
         of benefits under Article III.G. or III.H. below.

G.       An  eligible  Employee  may change his or her  election  of the form of
         payment of benefits under this Plan within one year before  retirement,
         subject to a 6% reduction of his or her benefit which will be forfeited
         to  the  Company  or  Employer,  or  may  change  such  election  after
         retirement and before commencement of payment of benefits, subject to a
         10%  reduction  of his or her benefit  which will be  forfeited  to the
         Company or Employer.

H.       After commencement of payment of benefits,  an Employee (or beneficiary
         who is receiving  payments)  may elect to receive his or her  remaining
         benefits  under  this  Plan in a lump  sum  payment,  subject  to a 10%
         reduction  of the lump sum  payment,  which  will be  forfeited  to the
         Company or Employer.

I.       The lump sum payment to an Employee under Article III.H.  (prior to the
         10% reduction),  except when the Employee was receiving  payments under
         the Installment  Payment Form, shall be equal to the difference between
         1. and 2.  below,  determined  as of the  commencement  date of benefit
         payments,  accumulated  to the date of the lump sum  payment  using the
         interest rate specified below.

1.       The lump sum value of the benefits  payable to the Employee as a single
         life annuity under this Plan determined as of the commencement  date of
         benefit payments.

2.       The lump sum  value of the  benefits  previously  paid to the  Employee
         under  this Plan  (based on the  actual  form of  payments,  unless the
         Employee was receiving payments under a Joint and Survivor Life Annuity
         Form and the  joint  annuitant  has  died,  in which  case the value of
         benefits  previously  paid shall be considered to be the benefits which
         would  have  been  paid  to the  Employee  as a  single  life  annuity)
         discounted to the commencement date of benefit payments.

         When an Employee was receiving  payments under the Installment  Payment
         Form, the lump sum payment to the Employee under Article III.H.  (prior
         to  the  10%  reduction)   shall  be  equal  to  the  remaining  unpaid
         installment payments, without interest.

         When a beneficiary of a deceased  participant  elects to receive a lump
         sum payment,  the amount of the lump sum payment shall be calculated in
         a similar manner.

                                       2
<PAGE>
         Lump sum payments  shall be valued using the interest  rate used by the
         Unocal  Retirement Plan to determine lump sum payments for the month in
         which  the  election  under  Section  III H above  is  received  by the
         Company.

J.       Within two years after a Change of Control,  the  reduction of benefits
         under Article III.G.  and III.H.  shall be 5%, in lieu of the 6% or 10%
         reduction which  otherwise  would apply.  For this purpose a "Change of
         Control"  shall have the same meaning as a "Change in Control Event" as
         such term is  defined  in the Unocal  Management  Incentive  Program of
         1998.

K.       The Unocal  Retirement  Plan Committee,  in its  discretion,  may waive
         reductions  in benefits  for changes in elections of form of payment of
         benefits or elections  to receive lump sum payments  which are due to a
         financial  hardship of the Employee (or the  Employee's  beneficiary if
         the Employee is deceased).

L.       If any provision of this Plan causes Plan benefits to be includable for
         federal  income tax  purposes in the gross  income of an  Employee  (or
         beneficiary)  prior to  actual  payment  of such Plan  benefits  to the
         Employee (or beneficiary),  the Company shall pay such Plan benefits to
         the  Employee  (or  beneficiary)  upon a  final  determination  to such
         effect,  notwithstanding  any  other  provision  of  this  Plan  to the
         contrary.

Article IV - Administration and Termination

A.       Union Oil  Company  of  California  shall  administer  the  Plan.  Such
         responsibilities  shall be carried out through its  corporate  officers
         and employees  acting in their capacities as officers and employees and
         not as fiduciaries.

B.       The  Board  of  Directors  may  terminate  or amend  any  or all of the
         provisions of or add provisions to this Plan at any  time.  However, no
         termination or amendment of this Plan  shall reduce or adversely affect
         (i) the benefit  then being paid under  this Plan,  or (ii) the benefit
         (including  optional  forms  of  benefit) that  an  Employee  would  be
         eligible to receive under this Plan in  the event that within ten years
         of the effective  date of the  termination or amendment of this Plan he
         or she retires  with an immediate  retirement  benefit under the Unocal
         Retirement  Plan or dies.  After a Change of Control,  the Plan may not
         be  amended  to  eliminate  or  modify  the  right of an  Employee  (or
         beneficiary)  to  receive a lump  sum  payment  of his or her  benefits
         pursuant to Article III.

C.       No  Employee,  beneficiary  or joint  annuitant  may assign,  transfer,
         hypothecate, encumber, commute or anticipate his or her interest in any
         benefits under this Plan. Interests and payments under this Plan are to
         be free from voluntary or involuntary assignment, and judicial levy and
         execution to the full extent permissible under applicable law.

D.       Payments  under this Plan shall be made from the  general  funds of the
         Company or an Employer or from a grantor  (rabbi) trust  established by
         the  Company  or Union Oil  Company  of  California,  unless  otherwise
         provided for by the Board of Directors.

E.       The Unocal  Retirement  Plan Committee of the Board of Directors  shall
         have sole discretion  regarding  interpretation of this Plan and making
         factual  determinations.  Unless defined below or otherwise  indicated,
         capitalized or quoted  materials  refer to the meanings and definitions
         under the Unocal  Retirement  Plan.  Any questions that arise as to the
         rights to any benefits under this Plan or as to the  interpretation  of
         any of its provisions shall be determined by said Committee.

F.       Nothing  in this Plan  shall  give any  person a right to remain in the
         employment  of the  Employer  or affect  the right of the  Employer  to
         terminate the  employment  of an Employee at any time,  with or without
         cause.

G.       Any  controversy  or claim  arising  out of  or relating  to  this Plan
         shall be settled by binding  arbitration in Los Angeles, California, in
         accordance  with  the  Commercial  Arbitration  Rules  of the  American
         Arbitration  Association.   The   parties  shall  seek  to  agree  upon
         appointment of the arbitrator and  the arbitration  procedures.  If the
         parties are unable to reach such  agreement, a single arbitrator who is
         a retired  judge of  a  Federal  or  California  state  court  shall be
         appointed  pursuant  to the AAA Commercial  Arbitration  Rules, and the
         arbitrator  shall  determine  the  arbitration   procedures.  Any award
         pursuant to such  arbitration  shall be included  in a written decision
         which shall state the legal and  factual  reasons   upon with the award
         was based,  including all the elements  involved  in the calculation of
         any award. Any such award shall be deemed final  and binding and may be
         entered  and  enforced  in any  state or   federal  court of  competent
         jurisdiction.  The arbitrator  shall  interpret the Plan in  accordance
         with the laws of  California.  The  arbitrator  shall  be authorized to
         award reasonable attorney's fees  and other  arbitration-related  costs
         to a  Participant  or his or  her  beneficiary  if an  award is made in
         favor of the Participant or  beneficiary. The award shall be limited to
         Plan   benefits   at    issue,    reasonable    attorney's   fees   and
         arbitration-related costs.

                                       3
<PAGE>
H.       The Plan shall not be terminated by a transfer or sale of assets of the
         Company or by the merger or  consolidation  of the Company into or with
         any other  corporation or other entity.  The Plan shall be binding upon
         and inure to the benefit of any successor of the Company.

Article V - Definitions

A.       Board of Directors - The Board of Directors of Unocal Corporation.

B.       Code - The Internal Revenue Code of 1986 as amended from time to time.

C.       Company - Unocal Corporation.

D.       Employee - A person who is in the employment of an Employer on or after
         the effective date of this Plan.

E.       Employer - Unocal Corporation,  Union Oil Company of California and any
         other subsidiary or affiliate of the Company so designated by the Board
         of Directors.

F.       ERISA - The Employee Retirement Income Security Act of 1974, as amended
         from time to time.

G.       Plan  -  Unocal  Supplemental  Retirement   Plan   For  Key  Management
         Personnel.

H.       Qualifying   Incentive   Plan  means  the  Unocal   Revised   Incentive
         Compensation Plan, the Unocal Global Trade Trader and Support Incentive
         Plan and the New Ventures Incentive Compensation Program.

I.       Qualifying   Incentive  Plan  Award  means  an  annual  award  under  a
         Qualifying  Incentive Plan other than awards which are team, project or
         special awards.

J.       Law - The Plan shall be governed by and  construed in  accordance  with
         the laws of the State of California.

K.       Effective  Date - This Plan shall apply to Employees  whose  separation
         from  service  date is on or  after  January  1,  1998.  The  Plan,  as
         previously  in  effect,  shall  continue  to  apply  to  Employees  who
         separated from service prior to January 1, 1998.

                                       4

s                                                                   EXHIBIT 10.4

               AMENDMENTS TO THE DIRECTORS' RESTRICTED STOCK PLAN


A.       Section 7 of the Plan (Restrictions and Forfeiture) is further  amended
         to read in its entirety as follows:

         "7.      Restrictions, Distributions and Forfeitures.

         Restricted  Stock Units issued under the Plan shall have a  Restriction
         Period  beginning  on the Date of Grant under  Section 5 or the date of
         the annual deferral  election,  whichever is applicable,  and ending on
         the date five years  thereafter  or the date of the  Holder's  death or
         disability or the  expiration of the term of a  Holder/Director  who is
         not  nominated by the Board of  Directors of the Company (the  "Board")
         for  reelection  (other than because of a dismissal  for cause) or who,
         having  stood for  reelection  is not  reelected  by the  stockholders,
         whichever  first  occurs.  For this  purpose,  the  date of the  annual
         deferral  election  means the first  date of the  period for which such
         deferral is elected.  Notwithstanding  any other provision of the Plan,
         no shares shall be delivered prior to six months from the date of grant
         of Restricted Stock Units. If the Restriction Period has lapsed and the
         Stock is otherwise deliverable hereunder,  the Stock shall be delivered
         upon the  expiration of the six-month  period.  Restricted  Stock Units
         shall be subject to the following additional terms and conditions:

         a. The Holder of  Restricted  Stock  Units  shall  be  entitled  to the
            delivery of a stock certificate or certificates upon the later of:

            (i)  the end of the Restriction Period; or

            (ii)  the  end  of the  applicable  deferral period  selected by the
                  Director (the "Deferral Period")from alternatives and on forms
                  approved  by the  Board and by the Management Committee.

         b. Except as  otherwise  provided  in  paragraph c of   this Section 7,
            Restricted Stock Units and rights associated  therewith as to  which
            the  Restriction  Period  has not ended  shall be entirely forfeited
            in the event  that  during  the  applicable  Restriction  Period  in
            respect of those Restricted Stock Units the Holder:

           (i)  Is dismissed for cause by the Board;

           (ii)  Resigns other than For Good Cause;

           (iii)  Refuses other than For Good Cause to stand for election to the
                  Board.

                  "For Good Cause" as used herein  shall  include for reasons of
                  personal  health  or  health  of  family  members,   to  avoid
                  conflicts of interest, as a result of increased family demands
                  or business demands of a directors'  employer,  as a result of
                  accepting  government or community  service,  as a result of a
                  change  in area of  residence,  or as a result  of a  material
                  increase in the time  required or projected to be required for
                  service on the Board.

          c. If there  has been a  Change  in  Control(as  defined  below),  the
             Holder's resignation or refusal to stand  for  an  election  to the
             Board, within two years  after the  Change  in  Control,  shall not
             result in a   forfeiture under Section 7.b. In such  circumstances,
             the Stock shall   be distributed at the end of the Deferral Period.
             
             For purposes of the Plan,  a  Change  in  Control  means any of the
             following:

           (i) Consummation   of   a   merger   or   consolidation,   or   other
               reorganization,  with   or into one or more entities that are not
               subsidiaries or other controlled affiliates, as a result of which
               less  than  50%  of  the  outstanding  voting  securities  of the
               surviving    or    resulting    entity  immediately   after   the
               reorganization are, or will be, owned,  directly  or  indirectly,
               by    stockholders    of    the  Company  immediately before such
               reorganization  (assuming for purposes of suchdetermination  that
               there  is  no  change  in  the record  ownership of the Company's
               securities  from  the  record  date  for such approval until such
               reorganization  and that such record owners hold no securities of
               the  other   parties  to  such   reorganization,   but  including
               in such determination any securities of the other parties to such
               reorganization   held   by   subsidiaries  or   other  controlled
               affiliates of the Company).


<PAGE>
           (ii)  Consummation    of   the   sale   of substantially  all  of the
                 Company's business and/or assets to a person or  entity that is
                 not a subsidiary or other  controlled affiliate.

           (iii) The  acquisition  by any  "person" (as such term is used in
                 Sections 13(d) and 14(d)of the Securities Exchange Act of 1934,
                 as  amended (the "Exchange  Act"),  but  excluding  any  person
                 described  in and satisfying the conditions of Rule 13d-1(b)(1)
                 thereunder), other  than  a  subsidiary  or   other  controlled
                 affiliate and other than an employee  benefit plan sponsored by
                 the Company or any of its subsidiaries or controlled affiliates
                 , of  beneficial ownership  (as defined in Rule 13d-3 under the
                 Exchange   Act,  and  except   pursuant to   customary forms of
                 revocable  proxies used in connection  with annual  meetings of
                 shareholders),  directly  or  indirectly,  of securities of the
                 Company  representing more than 50%  of  the  combined   voting
                 power  of  the  Company's  then outstanding securities entitled
                 to then vote  generally  in the election  of  directors  of the
                 Company.

           (iv)  During any period  not  longer  than two    consecutive  years,
                 individuals  who at the beginning of  such  period  constituted
                 the Board cease to  constitute at least a    majority  thereof,
                 unless the  election,  or the nomination  for  election by the
                 Company's  stockholders,  of each new member of  the Board was
                 approved by a vote of at least  three-fourths of the members of
                 the Board then still in office who were members of the Board at
                 the  beginning of such period  (including  for these  purposes,
                 new members whose election or nomination was so approved).

         d.  If the  Holder  ceases  to be a  Director  of the  Company prior to
             the end of the Restriction Period for reasons that do not result in
             a forfeiture event under Section 7.b, the Holder shall be  entitled
             to  payment  in  respect  of  Restricted  Stock  Units then held as
             provided in Section 7.a.

         e.  With respect to any  deferral  election in  respect  of  Restricted
             Stock Units made prior to June 1, 1998 [the effective date of these
             amendments], the risk of forfeiture under Section 7.b. shall expire
             no later than the end of the Restriction Period as defined  in  the
             first sentence of this Section 7.

         f.  The Holder may elect,  provided  such  election is  made  while the
             Holder continues to serve as a Director and prior to  July 1, 1998,
             to change a deferral  election  authorized hereunder to extend (but
             not shorten) the Deferral Period, to the extent consistent with the
             other terms of this  Section 7. Such change shall be effective  one
             year after the change is received by the Company.

         g.  Restricted  Stock  currently  outstanding  under  this Plan  may be
             exchanged  pursuant to an election  received by the  Company  on or
             prior  to July 1, 1998 for  Restricted  Stock Units under this Plan
             with the terms and  conditions  as to the  Restriction Period as if
             initially  granted or issued as Restricted  Stock Units  hereunder,
             and with the same terms and conditions as to time of payment,  once
             vested, as  would  apply to  Restricted  Stock  Units as to which a
             Holder   had     elected  a  Deferral  Period  equal to any  longer
             Restriction  Period  applicable to the Restricted Stock immediately
             prior to the exchange.

          B.      Section 12 of the Plan  (Changes in Capital  Structure)  is
                  amended  to insert in the first  sentence  after the phrase
                  "as  to  the  number  of  Restricted   Stock  Units",   the
                  following:

                           "and as to the type and  amount  of  shares  or other
                  securities or property  deliverable  in payment of rights with
                  respect  to  the   Restricted   Stock  Units  based  upon  the
                  distribution or consideration payable to holders of Stock upon
                  or in respect of such event,..."

                  and to insert at the end of the first sentence, the following:

                  "; or in anticipation of a dissolution of the Company so as to
                  enable the Holder to participate  with other  stockholders  in
                  any   distribution  in  connection  with  the  dissolution  or
                  liquidation  of the  Company.  Any right in respect of cash or
                  any  equivalent  into  which  the  Stock  may be or have  been
                  converted  as a result of such event shall  include a right to
                  monthly  interest  credits  based upon 120% of the  applicable
                  federal long-term rate."

                  and  to  add  the  words  "Restricted  Stock or"  before  each
                  reference to Restricted Stock Units in Section 12.

                                       2

                                                                    EXHIBIT 10.5

                           UNOCAL EMPLOYMENT AGREEMENT

         This  employment  agreement (the  "Agreement")  is made effective as of
July 28, 1998 by and between Unocal  Corporation,  a Delaware  corporation  (the
"Company") and Roger C. Beach, Chief Executive Officer and Chairman of the Board
of Directors ("Employee").

         In  consideration  of the  mutual  promises  and  agreements  set forth
herein, the Company and Employee agree as follows:

1.       Term.

         1.1 The term of this  Agreement (the "Term") shall commence on July 28,
1998 and shall be for three years,  subject to earlier termination in accordance
with the  provisions  of Section 4  hereinbelow.  If the  Agreement has not been
subject to early  termination  in  accordance  with the  provisions of Section 4
hereinbelow,  beginning  on July 28, 1998 and on each day  thereafter,  the Term
shall  automatically  be  extended  for an  additional  day unless  the  Company
notifies  Employee in writing that it does not wish to further  extend the Term.
Notwithstanding  the  foregoing,  this  Agreement  shall end  automatically  and
without  additional  notice  on the  date of the  Company's  Annual  Meeting  of
Shareholders  that  next  follows  the  date of  Employee's  sixty-fifth  (65th)
birthday.

2.       Position and Title.

         2.1 The Company on behalf of itself and its affiliates and subsidiaries
hereby employs  Employee as Chief Executive  Officer and Employee hereby accepts
such employment.

         2.2 Employee  shall devote  substantially  all of his efforts on a full
time basis to the  business  and  affairs of the Company and shall not engage in
any business or perform any services in any capacity  whatsoever  adverse to the
interests of the Company.

         2.3 Employee shall at all times faithfully,  industriously,  and to the
best of his ability,  experience,  and talents, perform all of the duties of his
position.

3.       Compensation.

         3.1 As of the date of this Agreement,  Employee's annual base salary is
$860,004.  Employee's base salary and performance shall be reviewed periodically
at intervals approved by the Management  Development and Compensation  Committee
of the Board of Directors of the Company (the "Committee"),  and Employee's base
salary  may be  increased  from  time to  time  based  on  merit  or such  other
consideration as the Committee may deem appropriate.

         3.2 During the Term, Employee shall participate in all of the Company's
incentive  plans,  benefit  plans and  perquisites,  and in any new or successor
incentive plans,  benefit plans and perquisites,  that are generally provided to
executives of the Company with a level of responsibility  and stature comparable
to  Employee.   Performance  goals,  award  opportunity,   benefit  levels,  and
administrative guidelines for such plans shall be subject to review and approval
by the Committee.

4.       Termination of Employment.

         4.1 During the Term,  the Company may terminate  Employee's  employment
herein at any time for Cause or as a result of a material  breach by Employee of
his obligations under this Agreement,  provided however that, except in the case
of conviction of a felony, the Company shall provide Employee with not less than
sixty (60) days prior written notice describing the behavior or conduct which is
alleged by the Company to constitute  Cause, and Employee shall be provided with
reasonable  opportunity  to correct such  behavior or conduct  within the notice
period. For purposes of this Agreement,  Cause shall be defined as any or all of
the following:

         (1) Conduct or action by Employee which, in the opinion  of a  majority
             of the Board of Directors, is materially harmful to the Company;


<PAGE>
         (2)      Willful  failure by  Employee to follow an order of the Board,
                  except in such case where the Employee  believes in good faith
                  that following  such order would be materially  detrimental to
                  the interests of the Company;

         (3)      Employee's conviction of a felony.

         4.2 In the  event  that  Employee's  employment  is  terminated  by the
Company for any reason other than those set forth in Paragraph 4.1  hereinabove,
or, (a)  Employee's  annual  base salary is reduced  below the amount  stated in
Paragraph 3.1 hereinabove  (unless such reduction is part of an across the board
reduction   affecting  all  Company   executives  with  a  comparable  level  of
responsibility,  title or  stature),  or (b)  Employee is removed from or denied
participation  in incentive  plans,  benefit  plans,  or  perquisites  generally
provided  by the  Company  to  other  executives  with  a  comparable  level  of
responsibility,   title  or  stature,   or  (c)  Employee's   target   incentive
opportunity,  benefits or perquisites are reduced  relative to other  executives
with comparable  responsibility,  title or stature,  or (d) Employee is assigned
duties or  obligations  inconsistent  with his position  with the Company or (e)
There is a significant change in the nature and scope of Employee's authority or
his overall  working  environment,  such event shall be considered a Termination
Without Cause.

         4.3      In the event of Employee's  Termination  Without Cause at any
                  time during the Term of this  Agreement, then:

         (1)      The Company  shall pay  Employee a lump-sum  severance  amount
                  within thirty (30) days  following  Termination  Without Cause
                  equal to three  (3)  times  the sum of (a) the  higher  of the
                  Employee's  annual  base  salary  at the  time of  Termination
                  Without  Cause or the annual base salary  stated in  Paragraph
                  3.1  hereinabove,  and (b) the average  annual Bonus earned by
                  Employee  (whether  paid  in  cash  or  deferred)  for the two
                  completed  fiscal  years   immediately  prior  to  Termination
                  Without  Cause,  reduced by the amount of any Unocal  Employee
                  Redeployment  Program  and/or  Unocal  Termination   Allowance
                  benefits payable to Employee.

         (2)      The Company  shall  provide for  Employee to receive  medical,
                  dental,  life, and disability insurance coverage for three (3)
                  years following  Termination Without Cause at levels and a net
                  cost to  Employee  comparable  to that  provided  to  Employee
                  immediately prior to Employee's Termination Without Cause.

         (3)      The  Company  shall  pay  Employee  an   additional   lump-sum
                  severance amount within thirty (30) days following  Employee's
                  Termination  Without  Cause  equal to three (3) times the base
                  salary used to  determine  the lump-sum  severance  benefit in
                  paragraph 4.3(1) hereinabove, multiplied by 6% (.06).

         4.4 In the event that during the Term of this Agreement Employee should
voluntarily  resign  from the  Company,  should  terminate  employment  with the
Company due to death,  permanent disability or incapacitation,  or is terminated
by the Company for Cause or for a material breach by Employee of his obligations
under  this  Agreement,  then  Employee  shall  not  be  entitled  to any of the
termination benefits provided for in Paragraph 4.3 hereinabove,  and the Term of
the Agreement shall immediately end.

         4.5 Employee  shall not be obligated to seek other  employment  or take
any other action by way of mitigation of the amounts  payable to Employee  under
any provisions of this Agreement.

5.       Change of Control.

         5.1      In the event of a Change of Control  of the  Company  at  any 
time  during the Term of this  Agreement, then:

                                       2
<PAGE>
          (1)  In the event of  Employee's  Termination  Without  Cause within a
               period of thirty-six  (36) months  following the date of a Change
               of  Control,  Employee  shall  be  entitled  to  the  termination
               benefits  described in Paragraph 4.3  hereinabove;  provided that
               the  lump-sum  severance  amount  paid  to  Employee  under  this
               Paragraph 5.1(1),  which is calculated based on Paragraphs 4.3(1)
               and 4.3(3) hereinabove, shall be (a) reduced to equal the present
               value,  determined in accordance  with Section  280G(d)(4) of the
               Internal  Revenue  Code (the "IRC"),  of the  lump-sum  severance
               amount which would otherwise be payable under  Paragraphs  4.3(1)
               and  4.3(3),  and (b)  reduced to offset  compensation  and other
               earned  income  by  Employee  in  the  manner   provided  for  in
               Paragraphs 5.1(2) and 5.1(3) below.

          (2)  The  lump-sum   severance   amounts  payable  to  Employee  under
               Paragraphs  4.3(1)  and 4.3(3)  shall be  reduced by one  hundred
               percent  (100%)  of any  compensation  and  other  earned  income
               (within the meaning of Section  911(d)(2)(A) of the IRC) which is
               earned by Employee for  services  rendered to persons or entities
               other than the Company or its  affiliates  during the three years
               immediately following Employee's Termination Without Cause.

          (3)  Not  less  frequently  than  annually   beginning  on  the  first
               anniversary  following  Employee's   Termination  Without  Cause,
               Employee  shall  account  to  the  Company  with  respect  to all
               compensation  and other earned income earned by Employee which is
               required  hereunder to be offset  against the lump-sum  severance
               amount  received by Employee  from the Company  under  Paragraphs
               5.1(1) and 5.1(2).  If the Company has paid a lump-sum  severance
               amount in excess of the  amount  to which  Employee  is  entitled
               (after giving effect to the offsets provided for above), Employee
               shall  reimburse  the Company for such excess  within thirty (30)
               days  of the  determination  of  such  excess.  The  requirements
               imposed under this Paragraph  5.1(3) shall terminate  thirty (30)
               days immediately  following the second  anniversary of Employee's
               Termination Without Cause.

