<ARTICLE> 5
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               JUN-30-1997
<CASH>                                             287
<SECURITIES>                                         0
<RECEIVABLES>                                   48,939
<ALLOWANCES>                                         0
<INVENTORY>                                      9,082
<CURRENT-ASSETS>                                     0
<PP&E>                                         325,509
<DEPRECIATION>                                       0
<TOTAL-ASSETS>                                 395,646
<CURRENT-LIABILITIES>                          152,119
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           307
<OTHER-SE>                                           0
<TOTAL-LIABILITY-AND-EQUITY>                   395,646
<SALES>                                        142,439
<TOTAL-REVENUES>                               177,415
<CGS>                                          110,078
<TOTAL-COSTS>                                  132,030
<OTHER-EXPENSES>                                42,965
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               2,057
<INCOME-PRETAX>                                  (281)
<INCOME-TAX>                                    15,237
<INCOME-CONTINUING>                           (15,518)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                  1,511
<CHANGES>                                            0
<NET-INCOME>                                  (17,029)
<EPS-PRIMARY>                                    (.55)
<EPS-DILUTED>                                    (.55)