<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED FINANCIAL STATEMENTS OF THE COMPANY AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED>
<MULTIPLIER> 1,000

<S>                             <C>                     <C>                     <C>
<PERIOD-TYPE>                   6-MOS                   9-MOS                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1996             DEC-31-1996             DEC-31-1995
<PERIOD-START>                             JAN-01-1996             JAN-01-1996             MAR-31-1995
<PERIOD-END>                               JUN-30-1996             SEP-30-1996             DEC-31-1995
<CASH>                                           8,937                  10,803                   6,213
<SECURITIES>                                         0                       0                   5,000
<RECEIVABLES>                                    3,454                   2,987                   2,550
<ALLOWANCES>                                         0                       0                       0
<INVENTORY>                                          0                       0                       0
<CURRENT-ASSETS>                                12,424                  13,832                  13,843
<PP&E>                                          47,580                  62,529                  43,214
<DEPRECIATION>                                   1,894                   2,361                     216
<TOTAL-ASSETS>                                  58,690                  74,824                  57,487
<CURRENT-LIABILITIES>                            2,753                   5,072                   1,938
<BONDS>                                              0                       0                  20,000
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                          0                       0                       0
<COMMON>                                           188                     195                     188
<OTHER-SE>                                      33,030                  37,756                  34,397
<TOTAL-LIABILITY-AND-EQUITY>                    58,690                  74,824                  57,487
<SALES>                                          6,654                  10,237                     743
<TOTAL-REVENUES>                                 6,789                  10,377                     985
<CGS>                                                0                       0                       0
<TOTAL-COSTS>                                    6,369                   8,746                   3,215
<OTHER-EXPENSES>                                  (246)                   (336)                   (796)
<LOSS-PROVISION>                                     0                       0                       0
<INTEREST-EXPENSE>                                 711                   1,179                      97
<INCOME-PRETAX>                                    (45)                    788                  (1,531)
<INCOME-TAX>                                         0                   2,998                       0
<INCOME-CONTINUING>                                (45)                 (2,210)                 (1,531)
<DISCONTINUED>                                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                       (45)                 (2,210)                 (1,531)
<EPS-PRIMARY>                                     (.00)                   (.12)                   (.11)
<EPS-DILUTED>                                     (.00)                   (.12)                   (.11)


</TABLE>