         5.2 For the  purpose of this  Agreement,  a "Change of  Control"  shall
mean:

         (a) The  acquisition  by any  individual,  entity or group  (within the
meaning of Section 13(d)(3) or 14(d)(2) of the Securities  Exchange Act of 1934,
as amended (the "Exchange Act")(a "Person") of beneficial  ownership (within the
meaning  of Rule 13d-3  promulgated  under the  Exchange  Act) of 20% or more of
either  (i) the then  outstanding  shares of common  stock of the  Company  (the
"Outstanding  Company  Common  Stock") or (ii) the combined  voting power of the
then outstanding  voting securities of the Company entitled to vote generally in
the  election  of  directors  (the  "outstanding  Company  Voting  Securities");
provided,  however,  that for purposes of this  subsection  (a),  the  following
acquisitions  shall not  constitute  a Change of  Control:  (i) any  acquisition
directly  from the  Company,  (ii) any  acquisition  by the  Company,  (iii) any
acquisition  by an  employee  benefit  plan  (or  related  trust)  sponsored  or
maintained by the Company or any  corporation  controlled by the Company or (iv)
any acquisition by any corporation pursuant to a transaction which complies with
clauses (i), (ii) and (iii) of subsection (c) of this Section 5.2; or

         (b) Individuals  who, as of the date hereof,  constitute the Board (the
"Incumbent Board") cease for any reason to constitute at least a majority of the
Board; provided,  however, that any individual becoming a director subsequent to
the date hereof whose  election,  or  nomination  for election by the  Company's
shareholders,  was  approved by a vote of at least a majority  of the  directors
then  comprising  the  Incumbent  Board  shall  be  considered  as  though  such
individual  were a  member  of the  Incumbent  Board,  but  excluding,  for this
purpose,  any such  individual  whose  initial  assumption of office occurs as a
result of an actual or threatened  election contest with respect to the election
or removal of directors or other actual or threatened solicitation of proxies or
consents by or on behalf of a Person other than the Board; or

                                       3
<PAGE>
         (c) Consummation of a  reorganization,  merger or consolidation or sale
or other disposition of all or substantially all of the assets of the Company or
the acquisition of assets of another corporation (a "Business Combination"),  in
each case, unless, following such Business Combination, (i) all or substantially
all  of  the   individuals   and  entities  who  were  the  beneficial   owners,
respectively,  of the Outstanding  Company Common Stock and Outstanding  Company
Voting Securities  immediately prior to such Business  Combination  beneficially
own,  directly  or  indirectly,  more  than  50%  of,  respectively,   the  then
outstanding  shares of common  stock and the  combined  voting power of the then
outstanding  voting  securities  entitled to vote  generally  in the election of
directors,  as the case may be, of the corporation  resulting from such Business
Combination (including,  without limitation,  a corporation which as a result of
such transaction  owns the Company or all or substantially  all of the Company's
assets either directly or through one or more subsidiaries) in substantially the
same  proportions  as  their  ownership,  immediately  prior  to  such  Business
Combination  of the  Outstanding  Company Common Stock and  Outstanding  Company
Voting Securities, as the case may be, (ii) no Person (excluding any corporation
resulting  from such  Business  Combination  or any  employee  benefit  plan (or
related trust) of the Company or such  corporation  resulting from such Business
Combination)  beneficially  owns,  directly  or  indirectly,  20%  or  more  of,
respectively,  the then  outstanding  shares of common stock of the  corporation
resulting  from such Business  Combination  or the combined  voting power of the
then outstanding voting securities of such corporation except to the extent that
such ownership  existed prior to the Business  Combination  and (iii) at least a
majority of the members of the board of directors of the  corporation  resulting
from such Business  Combination  were members of the Incumbent Board at the time
of the  execution  of the  initial  agreement,  or of the  action of the  Board,
providing for such Business Combination; or

         (d)  Approval  by  the  shareholders  of  the  Company  of  a  complete
liquidation or dissolution of the Company.

         5.3   Certain Additional Payments by the Company may be due as follows:

         (a)  Anything in this  Agreement to the  contrary  notwithstanding  and
except as set forth below,  in the event it shall be determined that any payment
or  distribution  by the Company or its  affiliates to or for the benefit of the
Employee  (whether paid or payable or distributed or  distributable  pursuant to
the terms of this  Agreement or otherwise but  determined  without regard to any
additional  payments  required  under this Section 5.3), (a "Payment")  would be
subject to the excise tax imposed by Section 4999 of the Code or any interest or
penalties  are  incurred by the  Employee  with respect to such excise tax (such
excise tax,  together  with any such  interest and  penalties,  are  hereinafter
collectively  referred  to as the  "Excise  Tax"),  then the  Employee  shall be
entitled to receive an  additional  payment (a "Gross-Up  Payment") in an amount
such that after payment by the Employee of all taxes  (including any interest or
penalties imposed with respect to such taxes),  including,  without  limitation,
any income taxes (and any interest and penalties  imposed with respect  thereto)
and Excise Tax imposed upon the Gross-Up Payment, the Employee retains an amount
of the  Gross-Up  Payment  equal to the Excise Tax  imposed  upon the  Payments.
Notwithstanding  the  foregoing  provisions  of this Section 5.3, if it shall be
determined  that the  Employee is entitled to a Gross-Up  Payment,  but that the
Payments do not exceed 110% of the greatest  amount (the "Reduced  Amount") that
could be paid to the Employee  such that the receipt of Payments  would not give
rise to any Excise Tax,  then no Gross-Up  Payment shall be made to the Employee
and the Payments, in the aggregate, shall be reduced to the Reduced Amount.

         (b) Subject to the  provisions of Section  5.3(c),  all  determinations
required  to be made  under  this  Section  5.3,  including  whether  and when a
Gross-Up  Payment is required  and the amount of such  Gross-Up  Payment and the
assumptions to be utilized in arriving at such  determination,  shall be made by
Ernst  and  Young  or such  other  certified  public  accounting  firm as may be
designated by the Employee (the "Accounting  Firm") which shall provide detailed
supporting  calculations both to the Company and the Employee within 15 business
days of the receipt of notice from the  Employee  that there has been a Payment,
or such  earlier  time as is  requested  by the  Company.  In the event that the
Accounting Firm is serving as accountant or auditor for the  individual,  entity
or group  effecting the Change of Control,  the Employee  shall appoint  another
nationally  recognized  accounting  firm to  make  the  determinations  required
hereunder  (which  accounting  firm shall then be referred to as the  Accounting
Firm  hereunder).  All fees and expenses of the  Accounting  Firm shall be borne
solely by the Company.  Any Gross-Up  Payment,  as  determined  pursuant to this
Section 5.3,  shall be paid by the Company to the  Employee  within five days of
the receipt of the Accounting  Firm's  determination.  Any  determination by the
Accounting Firm shall be binding upon the Company and the Employee.  As a result
of the uncertainty in the application of Section 4999 of the Code at the time of
the initial determination by the Accounting Firm hereunder,  it is possible that
Gross-Up  Payments which will not have been made by the Company should have been
made  ("Underpayment"),  consistent  with the  calculations  required to be made
hereunder.  In the event that the  Company  exhausts  its  remedies  pursuant to
Section 5.3(c) and the Employee  thereafter is required to make a payment of any
Excise Tax, the Accounting Firm shall  determine the amount of the  Underpayment
that has  occurred  and any such  Underpayment  shall  be  promptly  paid by the
Company to or for the benefit of the Employee.

                                       4
<PAGE>
         (c) The  Employee  shall  notify the Company in writing of any claim by
the Internal  Revenue Service that, if successful,  would require the payment by
the Company of the Gross-Up Payment. Such notification shall be given as soon as
practicable  but no later than ten business  days after the Employee is informed
in  writing of such claim and shall  apprise  the  Company of the nature of such
claim and the date on which such claim is  requested  to be paid.  The  Employee
shall not pay such claim prior to the expiration of the 30-day period  following
the date on which it gives such notice to the Company  (or such  shorter  period
ending on the date that any payment of taxes with respect to such claim is due).
If the Company  notifies the Employee in writing prior to the expiration of such
period that it desires to contest such claim, the Employee shall:

         (i)  give  the Company  any  information reasonably  requested  by  the
Company relating to such claim,

         (ii) take such action in connection  with  contesting such claim as the
Company  shall  reasonably  request  in  writing  from time to time,  including,
without limitation, accepting legal representation with respect to such claim by
an attorney reasonably selected by the Company,

         (iii) cooperate with the Company in good faith in order  effectively to
contest such claim, and

         (iv) permit  the  Company to participate in any proceedings relating to
 such claim;

provided,  however,  that the Company  shall bear and pay directly all costs and
expenses  (including  additional  interest and penalties) incurred in connection
with such  contest and shall  indemnify  and hold the Employee  harmless,  on an
after-tax  basis,  for any  Excise  Tax or income tax  (including  interest  and
penalties with respect thereto) imposed as a result of such  representation  and
payment of costs and expenses. Without limitation on the foregoing provisions of
this  Section  5.3(c),  the  Company  shall  control  all  proceedings  taken in
connection  with such contest  and, at its sole option,  may pursue or forgo any
and all administrative appeals,  proceedings,  hearings and conferences with the
taxing  authority in respect of such claim and may, at its sole  option,  either
direct the  Employee  to pay the tax claimed and sue for a refund or contest the
claim in any  permissible  manner,  and the Employee  agrees to  prosecute  such
contest to a determination  before any  administrative  tribunal,  in a court of
initial  jurisdiction and in one or more appellate  courts, as the Company shall
determine;  provided,  however,  that if the Company directs the Employee to pay
such claim and sue for a refund,  the Company  shall  advance the amount of such
payment to the Employee,  on an interest-free basis and shall indemnify and hold
the Employee harmless,  on an after-tax basis, from any Excise Tax or income tax
(including  interest or penalties with respect  thereto) imposed with respect to
the such  advance or with  respect to any imputed  income  with  respect to such
advance;  and further  provided that any extension of the statute of limitations
relating to payment of taxes for the taxable year of the  Employee  with respect
to which such  contested  amount is claimed to be due is limited  solely to such
contested  amount.  Furthermore,  the Company's  control of the contest shall be
limited to issues  with  respect to which a  Gross-Up  Payment  would be payable
hereunder and the Employee  shall be entitled to settle or contest,  as the case
may be, any other  issue  raised by the  Internal  Revenue  Service or any other
taxing authority.

         (d) If, after the receipt by the Employee of an amount  advanced by the
Company pursuant to Section 5.3(c), the Employee becomes entitled to receive any
refund with respect to such claim,  the Employee shall (subject to the Company's
employing with the  requirements  of Section 5.3 promptly pay to the Company the
amount of such refund (together with any interest paid or credited thereon after
taxes  applicable  thereto).  If, after the receipt by the Employee of an amount
advanced by the Company pursuant to Section 5.3(c), a determination is made that
the Employee  shall not be entitled to any refund with respect to such claim and
the  Company  does not notify the  Employee  in writing of its intent to contest
such  denial  of  refund  prior  to  the   expiration  of  30  days  after  such
determination,  then such advance shall be forgiven and shall not be required to
be repaid and the amount of such advance  shall offset,  to the extent  thereof,
the amount of Gross-Up Payment required to be paid.

6.       Covenants.

         6.1  Employee  agrees  that  any  and  all  confidential  knowledge  or
information,  including but not limited to customer lists, books, records, data,
formulae,  specifications,  inventions,  processes and methods, and developments
and  improvements,  which have been or may be obtained or learned by Employee in
the course of his  employment  with the Company,  will be held  confidential  by
Employee, and that Employee shall not disclose the same to any person outside of
the  Company  either  during  his  employment  with the  Company  or  after  his
employment by the Company has terminated.

         6.2 Employee  agrees that upon  termination of his employment  with the
Company he will  immediately  surrender  and turn over to the Company all books,
records,  forms,  specifications,  formulae,  data,  and all papers and writings
relating to the business of the Company and all other property  belonging to the
Company,  it being  understood and agreed that the same are the sole property of
the Company and that Employee shall not make or retain any copies thereof.

                                       5
<PAGE>
         6.3 Employee agrees that all  inventions,  developments or improvements
which he has made or may make, conceive,  invent,  discover or otherwise acquire
during his employment with the Company in the scope of his  responsibilities  or
otherwise shall become the sole property of the Company.

         6.4 Employee  agrees to provide a release of any claims with respect to
termination  of his or her  employment  on such form as requested by the Company
upon payment of the sums provided in Section 4.3 above.

7.       Miscellaneous Provisions.

         7.1 All terms and  conditions  of this  Agreement are set forth herein,
and there are no warranties,  agreements or understandings,  express or implied,
except those expressly set forth herein.

         7.2 Any  modification  to  this  Agreement  shall  be  binding  only if
evidenced in writing signed by all parties hereto.

         7.3 Any notice or other communication required or permitted to be given
hereunder shall be deemed properly given if personally delivered or deposited in
the United States mail,  registered or certified and postage prepaid,  addressed
to the Company at 2141 Rosecrans  Ave.,  Suite 4000, El Segundo,  CA (Attention:
General Counsel),  or to Employee at his or her most recent home address on file
with Company,  or at other such addresses as may from time to time be designated
in writing by the respective parties.

         7.4 The laws of the State of  California  shall  govern the validity of
this Agreement,  the  construction of its terms, and the  interpretation  of the
rights and duties of the parties involved.

         7.5 In the event that any one or more of the  provisions  contained  in
this  Agreement  shall  for  any  reason  be  held  to be  invalid,  illegal  or
unenforceable,  the same shall not affect any other provision of this Agreement,
but  this  Agreement  shall  be  construed  as  if  such  invalid,   illegal  or
unenforceable provisions had never been contained herein.

         7.6 This Agreement  shall be binding upon, and inure to the benefit of,
the  successors  and assigns of the Company  and the  personal  representatives,
heirs and legatees of Employee.

         7.7 "Bonus"  refers to the Unocal  Incentive Compensation  Plan and any
replacement or successor  plan thereof.

         7.8 Company shall pay 90% (ninety percent) of Employee's  out-of-pocket
litigation expenses,  including  reasonable  attorney's fees, in connection with
any judicial  proceeding to enforce this  Agreement or construe or determine the
validity of this  Agreement,  whether or not the Employee is  successful in such
proceeding.

         7.9 The  term  "Company"  shall  include  with  respect  to  employment
hereunder,  any  subsidiary or affiliate of the Company as well as any successor
employer following a Change in Control.

         7.10 This  Agreement  succeeds  and  replaces  that  Unocal  Employment
Agreement which was effective December 8, 1997 between Company and Employee.


IN WITNESS WHEREOF, the parties have executed this Agreement effective as of the
date first above written.

BY:
         Chairman of the Management Development and
         Compensation Committee of the Unocal
         Board of Directors

BY:
         EMPLOYEE

                                       6

                                                                    EXHIBIT 10.6

                           UNOCAL EMPLOYMENT AGREEMENT

         This  employment  agreement (the  "Agreement")  is made effective as of
July 28, 1998 by and between Unocal  Corporation,  a Delaware  corporation  (the
"Company") and John F. Imle, Jr., President ("Employee").

         In  consideration  of the  mutual  promises  and  agreements  set forth
herein, the Company and Employee agree as follows:

1.       Term.

         1.1 The term of this  Agreement (the "Term") shall commence on July 28,
1998 and shall be for three years,  subject to earlier termination in accordance
with the  provisions  of Section 4  hereinbelow.  If the  Agreement has not been
subject to early  termination  in  accordance  with the  provisions of Section 4
hereinbelow,  beginning  on July 28, 1998 and on each day  thereafter,  the Term
shall  automatically  be  extended  for an  additional  day unless  the  Company
notifies  Employee in writing that it does not wish to further  extend the Term.
Notwithstanding  the  foregoing,  this  Agreement  shall end  automatically  and
without  additional  notice  on the  date of the  Company's  Annual  Meeting  of
Shareholders  that  next  follows  the  date of  Employee's  sixty-fifth  (65th)
birthday.

2.       Position and Title.

         2.1 The Company on behalf of itself and its affiliates and subsidiaries
hereby  employs  Employee  as  President,   and  Employee  hereby  accepts  such
employment.

         2.2 Employee  shall devote  substantially  all of his efforts on a full
time basis to the  business  and  affairs of the Company and shall not engage in
any business or perform any services in any capacity  whatsoever  adverse to the
interests of the Company.

         2.3 Employee shall at all times faithfully,  industriously,  and to the
best of his ability,  experience,  and talents, perform all of the duties of his
position.

3.       Compensation.

         3.1 As of the date of this Agreement,  Employee's annual base salary is
$525,000.  Employee's base salary and performance shall be reviewed periodically
at intervals approved by the Management  Development and Compensation  Committee
of the Board of Directors of the Company (the "Committee"),  and Employee's base
salary  may be  increased  from  time to  time  based  on  merit  or such  other
consideration as the Committee may deem appropriate.

         3.2 During the Term, Employee shall participate in all of the Company's
incentive  plans,  benefit  plans and  perquisites,  and in any new or successor
incentive plans,  benefit plans and perquisites,  that are generally provided to
executives of the Company with a level of responsibility  and stature comparable
to  Employee.   Performance  goals,  award  opportunity,   benefit  levels,  and
administrative guidelines for such plans shall be subject to review and approval
by the Committee.

4.       Termination of Employment.

         4.1 During the Term,  the Company may terminate  Employee's  employment
herein at any time for Cause or as a result of a material  breach by Employee of
his obligations under this Agreement,  provided however that, except in the case
of conviction of a felony, the Company shall provide Employee with not less than
sixty (60) days prior written notice describing the behavior or conduct which is
alleged by the Company to constitute  Cause, and Employee shall be provided with
reasonable  opportunity  to correct such  behavior or conduct  within the notice
period. For purposes of this Agreement,  Cause shall be defined as any or all of
the following:

         (1)      Conduct or action by Employee which, in the opinion of a
                  majority of the  Board of Directors, is materially  harmful to
                  the Company;


<PAGE>
         (2)      Willful  failure by  Employee to follow an order of the Board,
                  except in such case where the Employee  believes in good faith
                  that following  such order would be materially  detrimental to
                  the interests of the Company;

         (3)      Employee's conviction of a felony.

         4.2 In the  event  that  Employee's  employment  is  terminated  by the
Company for any reason other than those set forth in Paragraph 4.1  hereinabove,
or, (a)  Employee's  annual  base salary is reduced  below the amount  stated in
Paragraph 3.1 hereinabove  (unless such reduction is part of an across the board
reduction   affecting  all  Company   executives  with  a  comparable  level  of
responsibility,  title or  stature),  or (b)  Employee is removed from or denied
participation  in incentive  plans,  benefit  plans,  or  perquisites  generally
provided  by the  Company  to  other  executives  with  a  comparable  level  of
responsibility,   title  or  stature,   or  (c)  Employee's   target   incentive
opportunity,  benefits or perquisites are reduced  relative to other  executives
with comparable  responsibility,  title or stature,  or (d) Employee is assigned
duties or  obligations  inconsistent  with his position  with the Company or (e)
There is a significant change in the nature and scope of Employee's authority or
his overall  working  environment,  such event shall be considered a Termination
Without Cause.

         4.3      In the event of Employee's  Termination  Without Cause at any
time during the Term of this  Agreement, then:

         (1)      The Company  shall pay  Employee a lump-sum  severance  amount
                  within thirty (30) days  following  Termination  Without Cause
                  equal to three  (3)  times  the sum of (a) the  higher  of the
                  Employee's  annual  base  salary  at the  time of  Termination
                  Without  Cause or the annual base salary  stated in  Paragraph
                  3.1  hereinabove,  and (b) the average  annual Bonus earned by
                  Employee  (whether  paid  in  cash  or  deferred)  for the two
                  completed  fiscal  years   immediately  prior  to  Termination
                  Without  Cause,  reduced by the amount of any Unocal  Employee
                  Redeployment  Program  and/or  Unocal  Termination   Allowance
                  benefits payable to Employee.

         (2)      The Company  shall  provide for  Employee to receive  medical,
                  dental,  life, and disability  insurance  coverage for two (2)
                  years following  Termination Without Cause at levels and a net
                  cost to  Employee  comparable  to that  provided  to  Employee
                  immediately prior to Employee's Termination Without Cause.

         (3)      The  Company  shall  pay  Employee  an   additional   lump-sum
                  severance amount within thirty (30) days following  Employee's
                  Termination  Without  Cause  equal to three (3) times the base
                  salary used to  determine  the lump-sum  severance  benefit in
                  paragraph 4.3(1) hereinabove, multiplied by 6% (.06).

         4.4 In the event that during the Term of this Agreement Employee should
voluntarily  resign  from the  Company,  should  terminate  employment  with the
Company due to death,  permanent disability or incapacitation,  or is terminated
by the Company for Cause or for a material breach by Employee of his obligations
under  this  Agreement,  then  Employee  shall  not  be  entitled  to any of the
termination benefits provided for in Paragraph 4.3 hereinabove,  and the Term of
the Agreement shall immediately end.

         4.5 Employee  shall not be obligated to seek other  employment  or take
any other action by way of mitigation of the amounts  payable to Employee  under
any provisions of this Agreement.

5.       Change of Control.

         5.1    In the event of a Change of Control of the  Company  at any time
during the Term of this  Agreement, then:

                                       2
<PAGE>
         (1)      In the event of  Employee's  Termination  Without Cause within
                  a period of thirty-six  (36)  months  following  the date of a
                  Change  of  Control,   Employee   shall  be  entitled  to  the
                  termination  benefits  described in Paragraph 4.3 hereinabove;
                  provided that the lump-sum  severance  amount paid to Employee
                  under this  Paragraph  5.1(1),  which is  calculated  based on
                  Paragraphs 4.3(1) and 4.3(3) hereinabove, shall be (a) reduced
                  to equal the present  value,  determined  in  accordance  with
                  Section  280G(d)(4) of the Internal  Revenue Code (the "IRC"),
                  of the  lump-sum  severance  amount  which would  otherwise be
                  payable under Paragraphs 4.3(1) and 4.3(3), and (b) reduced to
                  offset compensation and other earned income by Employee in the
                  manner provided for in Paragraphs 5.1(2) and 5.1(3) below.

         (2)      The  lump-sum  severance  amounts  payable to  Employee  under
                  Paragraphs  4.3(1) and 4.3(3)  shall be reduced by one hundred
                  percent  (100%) of any  compensation  and other earned  income
                  (within the meaning of Section  911(d)(2)(A) of the IRC) which
                  is earned by  Employee  for  services  rendered  to persons or
                  entities other than the Company or its  affiliates  during the
                  three  years  immediately  following  Employee's   Termination
                  Without Cause.

         (3)      Not less  frequently  than  annually  beginning  on the  first
                  anniversary  following  Employee's  Termination Without Cause,
                  Employee  shall  account to the  Company  with  respect to all
                  compensation  and other earned income earned by Employee which
                  is  required  hereunder  to be  offset  against  the  lump-sum
                  severance  amount  received by Employee from the Company under
                  Paragraphs  5.1(1)  and  5.1(2).  If the  Company  has  paid a
                  lump-sum  severance  amount in  excess of the  amount to which
                  Employee  is  entitled  (after  giving  effect to the  offsets
                  provided for above),  Employee shall reimburse the Company for
                  such excess  within thirty (30) days of the  determination  of
                  such excess.  The  requirements  imposed under this  Paragraph
                  5.1(3) shall terminate thirty (30) days immediately  following
                  the  second  anniversary  of  Employee's  Termination  Without
                  Cause.

         5.2 For the  purpose of this  Agreement,  a "Change of  Control"  shall
mean:

         (a) The  acquisition  by any  individual,  entity or group  (within the
meaning of Section 13(d)(3) or 14(d)(2) of the Securities  Exchange Act of 1934,
as amended (the "Exchange Act")(a "Person") of beneficial  ownership (within the
meaning  of Rule 13d-3  promulgated  under the  Exchange  Act) of 20% or more of
either  (i) the then  outstanding  shares of common  stock of the  Company  (the
"Outstanding  Company  Common  Stock") or (ii) the combined  voting power of the
then outstanding  voting securities of the Company entitled to vote generally in
the  election  of  directors  (the  "outstanding  Company  Voting  Securities");
provided,  however,  that for purposes of this  subsection  (a),  the  following
acquisitions  shall not  constitute  a Change of  Control:  (i) any  acquisition
directly  from the  Company,  (ii) any  acquisition  by the  Company,  (iii) any
acquisition  by an  employee  benefit  plan  (or  related  trust)  sponsored  or
maintained by the Company or any  corporation  controlled by the Company or (iv)
any acquisition by any corporation pursuant to a transaction which complies with
clauses (i), (ii) and (iii) of subsection (c) of this Section 5.2; or

         (b) Individuals  who, as of the date hereof,  constitute the Board (the
"Incumbent Board") cease for any reason to constitute at least a majority of the
Board; provided,  however, that any individual becoming a director subsequent to
the date hereof whose  election,  or  nomination  for election by the  Company's
shareholders,  was  approved by a vote of at least a majority  of the  directors
then  comprising  the  Incumbent  Board  shall  be  considered  as  though  such
individual  were a  member  of the  Incumbent  Board,  but  excluding,  for this
purpose,  any such  individual  whose  initial  assumption of office occurs as a
result of an actual or threatened  election contest with respect to the election
or removal of directors or other actual or threatened solicitation of proxies or
consents by or on behalf of a Person other than the Board; or

                                      3
<PAGE>
         (c) Consummation of a  reorganization,  merger or consolidation or sale
or other disposition of all or substantially all of the assets of the Company or
the acquisition of assets of another corporation (a "Business Combination"),  in
each case, unless, following such Business Combination, (i) all or substantially
all  of  the   individuals   and  entities  who  were  the  beneficial   owners,
respectively,  of the Outstanding  Company Common Stock and Outstanding  Company
Voting Securities  immediately prior to such Business  Combination  beneficially
own,  directly  or  indirectly,  more  than  50%  of,  respectively,   the  then
outstanding  shares of common  stock and the  combined  voting power of the then
outstanding  voting  securities  entitled to vote  generally  in the election of
directors,  as the case may be, of the corporation  resulting from such Business
Combination (including,  without limitation,  a corporation which as a result of
such transaction  owns the Company or all or substantially  all of the Company's
assets either directly or through one or more subsidiaries) in substantially the
same  proportions  as  their  ownership,  immediately  prior  to  such  Business
Combination  of the  Outstanding  Company Common Stock and  Outstanding  Company
Voting Securities, as the case may be, (ii) no Person (excluding any corporation
resulting  from such  Business  Combination  or any  employee  benefit  plan (or
related trust) of the Company or such  corporation  resulting from such Business
Combination)  beneficially  owns,  directly  or  indirectly,  20%  or  more  of,
respectively,  the then  outstanding  shares of common stock of the  corporation
resulting  from such Business  Combination  or the combined  voting power of the
then outstanding voting securities of such corporation except to the extent that
such ownership  existed prior to the Business  Combination  and (iii) at least a
majority of the members of the board of directors of the  corporation  resulting
from such Business  Combination  were members of the Incumbent Board at the time
of the  execution  of the  initial  agreement,  or of the  action of the  Board,
providing for such Business Combination; or

         (d)  Approval  by  the  shareholders  of  the  Company  of  a  complete
liquidation or dissolution of the Company.

