<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
THE SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FORM 10-Q FOR
PRIMA ENERGY CORPORATION FOR THE NINE MONTHS ENDED SEPTEMBER 30, 2000 AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> SEP-30-2000
<CASH> 17,239,000
<SECURITIES> 2,244,000
<RECEIVABLES> 8,448,000
<ALLOWANCES> (45,000)
<INVENTORY> 1,950,000
<CURRENT-ASSETS> 30,668,000
<PP&E> 107,383,000
<DEPRECIATION> (46,346,000)
<TOTAL-ASSETS> 91,962,000
<CURRENT-LIABILITIES> 7,382,000
<BONDS> 0
0
0
<COMMON> 134,000
<OTHER-SE> 72,673,000
<TOTAL-LIABILITY-AND-EQUITY> 91,962,000
<SALES> 30,390,000
<TOTAL-REVENUES> 36,022,000
<CGS> 9,576,000
<TOTAL-COSTS> 13,409,000
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 0
<INCOME-PRETAX> 20,484,000
<INCOME-TAX> 5,920,000
<INCOME-CONTINUING> 14,564,000
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 14,564,000
<EPS-BASIC> 1.72
<EPS-DILUTED> 1.65
</TABLE>