<ARTICLE> 5
       
                                                  
<PERIOD-TYPE>                   3-MOS                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1996             DEC-31-1997
<PERIOD-START>                             JAN-01-1996             JAN-01-1997
<PERIOD-END>                               MAR-31-1996             MAR-31-1997
<CASH>                                           1,254                   1,064
<SECURITIES>                                         0                       0
<RECEIVABLES>                                   17,828                  21,473
<ALLOWANCES>                                         0                       0
<INVENTORY>                                        611                     687
<CURRENT-ASSETS>                                20,381                  24,395
<PP&E>                                         158,154                 171,234
<DEPRECIATION>                                (45,020)                (46,814)
<TOTAL-ASSETS>                                 234,820                 266,462
<CURRENT-LIABILITIES>                           44,314                  31,173
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                             0                       0
<OTHER-SE>                                    (25,438)                (25,394)
<TOTAL-LIABILITY-AND-EQUITY>                   234,820                 266,462
<SALES>                                         29,699                  40,232
<TOTAL-REVENUES>                                29,699                  40,232
<CGS>                                           17,406                  22,298
<TOTAL-COSTS>                                   24,959                  33,274
<OTHER-EXPENSES>                                     0                       0
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                               2,846                   6,712
<INCOME-PRETAX>                                  1,894                      64
<INCOME-TAX>                                         0                       0
<INCOME-CONTINUING>                              1,894                      64
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                     1,894                      64
<EPS-PRIMARY>                                        0                       0
<EPS-DILUTED>                                        0                       0