         5.3   Certain Additional Payments by the Company may be due as follows:

         (a)  Anything in this  Agreement to the  contrary  notwithstanding  and
except as set forth below,  in the event it shall be determined that any payment
or  distribution  by the Company or its  affiliates to or for the benefit of the
Employee  (whether paid or payable or distributed or  distributable  pursuant to
the terms of this  Agreement or otherwise but  determined  without regard to any
additional  payments  required  under this Section 5.3), (a "Payment")  would be
subject to the excise tax imposed by Section 4999 of the Code or any interest or
penalties  are  incurred by the  Employee  with respect to such excise tax (such
excise tax,  together  with any such  interest and  penalties,  are  hereinafter
collectively  referred  to as the  "Excise  Tax"),  then the  Employee  shall be
entitled to receive an  additional  payment (a "Gross-Up  Payment") in an amount
such that after payment by the Employee of all taxes  (including any interest or
penalties imposed with respect to such taxes),  including,  without  limitation,
any income taxes (and any interest and penalties  imposed with respect  thereto)
and Excise Tax imposed upon the Gross-Up Payment, the Employee retains an amount
of the  Gross-Up  Payment  equal to the Excise Tax  imposed  upon the  Payments.
Notwithstanding  the  foregoing  provisions  of this Section 5.3, if it shall be
determined  that the  Employee is entitled to a Gross-Up  Payment,  but that the
Payments do not exceed 110% of the greatest  amount (the "Reduced  Amount") that
could be paid to the Employee  such that the receipt of Payments  would not give
rise to any Excise Tax,  then no Gross-Up  Payment shall be made to the Employee
and the Payments, in the aggregate, shall be reduced to the Reduced Amount.

         (b) Subject to the  provisions of Section  5.3(c),  all  determinations
required  to be made  under  this  Section  5.3,  including  whether  and when a
Gross-Up  Payment is required  and the amount of such  Gross-Up  Payment and the
assumptions to be utilized in arriving at such  determination,  shall be made by
Ernst  and  Young  or such  other  certified  public  accounting  firm as may be
designated by the Employee (the "Accounting  Firm") which shall provide detailed
supporting  calculations both to the Company and the Employee within 15 business
days of the receipt of notice from the  Employee  that there has been a Payment,
or such  earlier  time as is  requested  by the  Company.  In the event that the
Accounting Firm is serving as accountant or auditor for the  individual,  entity
or group  effecting the Change of Control,  the Employee  shall appoint  another
nationally  recognized  accounting  firm to  make  the  determinations  required
hereunder  (which  accounting  firm shall then be referred to as the  Accounting
Firm  hereunder).  All fees and expenses of the  Accounting  Firm shall be borne
solely by the Company.  Any Gross-Up  Payment,  as  determined  pursuant to this
Section 5.3,  shall be paid by the Company to the  Employee  within five days of
the receipt of the Accounting  Firm's  determination.  Any  determination by the
Accounting Firm shall be binding upon the Company and the Employee.  As a result
of the uncertainty in the application of Section 4999 of the Code at the time of
the initial determination by the Accounting Firm hereunder,  it is possible that
Gross-Up  Payments which will not have been made by the Company should have been
made  ("Underpayment"),  consistent  with the  calculations  required to be made
hereunder.  In the event that the  Company  exhausts  its  remedies  pursuant to
Section 5.3(c) and the Employee  thereafter is required to make a payment of any
Excise Tax, the Accounting Firm shall  determine the amount of the  Underpayment
that has  occurred  and any such  Underpayment  shall  be  promptly  paid by the
Company to or for the benefit of the Employee.

                                      4
<PAGE>
        (c) The  Employee  shall  notify the Company in writing of any claim by
the Internal  Revenue Service that, if successful,  would require the payment by
the Company of the Gross-Up Payment. Such notification shall be given as soon as
practicable  but no later than ten business  days after the Employee is informed
in  writing of such claim and shall  apprise  the  Company of the nature of such
claim and the date on which such claim is  requested  to be paid.  The  Employee
shall not pay such claim prior to the expiration of the 30-day period  following
the date on which it gives such notice to the Company  (or such  shorter  period
ending on the date that any payment of taxes with respect to such claim is due).
If the Company  notifies the Employee in writing prior to the expiration of such
period that it desires to contest such claim, the Employee shall:

         (i) give  the  Company  any  information  reasonably  requested  by the
Company relating to such claim,

         (ii) take such action in connection  with  contesting such claim as the
Company  shall  reasonably  request  in  writing  from time to time,  including,
without limitation, accepting legal representation with respect to such claim by
an attorney reasonably selected by the Company,

         (iii) cooperate with the Company in good faith in order  effectively to
contest such claim, and

         (iv)     permit the Company to participate in any proceedings  relating
to such claim;

provided,  however,  that the Company  shall bear and pay directly all costs and
expenses  (including  additional  interest and penalties) incurred in connection
with such  contest and shall  indemnify  and hold the Employee  harmless,  on an
after-tax  basis,  for any  Excise  Tax or income tax  (including  interest  and
penalties with respect thereto) imposed as a result of such  representation  and
payment of costs and expenses. Without limitation on the foregoing provisions of
this  Section  5.3(c),  the  Company  shall  control  all  proceedings  taken in
connection  with such contest  and, at its sole option,  may pursue or forgo any
and all administrative appeals,  proceedings,  hearings and conferences with the
taxing  authority in respect of such claim and may, at its sole  option,  either
direct the  Employee  to pay the tax claimed and sue for a refund or contest the
claim in any  permissible  manner,  and the Employee  agrees to  prosecute  such
contest to a determination  before any  administrative  tribunal,  in a court of
initial  jurisdiction and in one or more appellate  courts, as the Company shall
determine;  provided,  however,  that if the Company directs the Employee to pay
such claim and sue for a refund,  the Company  shall  advance the amount of such
payment to the Employee,  on an interest-free basis and shall indemnify and hold
the Employee harmless,  on an after-tax basis, from any Excise Tax or income tax
(including  interest or penalties with respect  thereto) imposed with respect to
the such  advance or with  respect to any imputed  income  with  respect to such
advance;  and further  provided that any extension of the statute of limitations
relating to payment of taxes for the taxable year of the  Employee  with respect
to which such  contested  amount is claimed to be due is limited  solely to such
contested  amount.  Furthermore,  the Company's  control of the contest shall be
limited to issues  with  respect to which a  Gross-Up  Payment  would be payable
hereunder and the Employee  shall be entitled to settle or contest,  as the case
may be, any other  issue  raised by the  Internal  Revenue  Service or any other
taxing authority.

         (d) If, after the receipt by the Employee of an amount  advanced by the
Company pursuant to Section 5.3(c), the Employee becomes entitled to receive any
refund with respect to such claim,  the Employee shall (subject to the Company's
employing with the  requirements  of Section 5.3 promptly pay to the Company the
amount of such refund (together with any interest paid or credited thereon after
taxes  applicable  thereto).  If, after the receipt by the Employee of an amount
advanced by the Company pursuant to Section 5.3(c), a determination is made that
the Employee  shall not be entitled to any refund with respect to such claim and
the  Company  does not notify the  Employee  in writing of its intent to contest
such  denial  of  refund  prior  to  the   expiration  of  30  days  after  such
determination,  then such advance shall be forgiven and shall not be required to
be repaid and the amount of such advance  shall offset,  to the extent  thereof,
the amount of Gross-Up Payment required to be paid.

6.       Covenants.

         6.1  Employee  agrees  that  any  and  all  confidential  knowledge  or
information,  including but not limited to customer lists, books, records, data,
formulae,  specifications,  inventions,  processes and methods, and developments
and  improvements,  which have been or may be obtained or learned by Employee in
the course of his  employment  with the Company,  will be held  confidential  by
Employee, and that Employee shall not disclose the same to any person outside of
the  Company  either  during  his  employment  with the  Company  or  after  his
employment by the Company has terminated.

         6.2 Employee  agrees that upon  termination of his employment  with the
Company he will  immediately  surrender  and turn over to the Company all books,
records,  forms,  specifications,  formulae,  data,  and all papers and writings
relating to the business of the Company and all other property  belonging to the
Company,  it being  understood and agreed that the same are the sole property of
the Company and that Employee shall not make or retain any copies thereof.

                                      5
<PAGE>

   6.3 Employee agrees that all  inventions,  developments or improvements
which he has made or may make, conceive,  invent,  discover or otherwise acquire
during his employment with the Company in the scope of his  responsibilities  or
otherwise shall become the sole property of the Company.

         6.4 Employee  agrees to provide a release of any claims with respect to
termination  of his or her  employment  on such form as requested by the Company
upon payment of the sums provided in Section 4.3 above.

7.       Miscellaneous Provisions.

         7.1 All terms and  conditions  of this  Agreement are set forth herein,
and there are no warranties,  agreements or understandings,  express or implied,
except those expressly set forth herein.

         7.2 Any  modification  to  this  Agreement  shall  be  binding  only if
evidenced in writing signed by all parties hereto.

         7.3 Any notice or other communication required or permitted to be given
hereunder shall be deemed properly given if personally delivered or deposited in
the United States mail,  registered or certified and postage prepaid,  addressed
to the Company at 2141 Rosecrans  Ave.,  Suite 4000, El Segundo,  CA (Attention:
General Counsel),  or to Employee at his or her most recent home address on file
with Company,  or at other such addresses as may from time to time be designated
in writing by the respective parties.

         7.4 The laws of the State of  California  shall  govern the validity of
this Agreement,  the  construction of its terms, and the  interpretation  of the
rights and duties of the parties involved.

         7.5 In the event that any one or more of the  provisions  contained  in
this  Agreement  shall  for  any  reason  be  held  to be  invalid,  illegal  or
unenforceable,  the same shall not affect any other provision of this Agreement,
but  this  Agreement  shall  be  construed  as  if  such  invalid,   illegal  or
unenforceable provisions had never been contained herein.

         7.6 This Agreement  shall be binding upon, and inure to the benefit of,
the  successors  and assigns of the Company  and the  personal  representatives,
heirs and legatees of Employee.

         7.7 "Bonus"  refers  to  the Unocal  Incentive ompensation Plan and any
replacement  or  successor  plan thereof.

         7.8 Company shall pay 90% (ninety percent) of Employee's  out-of-pocket
litigation expenses,  including  reasonable  attorney's fees, in connection with
any judicial  proceeding to enforce this  Agreement or construe or determine the
validity of this  Agreement,  whether or not the Employee is  successful in such
proceeding.

         7.9 The  term  "Company"  shall  include  with  respect  to  employment
hereunder,  any  subsidiary or affiliate of the Company as well as any successor
employer following a Change in Control.

         7.10 This  Agreement  succeeds  and  replaces  that  Unocal  Employment
Agreement which was effective December 8, 1997 between Company and Employee.


IN WITNESS WHEREOF, the parties have executed this Agreement effective as of the
date first above written.

BY:
         Chairman of the Management Development and
         Compensation Committee of the Unocal
         Board of Directors

BY:
         EMPLOYEE

                                      6


                                                                    EXHIBIT 10.7

                         CHANGE IN CONTROL AGREEMENT

         This Change in Control Agreement (the "Agreement") is made effective as
of July 28, 1998 by and between Unocal Corporation,  a Delaware corporation (the
"Company") and Timothy H. Ling, Chief Financial Officer ("Employee").

         WHEREAS,  if certain  corporate  transactions were proposed or pending,
such  potential   transactions   could  result  in  distractions  to  Employee's
performance at a critical period; and

         WHEREAS,  Employee  and Company  wish to enter into this  agreement  in
order to provide  security  to Employee  as a means of  maintaining  performance
under such circumstances.

         THEREFORE,  in  consideration of the mutual promises and agreements set
forth herein, the Company and Employee agree as follows:

1.       Term.

         1.1 The term of this  Agreement (the "Term") shall commence on July 28,
1998 and shall be for three years,  subject to earlier termination in accordance
with the  provisions  of Section 4  hereinbelow.  If the  Agreement has not been
subject to early  termination  in  accordance  with the  provisions of Section 4
hereinbelow,  beginning  on July 28, 1998 and on each day  thereafter,  the Term
shall  automatically  be  extended  for an  additional  day unless  the  Company
notifies Employee in writing that it does not wish to further extend the Term.

2.       Position and Title.

         2.1 The Company on behalf of itself and its affiliates and subsidiaries
hereby employs Employee as Chief Financial Officer,  and Employee hereby accepts
such employment.

         2.2 Employee  shall devote  substantially  all of his efforts on a full
time basis to the  business  and  affairs of the Company and shall not engage in
any business or perform any services in any capacity  whatsoever  adverse to the
interests of the Company.

         2.3 Employee shall at all times faithfully,  industriously,  and to the
best of his ability,  experience,  and talents, perform all of the duties of his
position.

3.       Compensation.

         3.1 As of the date of this Agreement,  Employee's annual base salary is
$405,000.  Employee's base salary and performance shall be reviewed periodically
at intervals approved by the Management  Development and Compensation  Committee
of the Board of Directors of the Company (the "Committee"),  and Employee's base
salary  may be  increased  from  time to  time  based  on  merit  or such  other
consideration as the Committee may deem appropriate.


4.       Termination of Employment Without Cause

         4.1      Employee is  an at-will employee of the Company.  However, for
                  purposes  of this Agreement only, a Termination  Without Cause
                  shall  exist if Employee is terminated for any reason except:

         (1)      Conduct or  action by  Employee  which,  in the  opinion  of a
                  majority of the Board of  Directors, is  materially harmful to
                  the Company;

         (2)      Willful  failure by  Employee to follow an order of the Board,
                  except in such case where the Employee  believes in good faith
                  that following  such order would be materially  detrimental to
                  the interests of the Company;

         (3)      Employee's conviction of a felony.


<PAGE>
                  Additionally, if, (a) Employee's annual base salary is reduced
below the amount stated in Paragraph 3.1  hereinabove  (unless such reduction is
part of an across the board  reduction  affecting all Company  executives with a
comparable  level of  responsibility,  title or  stature),  or (b)  Employee  is
removed from or denied  participation  in incentive  plans,  benefit  plans,  or
perquisites  generally  provided  by the  Company  to  other  executives  with a
comparable level of responsibility,  title or stature,  or (c) Employee's target
incentive  opportunity,  benefits or perquisites  are reduced  relative to other
executives with comparable responsibility,  title or stature, or (d) Employee is
assigned duties or obligations  inconsistent  with his position with the Company
or (e) There is a  significant  change  in the  nature  and scope of  Employee's
authority or his overall working  environment,  such event shall be considered a
Termination Without Cause.

5.       Change of Control.

         5.1 In the  event of a Change of  Control  of the  Company  at any time
         during the Term of Agreement,  and Employee's Termination Without Cause
         within a period  of  thirty-six  (36)  Months  following  the date of a
         Change  of  Control,  Employee  shall  be  entitled  to  the  following
         Benefits:

         (1)     The  Company  shall pay  Employee a lump-sum  severance  amount
                 within  thirty (30) days  following  Termination  Without Cause
                 equal  to three  (3)  times  the sum of (a) the  higher  of the
                 Employee's  annual  base  salary  at  the  time of  Termination
                 Without  Cause or  the annual base salary  stated in  paragraph
                 3.1  hereinabove,  and (b) the average  annual Bonus  earned by
                 Employee  (whether  paid  in  cash  or   deferred  for  the two
                 completed  fiscal  years   immediately   Prior  to  Termination
                 Without  Cause,  reduced by the amount of  any Unocal  Employee
                 Redeployment  Program   and/or  Unocal  Termination   Allowance
                 benefits payable to Employee.

         (2)     The  Company  shall  provide for  Employee to receive  medical,
                 dental,  life, and disability  insurance coverage for three (3)
                 years following  Termination  Without Cause at levels and a net
                 cost to  Employee  comparable  to  that  provided  to  Employee
                 immediately prior to Employee's Termination Without Cause.

         (3)     The Company shall pay Employee an additional lump-sum severance
                 amount  thirty  (30)  days  following  Employee's   Termination
                 Without  Cause equal to three (3) times  greater of his current
                 base salary or that referenced in Paragraph 3.1
                      hereabove multiplied by 6 percent (0.06).

    5.2   For purposes of this Agreement a "Change of Control" shall mean:
:
         (a) The  acquisition  by any  individual,  entity or group  (within the
meaning of Section 13(d)(3) or 14(d)(2) of the Securities  Exchange Act of 1934,
as amended (the "Exchange Act")(a "Person") of beneficial  ownership (within the
meaning  of Rule 13d-3  promulgated  under the  Exchange  Act) of 20% or more of
either  (i) the then  outstanding  shares of common  stock of the  Company  (the
"Outstanding  Company  Common  Stock") or (ii) the combined  voting power of the
then outstanding  voting securities of the Company entitled to vote generally in
the  election  of  directors  (the  "outstanding  Company  Voting  Securities");
provided,  however,  that for purposes of this  subsection  (a),  the  following
acquisitions  shall not  constitute  a Change of  Control:  (i) any  acquisition
directly  from the  Company,  (ii) any  acquisition  by the  Company,  (iii) any
acquisition  by an  employee  benefit  plan  (or  related  trust)  sponsored  or
maintained by the Company or any  corporation  controlled by the Company or (iv)
any acquisition by any corporation pursuant to a transaction which complies with
clauses (i), (ii) and (iii) of subsection (c) of this Section 5.2; or

         (b) Individuals  who, as of the date hereof,  constitute the Board (the
"Incumbent Board") cease for any reason to constitute at least a majority of the
Board; provided,  however, that any individual becoming a director subsequent to
the date hereof whose  election,  or  nomination  for election by the  Company's
shareholders,  was  approved by a vote of at least a majority  of the  directors
then  comprising  the  Incumbent  Board  shall  be  considered  as  though  such
individual  were a  member  of the  Incumbent  Board,  but  excluding,  for this
purpose,  any such  individual  whose  initial  assumption of office occurs as a
result of an actual or threatened  election contest with respect to the election
or removal of directors or other actual or threatened solicitation of proxies or
consents by or on behalf of a Person other than the Board; or

                                      2
<PAGE>
         (c) Consummation of a  reorganization,  merger or consolidation or sale
or other disposition of all or substantially all of the assets of the Company or
the acquisition of assets of another corporation (a "Business Combination"),  in
each case, unless, following such Business Combination, (i) all or substantially
all  of  the   individuals   and  entities  who  were  the  beneficial   owners,
respectively,  of the Outstanding  Company Common Stock and Outstanding  Company
Voting Securities  immediately prior to such Business  Combination  beneficially
own,  directly  or  indirectly,  more  than  50%  of,  respectively,   the  then
outstanding  shares of common  stock and the  combined  voting power of the then
outstanding  voting  securities  entitled to vote  generally  in the election of
directors,  as the case may be, of the corporation  resulting from such Business
Combination (including,  without limitation,  a corporation which as a result of
such transaction  owns the Company or all or substantially  all of the Company's
assets either directly or through one or more subsidiaries) in substantially the
same  proportions  as  their  ownership,  immediately  prior  to  such  Business
Combination  of the  Outstanding  Company Common Stock and  Outstanding  Company
Voting Securities, as the case may be, (ii) no Person (excluding any corporation
resulting  from such  Business  Combination  or any  employee  benefit  plan (or
related trust) of the Company or such  corporation  resulting from such Business
Combination)  beneficially  owns,  directly  or  indirectly,  20%  or  more  of,
respectively,  the then  outstanding  shares of common stock of the  corporation
resulting  from such Business  Combination  or the combined  voting power of the
then outstanding voting securities of such corporation except to the extent that
such ownership  existed prior to the Business  Combination  and (iii) at least a
majority of the members of the board of directors of the  corporation  resulting
from such Business  Combination  were members of the Incumbent Board at the time
of the  execution  of the  initial  agreement,  or of the  action of the  Board,
providing for such Business Combination; or

         (d)  Approval  by  the  shareholders  of  the  Company  of  a  complete
liquidation or dissolution of the Company.

   5.3 Certain Additional Payments by the Company may be due as follows:

         (a)  Anything in this  Agreement to the  contrary  notwithstanding  and
except as set forth below,  in the event it shall be determined that any payment
or  distribution  by the Company or its  affiliates to or for the benefit of the
Employee  (whether paid or payable or distributed or  distributable  pursuant to
the terms of this  Agreement or otherwise but  determined  without regard to any
additional  payments  required  under this Section 5.3), (a "Payment")  would be
subject to the excise tax imposed by Section 4999 of the Code or any interest or
penalties  are  incurred by the  Employee  with respect to such excise tax (such
excise tax,  together  with any such  interest and  penalties,  are  hereinafter
collectively  referred  to as the  "Excise  Tax"),  then the  Employee  shall be
entitled to receive an  additional  payment (a "Gross-Up  Payment") in an amount
such that after payment by the Employee of all taxes  (including any interest or
penalties imposed with respect to such taxes),  including,  without  limitation,
any income taxes (and any interest and penalties  imposed with respect  thereto)
and Excise Tax imposed upon the Gross-Up Payment, the Employee retains an amount
of the  Gross-Up  Payment  equal to the Excise Tax  imposed  upon the  Payments.
Notwithstanding  the  foregoing  provisions  of this Section 5.3, if it shall be
determined  that the  Employee is entitled to a Gross-Up  Payment,  but that the
Payments do not exceed 110% of the greatest  amount (the "Reduced  Amount") that
could be paid to the Employee  such that the receipt of Payments  would not give
rise to any Excise Tax,  then no Gross-Up  Payment shall be made to the Employee
and the Payments, in the aggregate, shall be reduced to the Reduced Amount.

         (b) Subject to the  provisions of Section  5.3(c),  all  determinations
required  to be made  under  this  Section  5.3,  including  whether  and when a
Gross-Up  Payment is required  and the amount of such  Gross-Up  Payment and the
assumptions to be utilized in arriving at such  determination,  shall be made by
Ernst  and  Young  or such  other  certified  public  accounting  firm as may be
designated by the Employee (the "Accounting  Firm") which shall provide detailed
supporting  calculations both to the Company and the Employee within 15 business
days of the receipt of notice from the  Employee  that there has been a Payment,
or such  earlier  time as is  requested  by the  Company.  In the event that the
Accounting Firm is serving as accountant or auditor for the  individual,  entity
or group  effecting the Change of Control,  the Employee  shall appoint  another
nationally  recognized  accounting  firm to  make  the  determinations  required
hereunder  (which  accounting  firm shall then be referred to as the  Accounting
Firm  hereunder).  All fees and expenses of the  Accounting  Firm shall be borne
solely by the Company.  Any Gross-Up  Payment,  as  determined  pursuant to this
Section 5.3,  shall be paid by the Company to the  Employee  within five days of
the receipt of the Accounting  Firm's  determination.  Any  determination by the
Accounting Firm shall be binding upon the Company and the Employee.  As a result
of the uncertainty in the application of Section 4999 of the Code at the time of
the initial determination by the Accounting Firm hereunder,  it is possible that
Gross-Up  Payments which will not have been made by the Company should have been
made  ("Underpayment"),  consistent  with the  calculations  required to be made
hereunder.  In the event that the  Company  exhausts  its  remedies  pursuant to
Section 5.3(c) and the Employee  thereafter is required to make a payment of any
Excise Tax, the Accounting Firm shall  determine the amount of the  Underpayment
that has  occurred  and any such  Underpayment  shall  be  promptly  paid by the
Company to or for the benefit of the Employee.

