<TABLE> <S> <C>
                                                                          
<ARTICLE>                   5                                                   
<CIK>                       0000869801                                          
<NAME>                      GEODYNE INST/PENSION ENERGY INCOME LIMITED PTSP P-6 
                                                                                
<S>                         <C>                                                 
<PERIOD-TYPE>               12-MOS                                              
<FISCAL-YEAR-END>           DEC-31-1998                                         
<PERIOD-START>              JAN-01-1998                                         
<PERIOD-END>                DEC-31-1998                                         
<CASH>                            300,324                                       
<SECURITIES>                            0                                       
<RECEIVABLES>                     145,612                                       
<ALLOWANCES>                            0                                       
<INVENTORY>                             0                                       
<CURRENT-ASSETS>                  445,936                                       
<PP&E>                         11,963,385                                       
<DEPRECIATION>                  9,897,539                                       
<TOTAL-ASSETS>                  2,511,782                                       
<CURRENT-LIABILITIES>                   0                                       
<BONDS>                                 0                                       
<PREFERRED-MANDATORY>                   0                                       
<PREFERRED>                             0                                       
<COMMON>                                0                                       
<OTHER-SE>                      2,511,782                                       
<TOTAL-LIABILITY-AND-EQUITY>    2,511,782                                       
<SALES>                         1,240,100                                       
<TOTAL-REVENUES>                1,389,373                                       
<CGS>                                   0                                       
<TOTAL-COSTS>                     593,460                                       
<OTHER-EXPENSES>                        0                                       
<LOSS-PROVISION>                        0                                       
<INTEREST-EXPENSE>                      0                                       
<INCOME-PRETAX>                   795,913                                       
<INCOME-TAX>                            0                                       
<INCOME-CONTINUING>               795,913                                       
<DISCONTINUED>                          0                                       
<EXTRAORDINARY>                         0                                       
<CHANGES>                               0                                       
<NET-INCOME>                      795,913                                       
<EPS-PRIMARY>                        5.17                                       
<EPS-DILUTED>                           0                                       
                            
 

</TABLE>