<ARTICLE> 5 <LEGEND> This schedule contains summary financial information extracted from Swift Energy Income Partners 1987-D, Ltd.'s balance sheet and statement of operations con- tained in its Form 10-K for the year ended December 31, 1996 and is qualified in its entirety by reference to such fianancial statements. </LEGEND> <PERIOD-TYPE> YEAR <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-END> DEC-31-1996 <CASH> 1,895 <SECURITIES> 0 <RECEIVABLES> 242,365 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 244,260 <PP&E> 10,876,589 <DEPRECIATION> (8,733,373) <TOTAL-ASSETS> 2,392,158 <CURRENT-LIABILITIES> 288,503 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 2,085,747 <TOTAL-LIABILITY-AND-EQUITY> 2,392,158 <SALES> 1,065,768 <TOTAL-REVENUES> 1,078,375 <CGS> 0 <TOTAL-COSTS> 812,982<F1> <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 77,449 <INCOME-TAX> 0 <INCOME-CONTINUING> 77,449 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 77,449 <EPS-PRIMARY> 0 <EPS-DILUTED> 0 <FN> <F1>Includes lease operating expenses, production taxes and depreciation, depletion and amortization expense. Excludes general and administrative and interest expenes. </FN>