                                      3
<PAGE>
         (c) The  Employee  shall  notify the Company in writing of any claim by
the Internal  Revenue Service that, if successful,  would require the payment by
the Company of the Gross-Up Payment. Such notification shall be given as soon as
practicable  but no later than ten business  days after the Employee is informed
in  writing of such claim and shall  apprise  the  Company of the nature of such
claim and the date on which such claim is  requested  to be paid.  The  Employee
shall not pay such claim prior to the expiration of the 30-day period  following
the date on which it gives such notice to the Company  (or such  shorter  period
ending on the date that any payment of taxes with respect to such claim is due).
If the Company  notifies the Employee in writing prior to the expiration of such
period that it desires to contest such claim, the Employee shall:

         (i)  give  the  Company  any  information  reasonably  requested by the
Company relating to such claim,

         (ii) take such action in connection  with  contesting such claim as the
Company  shall  reasonably  request  in  writing  from time to time,  including,
without limitation, accepting legal representation with respect to such claim by
an attorney reasonably selected by the Company,

         (iii) cooperate with the Company in good faith in order  effectively to
contest such claim, and

         (iv)     permit the Company to participate in  any proceedings relating
to such claim;

provided,  however,  that the Company  shall bear and pay directly all costs and
expenses  (including  additional  interest and penalties) incurred in connection
with such  contest and shall  indemnify  and hold the Employee  harmless,  on an
after-tax  basis,  for any  Excise  Tax or income tax  (including  interest  and
penalties with respect thereto) imposed as a result of such  representation  and
payment of costs and expenses. Without limitation on the foregoing provisions of
this  Section  5.3(c),  the  Company  shall  control  all  proceedings  taken in
connection  with such contest  and, at its sole option,  may pursue or forgo any
and all administrative appeals,  proceedings,  hearings and conferences with the
taxing  authority in respect of such claim and may, at its sole  option,  either
direct the  Employee  to pay the tax claimed and sue for a refund or contest the
claim in any  permissible  manner,  and the Employee  agrees to  prosecute  such
contest to a determination  before any  administrative  tribunal,  in a court of
initial  jurisdiction and in one or more appellate  courts, as the Company shall
determine;  provided,  however,  that if the Company directs the Employee to pay
such claim and sue for a refund,  the Company  shall  advance the amount of such
payment to the Employee,  on an interest-free basis and shall indemnify and hold
the Employee harmless,  on an after-tax basis, from any Excise Tax or income tax
(including  interest or penalties with respect  thereto) imposed with respect to
the such  advance or with  respect to any imputed  income  with  respect to such
advance;  and further  provided that any extension of the statute of limitations
relating to payment of taxes for the taxable year of the  Employee  with respect
to which such  contested  amount is claimed to be due is limited  solely to such
contested  amount.  Furthermore,  the Company's  control of the contest shall be
limited to issues  with  respect to which a  Gross-Up  Payment  would be payable
hereunder and the Employee  shall be entitled to settle or contest,  as the case
may be, any other  issue  raised by the  Internal  Revenue  Service or any other
taxing authority.

         (d) If, after the receipt by the Employee of an amount  advanced by the
Company pursuant to Section 5.3(c), the Employee becomes entitled to receive any
refund with respect to such claim,  the Employee shall (subject to the Company's
employing with the  requirements  of Section 5.3 promptly pay to the Company the
amount of such refund (together with any interest paid or credited thereon after
taxes  applicable  thereto).  If, after the receipt by the Employee of an amount
advanced by the Company pursuant to Section 5.3(c), a determination is made that
the Employee  shall not be entitled to any refund with respect to such claim and
the  Company  does not notify the  Employee  in writing of its intent to contest
such  denial  of  refund  prior  to  the   expiration  of  30  days  after  such
determination,  then such advance shall be forgiven and shall not be required to
be repaid and the amount of such advance  shall offset,  to the extent  thereof,
the amount of Gross-Up Payment required to be paid.

6.       Covenants.

         6.1  Employee  agrees  that  any  and  all  confidential  knowledge  or
information,  including but not limited to customer lists, books, records, data,
formulae,  specifications,  inventions,  processes and methods, and developments
and  improvements,  which have been or may be obtained or learned by Employee in
the course of his  employment  with the Company,  will be held  confidential  by
Employee, and that Employee shall not disclose the same to any person outside of
the  Company  either  during  his  employment  with the  Company  or  after  his
employment by the Company has terminated.

         6.2 Employee  agrees that upon  termination of his employment  with the
Company he will  immediately  surrender  and turn over to the Company all books,
records,  forms,  specifications,  formulae,  data,  and all papers and writings
relating to the business of the Company and all other property  belonging to the
Company,  it being  understood and agreed that the same are the sole property of
the Company and that Employee shall not make or retain any copies thereof.

                                      4
<PAGE>
        6.3 Employee agrees that all  inventions,  developments or improvements
which he has made or may make, conceive,  invent,  discover or otherwise acquire
during his employment with the Company in the scope of his  responsibilities  or
otherwise shall become the sole property of the Company.

         6.4 Employee  agrees to provide a release of any claims with respect to
termination  of his or her  employment  on such form as requested by the Company
upon payment of the sums provided in Section 4.3 above.

7.       Miscellaneous Provisions.

         7.1 All terms and  conditions  of this  Agreement are set forth herein,
and there are no warranties,  agreements or understandings,  express or implied,
except those expressly set forth herein.

         7.2 Any  modification  to  this  Agreement  shall  be  binding  only if
evidenced in writing signed by all parties hereto.

         7.3 Any notice or other communication required or permitted to be given
hereunder shall be deemed properly given if personally delivered or deposited in
the United States mail,  registered or certified and postage prepaid,  addressed
to the Company at 2141 Rosecrans  Ave.,  Suite 4000, El Segundo,  CA (Attention:
General Counsel),  or to Employee at his or her most recent home address on file
with Company,  or at other such addresses as may from time to time be designated
in writing by the respective parties.

         7.4 The laws of the State of  California  shall  govern the validity of
this Agreement,  the  construction of its terms, and the  interpretation  of the
rights and duties of the parties involved.

         7.5 In the event that any one or more of the  provisions  contained  in
this  Agreement  shall  for  any  reason  be  held  to be  invalid,  illegal  or
unenforceable,  the same shall not affect any other provision of this Agreement,
but  this  Agreement  shall  be  construed  as  if  such  invalid,   illegal  or
unenforceable provisions had never been contained herein.

         7.6 This Agreement  shall be binding upon, and inure to the benefit of,
the  successors  and assigns of the Company  and the  personal  representatives,
heirs and legatees of Employee.

         7.7 "Bonus"  refers to the Unocal Incentive  Compensation  Plan and any
replacement  or  successor  plan thereof.

         7.8 Company shall pay 90% (ninety percent) of Employee's  out-of-pocket
litigation expenses,  including  reasonable  attorney's fees, in connection with
any judicial  proceeding to enforce this  Agreement or construe or determine the
validity of this  Agreement,  whether or not the Employee is  successful in such
proceeding.

         7.9 The  term  "Company"  shall  include  with  respect  to  employment
hereunder,  any  subsidiary or affiliate of the Company as well as any successor
employer following a Change in Control.

         7.10 This  Agreement  succeeds  and  replaces  that  Change in  Control
Agreement which was effective December 8, 1997 between Company and Employee.


IN WITNESS WHEREOF, the parties have executed this Agreement effective as of the
date first above written.

BY:
         Chairman of the Management Development and
         Compensation Committee of the Unocal
         Board of Directors

BY:
         EMPLOYEE

                                      5


                                                                    EXHIBIT 10.8

                         UNOCAL EMPLOYMENT AGREEMENT

          This  employment  agreement (the  "Agreement") is made effective as of
July 28, 1998 by and between Unocal  Corporation,  a Delaware  corporation  (the
"Company")  and  Randolph  L.  Howard,   Group  Vice  President,   International
Operations & Geothermal ("Employee").

         In  consideration  of the  mutual  promises  and  agreements  set forth
herein, the Company and Employee agree as follows:

1.       Term.

         1.1 The term of this  Agreement (the "Term") shall commence on July 28,
1998 and shall be for two years,  subject to earlier  termination  in accordance
with the  provisions  of Section 4  hereinbelow.  If the  Agreement has not been
subject to early  termination  in  accordance  with the  provisions of Section 4
hereinbelow,  beginning  on July 28, 1998 and on each day  thereafter,  the Term
shall  automatically  be  extended  for an  additional  day unless  the  Company
notifies  Employee in writing that it does not wish to further  extend the Term.
Notwithstanding  the  foregoing,  this  Agreement  shall end  automatically  and
without  additional  notice  on the  date of the  Company's  Annual  Meeting  of
Shareholders  that  next  follows  the  date of  Employee's  sixty-fifth  (65th)
birthday.

2.       Position and Title.

         2.1 The Company on behalf of itself and its affiliates and subsidiaries
hereby  employs  Employee as Group Vice  President,  International  Operations &
Geothermal, and Employee hereby accepts such employment.

         2.2 Employee  shall devote  substantially  all of his efforts on a full
time basis to the  business  and  affairs of the Company and shall not engage in
any business or perform any services in any capacity  whatsoever  adverse to the
interests of the Company.

         2.3 Employee shall at all times faithfully,  industriously,  and to the
best of his ability,  experience,  and talents, perform all of the duties of his
position.

3.       Compensation.

         3.1 As of the date of this Agreement,  Employee's annual base salary is
$275,004.  Employee's base salary and performance shall be reviewed periodically
at intervals approved by the Management  Development and Compensation  Committee
of the Board of Directors of the Company (the "Committee"),  and Employee's base
salary  may be  increased  from  time to  time  based  on  merit  or such  other
consideration as the Committee may deem appropriate.

         3.2 During the Term, Employee shall participate in all of the Company's
incentive  plans,  benefit  plans and  perquisites,  and in any new or successor
incentive plans,  benefit plans and perquisites,  that are generally provided to
executives of the Company with a level of responsibility  and stature comparable
to  Employee.   Performance  goals,  award  opportunity,   benefit  levels,  and
administrative guidelines for such plans shall be subject to review and approval
by the Committee.

4.       Termination of Employment.

         4.1 During the Term,  the Company may terminate  Employee's  employment
herein at any time for Cause or as a result of a material  breach by Employee of
his obligations under this Agreement,  provided however that, except in the case
of conviction of a felony, the Company shall provide Employee with not less than
sixty (60) days prior written notice describing the behavior or conduct which is
alleged by the Company to constitute  Cause, and Employee shall be provided with
reasonable  opportunity  to correct such  behavior or conduct  within the notice
period. For purposes of this Agreement,  Cause shall be defined as any or all of
the following:

         (1)      Conduct or action by Employee which, in the opinion of a 
                  majority of the Board  of  Directors, is materially harmful to
                  the Company;


<PAGE>
         (2)      Willful  failure by  Employee to follow an order of the Board,
                  except in such case where the Employee  believes in good faith
                  that following  such order would be materially  detrimental to
                  the interests of the Company;

         (3)      Employee's conviction of a felony.

         4.2 In the  event  that  Employee's  employment  is  terminated  by the
Company for any reason other than those set forth in Paragraph 4.1  hereinabove,
or, (a)  Employee's  annual  base salary is reduced  below the amount  stated in
Paragraph 3.1 hereinabove  (unless such reduction is part of an across the board
reduction   affecting  all  Company   executives  with  a  comparable  level  of
responsibility,  title or  stature),  or (b)  Employee is removed from or denied
participation  in incentive  plans,  benefit  plans,  or  perquisites  generally
provided  by the  Company  to  other  executives  with  a  comparable  level  of
responsibility,   title  or  stature,   or  (c)  Employee's   target   incentive
opportunity,  benefits or perquisites are reduced  relative to other  executives
with comparable  responsibility,  title or stature,  or (d) Employee is assigned
duties or  obligations  inconsistent  with his position  with the Company or (e)
There is a significant change in the nature and scope of Employee's authority or
his overall  working  environment,  such event shall be considered a Termination
Without Cause.

         4.3      In  the event of Employee's  Termination  Without Cause at any
time during the Term of this  Agreement, then:

         (1)      The Company  shall pay  Employee a lump-sum  severance  amount
                  within thirty (30) days  following  Termination  Without Cause
                  equal  to two  (2)  times  the sum of (a)  the  higher  of the
                  Employee's  annual  base  salary  at the  time of  Termination
                  Without  Cause or the annual base salary  stated in  Paragraph
                  3.1  hereinabove,  and (b) the average  annual Bonus earned by
                  Employee  (whether  paid  in  cash  or  deferred)  for the two
                  completed  fiscal  years   immediately  prior  to  Termination
                  Without  Cause,  reduced by the amount of any Unocal  Employee
                  Redeployment  Program  and/or  Unocal  Termination   Allowance
                  benefits payable to Employee.

         (2)      The Company  shall  provide for  Employee to receive  medical,
                  dental,  life, and disability  insurance  coverage for two (2)
                  years following  Termination Without Cause at levels and a net
                  cost to  Employee  comparable  to that  provided  to  Employee
                  immediately prior to Employee's Termination Without Cause.

         (3)      The  Company  shall  pay  Employee  an   additional   lump-sum
                  severance amount within thirty (30) days following  Employee's
                  Termination  Without  Cause  equal to two (2)  times  the base
                  salary used to  determine  the lump-sum  severance  benefit in
                  paragraph 4.3(1) hereinabove, multiplied by 6% (.06).

         4.4 In the event that during the Term of this Agreement Employee should
voluntarily  resign  from the  Company,  should  terminate  employment  with the
Company due to death,  permanent disability or incapacitation,  or is terminated
by the Company for Cause or for a material breach by Employee of his obligations
under  this  Agreement,  then  Employee  shall  not  be  entitled  to any of the
termination benefits provided for in Paragraph 4.3 hereinabove,  and the Term of
the Agreement shall immediately end.

         4.5 Employee  shall not be obligated to seek other  employment  or take
any other action by way of mitigation of the amounts  payable to Employee  under
any provisions of this Agreement.

5.       Change of Control.

         5.1   In the event of a Change of Control  of the  Company  at any time
during the Term of this  Agreement, then:

                                       2
<PAGE>
          (1)     In  the event of Employee's Termination Without Cause within a
                  period  of  twenty-four  (24) months  following  the date of a
                  Change  of  Control,   Employee  shall  be  entitled   to  the
                  termination  benefits described in Paragraph 4.3  hereinabove;
                  provided that the lump-sum  severance amount paid  to Employee
                  under this  Paragraph  5.1(1),  which is  calculated  based on
                  Paragraphs  4.3(1)  and  4.3(3)  hereinabove,  shall   be  (a)
                  reduced to equal the present value,  determined in  accordance
                  with Section  280G(d)(4)  of the  Internal  Revenue  Code (the
                  "IRC"),   of  the  lump-sum   severance  amount   which  would
                  otherwise be payable under Paragraphs 4.3(1) and  4.3(3),  and
                  (b) reduced to offset compensation and other earned  income by
                  Employee in the manner provided for in Paragraphs   5.1(2) and
                  5.1(3) below.

         (2)      The  lump-sum  severance  amounts  payable to  Employee  under
                  Paragraphs  4.3(1) and 4.3(3)  shall be reduced by one hundred
                  percent  (100%) of any  compensation  and other earned  income
                  (within the meaning of Section  911(d)(2)(A) of the IRC) which
                  is earned by  Employee  for  services  rendered  to persons or
                  entities other than the Company or its  affiliates  during the
                  three  years  immediately  following  Employee's   Termination
                  Without Cause.

         (3)      Not less  frequently  than  annually  beginning  on the  first
                  anniversary  following  Employee's  Termination Without Cause,
                  Employee  shall  account to the  Company  with  respect to all
                  compensation  and other earned income earned by Employee which
                  is  required  hereunder  to be  offset  against  the  lump-sum
                  severance  amount  received by Employee from the Company under
                  Paragraphs  5.1(1)  and  5.1(2).  If the  Company  has  paid a
                  lump-sum  severance  amount in  excess of the  amount to which
                  Employee  is  entitled  (after  giving  effect to the  offsets
                  provided for above),  Employee shall reimburse the Company for
                  such excess  within thirty (30) days of the  determination  of
                  such excess.  The  requirements  imposed under this  Paragraph
                  5.1(3) shall terminate thirty (30) days immediately  following
                  the  second  anniversary  of  Employee's  Termination  Without
                  Cause.

         5.2 For the  purpose of this  Agreement,  a "Change of  Control"  shall
mean:

         (a) The  acquisition  by any  individual,  entity or group  (within the
meaning of Section 13(d)(3) or 14(d)(2) of the Securities  Exchange Act of 1934,
as amended (the "Exchange Act")(a "Person") of beneficial  ownership (within the
meaning  of Rule 13d-3  promulgated  under the  Exchange  Act) of 20% or more of
either  (i) the then  outstanding  shares of common  stock of the  Company  (the
"Outstanding  Company  Common  Stock") or (ii) the combined  voting power of the
then outstanding  voting securities of the Company entitled to vote generally in
the  election  of  directors  (the  "outstanding  Company  Voting  Securities");
provided,  however,  that for purposes of this  subsection  (a),  the  following
acquisitions  shall not  constitute  a Change of  Control:  (i) any  acquisition
directly  from the  Company,  (ii) any  acquisition  by the  Company,  (iii) any
acquisition  by an  employee  benefit  plan  (or  related  trust)  sponsored  or
maintained by the Company or any  corporation  controlled by the Company or (iv)
any acquisition by any corporation pursuant to a transaction which complies with
clauses (i), (ii) and (iii) of subsection (c) of this Section 5.2; or

         (b) Individuals  who, as of the date hereof,  constitute the Board (the
"Incumbent Board") cease for any reason to constitute at least a majority of the
Board; provided,  however, that any individual becoming a director subsequent to
the date hereof whose  election,  or  nomination  for election by the  Company's
shareholders,  was  approved by a vote of at least a majority  of the  directors
then  comprising  the  Incumbent  Board  shall  be  considered  as  though  such
individual  were a  member  of the  Incumbent  Board,  but  excluding,  for this
purpose,  any such  individual  whose  initial  assumption of office occurs as a
result of an actual or threatened  election contest with respect to the election
or removal of directors or other actual or threatened solicitation of proxies or
consents by or on behalf of a Person other than the Board; or

                                       3
<PAGE>
         (c) Consummation of a  reorganization,  merger or consolidation or sale
or other disposition of all or substantially all of the assets of the Company or
the acquisition of assets of another corporation (a "Business Combination"),  in
each case, unless, following such Business Combination, (i) all or substantially
all  of  the   individuals   and  entities  who  were  the  beneficial   owners,
respectively,  of the Outstanding  Company Common Stock and Outstanding  Company
Voting Securities  immediately prior to such Business  Combination  beneficially
own,  directly  or  indirectly,  more  than  50%  of,  respectively,   the  then
outstanding  shares of common  stock and the  combined  voting power of the then
outstanding  voting  securities  entitled to vote  generally  in the election of
directors,  as the case may be, of the corporation  resulting from such Business
Combination (including,  without limitation,  a corporation which as a result of
such transaction  owns the Company or all or substantially  all of the Company's
assets either directly or through one or more subsidiaries) in substantially the
same  proportions  as  their  ownership,  immediately  prior  to  such  Business
Combination  of the  Outstanding  Company Common Stock and  Outstanding  Company
Voting Securities, as the case may be, (ii) no Person (excluding any corporation
resulting  from such  Business  Combination  or any  employee  benefit  plan (or
related trust) of the Company or such  corporation  resulting from such Business
Combination)  beneficially  owns,  directly  or  indirectly,  20%  or  more  of,
respectively,  the then  outstanding  shares of common stock of the  corporation
resulting  from such Business  Combination  or the combined  voting power of the
then outstanding voting securities of such corporation except to the extent that
such ownership  existed prior to the Business  Combination  and (iii) at least a
majority of the members of the board of directors of the  corporation  resulting
from such Business  Combination  were members of the Incumbent Board at the time
of the  execution  of the  initial  agreement,  or of the  action of the  Board,
providing for such Business Combination; or

         (d)  Approval  by  the  shareholders  of  the  Company  of  a  complete
liquidation or dissolution of the Company.

         5.3   Certain Additional Payments by the Company may be due as follows:

         (a)  Anything in this  Agreement to the  contrary  notwithstanding  and
except as set forth below,  in the event it shall be determined that any payment
or  distribution  by the Company or its  affiliates to or for the benefit of the
Employee  (whether paid or payable or distributed or  distributable  pursuant to
the terms of this  Agreement or otherwise but  determined  without regard to any
additional  payments  required  under this Section 5.3), (a "Payment")  would be
subject to the excise tax imposed by Section 4999 of the Code or any interest or
penalties  are  incurred by the  Employee  with respect to such excise tax (such
excise tax,  together  with any such  interest and  penalties,  are  hereinafter
collectively  referred  to as the  "Excise  Tax"),  then the  Employee  shall be
entitled to receive an  additional  payment (a "Gross-Up  Payment") in an amount
such that after payment by the Employee of all taxes  (including any interest or
penalties imposed with respect to such taxes),  including,  without  limitation,
any income taxes (and any interest and penalties  imposed with respect  thereto)
and Excise Tax imposed upon the Gross-Up Payment, the Employee retains an amount
of the  Gross-Up  Payment  equal to the Excise Tax  imposed  upon the  Payments.
Notwithstanding  the  foregoing  provisions  of this Section 5.3, if it shall be
determined  that the  Employee is entitled to a Gross-Up  Payment,  but that the
Payments do not exceed 110% of the greatest  amount (the "Reduced  Amount") that
could be paid to the Employee  such that the receipt of Payments  would not give
rise to any Excise Tax,  then no Gross-Up  Payment shall be made to the Employee
and the Payments, in the aggregate, shall be reduced to the Reduced Amount.

         (b) Subject to the  provisions of Section  5.3(c),  all  determinations
required  to be made  under  this  Section  5.3,  including  whether  and when a
Gross-Up  Payment is required  and the amount of such  Gross-Up  Payment and the
assumptions to be utilized in arriving at such  determination,  shall be made by
Ernst  and  Young  or such  other  certified  public  accounting  firm as may be
designated by the Employee (the "Accounting  Firm") which shall provide detailed
supporting  calculations both to the Company and the Employee within 15 business
days of the receipt of notice from the  Employee  that there has been a Payment,
or such  earlier  time as is  requested  by the  Company.  In the event that the
Accounting Firm is serving as accountant or auditor for the  individual,  entity
or group  effecting the Change of Control,  the Employee  shall appoint  another
nationally  recognized  accounting  firm to  make  the  determinations  required
hereunder  (which  accounting  firm shall then be referred to as the  Accounting
Firm  hereunder).  All fees and expenses of the  Accounting  Firm shall be borne
solely by the Company.  Any Gross-Up  Payment,  as  determined  pursuant to this
Section 5.3,  shall be paid by the Company to the  Employee  within five days of
the receipt of the Accounting  Firm's  determination.  Any  determination by the
Accounting Firm shall be binding upon the Company and the Employee.  As a result
of the uncertainty in the application of Section 4999 of the Code at the time of
the initial determination by the Accounting Firm hereunder,  it is possible that
Gross-Up  Payments which will not have been made by the Company should have been
made  ("Underpayment"),  consistent  with the  calculations  required to be made
hereunder.  In the event that the  Company  exhausts  its  remedies  pursuant to
Section 5.3(c) and the Employee  thereafter is required to make a payment of any
Excise Tax, the Accounting Firm shall  determine the amount of the  Underpayment
that has  occurred  and any such  Underpayment  shall  be  promptly  paid by the
Company to or for the benefit of the Employee.

                                       4
<PAGE>
         (c) The  Employee  shall  notify the Company in writing of any claim by
the Internal  Revenue Service that, if successful,  would require the payment by
the Company of the Gross-Up Payment. Such notification shall be given as soon as
practicable  but no later than ten business  days after the Employee is informed
in  writing of such claim and shall  apprise  the  Company of the nature of such
claim and the date on which such claim is  requested  to be paid.  The  Employee
shall not pay such claim prior to the expiration of the 30-day period  following
the date on which it gives such notice to the Company  (or such  shorter  period
ending on the date that any payment of taxes with respect to such claim is due).
If the Company  notifies the Employee in writing prior to the expiration of such
period that it desires to contest such claim, the Employee shall:

         (i) give  the  Company  any  information  reasonably  requested  by the
Company relating to such claim,

         (ii) take such action in connection  with  contesting such claim as the
Company  shall  reasonably  request  in  writing  from time to time,  including,
without limitation, accepting legal representation with respect to such claim by
an attorney reasonably selected by the Company,

         (iii) cooperate with the Company in good faith in order  effectively to
contest such claim, and

         (iv) permit the  Company  to participate in any proceedings relating to
such claim;

provided,  however,  that the Company  shall bear and pay directly all costs and
expenses  (including  additional  interest and penalties) incurred in connection
with such  contest and shall  indemnify  and hold the Employee  harmless,  on an
after-tax  basis,  for any  Excise  Tax or income tax  (including  interest  and
penalties with respect thereto) imposed as a result of such  representation  and
payment of costs and expenses. Without limitation on the foregoing provisions of
this  Section  5.3(c),  the  Company  shall  control  all  proceedings  taken in
connection  with such contest  and, at its sole option,  may pursue or forgo any
and all administrative appeals,  proceedings,  hearings and conferences with the
taxing  authority in respect of such claim and may, at its sole  option,  either
direct the  Employee  to pay the tax claimed and sue for a refund or contest the
claim in any  permissible  manner,  and the Employee  agrees to  prosecute  such
contest to a determination  before any  administrative  tribunal,  in a court of
initial  jurisdiction and in one or more appellate  courts, as the Company shall
determine;  provided,  however,  that if the Company directs the Employee to pay
such claim and sue for a refund,  the Company  shall  advance the amount of such
payment to the Employee,  on an interest-free basis and shall indemnify and hold
the Employee harmless,  on an after-tax basis, from any Excise Tax or income tax
(including  interest or penalties with respect  thereto) imposed with respect to
the such  advance or with  respect to any imputed  income  with  respect to such
advance;  and further  provided that any extension of the statute of limitations
relating to payment of taxes for the taxable year of the  Employee  with respect
to which such  contested  amount is claimed to be due is limited  solely to such
contested  amount.  Furthermore,  the Company's  control of the contest shall be
limited to issues  with  respect to which a  Gross-Up  Payment  would be payable
hereunder and the Employee  shall be entitled to settle or contest,  as the case
may be, any other  issue  raised by the  Internal  Revenue  Service or any other
taxing authority.

         (d) If, after the receipt by the Employee of an amount  advanced by the
Company pursuant to Section 5.3(c), the Employee becomes entitled to receive any
refund with respect to such claim,  the Employee shall (subject to the Company's
employing with the  requirements  of Section 5.3 promptly pay to the Company the
amount of such refund (together with any interest paid or credited thereon after
taxes  applicable  thereto).  If, after the receipt by the Employee of an amount
advanced by the Company pursuant to Section 5.3(c), a determination is made that
the Employee  shall not be entitled to any refund with respect to such claim and
the  Company  does not notify the  Employee  in writing of its intent to contest
such  denial  of  refund  prior  to  the   expiration  of  30  days  after  such
determination,  then such advance shall be forgiven and shall not be required to
be repaid and the amount of such advance  shall offset,  to the extent  thereof,
the amount of Gross-Up Payment required to be paid.

