<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> SEP-30-2000
<CASH> 125,948
<SECURITIES> 755,706
<RECEIVABLES> 144,451
<ALLOWANCES> 0
<INVENTORY> 40,629
<CURRENT-ASSETS> 1,108,779
<PP&E> 2,597,037
<DEPRECIATION> 726,387
<TOTAL-ASSETS> 3,071,916
<CURRENT-LIABILITIES> 97,734
<BONDS> 806,655
0
0
<COMMON> 1,394
<OTHER-SE> 1,835,289
<TOTAL-LIABILITY-AND-EQUITY> 3,071,916
<SALES> 0
<TOTAL-REVENUES> 468,493
<CGS> 0
<TOTAL-COSTS> 315,000<F1>
<OTHER-EXPENSES> 128,353<F2>
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 6,702
<INCOME-PRETAX> 67,169
<INCOME-TAX> 23,567
<INCOME-CONTINUING> 43,602
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 43,602
<EPS-BASIC> 0.32
<EPS-DILUTED> 0.32
<FN>
<F1>Includes contract drilling expenses only.
<F2>Includes other operating expenses.
</FN>
</TABLE>