<ARTICLE> 5
<CIK> 0000773910
<NAME> ANADARKO PETROLEUM CORPORATION
<MULTIPLIER> 1000

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               JUN-30-1999
<CASH>                                          16,861
<SECURITIES>                                         0
<RECEIVABLES>                                  183,709
<ALLOWANCES>                                         0
<INVENTORY>                                     30,175
<CURRENT-ASSETS>                               233,925
<PP&E>                                       5,598,854
<DEPRECIATION>                               2,194,827
<TOTAL-ASSETS>                               3,690,606
<CURRENT-LIABILITIES>                          222,606
<BONDS>                                      1,305,805
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                    200,000
<COMMON>                                        12,941
<OTHER-SE>                                   1,279,850
<TOTAL-LIABILITY-AND-EQUITY>                 3,690,606
<SALES>                                        297,883
<TOTAL-REVENUES>                               297,883
<CGS>                                          196,715
<TOTAL-COSTS>                                  196,715
<OTHER-EXPENSES>                                20,000
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              37,142
<INCOME-PRETAX>                                (3,578)
<INCOME-TAX>                                     6,085
<INCOME-CONTINUING>                            (9,663)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (9,663)
<EPS-BASIC>                                   (0.12)
<EPS-DILUTED>                                   (0.12)