<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM "ITEM 1
FINANCIAL STATEMENTS" AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> SEP-30-2000
<CASH> 638
<SECURITIES> 0
<RECEIVABLES> 1,120
<ALLOWANCES> 0
<INVENTORY> 0
<CURRENT-ASSETS> 2,357
<PP&E> 121,910
<DEPRECIATION> 95,186
<TOTAL-ASSETS> 29,136
<CURRENT-LIABILITIES> 965
<BONDS> 301
0
0
<COMMON> 121,146
<OTHER-SE> (96,769)
<TOTAL-LIABILITY-AND-EQUITY> 24,377
<SALES> 3,312
<TOTAL-REVENUES> 3,357
<CGS> 2,194
<TOTAL-COSTS> 2,864
<OTHER-EXPENSES> 1,939
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 94
<INCOME-PRETAX> (1,540)
<INCOME-TAX> (33)
<INCOME-CONTINUING> (1,507)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (1,507)
<EPS-BASIC> (.02)
<EPS-DILUTED> (.02)
</TABLE>