6.       Covenants.

         6.1  Employee  agrees  that  any  and  all  confidential  knowledge  or
information,  including but not limited to customer lists, books, records, data,
formulae,  specifications,  inventions,  processes and methods, and developments
and  improvements,  which have been or may be obtained or learned by Employee in
the course of his  employment  with the Company,  will be held  confidential  by
Employee, and that Employee shall not disclose the same to any person outside of
the  Company  either  during  his  employment  with the  Company  or  after  his
employment by the Company has terminated.

         6.2 Employee  agrees that upon  termination of his employment  with the
Company he will  immediately  surrender  and turn over to the Company all books,
records,  forms,  specifications,  formulae,  data,  and all papers and writings
relating to the business of the Company and all other property  belonging to the
Company,  it being  understood and agreed that the same are the sole property of
the Company and that Employee shall not make or retain any copies thereof.

                                       5
<PAGE>
         6.3 Employee agrees that all  inventions,  developments or improvements
which he has made or may make, conceive,  invent,  discover or otherwise acquire
during his employment with the Company in the scope of his  responsibilities  or
otherwise shall become the sole property of the Company.

         6.4 Employee  agrees to provide a release of any claims with respect to
termination  of his or her  employment  on such form as requested by the Company
upon payment of the sums provided in Section 4.3 above.

7.       Miscellaneous Provisions.

         7.1 All terms and  conditions  of this  Agreement are set forth herein,
and there are no warranties,  agreements or understandings,  express or implied,
except those expressly set forth herein.

         7.2 Any  modification  to  this  Agreement  shall  be  binding  only if
evidenced in writing signed by all parties hereto.

         7.3 Any notice or other communication required or permitted to be given
hereunder shall be deemed properly given if personally delivered or deposited in
the United States mail,  registered or certified and postage prepaid,  addressed
to the Company at 2141 Rosecrans  Ave.,  Suite 4000, El Segundo,  CA (Attention:
General Counsel),  or to Employee at his or her most recent home address on file
with Company,  or at other such addresses as may from time to time be designated
in writing by the respective parties.

         7.4 The laws of the State of  California  shall  govern the validity of
this Agreement,  the  construction of its terms, and the  interpretation  of the
rights and duties of the parties involved.

         7.5 In the event that any one or more of the  provisions  contained  in
this  Agreement  shall  for  any  reason  be  held  to be  invalid,  illegal  or
unenforceable,  the same shall not affect any other provision of this Agreement,
but  this  Agreement  shall  be  construed  as  if  such  invalid,   illegal  or
unenforceable provisions had never been contained herein.

         7.6 This Agreement  shall be binding upon, and inure to the benefit of,
the  successors  and assigns of the Company  and the  personal  representatives,
heirs and legatees of Employee.

         7.7 "Bonus" refers to the Unocal  Incentive  Compensation  Plan and any
replacement  or  successor  plan thereof.

         7.8 Company shall pay 90% (ninety percent) of Employee's  out-of-pocket
litigation expenses,  including  reasonable  attorney's fees, in connection with
any judicial  proceeding to enforce this  Agreement or construe or determine the
validity of this  Agreement,  whether or not the Employee is  successful in such
proceeding.

         7.9 The  term  "Company"  shall  include  with  respect  to  employment
hereunder,  any  subsidiary or affiliate of the Company as well as any successor
employer following a Change in Control.

         7.10 This  Agreement  succeeds  and  replaces  that  Unocal  Employment
Agreement which was effective December 8, 1997 between Company and Employee.


IN WITNESS WHEREOF, the parties have executed this Agreement effective as of the
date first above written.

BY:
         Chairman of the Management Development and
         Compensation Committee of the Unocal
         Board of Directors

BY:
         EMPLOYEE

                                       6


                                                                    EXHIBIT 10.9

                           UNOCAL EMPLOYMENT AGREEMENT

         This  employment  agreement (the  "Agreement")  is made effective as of
July 28, 1998 by and between Unocal  Corporation,  a Delaware  corporation  (the
"Company") and John W. Schanck, Group Vice President & President,  Spirit Energy
76 ("Employee").

         In  consideration  of the  mutual  promises  and  agreements  set forth
herein, the Company and Employee agree as follows:

1.       Term.

         1.1 The term of this  Agreement (the "Term") shall commence on July 28,
1998 and shall be for two years,  subject to earlier  termination  in accordance
with the  provisions  of Section 4  hereinbelow.  If the  Agreement has not been
subject to early  termination  in  accordance  with the  provisions of Section 4
hereinbelow,  beginning  on July 28, 1998 and on each day  thereafter,  the Term
shall  automatically  be  extended  for an  additional  day unless  the  Company
notifies  Employee in writing that it does not wish to further  extend the Term.
Notwithstanding  the  foregoing,  this  Agreement  shall end  automatically  and
without  additional  notice  on the  date of the  Company's  Annual  Meeting  of
Shareholders  that  next  follows  the  date of  Employee's  sixty-fifth  (65th)
birthday.

2.       Position and Title.

         2.1 The Company on behalf of itself and its affiliates and subsidiaries
hereby employs  Employee as Group Vice President & President,  Spirit Energy 76,
and Employee hereby accepts such employment.

         2.2 Employee  shall devote  substantially  all of his efforts on a full
time basis to the  business  and  affairs of the Company and shall not engage in
any business or perform any services in any capacity  whatsoever  adverse to the
interests of the Company.

         2.3 Employee shall at all times faithfully,  industriously,  and to the
best of his ability,  experience,  and talents, perform all of the duties of his
position.

3.       Compensation.

         3.1 As of the date of this Agreement,  Employee's annual base salary is
$365,004.  Employee's base salary and performance shall be reviewed periodically
at intervals approved by the Management  Development and Compensation  Committee
of the Board of Directors of the Company (the "Committee"),  and Employee's base
salary  may be  increased  from  time to  time  based  on  merit  or such  other
consideration as the Committee may deem appropriate.

         3.2 During the Term, Employee shall participate in all of the Company's
incentive  plans,  benefit  plans and  perquisites,  and in any new or successor
incentive plans,  benefit plans and perquisites,  that are generally provided to
executives of the Company with a level of responsibility  and stature comparable
to  Employee.   Performance  goals,  award  opportunity,   benefit  levels,  and
administrative guidelines for such plans shall be subject to review and approval
by the Committee.

4.       Termination of Employment.

         4.1 During the Term,  the Company may terminate  Employee's  employment
herein at any time for Cause or as a result of a material  breach by Employee of
his obligations under this Agreement,  provided however that, except in the case
of conviction of a felony, the Company shall provide Employee with not less than
sixty (60) days prior written notice describing the behavior or conduct which is
alleged by the Company to constitute  Cause, and Employee shall be provided with
reasonable  opportunity  to correct such  behavior or conduct  within the notice
period. For purposes of this Agreement,  Cause shall be defined as any or all of
the following:

         (1)      Conduct  or  action  by  Employee  which, in  the opinion of a
                  majority of the Board of  Directors, is  materially harmful to
                  the Company;


<PAGE>
         (2)      Willful  failure by  Employee to follow an order of the Board,
                  except in such case where the Employee  believes in good faith
                  that following  such order would be materially  detrimental to
                  the interests of the Company;

         (3)      Employee's conviction of a felony.

         4.2 In the  event  that  Employee's  employment  is  terminated  by the
Company for any reason other than those set forth in Paragraph 4.1  hereinabove,
or, (a)  Employee's  annual  base salary is reduced  below the amount  stated in
Paragraph 3.1 hereinabove  (unless such reduction is part of an across the board
reduction   affecting  all  Company   executives  with  a  comparable  level  of
responsibility,  title or  stature),  or (b)  Employee is removed from or denied
participation  in incentive  plans,  benefit  plans,  or  perquisites  generally
provided  by the  Company  to  other  executives  with  a  comparable  level  of
responsibility,   title  or  stature,   or  (c)  Employee's   target   incentive
opportunity,  benefits or perquisites are reduced  relative to other  executives
with comparable  responsibility,  title or stature,  or (d) Employee is assigned
duties or  obligations  inconsistent  with his position  with the Company or (e)
There is a significant change in the nature and scope of Employee's authority or
his overall  working  environment,  such event shall be considered a Termination
Without Cause.

         4.3      In the event of Employee's  Termination  Without Cause at  any
                  time during the Term of this  Agreement, then:

         (1)      The Company  shall pay  Employee a lump-sum  severance  amount
                  within thirty (30) days  following  Termination  Without Cause
                  equal  to two  (2)  times  the sum of (a)  the  higher  of the
                  Employee's  annual  base  salary  at the  time of  Termination
                  Without  Cause or the annual base salary  stated in  Paragraph
                  3.1  hereinabove,  and (b) the average  annual Bonus earned by
                  Employee  (whether  paid  in  cash  or  deferred)  for the two
                  completed  fiscal  years   immediately  prior  to  Termination
                  Without  Cause,  reduced by the amount of any Unocal  Employee
                  Redeployment  Program  and/or  Unocal  Termination   Allowance
                  benefits payable to Employee.

         (2)      The Company  shall  provide for  Employee to receive  medical,
                  dental,  life, and disability  insurance  coverage for two (2)
                  years following  Termination Without Cause at levels and a net
                  cost to  Employee  comparable  to that  provided  to  Employee
                  immediately prior to Employee's Termination Without Cause.

         (3)      The  Company  shall  pay  Employee  an   additional   lump-sum
                  severance amount within thirty (30) days following  Employee's
                  Termination  Without  Cause  equal to two (2)  times  the base
                  salary used to  determine  the lump-sum  severance  benefit in
                  paragraph 4.3(1) hereinabove, multiplied by 6% (.06).

         4.4 In the event that during the Term of this Agreement Employee should
voluntarily  resign  from the  Company,  should  terminate  employment  with the
Company due to death,  permanent disability or incapacitation,  or is terminated
by the Company for Cause or for a material breach by Employee of his obligations
under  this  Agreement,  then  Employee  shall  not  be  entitled  to any of the
termination benefits provided for in Paragraph 4.3 hereinabove,  and the Term of
the Agreement shall immediately end.

         4.5 Employee  shall not be obligated to seek other  employment  or take
any other action by way of mitigation of the amounts  payable to Employee  under
any provisions of this Agreement.

5.       Change of Control.

         5.1    In the event of a Change of Control of the  Company  at any time
during the Term of this  Agreement, then:

                                       2
<PAGE>
         (1)      In the event of Employee's  Termination  Without  Cause within
                  a period of twenty-four  (24) months following the   date of a
                  Change  of  Control,  Employee  shall  be    entitled  to  the
                  termination benefits described in   Paragraph 4.3 hereinabove;
                  provided that the lump-sum   severance amount paid to Employee
                  under  this Paragraph  5.1(1),  which  is calculated  based on
                  Paragraphs  4.3(1)  and  4.3(3)  hereinabove,    shall  be (a)
                  reduced  to  equal the present value, determined in accordance
                  with Section  280G(d)(4)  of the Internal    Revenue Code (the
                  "IRC"),  of  the  lump-sum   severance  amount  which    would
                  otherwise be payable under   Paragraphs 4.3(1) and 4.3(3), and
                  (b) reduced to offset  compensation  and   other earned income
                  by Employee   in the manner provided for in Paragraphs  5.1(2)
                  and 5.1(3) below.

         (2)      The  lump-sum  severance  amounts  payable to  Employee  under
                  Paragraphs  4.3(1) and 4.3(3)  shall be reduced by one hundred
                  percent  (100%) of any  compensation  and other earned  income
                  (within the meaning of Section  911(d)(2)(A) of the IRC) which
                  is earned by  Employee  for  services  rendered  to persons or
                  entities other than the Company or its  affiliates  during the
                  three  years  immediately  following  Employee's   Termination
                  Without Cause.

         (3)      Not less  frequently  than  annually  beginning  on the  first
                  anniversary  following  Employee's  Termination Without Cause,
                  Employee  shall  account to the  Company  with  respect to all
                  compensation  and other earned income earned by Employee which
                  is  required  hereunder  to be  offset  against  the  lump-sum
                  severance  amount  received by Employee from the Company under
                  Paragraphs  5.1(1)  and  5.1(2).  If the  Company  has  paid a
                  lump-sum  severance  amount in  excess of the  amount to which
                  Employee  is  entitled  (after  giving  effect to the  offsets
                  provided for above),  Employee shall reimburse the Company for
                  such excess  within thirty (30) days of the  determination  of
                  such excess.  The  requirements  imposed under this  Paragraph
                  5.1(3) shall terminate thirty (30) days immediately  following
                  the  second  anniversary  of  Employee's  Termination  Without
                  Cause.

         5.2 For the  purpose of this  Agreement,  a "Change of  Control"  shall
mean:

         (a) The  acquisition  by any  individual,  entity or group  (within the
meaning of Section 13(d)(3) or 14(d)(2) of the Securities  Exchange Act of 1934,
as amended (the "Exchange Act")(a "Person") of beneficial  ownership (within the
meaning  of Rule 13d-3  promulgated  under the  Exchange  Act) of 20% or more of
either  (i) the then  outstanding  shares of common  stock of the  Company  (the
"Outstanding  Company  Common  Stock") or (ii) the combined  voting power of the
then outstanding  voting securities of the Company entitled to vote generally in
the  election  of  directors  (the  "outstanding  Company  Voting  Securities");
provided,  however,  that for purposes of this  subsection  (a),  the  following
acquisitions  shall not  constitute  a Change of  Control:  (i) any  acquisition
directly  from the  Company,  (ii) any  acquisition  by the  Company,  (iii) any
acquisition  by an  employee  benefit  plan  (or  related  trust)  sponsored  or
maintained by the Company or any  corporation  controlled by the Company or (iv)
any acquisition by any corporation pursuant to a transaction which complies with
clauses (i), (ii) and (iii) of subsection (c) of this Section 5.2; or

         (b) Individuals  who, as of the date hereof,  constitute the Board (the
"Incumbent Board") cease for any reason to constitute at least a majority of the
Board; provided,  however, that any individual becoming a director subsequent to
the date hereof whose  election,  or  nomination  for election by the  Company's
shareholders,  was  approved by a vote of at least a majority  of the  directors
then  comprising  the  Incumbent  Board  shall  be  considered  as  though  such
individual  were a  member  of the  Incumbent  Board,  but  excluding,  for this
purpose,  any such  individual  whose  initial  assumption of office occurs as a
result of an actual or threatened  election contest with respect to the election
or removal of directors or other actual or threatened solicitation of proxies or
consents by or on behalf of a Person other than the Board; or

                                       3
<PAGE>
         (c) Consummation of a  reorganization,  merger or consolidation or sale
or other disposition of all or substantially all of the assets of the Company or
the acquisition of assets of another corporation (a "Business Combination"),  in
each case, unless, following such Business Combination, (i) all or substantially
all  of  the   individuals   and  entities  who  were  the  beneficial   owners,
respectively,  of the Outstanding  Company Common Stock and Outstanding  Company
Voting Securities  immediately prior to such Business  Combination  beneficially
own,  directly  or  indirectly,  more  than  50%  of,  respectively,   the  then
outstanding  shares of common  stock and the  combined  voting power of the then
outstanding  voting  securities  entitled to vote  generally  in the election of
directors,  as the case may be, of the corporation  resulting from such Business
Combination (including,  without limitation,  a corporation which as a result of
such transaction  owns the Company or all or substantially  all of the Company's
assets either directly or through one or more subsidiaries) in substantially the
same  proportions  as  their  ownership,  immediately  prior  to  such  Business
Combination  of the  Outstanding  Company Common Stock and  Outstanding  Company
Voting Securities, as the case may be, (ii) no Person (excluding any corporation
resulting  from such  Business  Combination  or any  employee  benefit  plan (or
related trust) of the Company or such  corporation  resulting from such Business
Combination)  beneficially  owns,  directly  or  indirectly,  20%  or  more  of,
respectively,  the then  outstanding  shares of common stock of the  corporation
resulting  from such Business  Combination  or the combined  voting power of the
then outstanding voting securities of such corporation except to the extent that
such ownership  existed prior to the Business  Combination  and (iii) at least a
majority of the members of the board of directors of the  corporation  resulting
from such Business  Combination  were members of the Incumbent Board at the time
of the  execution  of the  initial  agreement,  or of the  action of the  Board,
providing for such Business Combination; or

         (d)  Approval  by  the  shareholders  of  the  Company  of  a  complete
liquidation or dissolution of the Company.

         5.3   Certain Additional Payments by the Company may be due as follows:

         (a)  Anything in this  Agreement to the  contrary  notwithstanding  and
except as set forth below,  in the event it shall be determined that any payment
or  distribution  by the Company or its  affiliates to or for the benefit of the
Employee  (whether paid or payable or distributed or  distributable  pursuant to
the terms of this  Agreement or otherwise but  determined  without regard to any
additional  payments  required  under this Section 5.3), (a "Payment")  would be
subject to the excise tax imposed by Section 4999 of the Code or any interest or
penalties  are  incurred by the  Employee  with respect to such excise tax (such
excise tax,  together  with any such  interest and  penalties,  are  hereinafter
collectively  referred  to as the  "Excise  Tax"),  then the  Employee  shall be
entitled to receive an  additional  payment (a "Gross-Up  Payment") in an amount
such that after payment by the Employee of all taxes  (including any interest or
penalties imposed with respect to such taxes),  including,  without  limitation,
any income taxes (and any interest and penalties  imposed with respect  thereto)
and Excise Tax imposed upon the Gross-Up Payment, the Employee retains an amount
of the  Gross-Up  Payment  equal to the Excise Tax  imposed  upon the  Payments.
Notwithstanding  the  foregoing  provisions  of this Section 5.3, if it shall be
determined  that the  Employee is entitled to a Gross-Up  Payment,  but that the
Payments do not exceed 110% of the greatest  amount (the "Reduced  Amount") that
could be paid to the Employee  such that the receipt of Payments  would not give
rise to any Excise Tax,  then no Gross-Up  Payment shall be made to the Employee
and the Payments, in the aggregate, shall be reduced to the Reduced Amount.

         (b) Subject to the  provisions of Section  5.3(c),  all  determinations
required  to be made  under  this  Section  5.3,  including  whether  and when a
Gross-Up  Payment is required  and the amount of such  Gross-Up  Payment and the
assumptions to be utilized in arriving at such  determination,  shall be made by
Ernst  and  Young  or such  other  certified  public  accounting  firm as may be
designated by the Employee (the "Accounting  Firm") which shall provide detailed
supporting  calculations both to the Company and the Employee within 15 business
days of the receipt of notice from the  Employee  that there has been a Payment,
or such  earlier  time as is  requested  by the  Company.  In the event that the
Accounting Firm is serving as accountant or auditor for the  individual,  entity
or group  effecting the Change of Control,  the Employee  shall appoint  another
nationally  recognized  accounting  firm to  make  the  determinations  required
hereunder  (which  accounting  firm shall then be referred to as the  Accounting
Firm  hereunder).  All fees and expenses of the  Accounting  Firm shall be borne
solely by the Company.  Any Gross-Up  Payment,  as  determined  pursuant to this
Section 5.3,  shall be paid by the Company to the  Employee  within five days of
the receipt of the Accounting  Firm's  determination.  Any  determination by the
Accounting Firm shall be binding upon the Company and the Employee.  As a result
of the uncertainty in the application of Section 4999 of the Code at the time of
the initial determination by the Accounting Firm hereunder,  it is possible that
Gross-Up  Payments which will not have been made by the Company should have been
made  ("Underpayment"),  consistent  with the  calculations  required to be made
hereunder.  In the event that the  Company  exhausts  its  remedies  pursuant to
Section 5.3(c) and the Employee  thereafter is required to make a payment of any
Excise Tax, the Accounting Firm shall  determine the amount of the  Underpayment
that has  occurred  and any such  Underpayment  shall  be  promptly  paid by the
Company to or for the benefit of the Employee.

                                       4
<PAGE>
        (c) The  Employee  shall  notify the Company in writing of any claim by
the Internal  Revenue Service that, if successful,  would require the payment by
the Company of the Gross-Up Payment. Such notification shall be given as soon as
practicable  but no later than ten business  days after the Employee is informed
in  writing of such claim and shall  apprise  the  Company of the nature of such
claim and the date on which such claim is  requested  to be paid.  The  Employee
shall not pay such claim prior to the expiration of the 30-day period  following
the date on which it gives such notice to the Company  (or such  shorter  period
ending on the date that any payment of taxes with respect to such claim is due).
If the Company  notifies the Employee in writing prior to the expiration of such
period that it desires to contest such claim, the Employee shall:

         (i) give  the  Company  any  information  reasonably  requested  by the
Company relating to such claim,

         (ii) take such action in connection  with  contesting such claim as the
Company  shall  reasonably  request  in  writing  from time to time,  including,
without limitation, accepting legal representation with respect to such claim by
an attorney reasonably selected by the Company,

         (iii) cooperate with the Company in good faith in order  effectively to
contest such claim, and

         (iv) permit the Company to participate in any  proceedings  relating to
such claim;

provided,  however,  that the Company  shall bear and pay directly all costs and
expenses  (including  additional  interest and penalties) incurred in connection
with such  contest and shall  indemnify  and hold the Employee  harmless,  on an
after-tax  basis,  for any  Excise  Tax or income tax  (including  interest  and
penalties with respect thereto) imposed as a result of such  representation  and
payment of costs and expenses. Without limitation on the foregoing provisions of
this  Section  5.3(c),  the  Company  shall  control  all  proceedings  taken in
connection  with such contest  and, at its sole option,  may pursue or forgo any
and all administrative appeals,  proceedings,  hearings and conferences with the
taxing  authority in respect of such claim and may, at its sole  option,  either
direct the  Employee  to pay the tax claimed and sue for a refund or contest the
claim in any  permissible  manner,  and the Employee  agrees to  prosecute  such
contest to a determination  before any  administrative  tribunal,  in a court of
initial  jurisdiction and in one or more appellate  courts, as the Company shall
determine;  provided,  however,  that if the Company directs the Employee to pay
such claim and sue for a refund,  the Company  shall  advance the amount of such
payment to the Employee,  on an interest-free basis and shall indemnify and hold
the Employee harmless,  on an after-tax basis, from any Excise Tax or income tax
(including  interest or penalties with respect  thereto) imposed with respect to
the such  advance or with  respect to any imputed  income  with  respect to such
advance;  and further  provided that any extension of the statute of limitations
relating to payment of taxes for the taxable year of the  Employee  with respect
to which such  contested  amount is claimed to be due is limited  solely to such
contested  amount.  Furthermore,  the Company's  control of the contest shall be
limited to issues  with  respect to which a  Gross-Up  Payment  would be payable
hereunder and the Employee  shall be entitled to settle or contest,  as the case
may be, any other  issue  raised by the  Internal  Revenue  Service or any other
taxing authority.

         (d) If, after the receipt by the Employee of an amount  advanced by the
Company pursuant to Section 5.3(c), the Employee becomes entitled to receive any
refund with respect to such claim,  the Employee shall (subject to the Company's
employing with the  requirements  of Section 5.3 promptly pay to the Company the
amount of such refund (together with any interest paid or credited thereon after
taxes  applicable  thereto).  If, after the receipt by the Employee of an amount
advanced by the Company pursuant to Section 5.3(c), a determination is made that
the Employee  shall not be entitled to any refund with respect to such claim and
the  Company  does not notify the  Employee  in writing of its intent to contest
such  denial  of  refund  prior  to  the   expiration  of  30  days  after  such
determination,  then such advance shall be forgiven and shall not be required to
be repaid and the amount of such advance  shall offset,  to the extent  thereof,
the amount of Gross-Up Payment required to be paid.

6.       Covenants.

         6.1  Employee  agrees  that  any  and  all  confidential  knowledge  or
information,  including but not limited to customer lists, books, records, data,
formulae,  specifications,  inventions,  processes and methods, and developments
and  improvements,  which have been or may be obtained or learned by Employee in
the course of his  employment  with the Company,  will be held  confidential  by
Employee, and that Employee shall not disclose the same to any person outside of
the  Company  either  during  his  employment  with the  Company  or  after  his
employment by the Company has terminated.

         6.2 Employee  agrees that upon  termination of his employment  with the
Company he will  immediately  surrender  and turn over to the Company all books,
records,  forms,  specifications,  formulae,  data,  and all papers and writings
relating to the business of the Company and all other property  belonging to the
Company,  it being  understood and agreed that the same are the sole property of
the Company and that Employee shall not make or retain any copies thereof.

                                       5
<PAGE>
         6.3 Employee agrees that all  inventions,  developments or improvements
which he has made or may make, conceive,  invent,  discover or otherwise acquire
during his employment with the Company in the scope of his  responsibilities  or
otherwise shall become the sole property of the Company.

         6.4 Employee  agrees to provide a release of any claims with respect to
termination  of his or her  employment  on such form as requested by the Company
upon payment of the sums provided in Section 4.3 above.

7.       Miscellaneous Provisions.

         7.1 All terms and  conditions  of this  Agreement are set forth herein,
and there are no warranties,  agreements or understandings,  express or implied,
except those expressly set forth herein.

         7.2 Any  modification  to  this  Agreement  shall  be  binding  only if
evidenced in writing signed by all parties hereto.

