EXHIBIT 10.12 SNYDER OIL CORPORATION COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (Unaudited) Six Months Ended Years ended December 31, June 30, -------------------------------------------------------- ----------- 1989 1990 1991 1992 1993 1994 --------- --------- -------- -------- -------- -------- (Dollars in thousands) Income before taxes, extraordinary item, and and accounting change $ 7,321 $ 9,857 $11,439 $17,305 $34,909 $16,949 Interest expense 761 6,273 8,452 4,997 5,315 3,541 ------- ------- ------- ------- ------- ------- Earnings before fixed charges 8,082 16,130 19,891 22,302 40,224 20,490 ======= ======= ======= ======= ======= ======= Fixed Charges: Interest expense 761 6,273 8,452 4,997 5,315 3,541 ------- ------- ------- ------- ------- ------- Total fixed charges $ 761 $ 6,273 $ 8,452 $ 4,997 $ 5,315 $ 3,541 ======= ======= ======= ======= ======= ======= Ratio of earnings to fixed charges 10.62 2.57 2.35 4.46 7.57 5.79 1 EXHIBIT 10.12 SNYDER OIL CORPORATION COMPUTATION OF RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED DIVIDENDS (Unaudited) Six Months Ended Years ended December 31, June 30, ------------------------------------------------------- ----------- 1989 1990 1991 1992 1993 1994 -------- -------- -------- -------- -------- -------- (Dollars in thousands) Income before taxes, extraordinary item, and and accounting change $ 7,321 $ 9,857 $11,439 $17,305 $34,909 $16,949 Interest expense 761 6,273 8,452 4,997 5,315 3,541 ------- ------- ------- ------- ------- ------- Earnings before fixed charges 8,082 16,130 19,891 22,302 40,224 20,490 ======= ======= ======= ======= ======= ======= Fixed Charges: Interest expense 761 6,273 8,452 4,997 5,315 3,541 Preferred stock dividends 0 0 453 4,800 9,100 5,475 ------- ------- ------- ------- ------- ------- Total fixed charges $ 761 $ 6,273 $ 8,905 $ 9,797 $14,415 $ 9,016 ======= ======= ======= ======= ======= ======= Ratio of earnings to combined fixed charges and preferred dividends 10.62 2.57 2.23 2.28 2.79 2.27 ======= ====== ======= ======= ======= ======= 2