<ARTICLE>                     5
<LEGEND>
This schedule contains summary financial information extracted from Swift Energy
Income Partners 1988-B, Ltd's balance sheet and statement of operations
contained in its Form 10-Q for the quarter ended September 30, 1996.
</LEGEND>
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                              DEC-31-1996
<PERIOD-END>                                   SEP-30-1996
<CASH>                                         1,862
<SECURITIES>                                   0
<RECEIVABLES>                                  101,822
<ALLOWANCES>                                   0
<INVENTORY>                                    0
<CURRENT-ASSETS>                               103,684
<PP&E>                                         7,015,713
<DEPRECIATION>                                 (5,945,956)
<TOTAL-ASSETS>                                 1,177,870
<CURRENT-LIABILITIES>                          119,402
<BONDS>                                        0
<PREFERRED-MANDATORY>                          0
<PREFERRED>                                    0
<COMMON>                                       0
<OTHER-SE>                                     1,017,043
<TOTAL-LIABILITY-AND-EQUITY>                   1,177,870
<SALES>                                        347,077
<TOTAL-REVENUES>                               348,687
<CGS>                                          0
<TOTAL-COSTS>                                  280,211<F1>
<OTHER-EXPENSES>                               0
<LOSS-PROVISION>                               0
<INTEREST-EXPENSE>                             0
<INCOME-PRETAX>                                11,411
<INCOME-TAX>                                   0
<INCOME-CONTINUING>                            11,411
<DISCONTINUED>                                 0
<EXTRAORDINARY>                                0
<CHANGES>                                      0
<NET-INCOME>                                   11,411
<EPS-PRIMARY>                                  0
<EPS-DILUTED>                                  0
<FN>
<F1>Includes lease operating expenses, production taxes and depreciation deple-
tion and amoritization expense. Excludes general and administrative and interest
expense.
</FN>