         7.3 Any notice or other communication required or permitted to be given
hereunder shall be deemed properly given if personally delivered or deposited in
the United States mail,  registered or certified and postage prepaid,  addressed
to the Company at 2141 Rosecrans  Ave.,  Suite 4000, El Segundo,  CA (Attention:
General Counsel),  or to Employee at his or her most recent home address on file
with Company,  or at other such addresses as may from time to time be designated
in writing by the respective parties.

         7.4 The laws of the State of  California  shall  govern the validity of
this Agreement,  the  construction of its terms, and the  interpretation  of the
rights and duties of the parties involved.

         7.5 In the event that any one or more of the  provisions  contained  in
this  Agreement  shall  for  any  reason  be  held  to be  invalid,  illegal  or
unenforceable,  the same shall not affect any other provision of this Agreement,
but  this  Agreement  shall  be  construed  as  if  such  invalid,   illegal  or
unenforceable provisions had never been contained herein.

         7.6 This Agreement  shall be binding upon, and inure to the benefit of,
the  successors  and assigns of the Company  and the  personal  representatives,
heirs and legatees of Employee.

         7.7 "Bonus" refers to the Unocal  Incentive  Compensation  Plan and any
replacement  or  successor  plan thereof.

         7.8 Company shall pay 90% (ninety percent) of Employee's  out-of-pocket
litigation expenses,  including  reasonable  attorney's fees, in connection with
any judicial  proceeding to enforce this  Agreement or construe or determine the
validity of this  Agreement,  whether or not the Employee is  successful in such
proceeding.

         7.9 The  term  "Company"  shall  include  with  respect  to  employment
hereunder,  any  subsidiary or affiliate of the Company as well as any successor
employer following a Change in Control.

         7.10 This  Agreement  succeeds  and  replaces  that  Unocal  Employment
Agreement which was effective December 8, 1997 between Company and Employee.


IN WITNESS WHEREOF, the parties have executed this Agreement effective as of the
date first above written.

BY:
         Chairman of the Management Development and
         Compensation Committee of the Unocal
         Board of Directors

BY:
         EMPLOYEE

                                       6


                                                                   EXHIBIT 10.10

                           UNOCAL EMPLOYMENT AGREEMENT

         This  employment  agreement (the  "Agreement")  is made effective as of
July 28, 1998 by and between Unocal  Corporation,  a Delaware  corporation  (the
"Company") and Lucius E. Scott, Jr., Group Vice President  Diversified  Business
("Employee").

         In  consideration  of the  mutual  promises  and  agreements  set forth
herein, the Company and Employee agree as follows:

1.       Term.

         1.1 The term of this  Agreement (the "Term") shall commence on July 28,
1998 and shall be for two years,  subject to earlier  termination  in accordance
with the  provisions  of Section 4  hereinbelow.  If the  Agreement has not been
subject to early  termination  in  accordance  with the  provisions of Section 4
hereinbelow,  beginning  on July 28, 1998 and on each day  thereafter,  the Term
shall  automatically  be  extended  for an  additional  day unless  the  Company
notifies  Employee in writing that it does not wish to further  extend the Term.
Notwithstanding  the  foregoing,  this  Agreement  shall end  automatically  and
without  additional  notice  on the  date of the  Company's  Annual  Meeting  of
Shareholders  that  next  follows  the  date of  Employee's  sixty-fifth  (65th)
birthday.

2.       Position and Title.

         2.1 The Company on behalf of itself and its affiliates and subsidiaries
hereby  employs  Employee  as Group Vice  President  Diversified  Business,  and
Employee hereby accepts such employment.

         2.2 Employee  shall devote  substantially  all of his efforts on a full
time basis to the  business  and  affairs of the Company and shall not engage in
any business or perform any services in any capacity  whatsoever  adverse to the
interests of the Company.

         2.3 Employee shall at all times faithfully,  industriously,  and to the
best of his ability,  experience,  and talents, perform all of the duties of his
position.

3.       Compensation.

         3.1 As of the date of this Agreement,  Employee's annual base salary is
$310,008.  Employee's base salary and performance shall be reviewed periodically
at intervals approved by the Management  Development and Compensation  Committee
of the Board of Directors of the Company (the "Committee"),  and Employee's base
salary  may be  increased  from  time to  time  based  on  merit  or such  other
consideration as the Committee may deem appropriate.

         3.2 During the Term, Employee shall participate in all of the Company's
incentive  plans,  benefit  plans and  perquisites,  and in any new or successor
incentive plans,  benefit plans and perquisites,  that are generally provided to
executives of the Company with a level of responsibility  and stature comparable
to  Employee.   Performance  goals,  award  opportunity,   benefit  levels,  and
administrative guidelines for such plans shall be subject to review and approval
by the Committee.

4.       Termination of Employment.

         4.1 During the Term,  the Company may terminate  Employee's  employment
herein at any time for Cause or as a result of a material  breach by Employee of
his obligations under this Agreement,  provided however that, except in the case
of conviction of a felony, the Company shall provide Employee with not less than
sixty (60) days prior written notice describing the behavior or conduct which is
alleged by the Company to constitute  Cause, and Employee shall be provided with
reasonable  opportunity  to correct such  behavior or conduct  within the notice
period. For purposes of this Agreement,  Cause shall be defined as any or all of
the following:

         (1)      Conduct  or  action  by  Employee  which,  in the opinion of a
                  majority of the  Board  of Directors, is materially harmful to
                  the Company;


<PAGE>
         (2)      Willful  failure by  Employee to follow an order of the Board,
                  except in such case where the Employee  believes in good faith
                  that following  such order would be materially  detrimental to
                  the interests of the Company;

         (3)      Employee's conviction of a felony.

         4.2 In the  event  that  Employee's  employment  is  terminated  by the
Company for any reason other than those set forth in Paragraph 4.1  hereinabove,
or, (a)  Employee's  annual  base salary is reduced  below the amount  stated in
Paragraph 3.1 hereinabove  (unless such reduction is part of an across the board
reduction   affecting  all  Company   executives  with  a  comparable  level  of
responsibility,  title or  stature),  or (b)  Employee is removed from or denied
participation  in incentive  plans,  benefit  plans,  or  perquisites  generally
provided  by the  Company  to  other  executives  with  a  comparable  level  of
responsibility,   title  or  stature,   or  (c)  Employee's   target   incentive
opportunity,  benefits or perquisites are reduced  relative to other  executives
with comparable  responsibility,  title or stature,  or (d) Employee is assigned
duties or  obligations  inconsistent  with his position  with the Company or (e)
There is a significant change in the nature and scope of Employee's authority or
his overall  working  environment,  such event shall be considered a Termination
Without Cause.

         4.3      In the event of Employee's  Termination  Without  Cause at any
                  time during the Term of this  Agreement, then:

         (1)      The Company  shall pay  Employee a lump-sum  severance  amount
                  within thirty (30) days  following  Termination  Without Cause
                  equal  to two  (2)  times  the sum of (a)  the  higher  of the
                  Employee's  annual  base  salary  at the  time of  Termination
                  Without  Cause or the annual base salary  stated in  Paragraph
                  3.1  hereinabove,  and (b) the average  annual Bonus earned by
                  Employee  (whether  paid  in  cash  or  deferred)  for the two
                  completed  fiscal  years   immediately  prior  to  Termination
                  Without  Cause,  reduced by the amount of any Unocal  Employee
                  Redeployment  Program  and/or  Unocal  Termination   Allowance
                  benefits payable to Employee.

         (2)      The Company  shall  provide for  Employee to receive  medical,
                  dental,  life, and disability  insurance  coverage for two (2)
                  years following  Termination Without Cause at levels and a net
                  cost to  Employee  comparable  to that  provided  to  Employee
                  immediately prior to Employee's Termination Without Cause.

         (3)      The  Company  shall  pay  Employee  an   additional   lump-sum
                  severance amount within thirty (30) days following  Employee's
                  Termination  Without  Cause  equal to two (2)  times  the base
                  salary used to  determine  the lump-sum  severance  benefit in
                  paragraph 4.3(1) hereinabove, multiplied by 6% (.06).

         4.4 In the event that during the Term of this Agreement Employee should
voluntarily  resign  from the  Company,  should  terminate  employment  with the
Company due to death,  permanent disability or incapacitation,  or is terminated
by the Company for Cause or for a material breach by Employee of his obligations
under  this  Agreement,  then  Employee  shall  not  be  entitled  to any of the
termination benefits provided for in Paragraph 4.3 hereinabove,  and the Term of
the Agreement shall immediately end.

         4.5 Employee  shall not be obligated to seek other  employment  or take
any other action by way of mitigation of the amounts  payable to Employee  under
any provisions of this Agreement.

5.       Change of Control.

         5.1      In the  event of a  Change of Control  of the  Company  at any
time  during the Term of this  Agreement, then:

                                       2
<PAGE>
         (1)      In  the  event of Employee's  Termination Without Cause within
                  a  period  of twenty-four  (24) months following the date of a
                  Change  of  Control,  Employee   shall  be   entitled  to  the
                  termination benefits described in Paragraph   4.3 hereinabove;
                  provided that the lump-sum severance amount   paid to Employee
                  under this Paragraph  5.1(1),  which is calculated    based on
                  Paragraphs  4.3(1)  and  4.3(3)  hereinabove,  shall    be (a)
                  reduced   to equal the present value, determined in accordance
                  with  Section   280G(d)(4)  of the Internal  Revenue Code (the
                  "IRC"),  of  the    lump-sum   severance  amount  which  would
                  otherwise be   payable under Paragraphs 4.3(1) and 4.3(3), and
                  (b)   reduced to offset  compensation  and other earned income
                  by   Employee in the manner provided for in Paragraphs  5.1(2)
                  and 5.1(3) below.

         (2)      The  lump-sum  severance  amounts  payable to  Employee  under
                  Paragraphs  4.3(1) and 4.3(3)  shall be reduced by one hundred
                  percent  (100%) of any  compensation  and other earned  income
                  (within the meaning of Section  911(d)(2)(A) of the IRC) which
                  is earned by  Employee  for  services  rendered  to persons or
                  entities other than the Company or its  affiliates  during the
                  three  years  immediately  following  Employee's   Termination
                  Without Cause.

         (3)      Not less  frequently  than  annually  beginning  on the  first
                  anniversary  following  Employee's  Termination Without Cause,
                  Employee  shall  account to the  Company  with  respect to all
                  compensation  and other earned income earned by Employee which
                  is  required  hereunder  to be  offset  against  the  lump-sum
                  severance  amount  received by Employee from the Company under
                  Paragraphs  5.1(1)  and  5.1(2).  If the  Company  has  paid a
                  lump-sum  severance  amount in  excess of the  amount to which
                  Employee  is  entitled  (after  giving  effect to the  offsets
                  provided for above),  Employee shall reimburse the Company for
                  such excess  within thirty (30) days of the  determination  of
                  such excess.  The  requirements  imposed under this  Paragraph
                  5.1(3) shall terminate thirty (30) days immediately  following
                  the  second  anniversary  of  Employee's  Termination  Without
                  Cause.

         5.2 For the  purpose of this  Agreement,  a "Change of  Control"  shall
mean:

         (a) The  acquisition  by any  individual,  entity or group  (within the
meaning of Section 13(d)(3) or 14(d)(2) of the Securities  Exchange Act of 1934,
as amended (the "Exchange Act")(a "Person") of beneficial  ownership (within the
meaning  of Rule 13d-3  promulgated  under the  Exchange  Act) of 20% or more of
either  (i) the then  outstanding  shares of common  stock of the  Company  (the
"Outstanding  Company  Common  Stock") or (ii) the combined  voting power of the
then outstanding  voting securities of the Company entitled to vote generally in
the  election  of  directors  (the  "outstanding  Company  Voting  Securities");
provided,  however,  that for purposes of this  subsection  (a),  the  following
acquisitions  shall not  constitute  a Change of  Control:  (i) any  acquisition
directly  from the  Company,  (ii) any  acquisition  by the  Company,  (iii) any
acquisition  by an  employee  benefit  plan  (or  related  trust)  sponsored  or
maintained by the Company or any  corporation  controlled by the Company or (iv)
any acquisition by any corporation pursuant to a transaction which complies with
clauses (i), (ii) and (iii) of subsection (c) of this Section 5.2; or

         (b) Individuals  who, as of the date hereof,  constitute the Board (the
"Incumbent Board") cease for any reason to constitute at least a majority of the
Board; provided,  however, that any individual becoming a director subsequent to
the date hereof whose  election,  or  nomination  for election by the  Company's
shareholders,  was  approved by a vote of at least a majority  of the  directors
then  comprising  the  Incumbent  Board  shall  be  considered  as  though  such
individual  were a  member  of the  Incumbent  Board,  but  excluding,  for this
purpose,  any such  individual  whose  initial  assumption of office occurs as a
result of an actual or threatened  election contest with respect to the election
or removal of directors or other actual or threatened solicitation of proxies or
consents by or on behalf of a Person other than the Board; or

                                       3
<PAGE>
         (c) Consummation of a  reorganization,  merger or consolidation or sale
or other disposition of all or substantially all of the assets of the Company or
the acquisition of assets of another corporation (a "Business Combination"),  in
each case, unless, following such Business Combination, (i) all or substantially
all  of  the   individuals   and  entities  who  were  the  beneficial   owners,
respectively,  of the Outstanding  Company Common Stock and Outstanding  Company
Voting Securities  immediately prior to such Business  Combination  beneficially
own,  directly  or  indirectly,  more  than  50%  of,  respectively,   the  then
outstanding  shares of common  stock and the  combined  voting power of the then
outstanding  voting  securities  entitled to vote  generally  in the election of
directors,  as the case may be, of the corporation  resulting from such Business
Combination (including,  without limitation,  a corporation which as a result of
such transaction  owns the Company or all or substantially  all of the Company's
assets either directly or through one or more subsidiaries) in substantially the
same  proportions  as  their  ownership,  immediately  prior  to  such  Business
Combination  of the  Outstanding  Company Common Stock and  Outstanding  Company
Voting Securities, as the case may be, (ii) no Person (excluding any corporation
resulting  from such  Business  Combination  or any  employee  benefit  plan (or
related trust) of the Company or such  corporation  resulting from such Business
Combination)  beneficially  owns,  directly  or  indirectly,  20%  or  more  of,
respectively,  the then  outstanding  shares of common stock of the  corporation
resulting  from such Business  Combination  or the combined  voting power of the
then outstanding voting securities of such corporation except to the extent that
such ownership  existed prior to the Business  Combination  and (iii) at least a
majority of the members of the board of directors of the  corporation  resulting
from such Business  Combination  were members of the Incumbent Board at the time
of the  execution  of the  initial  agreement,  or of the  action of the  Board,
providing for such Business Combination; or

         (d)  Approval  by  the  shareholders  of  the  Company  of  a  complete
liquidation or dissolution of the Company.

         5.3   Certain Additional Payments by the Company may be due as follows:

         (a)  Anything in this  Agreement to the  contrary  notwithstanding  and
except as set forth below,  in the event it shall be determined that any payment
or  distribution  by the Company or its  affiliates to or for the benefit of the
Employee  (whether paid or payable or distributed or  distributable  pursuant to
the terms of this  Agreement or otherwise but  determined  without regard to any
additional  payments  required  under this Section 5.3), (a "Payment")  would be
subject to the excise tax imposed by Section 4999 of the Code or any interest or
penalties  are  incurred by the  Employee  with respect to such excise tax (such
excise tax,  together  with any such  interest and  penalties,  are  hereinafter
collectively  referred  to as the  "Excise  Tax"),  then the  Employee  shall be
entitled to receive an  additional  payment (a "Gross-Up  Payment") in an amount
such that after payment by the Employee of all taxes  (including any interest or
penalties imposed with respect to such taxes),  including,  without  limitation,
any income taxes (and any interest and penalties  imposed with respect  thereto)
and Excise Tax imposed upon the Gross-Up Payment, the Employee retains an amount
of the  Gross-Up  Payment  equal to the Excise Tax  imposed  upon the  Payments.
Notwithstanding  the  foregoing  provisions  of this Section 5.3, if it shall be
determined  that the  Employee is entitled to a Gross-Up  Payment,  but that the
Payments do not exceed 110% of the greatest  amount (the "Reduced  Amount") that
could be paid to the Employee  such that the receipt of Payments  would not give
rise to any Excise Tax,  then no Gross-Up  Payment shall be made to the Employee
and the Payments, in the aggregate, shall be reduced to the Reduced Amount.

         (b) Subject to the  provisions of Section  5.3(c),  all  determinations
required  to be made  under  this  Section  5.3,  including  whether  and when a
Gross-Up  Payment is required  and the amount of such  Gross-Up  Payment and the
assumptions to be utilized in arriving at such  determination,  shall be made by
Ernst  and  Young  or such  other  certified  public  accounting  firm as may be
designated by the Employee (the "Accounting  Firm") which shall provide detailed
supporting  calculations both to the Company and the Employee within 15 business
days of the receipt of notice from the  Employee  that there has been a Payment,
or such  earlier  time as is  requested  by the  Company.  In the event that the
Accounting Firm is serving as accountant or auditor for the  individual,  entity
or group  effecting the Change of Control,  the Employee  shall appoint  another
nationally  recognized  accounting  firm to  make  the  determinations  required
hereunder  (which  accounting  firm shall then be referred to as the  Accounting
Firm  hereunder).  All fees and expenses of the  Accounting  Firm shall be borne
solely by the Company.  Any Gross-Up  Payment,  as  determined  pursuant to this
Section 5.3,  shall be paid by the Company to the  Employee  within five days of
the receipt of the Accounting  Firm's  determination.  Any  determination by the
Accounting Firm shall be binding upon the Company and the Employee.  As a result
of the uncertainty in the application of Section 4999 of the Code at the time of
the initial determination by the Accounting Firm hereunder,  it is possible that
Gross-Up  Payments which will not have been made by the Company should have been
made  ("Underpayment"),  consistent  with the  calculations  required to be made
hereunder.  In the event that the  Company  exhausts  its  remedies  pursuant to
Section 5.3(c) and the Employee  thereafter is required to make a payment of any
Excise Tax, the Accounting Firm shall  determine the amount of the  Underpayment
that has  occurred  and any such  Underpayment  shall  be  promptly  paid by the
Company to or for the benefit of the Employee.

                                       4
<PAGE>
        (c) The  Employee  shall  notify the Company in writing of any claim by
the Internal  Revenue Service that, if successful,  would require the payment by
the Company of the Gross-Up Payment. Such notification shall be given as soon as
practicable  but no later than ten business  days after the Employee is informed
in  writing of such claim and shall  apprise  the  Company of the nature of such
claim and the date on which such claim is  requested  to be paid.  The  Employee
shall not pay such claim prior to the expiration of the 30-day period  following
the date on which it gives such notice to the Company  (or such  shorter  period
ending on the date that any payment of taxes with respect to such claim is due).
If the Company  notifies the Employee in writing prior to the expiration of such
period that it desires to contest such claim, the Employee shall:

         (i)  give  the  Company  any  information  reasonably  requested by the
Company relating to such claim,

         (ii) take such action in connection  with  contesting such claim as the
Company  shall  reasonably  request  in  writing  from time to time,  including,
without limitation, accepting legal representation with respect to such claim by
an attorney reasonably selected by the Company,

         (iii) cooperate with the Company in good faith in order  effectively to
contest such claim, and

         (iv) permit  the Company  to participate in any proceedings relating to
such claim;

provided,  however,  that the Company  shall bear and pay directly all costs and
expenses  (including  additional  interest and penalties) incurred in connection
with such  contest and shall  indemnify  and hold the Employee  harmless,  on an
after-tax  basis,  for any  Excise  Tax or income tax  (including  interest  and
penalties with respect thereto) imposed as a result of such  representation  and
payment of costs and expenses. Without limitation on the foregoing provisions of
this  Section  5.3(c),  the  Company  shall  control  all  proceedings  taken in
connection  with such contest  and, at its sole option,  may pursue or forgo any
and all administrative appeals,  proceedings,  hearings and conferences with the
taxing  authority in respect of such claim and may, at its sole  option,  either
direct the  Employee  to pay the tax claimed and sue for a refund or contest the
claim in any  permissible  manner,  and the Employee  agrees to  prosecute  such
contest to a determination  before any  administrative  tribunal,  in a court of
initial  jurisdiction and in one or more appellate  courts, as the Company shall
determine;  provided,  however,  that if the Company directs the Employee to pay
such claim and sue for a refund,  the Company  shall  advance the amount of such
payment to the Employee,  on an interest-free basis and shall indemnify and hold
the Employee harmless,  on an after-tax basis, from any Excise Tax or income tax
(including  interest or penalties with respect  thereto) imposed with respect to
the such  advance or with  respect to any imputed  income  with  respect to such
advance;  and further  provided that any extension of the statute of limitations
relating to payment of taxes for the taxable year of the  Employee  with respect
to which such  contested  amount is claimed to be due is limited  solely to such
contested  amount.  Furthermore,  the Company's  control of the contest shall be
limited to issues  with  respect to which a  Gross-Up  Payment  would be payable
hereunder and the Employee  shall be entitled to settle or contest,  as the case
may be, any other  issue  raised by the  Internal  Revenue  Service or any other
taxing authority.

         (d) If, after the receipt by the Employee of an amount  advanced by the
Company pursuant to Section 5.3(c), the Employee becomes entitled to receive any
refund with respect to such claim,  the Employee shall (subject to the Company's
employing with the  requirements  of Section 5.3 promptly pay to the Company the
amount of such refund (together with any interest paid or credited thereon after
taxes  applicable  thereto).  If, after the receipt by the Employee of an amount
advanced by the Company pursuant to Section 5.3(c), a determination is made that
the Employee  shall not be entitled to any refund with respect to such claim and
the  Company  does not notify the  Employee  in writing of its intent to contest
such  denial  of  refund  prior  to  the   expiration  of  30  days  after  such
determination,  then such advance shall be forgiven and shall not be required to
be repaid and the amount of such advance  shall offset,  to the extent  thereof,
the amount of Gross-Up Payment required to be paid.

6.       Covenants.

         6.1  Employee  agrees  that  any  and  all  confidential  knowledge  or
information,  including but not limited to customer lists, books, records, data,
formulae,  specifications,  inventions,  processes and methods, and developments
and  improvements,  which have been or may be obtained or learned by Employee in
the course of his  employment  with the Company,  will be held  confidential  by
Employee, and that Employee shall not disclose the same to any person outside of
the  Company  either  during  his  employment  with the  Company  or  after  his
employment by the Company has terminated.

         6.2 Employee  agrees that upon  termination of his employment  with the
Company he will  immediately  surrender  and turn over to the Company all books,
records,  forms,  specifications,  formulae,  data,  and all papers and writings
relating to the business of the Company and all other property  belonging to the
Company,  it being  understood and agreed that the same are the sole property of
the Company and that Employee shall not make or retain any copies thereof.

                                       5
<PAGE>
         6.3 Employee agrees that all  inventions,  developments or improvements
which he has made or may make, conceive,  invent,  discover or otherwise acquire
during his employment with the Company in the scope of his  responsibilities  or
otherwise shall become the sole property of the Company.

         6.4 Employee  agrees to provide a release of any claims with respect to
termination  of his or her  employment  on such form as requested by the Company
upon payment of the sums provided in Section 4.3 above.

7.       Miscellaneous Provisions.

         7.1 All terms and  conditions  of this  Agreement are set forth herein,
and there are no warranties,  agreements or understandings,  express or implied,
except those expressly set forth herein.

         7.2 Any  modification  to  this  Agreement  shall  be  binding  only if
evidenced in writing signed by all parties hereto.

         7.3 Any notice or other communication required or permitted to be given
hereunder shall be deemed properly given if personally delivered or deposited in
the United States mail,  registered or certified and postage prepaid,  addressed
to the Company at 2141 Rosecrans  Ave.,  Suite 4000, El Segundo,  CA (Attention:
General Counsel),  or to Employee at his or her most recent home address on file
with Company,  or at other such addresses as may from time to time be designated
in writing by the respective parties.

         7.4 The laws of the State of  California  shall  govern the validity of
this Agreement,  the  construction of its terms, and the  interpretation  of the
rights and duties of the parties involved.

         7.5 In the event that any one or more of the  provisions  contained  in
this  Agreement  shall  for  any  reason  be  held  to be  invalid,  illegal  or
unenforceable,  the same shall not affect any other provision of this Agreement,
but  this  Agreement  shall  be  construed  as  if  such  invalid,   illegal  or
unenforceable provisions had never been contained herein.

         7.6 This Agreement  shall be binding upon, and inure to the benefit of,
the  successors  and assigns of the Company  and the  personal  representatives,
heirs and legatees of Employee.

         7.7 "Bonus"  refers to the Unocal Incentive  Compensation  Plan and any
replacement  or  successor  plan thereof.

         7.8 Company shall pay 90% (ninety percent) of Employee's  out-of-pocket
litigation expenses,  including  reasonable  attorney's fees, in connection with
any judicial  proceeding to enforce this  Agreement or construe or determine the
validity of this  Agreement,  whether or not the Employee is  successful in such
proceeding.

         7.9 The  term  "Company"  shall  include  with  respect  to  employment
hereunder,  any  subsidiary or affiliate of the Company as well as any successor
employer following a Change in Control.

         7.10 This  Agreement  succeeds  and  replaces  that  Unocal  Employment
Agreement which was effective December 8, 1997 between Company and Employee.


IN WITNESS WHEREOF, the parties have executed this Agreement effective as of the
date first above written.

BY:
         Chairman of the Management Development and
         Compensation Committee of the Unocal
         Board of Directors

BY:
         EMPLOYEE

                                       6


                                                                   EXHIBIT 10.11

                           UNOCAL EMPLOYMENT AGREEMENT

         This  employment  agreement (the  "Agreement")  is made effective as of
July 28, 1998 by and between Unocal  Corporation,  a Delaware  corporation  (the
"Company") and Charles R.  Williamson,  Group Vice  President,  Asia  Operations
("Employee").

