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                                                                      EXHIBIT 12


                       UNION PACIFIC RESOURCES GROUP INC.

               COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES
                     (Amounts in Thousands, Except Ratios)
                                  (Unaudited)

<TABLE>
<CAPTION>
                                                                                         Nine Months     
                                                                                     Ended September 30, 
                                                                                   ----------------------
                                                                                      1995         1996  
                                                                                   ---------    ---------   
<S>                                                                                <C>          <C>         
Income before income taxes.........................                                $ 272,994    $ 304,802   
                                                                                                            
Add (deduct) distributions greater (less) than                                                              
  income of unconsolidated affiliates..............                                    3,337       (1,866)   
                                                                                                            
Fixed charges from below...........................                                    9,354       43,681   
                                                                                                            
Capitalized interest included in fixed charges.....                                     (719)        (124)  
                                                                                   ---------    ---------   
                                                                                                            
     Earnings available for fixed charges..........                                $ 284,966    $ 346,493   
                                                                                   =========    =========   
                                                                                                            
                                                                                                            
Fixed charges:                                                                                              
  Interest expense (a).............................                                $   3,425    $  37,976   
  Amortization of debt expense/discount............                                      --           565   
  Portion of rentals representing an interest                                                               
    factor.........................................                                    5,210        5,016   
  Interest capitalized.............................                                      719          124   
                                                                                   ---------    ---------   
                                                                                                            
     Total fixed charges...........................                                $   9,354    $  43,681   
                                                                                   =========    =========   
                                                                                                            
                                                                                                            
Ratio of earnings to fixed charges (a).............                                     30.5          7.9   
                                                                                   =========    =========   
</TABLE>

(a) In 1996, interest expense includes the effects of debt incurred in October
    1995 in connection with the Company's initial public offering (see Note 2
    to the Condensed Consolidated Financial Statements).