<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM MESA
OFFSHORE TRUST FORM 10-Q FOR THE QUARTERLY PERIOD ENDED 09/30/00 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> 0
<SECURITIES> 2,360,012
<RECEIVABLES> 56,502
<ALLOWANCES> 0
<INVENTORY> 0
<CURRENT-ASSETS> 2,416,514
<PP&E> 380,905,000
<DEPRECIATION> 380,888,774
<TOTAL-ASSETS> 2,432,740
<CURRENT-LIABILITIES> 416,514
<BONDS> 0
0
0
<COMMON> 0
<OTHER-SE> 2,016,226
<TOTAL-LIABILITY-AND-EQUITY> 2,432,740
<SALES> 2,399,353
<TOTAL-REVENUES> 2,519,722
<CGS> 0
<TOTAL-COSTS> 0
<OTHER-EXPENSES> 373,428
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 0
<INCOME-PRETAX> 2,146,294
<INCOME-TAX> 0
<INCOME-CONTINUING> 0
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 2,146,294
<EPS-BASIC> .02
<EPS-DILUTED> .02
</TABLE>