         In  consideration  of the  mutual  promises  and  agreements  set forth
herein, the Company and Employee agree as follows:

1.       Term.

         1.1 The term of this  Agreement (the "Term") shall commence on July 28,
1998 and shall be for two years,  subject to earlier  termination  in accordance
with the  provisions  of Section 4  hereinbelow.  If the  Agreement has not been
subject to early  termination  in  accordance  with the  provisions of Section 4
hereinbelow,  beginning  on July 28, 1998 and on each day  thereafter,  the Term
shall  automatically  be  extended  for an  additional  day unless  the  Company
notifies  Employee in writing that it does not wish to further  extend the Term.
Notwithstanding  the  foregoing,  this  Agreement  shall end  automatically  and
without  additional  notice  on the  date of the  Company's  Annual  Meeting  of
Shareholders  that  next  follows  the  date of  Employee's  sixty-fifth  (65th)
birthday.

2.       Position and Title.

         2.1 The Company on behalf of itself and its affiliates and subsidiaries
hereby employs Employee as Group Vice President,  Asia Operations,  and Employee
hereby accepts such employment.

         2.2 Employee  shall devote  substantially  all of his efforts on a full
time basis to the  business  and  affairs of the Company and shall not engage in
any business or perform any services in any capacity  whatsoever  adverse to the
interests of the Company.

         2.3 Employee shall at all times faithfully,  industriously,  and to the
best of his ability,  experience,  and talents, perform all of the duties of his
position.

3.       Compensation.

         3.1 As of the date of this Agreement,  Employee's annual base salary is
$300,000.  Employee's base salary and performance shall be reviewed periodically
at intervals approved by the Management  Development and Compensation  Committee
of the Board of Directors of the Company (the "Committee"),  and Employee's base
salary  may be  increased  from  time to  time  based  on  merit  or such  other
consideration as the Committee may deem appropriate.

         3.2 During the Term, Employee shall participate in all of the Company's
incentive  plans,  benefit  plans and  perquisites,  and in any new or successor
incentive plans,  benefit plans and perquisites,  that are generally provided to
executives of the Company with a level of responsibility  and stature comparable
to  Employee.   Performance  goals,  award  opportunity,   benefit  levels,  and
administrative guidelines for such plans shall be subject to review and approval
by the Committee.

4.       Termination of Employment.

         4.1 During the Term,  the Company may terminate  Employee's  employment
herein at any time for Cause or as a result of a material  breach by Employee of
his obligations under this Agreement,  provided however that, except in the case
of conviction of a felony, the Company shall provide Employee with not less than
sixty (60) days prior written notice describing the behavior or conduct which is
alleged by the Company to constitute  Cause, and Employee shall be provided with
reasonable  opportunity  to correct such  behavior or conduct  within the notice
period. For purposes of this Agreement,  Cause shall be defined as any or all of
the following:

         (1)      Conduct  or action  by  Employee  which, in  the  opinion of a
                  majority of the  Board  of Directors, is materially harmful to
                  the Company;

<PAGE>
         (2)      Willful  failure by  Employee to follow an order of the Board,
                  except in such case where the Employee  believes in good faith
                  that following  such order would be materially  detrimental to
                  the interests of the Company;

         (3)      Employee's conviction of a felony.

         4.2 In the  event  that  Employee's  employment  is  terminated  by the
Company for any reason other than those set forth in Paragraph 4.1  hereinabove,
or, (a)  Employee's  annual  base salary is reduced  below the amount  stated in
Paragraph 3.1 hereinabove  (unless such reduction is part of an across the board
reduction   affecting  all  Company   executives  with  a  comparable  level  of
responsibility,  title or  stature),  or (b)  Employee is removed from or denied
participation  in incentive  plans,  benefit  plans,  or  perquisites  generally
provided  by the  Company  to  other  executives  with  a  comparable  level  of
responsibility,   title  or  stature,   or  (c)  Employee's   target   incentive
opportunity,  benefits or perquisites are reduced  relative to other  executives
with comparable  responsibility,  title or stature,  or (d) Employee is assigned
duties or  obligations  inconsistent  with his position  with the Company or (e)
There is a significant change in the nature and scope of Employee's authority or
his overall  working  environment,  such event shall be considered a Termination
Without Cause.

         4.3      In the event of Employee's  Termination  Without Cause  at any
time during the Term of this  Agreement, then:

         (1)      The Company  shall pay  Employee a lump-sum  severance  amount
                  within thirty (30) days  following  Termination  Without Cause
                  equal  to two  (2)  times  the sum of (a)  the  higher  of the
                  Employee's  annual  base  salary  at the  time of  Termination
                  Without  Cause or the annual base salary  stated in  Paragraph
                  3.1  hereinabove,  and (b) the average  annual Bonus earned by
                  Employee  (whether  paid  in  cash  or  deferred)  for the two
                  completed  fiscal  years   immediately  prior  to  Termination
                  Without  Cause,  reduced by the amount of any Unocal  Employee
                  Redeployment  Program  and/or  Unocal  Termination   Allowance
                  benefits payable to Employee.

         (2)      The Company  shall  provide for  Employee to receive  medical,
                  dental,  life, and disability  insurance  coverage for two (2)
                  years following  Termination Without Cause at levels and a net
                  cost to  Employee  comparable  to that  provided  to  Employee
                  immediately prior to Employee's Termination Without Cause.

         (3)      The  Company  shall  pay  Employee  an   additional   lump-sum
                  severance amount within thirty (30) days following  Employee's
                  Termination  Without  Cause  equal to two (2)  times  the base
                  salary used to  determine  the lump-sum  severance  benefit in
                  paragraph 4.3(1) hereinabove, multiplied by 6% (.06).

         4.4 In the event that during the Term of this Agreement Employee should
voluntarily  resign  from the  Company,  should  terminate  employment  with the
Company due to death,  permanent disability or incapacitation,  or is terminated
by the Company for Cause or for a material breach by Employee of his obligations
under  this  Agreement,  then  Employee  shall  not  be  entitled  to any of the
termination benefits provided for in Paragraph 4.3 hereinabove,  and the Term of
the Agreement shall immediately end.

         4.5 Employee  shall not be obligated to seek other  employment  or take
any other action by way of mitigation of the amounts  payable to Employee  under
any provisions of this Agreement.

5.       Change of Control.

         5.1      In the event of a Change of Control of the Company at any time
during the Term of this  Agreement, then:

                                       2
<PAGE>
         (1)      In the event of Employee's  Termination Without Cause within a
                  period of  twenty-four  (24)  months  following  the date of a
                  Change  of  Control,   Employee   shall  be  entitled  to  the
                  termination  benefits  described in Paragraph 4.3 hereinabove;
                  provided that the lump-sum  severance  amount paid to Employee
                  under this  Paragraph  5.1(1),  which is  calculated  based on
                  Paragraphs 4.3(1) and 4.3(3) hereinabove, shall be (a) reduced
                  to equal the present  value,  determined  in  accordance  with
                  Section  280G(d)(4) of the Internal  Revenue Code (the "IRC"),
                  of the  lump-sum  severance  amount  which would  otherwise be
                  payable under Paragraphs 4.3(1) and 4.3(3), and (b) reduced to
                  offset compensation and other earned income by Employee in the
                  manner provided for in Paragraphs 5.1(2) and 5.1(3) below.

         (2)      The  lump-sum  severance  amounts  payable to  Employee  under
                  Paragraphs  4.3(1) and 4.3(3)  shall be reduced by one hundred
                  percent  (100%) of any  compensation  and other earned  income
                  (within the meaning of Section  911(d)(2)(A) of the IRC) which
                  is earned by  Employee  for  services  rendered  to persons or
                  entities other than the Company or its  affiliates  during the
                  three  years  immediately  following  Employee's   Termination
                  Without Cause.

         (3)      Not less  frequently  than  annually  beginning  on the  first
                  anniversary  following  Employee's  Termination Without Cause,
                  Employee  shall  account to the  Company  with  respect to all
                  compensation  and other earned income earned by Employee which
                  is  required  hereunder  to be  offset  against  the  lump-sum
                  severance  amount  received by Employee from the Company under
                  Paragraphs  5.1(1)  and  5.1(2).  If the  Company  has  paid a
                  lump-sum  severance  amount in  excess of the  amount to which
                  Employee  is  entitled  (after  giving  effect to the  offsets
                  provided for above),  Employee shall reimburse the Company for
                  such excess  within thirty (30) days of the  determination  of
                  such excess.  The  requirements  imposed under this  Paragraph
                  5.1(3) shall terminate thirty (30) days immediately  following
                  the  second  anniversary  of  Employee's  Termination  Without
                  Cause.

         5.2 For the  purpose of this  Agreement,  a "Change of  Control"  shall
mean:

         (a) The  acquisition  by any  individual,  entity or group  (within the
meaning of Section 13(d)(3) or 14(d)(2) of the Securities  Exchange Act of 1934,
as amended (the "Exchange Act")(a "Person") of beneficial  ownership (within the
meaning  of Rule 13d-3  promulgated  under the  Exchange  Act) of 20% or more of
either  (i) the then  outstanding  shares of common  stock of the  Company  (the
"Outstanding  Company  Common  Stock") or (ii) the combined  voting power of the
then outstanding  voting securities of the Company entitled to vote generally in
the  election  of  directors  (the  "outstanding  Company  Voting  Securities");
provided,  however,  that for purposes of this  subsection  (a),  the  following
acquisitions  shall not  constitute  a Change of  Control:  (i) any  acquisition
directly  from the  Company,  (ii) any  acquisition  by the  Company,  (iii) any
acquisition  by an  employee  benefit  plan  (or  related  trust)  sponsored  or
maintained by the Company or any  corporation  controlled by the Company or (iv)
any acquisition by any corporation pursuant to a transaction which complies with
clauses (i), (ii) and (iii) of subsection (c) of this Section 5.2; or

         (b) Individuals  who, as of the date hereof,  constitute the Board (the
"Incumbent Board") cease for any reason to constitute at least a majority of the
Board; provided,  however, that any individual becoming a director subsequent to
the date hereof whose  election,  or  nomination  for election by the  Company's
shareholders,  was  approved by a vote of at least a majority  of the  directors
then  comprising  the  Incumbent  Board  shall  be  considered  as  though  such
individual  were a  member  of the  Incumbent  Board,  but  excluding,  for this
purpose,  any such  individual  whose  initial  assumption of office occurs as a
result of an actual or threatened  election contest with respect to the election
or removal of directors or other actual or threatened solicitation of proxies or
consents by or on behalf of a Person other than the Board; or

                                        3
<PAGE>
         (c) Consummation of a  reorganization,  merger or consolidation or sale
or other disposition of all or substantially all of the assets of the Company or
the acquisition of assets of another corporation (a "Business Combination"),  in
each case, unless, following such Business Combination, (i) all or substantially
all  of  the   individuals   and  entities  who  were  the  beneficial   owners,
respectively,  of the Outstanding  Company Common Stock and Outstanding  Company
Voting Securities  immediately prior to such Business  Combination  beneficially
own,  directly  or  indirectly,  more  than  50%  of,  respectively,   the  then
outstanding  shares of common  stock and the  combined  voting power of the then
outstanding  voting  securities  entitled to vote  generally  in the election of
directors,  as the case may be, of the corporation  resulting from such Business
Combination (including,  without limitation,  a corporation which as a result of
such transaction  owns the Company or all or substantially  all of the Company's
assets either directly or through one or more subsidiaries) in substantially the
same  proportions  as  their  ownership,  immediately  prior  to  such  Business
Combination  of the  Outstanding  Company Common Stock and  Outstanding  Company
Voting Securities, as the case may be, (ii) no Person (excluding any corporation
resulting  from such  Business  Combination  or any  employee  benefit  plan (or
related trust) of the Company or such  corporation  resulting from such Business
Combination)  beneficially  owns,  directly  or  indirectly,  20%  or  more  of,
respectively,  the then  outstanding  shares of common stock of the  corporation
resulting  from such Business  Combination  or the combined  voting power of the
then outstanding voting securities of such corporation except to the extent that
such ownership  existed prior to the Business  Combination  and (iii) at least a
majority of the members of the board of directors of the  corporation  resulting
from such Business  Combination  were members of the Incumbent Board at the time
of the  execution  of the  initial  agreement,  or of the  action of the  Board,
providing for such Business Combination; or

         (d)  Approval  by  the  shareholders  of  the  Company  of  a  complete
liquidation or dissolution of the Company.

         5.3   Certain Additional Payments by the Company may be due as follows:

         (a)  Anything in this  Agreement to the  contrary  notwithstanding  and
except as set forth below,  in the event it shall be determined that any payment
or  distribution  by the Company or its  affiliates to or for the benefit of the
Employee  (whether paid or payable or distributed or  distributable  pursuant to
the terms of this  Agreement or otherwise but  determined  without regard to any
additional  payments  required  under this Section 5.3), (a "Payment")  would be
subject to the excise tax imposed by Section 4999 of the Code or any interest or
penalties  are  incurred by the  Employee  with respect to such excise tax (such
excise tax,  together  with any such  interest and  penalties,  are  hereinafter
collectively  referred  to as the  "Excise  Tax"),  then the  Employee  shall be
entitled to receive an  additional  payment (a "Gross-Up  Payment") in an amount
such that after payment by the Employee of all taxes  (including any interest or
penalties imposed with respect to such taxes),  including,  without  limitation,
any income taxes (and any interest and penalties  imposed with respect  thereto)
and Excise Tax imposed upon the Gross-Up Payment, the Employee retains an amount
of the  Gross-Up  Payment  equal to the Excise Tax  imposed  upon the  Payments.
Notwithstanding  the  foregoing  provisions  of this Section 5.3, if it shall be
determined  that the  Employee is entitled to a Gross-Up  Payment,  but that the
Payments do not exceed 110% of the greatest  amount (the "Reduced  Amount") that
could be paid to the Employee  such that the receipt of Payments  would not give
rise to any Excise Tax,  then no Gross-Up  Payment shall be made to the Employee
and the Payments, in the aggregate, shall be reduced to the Reduced Amount.

         (b) Subject to the  provisions of Section  5.3(c),  all  determinations
required  to be made  under  this  Section  5.3,  including  whether  and when a
Gross-Up  Payment is required  and the amount of such  Gross-Up  Payment and the
assumptions to be utilized in arriving at such  determination,  shall be made by
Ernst  and  Young  or such  other  certified  public  accounting  firm as may be
designated by the Employee (the "Accounting  Firm") which shall provide detailed
supporting  calculations both to the Company and the Employee within 15 business
days of the receipt of notice from the  Employee  that there has been a Payment,
or such  earlier  time as is  requested  by the  Company.  In the event that the
Accounting Firm is serving as accountant or auditor for the  individual,  entity
or group  effecting the Change of Control,  the Employee  shall appoint  another
nationally  recognized  accounting  firm to  make  the  determinations  required
hereunder  (which  accounting  firm shall then be referred to as the  Accounting
Firm  hereunder).  All fees and expenses of the  Accounting  Firm shall be borne
solely by the Company.  Any Gross-Up  Payment,  as  determined  pursuant to this
Section 5.3,  shall be paid by the Company to the  Employee  within five days of
the receipt of the Accounting  Firm's  determination.  Any  determination by the
Accounting Firm shall be binding upon the Company and the Employee.  As a result
of the uncertainty in the application of Section 4999 of the Code at the time of
the initial determination by the Accounting Firm hereunder,  it is possible that
Gross-Up  Payments which will not have been made by the Company should have been
made  ("Underpayment"),  consistent  with the  calculations  required to be made
hereunder.  In the event that the  Company  exhausts  its  remedies  pursuant to
Section 5.3(c) and the Employee  thereafter is required to make a payment of any
Excise Tax, the Accounting Firm shall  determine the amount of the  Underpayment
that has  occurred  and any such  Underpayment  shall  be  promptly  paid by the
Company to or for the benefit of the Employee.

                                        4
<PAGE>
         (c) The  Employee  shall  notify the Company in writing of any claim by
the Internal  Revenue Service that, if successful,  would require the payment by
the Company of the Gross-Up Payment. Such notification shall be given as soon as
practicable  but no later than ten business  days after the Employee is informed
in  writing of such claim and shall  apprise  the  Company of the nature of such
claim and the date on which such claim is  requested  to be paid.  The  Employee
shall not pay such claim prior to the expiration of the 30-day period  following
the date on which it gives such notice to the Company  (or such  shorter  period
ending on the date that any payment of taxes with respect to such claim is due).
If the Company  notifies the Employee in writing prior to the expiration of such
period that it desires to contest such claim, the Employee shall:

         (i)  give the  Company  any  information  reasonably  requested  by the
Company relating to such claim,

         (ii) take such action in connection  with  contesting such claim as the
Company  shall  reasonably  request  in  writing  from time to time,  including,
without limitation, accepting legal representation with respect to such claim by
an attorney reasonably selected by the Company,

         (iii) cooperate with the Company in good faith in order  effectively to
contest such claim, and

         (iv) permit  the  Company to participate in any proceedings relating to
such claim;

provided,  however,  that the Company  shall bear and pay directly all costs and
expenses  (including  additional  interest and penalties) incurred in connection
with such  contest and shall  indemnify  and hold the Employee  harmless,  on an
after-tax  basis,  for any  Excise  Tax or income tax  (including  interest  and
penalties with respect thereto) imposed as a result of such  representation  and
payment of costs and expenses. Without limitation on the foregoing provisions of
this  Section  5.3(c),  the  Company  shall  control  all  proceedings  taken in
connection  with such contest  and, at its sole option,  may pursue or forgo any
and all administrative appeals,  proceedings,  hearings and conferences with the
taxing  authority in respect of such claim and may, at its sole  option,  either
direct the  Employee  to pay the tax claimed and sue for a refund or contest the
claim in any  permissible  manner,  and the Employee  agrees to  prosecute  such
contest to a determination  before any  administrative  tribunal,  in a court of
initial  jurisdiction and in one or more appellate  courts, as the Company shall
determine;  provided,  however,  that if the Company directs the Employee to pay
such claim and sue for a refund,  the Company  shall  advance the amount of such
payment to the Employee,  on an interest-free basis and shall indemnify and hold
the Employee harmless,  on an after-tax basis, from any Excise Tax or income tax
(including  interest or penalties with respect  thereto) imposed with respect to
the such  advance or with  respect to any imputed  income  with  respect to such
advance;  and further  provided that any extension of the statute of limitations
relating to payment of taxes for the taxable year of the  Employee  with respect
to which such  contested  amount is claimed to be due is limited  solely to such
contested  amount.  Furthermore,  the Company's  control of the contest shall be
limited to issues  with  respect to which a  Gross-Up  Payment  would be payable
hereunder and the Employee  shall be entitled to settle or contest,  as the case
may be, any other  issue  raised by the  Internal  Revenue  Service or any other
taxing authority.

         (d) If, after the receipt by the Employee of an amount  advanced by the
Company pursuant to Section 5.3(c), the Employee becomes entitled to receive any
refund with respect to such claim,  the Employee shall (subject to the Company's
employing with the  requirements  of Section 5.3 promptly pay to the Company the
amount of such refund (together with any interest paid or credited thereon after
taxes  applicable  thereto).  If, after the receipt by the Employee of an amount
advanced by the Company pursuant to Section 5.3(c), a determination is made that
the Employee  shall not be entitled to any refund with respect to such claim and
the  Company  does not notify the  Employee  in writing of its intent to contest
such  denial  of  refund  prior  to  the   expiration  of  30  days  after  such
determination,  then such advance shall be forgiven and shall not be required to
be repaid and the amount of such advance  shall offset,  to the extent  thereof,
the amount of Gross-Up Payment required to be paid.

6.       Covenants.

         6.1  Employee  agrees  that  any  and  all  confidential  knowledge  or
information,  including but not limited to customer lists, books, records, data,
formulae,  specifications,  inventions,  processes and methods, and developments
and  improvements,  which have been or may be obtained or learned by Employee in
the course of his  employment  with the Company,  will be held  confidential  by
Employee, and that Employee shall not disclose the same to any person outside of
the  Company  either  during  his  employment  with the  Company  or  after  his
employment by the Company has terminated.

         6.2 Employee  agrees that upon  termination of his employment  with the
Company he will  immediately  surrender  and turn over to the Company all books,
records,  forms,  specifications,  formulae,  data,  and all papers and writings
relating to the business of the Company and all other property  belonging to the
Company,  it being  understood and agreed that the same are the sole property of
the Company and that Employee shall not make or retain any copies thereof.

                                        5
<PAGE>
         6.3 Employee agrees that all  inventions,  developments or improvements
which he has made or may make, conceive,  invent,  discover or otherwise acquire
during his employment with the Company in the scope of his  responsibilities  or
otherwise shall become the sole property of the Company.

         6.4 Employee  agrees to provide a release of any claims with respect to
termination  of his or her  employment  on such form as requested by the Company
upon payment of the sums provided in Section 4.3 above.

7.       Miscellaneous Provisions.

         7.1 All terms and  conditions  of this  Agreement are set forth herein,
and there are no warranties,  agreements or understandings,  express or implied,
except those expressly set forth herein.

         7.2 Any  modification  to  this  Agreement  shall  be  binding  only if
evidenced in writing signed by all parties hereto.

         7.3 Any notice or other communication required or permitted to be given
hereunder shall be deemed properly given if personally delivered or deposited in
the United States mail,  registered or certified and postage prepaid,  addressed
to the Company at 2141 Rosecrans  Ave.,  Suite 4000, El Segundo,  CA (Attention:
General Counsel),  or to Employee at his or her most recent home address on file
with Company,  or at other such addresses as may from time to time be designated
in writing by the respective parties.

         7.4 The laws of the State of  California  shall  govern the validity of
this Agreement,  the  construction of its terms, and the  interpretation  of the
rights and duties of the parties involved.

         7.5 In the event that any one or more of the  provisions  contained  in
this  Agreement  shall  for  any  reason  be  held  to be  invalid,  illegal  or
unenforceable,  the same shall not affect any other provision of this Agreement,
but  this  Agreement  shall  be  construed  as  if  such  invalid,   illegal  or
unenforceable provisions had never been contained herein.

         7.6 This Agreement  shall be binding upon, and inure to the benefit of,
the  successors  and assigns of the Company  and the  personal  representatives,
heirs and legatees of Employee.

         7.7 "Bonus"  refers to the Unocal Incentive  Compensation  Plan and any
replacement  or  successor  plan thereof.

         7.8 Company shall pay 90% (ninety percent) of Employee's  out-of-pocket
litigation expenses,  including  reasonable  attorney's fees, in connection with
any judicial  proceeding to enforce this  Agreement or construe or determine the
validity of this  Agreement,  whether or not the Employee is  successful in such
proceeding.

         7.9 The  term  "Company"  shall  include  with  respect  to  employment
hereunder,  any  subsidiary or affiliate of the Company as well as any successor
employer following a Change in Control.

         7.10 This  Agreement  succeeds  and  replaces  that  Unocal  Employment
Agreement which was effective December 8, 1997 between Company and Employee.


IN WITNESS WHEREOF, the parties have executed this Agreement effective as of the
date first above written.

BY:
         Chairman of the Management Development and
         Compensation Committee of the Unocal
         Board of Directors

BY:
         EMPLOYEE

                                        6


                                                                   EXHIBIT 10.12

                            UNOCAL EMPLOYMENT AGREEMENT

         This  employment  agreement (the  "Agreement")  is made effective as of
July 28, 1998 by and between Unocal  Corporation,  a Delaware  corporation  (the
"Company")  and Dennis P.R.  Codon,  Vice  President,  Chief  Legal  Officer and
General Counsel ("Employee").

         In  consideration  of the  mutual  promises  and  agreements  set forth
herein, the Company and Employee agree as follows:

1.       Term.

         1.1 The term of this  Agreement (the "Term") shall commence on July 28,
1998 and shall be for two years,  subject to earlier  termination  in accordance
with the  provisions  of Section 4  hereinbelow.  If the  Agreement has not been
subject to early  termination  in  accordance  with the  provisions of Section 4
hereinbelow,  beginning  on July 28, 1998 and on each day  thereafter,  the Term
shall  automatically  be  extended  for an  additional  day unless  the  Company
notifies  Employee in writing that it does not wish to further  extend the Term.
Notwithstanding  the  foregoing,  this  Agreement  shall end  automatically  and
without  additional  notice  on the  date of the  Company's  Annual  Meeting  of
Shareholders  that  next  follows  the  date of  Employee's  sixty-fifth  (65th)
birthday.

2.       Position and Title.

         2.1 The Company on behalf of itself and its affiliates and subsidiaries
hereby  employs  Employee as Vice  President,  Chief  Legal  Officer and General
Counsel, and Employee hereby accepts such employment.

         2.2 Employee  shall devote  substantially  all of his efforts on a full
time basis to the  business  and  affairs of the Company and shall not engage in
any business or perform any services in any capacity  whatsoever  adverse to the
interests of the Company.

         2.3 Employee shall at all times faithfully,  industriously,  and to the
best of his ability,  experience,  and talents, perform all of the duties of his
position.

3.       Compensation.

         3.1 As of the date of this Agreement,  Employee's annual base salary is
$290,004.  Employee's base salary and performance shall be reviewed periodically
at intervals approved by the Management  Development and Compensation  Committee
of the Board of Directors of the Company (the "Committee"),  and Employee's base
salary  may be  increased  from  time to  time  based  on  merit  or such  other
consideration as the Committee may deem appropriate.

