<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM TRANSTEXAS
GAS CORPORATION'S CONSOLIDATED BALANCE SHEET AT JANUARY 31, 1999 AND THE
CONSOLIDATED STATEMENT OF OPERATIONS FOR THE YEAR ENDED JANUARY 31, 1999 AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          JAN-31-1999
<PERIOD-START>                             FEB-01-1998
<PERIOD-END>                               JAN-31-1999
<CASH>                                           3,775
<SECURITIES>                                         0
<RECEIVABLES>                                   17,377
<ALLOWANCES>                                         0
<INVENTORY>                                      3,210
<CURRENT-ASSETS>                                28,055
<PP&E>                                       1,459,630
<DEPRECIATION>                               1,167,487
<TOTAL-ASSETS>                                 345,367
<CURRENT-LIABILITIES>                                0
<BONDS>                                        581,865
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           740
<OTHER-SE>                                   (430,755)
<TOTAL-LIABILITY-AND-EQUITY>                   345,367
<SALES>                                         91,319
<TOTAL-REVENUES>                               156,766
<CGS>                                                0
<TOTAL-COSTS>                                  563,523
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              79,921
<INCOME-PRETAX>                              (485,473)
<INCOME-TAX>                                  (38,882)
<INCOME-CONTINUING>                          (446,591)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                (1,142)
<CHANGES>                                            0
<NET-INCOME>                                 (447,733)
<EPS-PRIMARY>                                   (7.78)
<EPS-DILUTED>                                   (7.78)