<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from Swift
Energy Income Partners 1986-D, LtD.'s balance sheet and statement of
operations contained in its Form 10-K for the year ended December 31, 1995
and is qualified in its entirety by reference to such financial statements.
</LEGEND>
       
                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1995
<PERIOD-END>                               DEC-31-1995
<CASH>                                           1,854
<SECURITIES>                                         0
<RECEIVABLES>                                  212,786
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                               214,640
<PP&E>                                      13,172,466
<DEPRECIATION>                            (10,310,097)
<TOTAL-ASSETS>                               3,082,094
<CURRENT-LIABILITIES>                          616,027
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                             0
<OTHER-SE>                                   2,319,683
<TOTAL-LIABILITY-AND-EQUITY>                 3,082,094
<SALES>                                        760,864
<TOTAL-REVENUES>                               772,937
<CGS>                                                0
<TOTAL-COSTS>                                1,162,851<F1>
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              45,369
<INCOME-PRETAX>                              (538,885)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                          (538,885)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 (538,885)
<EPS-PRIMARY>                                        0
<EPS-DILUTED>                                        0
<FN>
<F1>Includes lease operating expense, production taxes, and depreciation,
depletion and amortization expense. Excludes general and administrative
and interest expense.
</FN>