         3.2 During the Term, Employee shall participate in all of the Company's
incentive  plans,  benefit  plans and  perquisites,  and in any new or successor
incentive plans,  benefit plans and perquisites,  that are generally provided to
executives of the Company with a level of responsibility  and stature comparable
to  Employee.   Performance  goals,  award  opportunity,   benefit  levels,  and
administrative guidelines for such plans shall be subject to review and approval
by the Committee.

4.       Termination of Employment.

         4.1 During the Term,  the Company may terminate  Employee's  employment
herein at any time for Cause or as a result of a material  breach by Employee of
his obligations under this Agreement,  provided however that, except in the case
of conviction of a felony, the Company shall provide Employee with not less than
sixty (60) days prior written notice describing the behavior or conduct which is
alleged by the Company to constitute  Cause, and Employee shall be provided with
reasonable  opportunity  to correct such  behavior or conduct  within the notice
period. For purposes of this Agreement,  Cause shall be defined as any or all of
the following:

         (1)      Conduct  or action  by  Employee  which, in  the  opinion of a
                  majority of the Board  of  Directors, is materially harmful to
                  the Company;


<PAGE>
         (2)      Willful  failure by  Employee to follow an order of the Board,
                  except in such case where the Employee  believes in good faith
                  that following  such order would be materially  detrimental to
                  the interests of the Company;

         (3)      Employee's conviction of a felony.

         4.2 In the  event  that  Employee's  employment  is  terminated  by the
Company for any reason other than those set forth in Paragraph 4.1  hereinabove,
or, (a)  Employee's  annual  base salary is reduced  below the amount  stated in
Paragraph 3.1 hereinabove  (unless such reduction is part of an across the board
reduction   affecting  all  Company   executives  with  a  comparable  level  of
responsibility,  title or  stature),  or (b)  Employee is removed from or denied
participation  in incentive  plans,  benefit  plans,  or  perquisites  generally
provided  by the  Company  to  other  executives  with  a  comparable  level  of
responsibility,   title  or  stature,   or  (c)  Employee's   target   incentive
opportunity,  benefits or perquisites are reduced  relative to other  executives
with comparable  responsibility,  title or stature,  or (d) Employee is assigned
duties or  obligations  inconsistent  with his position  with the Company or (e)
There is a significant change in the nature and scope of Employee's authority or
his overall  working  environment,  such event shall be considered a Termination
Without Cause.

         4.3      In the  event of Employee's  Termination  Without Cause at any
time during the Term of this  Agreement, then:

         (1)      The Company  shall pay  Employee a lump-sum  severance  amount
                  within thirty (30) days  following  Termination  Without Cause
                  equal  to two  (2)  times  the sum of (a)  the  higher  of the
                  Employee's  annual  base  salary  at the  time of  Termination
                  Without  Cause or the annual base salary  stated in  Paragraph
                  3.1  hereinabove,  and (b) the average  annual Bonus earned by
                  Employee  (whether  paid  in  cash  or  deferred)  for the two
                  completed  fiscal  years   immediately  prior  to  Termination
                  Without  Cause,  reduced by the amount of any Unocal  Employee
                  Redeployment  Program  and/or  Unocal  Termination   Allowance
                  benefits payable to Employee.

         (2)      The Company  shall  provide for  Employee to receive  medical,
                  dental,  life, and disability  insurance  coverage for two (2)
                  years following  Termination Without Cause at levels and a net
                  cost to  Employee  comparable  to that  provided  to  Employee
                  immediately prior to Employee's Termination Without Cause.

         (3)      The  Company  shall  pay  Employee  an   additional   lump-sum
                  severance amount within thirty (30) days following  Employee's
                  Termination  Without  Cause  equal to two (2)  times  the base
                  salary used to  determine  the lump-sum  severance  benefit in
                  paragraph 4.3(1) hereinabove, multiplied by 6% (.06).

         4.4 In the event that during the Term of this Agreement Employee should
voluntarily  resign  from the  Company,  should  terminate  employment  with the
Company due to death,  permanent disability or incapacitation,  or is terminated
by the Company for Cause or for a material breach by Employee of his obligations
under  this  Agreement,  then  Employee  shall  not  be  entitled  to any of the
termination benefits provided for in Paragraph 4.3 hereinabove,  and the Term of
the Agreement shall immediately end.

         4.5 Employee  shall not be obligated to seek other  employment  or take
any other action by way of mitigation of the amounts  payable to Employee  under
any provisions of this Agreement.

5.       Change of Control.

         5.1      In the  event of a Change of Control  of the  Company  at  any
time  during the Term of this  Agreement, then:

                                        2
<PAGE>
         (1)      In the event of Employee's  Termination Without Cause within a
                  period of  twenty-four  (24)  months  following  the date of a
                  Change  of  Control,   Employee   shall  be  entitled  to  the
                  termination  benefits  described in Paragraph 4.3 hereinabove;
                  provided that the lump-sum  severance  amount paid to Employee
                  under this  Paragraph  5.1(1),  which is  calculated  based on
                  Paragraphs 4.3(1) and 4.3(3) hereinabove, shall be (a) reduced
                  to equal the present  value,  determined  in  accordance  with
                  Section  280G(d)(4) of the Internal  Revenue Code (the "IRC"),
                  of the  lump-sum  severance  amount  which would  otherwise be
                  payable under Paragraphs 4.3(1) and 4.3(3), and (b) reduced to
                  offset compensation and other earned income by Employee in the
                  manner provided for in Paragraphs 5.1(2) and 5.1(3) below.

         (2)      The  lump-sum  severance  amounts  payable to  Employee  under
                  Paragraphs  4.3(1) and 4.3(3)  shall be reduced by one hundred
                  percent  (100%) of any  compensation  and other earned  income
                  (within the meaning of Section  911(d)(2)(A) of the IRC) which
                  is earned by  Employee  for  services  rendered  to persons or
                  entities other than the Company or its  affiliates  during the
                  three  years  immediately  following  Employee's   Termination
                  Without Cause.

         (3)      Not less  frequently  than  annually  beginning  on the  first
                  anniversary  following  Employee's  Termination Without Cause,
                  Employee  shall  account to the  Company  with  respect to all
                  compensation  and other earned income earned by Employee which
                  is  required  hereunder  to be  offset  against  the  lump-sum
                  severance  amount  received by Employee from the Company under
                  Paragraphs  5.1(1)  and  5.1(2).  If the  Company  has  paid a
                  lump-sum  severance  amount in  excess of the  amount to which
                  Employee  is  entitled  (after  giving  effect to the  offsets
                  provided for above),  Employee shall reimburse the Company for
                  such excess  within thirty (30) days of the  determination  of
                  such excess.  The  requirements  imposed under this  Paragraph
                  5.1(3) shall terminate thirty (30) days immediately  following
                  the  second  anniversary  of  Employee's  Termination  Without
                  Cause.

         5.2 For the  purpose of this  Agreement,  a "Change of  Control"  shall
mean:

         (a) The  acquisition  by any  individual,  entity or group  (within the
meaning of Section 13(d)(3) or 14(d)(2) of the Securities  Exchange Act of 1934,
as amended (the "Exchange Act")(a "Person") of beneficial  ownership (within the
meaning  of Rule 13d-3  promulgated  under the  Exchange  Act) of 20% or more of
either  (i) the then  outstanding  shares of common  stock of the  Company  (the
"Outstanding  Company  Common  Stock") or (ii) the combined  voting power of the
then outstanding  voting securities of the Company entitled to vote generally in
the  election  of  directors  (the  "outstanding  Company  Voting  Securities");
provided,  however,  that for purposes of this  subsection  (a),  the  following
acquisitions  shall not  constitute  a Change of  Control:  (i) any  acquisition
directly  from the  Company,  (ii) any  acquisition  by the  Company,  (iii) any
acquisition  by an  employee  benefit  plan  (or  related  trust)  sponsored  or
maintained by the Company or any  corporation  controlled by the Company or (iv)
any acquisition by any corporation pursuant to a transaction which complies with
clauses (i), (ii) and (iii) of subsection (c) of this Section 5.2; or

         (b) Individuals  who, as of the date hereof,  constitute the Board (the
"Incumbent Board") cease for any reason to constitute at least a majority of the
Board; provided,  however, that any individual becoming a director subsequent to
the date hereof whose  election,  or  nomination  for election by the  Company's
shareholders,  was  approved by a vote of at least a majority  of the  directors
then  comprising  the  Incumbent  Board  shall  be  considered  as  though  such
individual  were a  member  of the  Incumbent  Board,  but  excluding,  for this
purpose,  any such  individual  whose  initial  assumption of office occurs as a
result of an actual or threatened  election contest with respect to the election
or removal of directors or other actual or threatened solicitation of proxies or
consents by or on behalf of a Person other than the Board; or

                                        3
<PAGE>
         (c) Consummation of a  reorganization,  merger or consolidation or sale
or other disposition of all or substantially all of the assets of the Company or
the acquisition of assets of another corporation (a "Business Combination"),  in
each case, unless, following such Business Combination, (i) all or substantially
all  of  the   individuals   and  entities  who  were  the  beneficial   owners,
respectively,  of the Outstanding  Company Common Stock and Outstanding  Company
Voting Securities  immediately prior to such Business  Combination  beneficially
own,  directly  or  indirectly,  more  than  50%  of,  respectively,   the  then
outstanding  shares of common  stock and the  combined  voting power of the then
outstanding  voting  securities  entitled to vote  generally  in the election of
directors,  as the case may be, of the corporation  resulting from such Business
Combination (including,  without limitation,  a corporation which as a result of
such transaction  owns the Company or all or substantially  all of the Company's
assets either directly or through one or more subsidiaries) in substantially the
same  proportions  as  their  ownership,  immediately  prior  to  such  Business
Combination  of the  Outstanding  Company Common Stock and  Outstanding  Company
Voting Securities, as the case may be, (ii) no Person (excluding any corporation
resulting  from such  Business  Combination  or any  employee  benefit  plan (or
related trust) of the Company or such  corporation  resulting from such Business
Combination)  beneficially  owns,  directly  or  indirectly,  20%  or  more  of,
respectively,  the then  outstanding  shares of common stock of the  corporation
resulting  from such Business  Combination  or the combined  voting power of the
then outstanding voting securities of such corporation except to the extent that
such ownership  existed prior to the Business  Combination  and (iii) at least a
majority of the members of the board of directors of the  corporation  resulting
from such Business  Combination  were members of the Incumbent Board at the time
of the  execution  of the  initial  agreement,  or of the  action of the  Board,
providing for such Business Combination; or

         (d)  Approval  by  the  shareholders  of  the  Company  of  a  complete
liquidation or dissolution of the Company.

         5.3  Certain Additional Payments by the Company may be due as follows:

         (a)  Anything in this  Agreement to the  contrary  notwithstanding  and
except as set forth below,  in the event it shall be determined that any payment
or  distribution  by the Company or its  affiliates to or for the benefit of the
Employee  (whether paid or payable or distributed or  distributable  pursuant to
the terms of this  Agreement or otherwise but  determined  without regard to any
additional  payments  required  under this Section 5.3), (a "Payment")  would be
subject to the excise tax imposed by Section 4999 of the Code or any interest or
penalties  are  incurred by the  Employee  with respect to such excise tax (such
excise tax,  together  with any such  interest and  penalties,  are  hereinafter
collectively  referred  to as the  "Excise  Tax"),  then the  Employee  shall be
entitled to receive an  additional  payment (a "Gross-Up  Payment") in an amount
such that after payment by the Employee of all taxes  (including any interest or
penalties imposed with respect to such taxes),  including,  without  limitation,
any income taxes (and any interest and penalties  imposed with respect  thereto)
and Excise Tax imposed upon the Gross-Up Payment, the Employee retains an amount
of the  Gross-Up  Payment  equal to the Excise Tax  imposed  upon the  Payments.
Notwithstanding  the  foregoing  provisions  of this Section 5.3, if it shall be
determined  that the  Employee is entitled to a Gross-Up  Payment,  but that the
Payments do not exceed 110% of the greatest  amount (the "Reduced  Amount") that
could be paid to the Employee  such that the receipt of Payments  would not give
rise to any Excise Tax,  then no Gross-Up  Payment shall be made to the Employee
and the Payments, in the aggregate, shall be reduced to the Reduced Amount.

         (b) Subject to the  provisions of Section  5.3(c),  all  determinations
required  to be made  under  this  Section  5.3,  including  whether  and when a
Gross-Up  Payment is required  and the amount of such  Gross-Up  Payment and the
assumptions to be utilized in arriving at such  determination,  shall be made by
Ernst  and  Young  or such  other  certified  public  accounting  firm as may be
designated by the Employee (the "Accounting  Firm") which shall provide detailed
supporting  calculations both to the Company and the Employee within 15 business
days of the receipt of notice from the  Employee  that there has been a Payment,
or such  earlier  time as is  requested  by the  Company.  In the event that the
Accounting Firm is serving as accountant or auditor for the  individual,  entity
or group  effecting the Change of Control,  the Employee  shall appoint  another
nationally  recognized  accounting  firm to  make  the  determinations  required
hereunder  (which  accounting  firm shall then be referred to as the  Accounting
Firm  hereunder).  All fees and expenses of the  Accounting  Firm shall be borne
solely by the Company.  Any Gross-Up  Payment,  as  determined  pursuant to this
Section 5.3,  shall be paid by the Company to the  Employee  within five days of
the receipt of the Accounting  Firm's  determination.  Any  determination by the
Accounting Firm shall be binding upon the Company and the Employee.  As a result
of the uncertainty in the application of Section 4999 of the Code at the time of
the initial determination by the Accounting Firm hereunder,  it is possible that
Gross-Up  Payments which will not have been made by the Company should have been
made  ("Underpayment"),  consistent  with the  calculations  required to be made
hereunder.  In the event that the  Company  exhausts  its  remedies  pursuant to
Section 5.3(c) and the Employee  thereafter is required to make a payment of any
Excise Tax, the Accounting Firm shall  determine the amount of the  Underpayment
that has  occurred  and any such  Underpayment  shall  be  promptly  paid by the
Company to or for the benefit of the Employee.

                                        4
<PAGE>
         (c) The  Employee  shall  notify the Company in writing of any claim by
the Internal  Revenue Service that, if successful,  would require the payment by
the Company of the Gross-Up Payment. Such notification shall be given as soon as
practicable  but no later than ten business  days after the Employee is informed
in  writing of such claim and shall  apprise  the  Company of the nature of such
claim and the date on which such claim is  requested  to be paid.  The  Employee
shall not pay such claim prior to the expiration of the 30-day period  following
the date on which it gives such notice to the Company  (or such  shorter  period
ending on the date that any payment of taxes with respect to such claim is due).
If the Company  notifies the Employee in writing prior to the expiration of such
period that it desires to contest such claim, the Employee shall:

         (i)  give  the  Company  any  information  reasonably  requested by the
Company relating to such claim,

         (ii) take such action in connection  with  contesting such claim as the
Company  shall  reasonably  request  in  writing  from time to time,  including,
without limitation, accepting legal representation with respect to such claim by
an attorney reasonably selected by the Company,

         (iii) cooperate with the Company in good faith in order  effectively to
contest such claim, and

         (iv) permit the  Company  to participate in any proceedings relating to
such claim;

provided,  however,  that the Company  shall bear and pay directly all costs and
expenses  (including  additional  interest and penalties) incurred in connection
with such  contest and shall  indemnify  and hold the Employee  harmless,  on an
after-tax  basis,  for any  Excise  Tax or income tax  (including  interest  and
penalties with respect thereto) imposed as a result of such  representation  and
payment of costs and expenses. Without limitation on the foregoing provisions of
this  Section  5.3(c),  the  Company  shall  control  all  proceedings  taken in
connection  with such contest  and, at its sole option,  may pursue or forgo any
and all administrative appeals,  proceedings,  hearings and conferences with the
taxing  authority in respect of such claim and may, at its sole  option,  either
direct the  Employee  to pay the tax claimed and sue for a refund or contest the
claim in any  permissible  manner,  and the Employee  agrees to  prosecute  such
contest to a determination  before any  administrative  tribunal,  in a court of
initial  jurisdiction and in one or more appellate  courts, as the Company shall
determine;  provided,  however,  that if the Company directs the Employee to pay
such claim and sue for a refund,  the Company  shall  advance the amount of such
payment to the Employee,  on an interest-free basis and shall indemnify and hold
the Employee harmless,  on an after-tax basis, from any Excise Tax or income tax
(including  interest or penalties with respect  thereto) imposed with respect to
the such  advance or with  respect to any imputed  income  with  respect to such
advance;  and further  provided that any extension of the statute of limitations
relating to payment of taxes for the taxable year of the  Employee  with respect
to which such  contested  amount is claimed to be due is limited  solely to such
contested  amount.  Furthermore,  the Company's  control of the contest shall be
limited to issues  with  respect to which a  Gross-Up  Payment  would be payable
hereunder and the Employee  shall be entitled to settle or contest,  as the case
may be, any other  issue  raised by the  Internal  Revenue  Service or any other
taxing authority.

         (d) If, after the receipt by the Employee of an amount  advanced by the
Company pursuant to Section 5.3(c), the Employee becomes entitled to receive any
refund with respect to such claim,  the Employee shall (subject to the Company's
employing with the  requirements  of Section 5.3 promptly pay to the Company the
amount of such refund (together with any interest paid or credited thereon after
taxes  applicable  thereto).  If, after the receipt by the Employee of an amount
advanced by the Company pursuant to Section 5.3(c), a determination is made that
the Employee  shall not be entitled to any refund with respect to such claim and
the  Company  does not notify the  Employee  in writing of its intent to contest
such  denial  of  refund  prior  to  the   expiration  of  30  days  after  such
determination,  then such advance shall be forgiven and shall not be required to
be repaid and the amount of such advance  shall offset,  to the extent  thereof,
the amount of Gross-Up Payment required to be paid.

6.       Covenants.

         6.1  Employee  agrees  that  any  and  all  confidential  knowledge  or
information,  including but not limited to customer lists, books, records, data,
formulae,  specifications,  inventions,  processes and methods, and developments
and  improvements,  which have been or may be obtained or learned by Employee in
the course of his  employment  with the Company,  will be held  confidential  by
Employee, and that Employee shall not disclose the same to any person outside of
the  Company  either  during  his  employment  with the  Company  or  after  his
employment by the Company has terminated.

         6.2 Employee  agrees that upon  termination of his employment  with the
Company he will  immediately  surrender  and turn over to the Company all books,
records,  forms,  specifications,  formulae,  data,  and all papers and writings
relating to the business of the Company and all other property  belonging to the
Company,  it being  understood and agreed that the same are the sole property of
the Company and that Employee shall not make or retain any copies thereof.

                                        5
<PAGE>
         6.3 Employee agrees that all  inventions,  developments or improvements
which he has made or may make, conceive,  invent,  discover or otherwise acquire
during his employment with the Company in the scope of his  responsibilities  or
otherwise shall become the sole property of the Company.

         6.4 Employee  agrees to provide a release of any claims with respect to
termination  of his or her  employment  on such form as requested by the Company
upon payment of the sums provided in Section 4.3 above.

7.       Miscellaneous Provisions.

         7.1 All terms and  conditions  of this  Agreement are set forth herein,
and there are no warranties,  agreements or understandings,  express or implied,
except those expressly set forth herein.

         7.2 Any  modification  to  this  Agreement  shall  be  binding  only if
evidenced in writing signed by all parties hereto.

         7.3 Any notice or other communication required or permitted to be given
hereunder shall be deemed properly given if personally delivered or deposited in
the United States mail,  registered or certified and postage prepaid,  addressed
to the Company at 2141 Rosecrans  Ave.,  Suite 4000, El Segundo,  CA (Attention:
General Counsel),  or to Employee at his or her most recent home address on file
with Company,  or at other such addresses as may from time to time be designated
in writing by the respective parties.

         7.4 The laws of the State of  California  shall  govern the validity of
this Agreement,  the  construction of its terms, and the  interpretation  of the
rights and duties of the parties involved.

         7.5 In the event that any one or more of the  provisions  contained  in
this  Agreement  shall  for  any  reason  be  held  to be  invalid,  illegal  or
unenforceable,  the same shall not affect any other provision of this Agreement,
but  this  Agreement  shall  be  construed  as  if  such  invalid,   illegal  or
unenforceable provisions had never been contained herein.

         7.6 This Agreement  shall be binding upon, and inure to the benefit of,
the  successors  and assigns of the Company  and the  personal  representatives,
heirs and legatees of Employee.

         7.7 "Bonus"  refers to the Unocal  Incentive Compensation  Plan and any
replacement  or  successor  plan thereof.

         7.8 Company shall pay 90% (ninety percent) of Employee's  out-of-pocket
litigation expenses,  including  reasonable  attorney's fees, in connection with
any judicial  proceeding to enforce this  Agreement or construe or determine the
validity of this  Agreement,  whether or not the Employee is  successful in such
proceeding.

         7.9 The  term  "Company"  shall  include  with  respect  to  employment
hereunder,  any  subsidiary or affiliate of the Company as well as any successor
employer following a Change in Control.

         7.10 This  Agreement  succeeds  and  replaces  that  Unocal  Employment
Agreement which was effective December 8, 1997 between Company and Employee.


IN WITNESS WHEREOF, the parties have executed this Agreement effective as of the
date first above written.

BY:
         Chairman of the Management Development and
         Compensation Committee of the Unocal
         Board of Directors

BY:
         EMPLOYEE

                                        6

<TABLE>
<CAPTION>
                                                                       EXHIBIT 12.1
                  UNOCAL CORPORATION AND CONSOLIDATED SUBSIDIARIES
                 COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES








                                                                 For the Six Months
                                                                     Ended June 30 
                                                                 -----------------
Millions of dollars                                                1998       1997 
- ----------------------------------------------------------------------------------


<S>                                                                 <C>       <C> 
Earnings from continuing operations ..........................      $123      $344
Provision for income taxes ...................................       138       242
- ----------------------------------------------------------------------------------
         Earnings subtotal ...................................       261       586
Fixed charges included in earnings:
   Interest expense ..........................................      $ 83      $110
   Distribution on convertible preferred securities ..........        16        16
   Interest portion of rentals ...............................        12        14
- ----------------------------------------------------------------------------------
         Fixed charges subtotal ..............................       111       140
Earnings from continuing operations
   available before fixed charges ............................      $372      $726
- ----------------------------------------------------------------------------------
Fixed charges:
   Fixed charges included in earnings ........................      $111      $140
   Capitalized interest ......................................        17        16
- ----------------------------------------------------------------------------------
         Total fixed charges .................................      $128      $156
- ----------------------------------------------------------------------------------
Ratio of earnings from continuing operations
   to fixed charges ..........................................       2.9       4.7
- ----------------------------------------------------------------------------------
</TABLE>

<TABLE>
<CAPTION>
                                                                      EXHIBIT 12.2
            UNION OIL COMPANY OF CALIFORNIA AND CONSOLIDATED SUBSIDIARIES
                 COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES








                                                                For the Six Months
                                                                  Ended June 30
                                                               -------------------
Millions of dollars                                              1998         1997
- ----------------------------------------------------------------------------------


<S>                                                               <C>         <C> 
Earnings from continuing operations ......................        $134        $362
Provision for income taxes ...............................         144         242
- ----------------------------------------------------------------------------------
      Earnings subtotal ..................................         278         604
Fixed charges included in earnings:
   Interest expense ......................................          83         110
   Interest portion of rentals ...........................          12          14
- ----------------------------------------------------------------------------------
      Fixed charges subtotal .............................          95         124
Earnings from continuing operations
   available before fixed charges ........................         373         728
- ----------------------------------------------------------------------------------
Fixed charges:
   Fixed charges included in earnings ....................          95         124
   Capitalized interest ..................................          17          16
- ----------------------------------------------------------------------------------
      Total fixed charges ................................        $112        $140
- ----------------------------------------------------------------------------------
Ratio of earnings from continuing operations
    to fixed charges .....................................         3.3         5.2
- ----------------------------------------------------------------------------------

</TABLE>

<TABLE> <S> <C>

<ARTICLE>                                                                      5
<LEGEND>
     Unocal Corporation FDS
</LEGEND>
<MULTIPLIER>                                                          1,000,000
       
<S>                                                                 <C>
<PERIOD-TYPE>                                                              6-MOS
<FISCAL-YEAR-END>                                                    DEC-31-1998
<PERIOD-START>                                                       JAN-01-1998
<PERIOD-END>                                                         JUN-30-1998
<CASH>                                                                       193
<SECURITIES>                                                                   0
<RECEIVABLES>                                                                888
<ALLOWANCES>                                                                (49)
<INVENTORY>                                                                  148
<CURRENT-ASSETS>                                                           1,260
<PP&E>                                                                    14,974
<DEPRECIATION>                                                          (10,022)
<TOTAL-ASSETS>                                                             7,750
<CURRENT-LIABILITIES>                                                        974
<BONDS>                                                                    2,480
                                                          0
                                                                    0
<COMMON>                                                                     252
<OTHER-SE>                                                                 2,505
<TOTAL-LIABILITY-AND-EQUITY>                                               7,750
<SALES>                                                                    2,397
<TOTAL-REVENUES>                                                           2,604
<CGS>                                                                      1,620
<TOTAL-COSTS>                                                              2,343
<OTHER-EXPENSES>                                                             178
<LOSS-PROVISION>                                                               0
<INTEREST-EXPENSE>                                                            83
<INCOME-PRETAX>                                                              261
<INCOME-TAX>                                                                 138
<INCOME-CONTINUING>                                                          123
<DISCONTINUED>                                                                 0
<EXTRAORDINARY>                                                                0
<CHANGES>                                                                      0
<NET-INCOME>                                                                 123
<EPS-PRIMARY>                                                               0.51
<EPS-DILUTED>                                                               0.50
        

</TABLE>


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