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                                                                    EXHIBIT 12.1

Range Resources Corporation
Computation of Ratio of Earnings to Fixed Charges
(in thousands except ratios)

<Table>
<Caption>
                                             Six Months
                                               Ended
                                              June 30,
                                                2003          2002          2001          2000          1999           1998
                                             ----------    ----------    ----------    ----------    ----------     ----------
                                                                                                  
EARNINGS:
Income before provision for incomes taxes    $   16,108    $   22,408    $   17,257    $   35,004    $  (22,772)    $ (229,618)
Add: Fixed charges                               10,986        23,715        32,732        40,475        47,436         40,840

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

Total earnings                               $   27,094    $   46,123    $   49,989    $   75,479    $   24,664     $ (188,778)
                                             ==========    ==========    ==========    ==========    ==========     ==========

FIXED CHARGES:
Interest expense                             $   10,719    $   23,153    $   32,179    $   39,953    $   47,085     $   40,642
Amortization of debt issuance costs (1)
Interest portion of rental expense                  267           562           553           522           351            198

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

Total fixed charges                          $   10,986    $   23,715    $   32,732    $   40,475    $   47,436     $   40,840
                                             ==========    ==========    ==========    ==========    ==========     ==========

Ratio of earnings to fixed charges                  2.5           1.9           1.5           1.9           0.5           (4.6)
</Table>

(1) Amortization of debt issuance costs is included in interest expense.

For the years ended December 31, 1999 and 1998, earnings were inadequate to
cover fixed charges by $22.8 million and $229.6 million, respectively.