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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
 
                                  FORM 10-K/A
                                AMENDMENT NO. 3
 
(MARK ONE)   
  [X]             ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
                   SECURITIES AND EXCHANGE ACT OF 1934 [FEE REQUIRED]
                       FOR THE FISCAL YEAR ENDED DECEMBER 31, 1997

  [ ]           TRANSACTION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
                    SECURITIES EXCHANGE ACT OF 1934 [NO FEE REQUIRED]
 
            FOR THE TRANSITION PERIOD FROM            TO
 
                           COMMISSION FILE NUMBER: 1-4014
 
                                   FINA, INC.
             (Exact name of registrant as specified in its charter)
 
                  DELAWARE                                       13-1820692
       State or other jurisdiction of                         (I.R.S. Employer
       incorporation or organization                        Identification No.)
         FINA PLAZA, DALLAS, TEXAS                                 75206
  (Address of principal executive offices)                       (Zip Code)
 
       Registrant's Telephone Number Including Area Code: (214) 750-2400
 
          Securities registered pursuant to Section 12(b) of the Act:
 
                                                    NAME OF EACH EXCHANGE
            TITLE OF EACH CLASS                      ON WHICH REGISTERED
            -------------------                     ---------------------
    Class A Common Stock $.50 par value            American Stock Exchange
 
          Securities registered pursuant to Section 12(g) of the Act:
 
                                      None
 
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
                                                       ---        ---
     The aggregate market value of the Class A Common voting stock held by
non-affiliates of the Registrant as of February 11, 1998 was $162,562,360 based
on the highest price of $59.8125 per share as recorded by the American Stock
Exchange.
 
     The number of shares outstanding of each of the issuer's classes of common
stock, as of March 6, 1997:
 
                       CLASS A COMMON STOCK -- 29,231,972
                       CLASS B COMMON STOCK --  2,000,000
 
     Documents Incorporated by Reference: Part III: The Company's Proxy
Statement for Annual Meeting of Stockholders of April 15, 1998
 
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     The following item of Fina, Inc.'s Annual Report on Form 10-K for the
fiscal year ended December 31, 1997 is hereby amended. No exhibits are filed
with this amendment. The amended item is set forth herein in its entirety.


ITEM 6  SELECTED FINANCIAL DATA
 
                          FINA, INC. AND SUBSIDIARIES
 
                    SUMMARY OF FINANCIAL AND OPERATING DATA
 
<TABLE>
<CAPTION>
                                                            1997         1996         1995         1994         1993
                                                         ----------   ----------   ----------   ----------   ----------
                                                             (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS AND EMPLOYEES)
<S>                                                      <C>          <C>          <C>          <C>          <C>
FINANCIAL
Sales and other operating revenues.....................  $4,462,477   $4,081,244   $3,606,637   $3,421,112   $3,416,223
Depreciation, depletion, amortization, and lease
  impairment...........................................     201,854      171,029      213,964*     185,961      198,341
Net earnings:
  Earnings before cumulative effect of accounting
    change.............................................     126,401      153,206      104,425      102,041       70,353
  Net earnings (loss)..................................     126,401      153,206      104,425      102,041       70,353
Earnings per common share:
  Earnings before cumulative effect of accounting
    change.............................................        4.05         4.91         3.35         3.27         2.26
  Net earnings (loss)..................................        4.05         4.91         3.35         3.27         2.26
Capital expenditures...................................     340,716      263,330      218,436      136,381      125,472
Long-term debt.........................................     593,532      584,983      496,331      531,162      740,058
Total long-term obligations............................     594,988      587,290      498,446      532,148      766,476
Total assets...........................................   3,014,674    2,855,822    2,487,718    2,493,862    2,511,353
Stockholders' equity...................................   1,277,112    1,247,285    1,178,057    1,144,807    1,098,827
Cash dividends per share...............................        3.10         2.70         2.30         1.80         1.60
Average shares outstanding.............................      31,218       31,214       31,198       31,188       31,180
OPERATIONS
Crude oil, condensate, and natural gas liquids produced
  (in thousands of net barrels)........................       3,806        3,808        3,749        4,556        5,905
Natural gas produced (in millions of cubic feet).......      69,698       56,719       52,119       52,864       67,924
Natural gas sold (in millions of cubic feet)...........     293,531      193,682      190,926      259,515      204,449
Total refinery throughput (barrels per day)............     232,000      211,000      220,000      215,000      198,000
Major petrochemicals and plastics sold (millions of
  pounds)..............................................       4,104        3,700        3,000        3,200        3,000
Company-branded service stations.......................       2,659        2,578        2,702        2,607        2,675
Undeveloped leasehold acreage (net)....................     242,686      212,625      209,167      189,723      203,734
Fee, mineral, and royalty acreage (net)................   1,045,771    1,036,180    1,035,922    1,036,342    1,045,108
Employees (year-end)...................................       2,873        2,664        2,693        2,770        3,224
</TABLE>
 
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* Includes a $58,723,000 charge for adoption of Financial Accounting Standard
  No. 121 (FAS 121)




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                                   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.
 
                                        FINA, Inc.
                                        (Registrant)
 
                                        By:       /s/ CULLEN M. GODFREY
                                           -------------------------------------
                                                     Cullen M. Godfrey
                                           Senior Vice President, Secretary and
                                                      General Counsel
 
Date: May 15, 1998