<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
unaudited financial statements of BP Prudhoe Bay Royalty Trust as of and for the
fiscal quarter ended September 30, 1998 and is qualified in its entirety by
reference to such financial statements.
</LEGEND>
<MULTIPLIER> 1,000
       
                                                                 
<PERIOD-TYPE>                               3-MOS                      9-MOS
<FISCAL-YEAR-END>                           DEC-31-1998                DEC-31-1998
<PERIOD-END>                                SEP-30-1998                SEP-30-1998
<CASH>                                      0                          0
<SECURITIES>                                0                          0
<RECEIVABLES>                               0                          0
<ALLOWANCES>                                0                          0
<INVENTORY>                                 0                          0
<CURRENT-ASSETS>                            0                          0
<PP&E>                                      535,000                    535,000
<DEPRECIATION>                             (325,191)                  (325,191)
<TOTAL-ASSETS>                              209,809                    209,809
<CURRENT-LIABILITIES>                       109                        109
<BONDS>                                     0                          0
<PREFERRED-MANDATORY>                       0                          0
<PREFERRED>                                 0                          0
<COMMON>                                    209,700                    209,700
<OTHER-SE>                                  0                          0
<TOTAL-LIABILITY-AND-EQUITY>                209,809                    209,809
<SALES>                                     0                          0
<TOTAL-REVENUES>                            1,773                      13,863
<CGS>                                       0                          0
<TOTAL-COSTS>                               0                          0
<OTHER-EXPENSES>                            303                        640
<LOSS-PROVISION>                            0                          0
<INTEREST-EXPENSE>                          0                          0
<INCOME-PRETAX>                             1,470                      13,381
<INCOME-TAX>                                0                          0
<INCOME-CONTINUING>                         1,470                      13,381
<DISCONTINUED>                              0                          0
<EXTRAORDINARY>                             0                          0
<CHANGES>                                   0                          0
<NET-INCOME>                                1,470                      13,381
<EPS-PRIMARY>                               0.069                      0.626
<EPS-DILUTED>                               0.069                      0.626