<ARTICLE>                      5
<CIK>                          0000869801
<NAME>                         GEODYNE INST/PENSION ENERGY INCOME LTD PSHIP P-6
                                
                            
<PERIOD-TYPE>                  6-MOS
<FISCAL-YEAR-END>              DEC-31-1998
<PERIOD-START>                 JAN-01-1998
<PERIOD-END>                   JUN-30-1998
<CASH>                               310,808
<SECURITIES>                               0
<RECEIVABLES>                        166,775
<ALLOWANCES>                               0
<INVENTORY>                                0
<CURRENT-ASSETS>                     477,583
<PP&E>                            12,079,029
<DEPRECIATION>                     9,789,375
<TOTAL-ASSETS>                     2,767,237
<CURRENT-LIABILITIES>                      0
<BONDS>                                    0
<PREFERRED-MANDATORY>                      0
<PREFERRED>                                0
<COMMON>                                   0
<OTHER-SE>                         2,767,237
<TOTAL-LIABILITY-AND-EQUITY>       2,767,237
<SALES>                              617,373
<TOTAL-REVENUES>                     759,333
<CGS>                                      0
<TOTAL-COSTS>                        287,720
<OTHER-EXPENSES>                           0
<LOSS-PROVISION>                           0
<INTEREST-EXPENSE>                         0
<INCOME-PRETAX>                      471,613
<INCOME-TAX>                               0
<INCOME-CONTINUING>                  471,613
<DISCONTINUED>                             0
<EXTRAORDINARY>                            0
<CHANGES>                                  0
<NET-INCOME>                         471,613
<EPS-PRIMARY>                           3.08
<EPS-DILUTED>                              0