<ARTICLE>                                          5
<LEGEND>
THIS  SCHEDULE  CONTAINS  SUMMARY  FINANCIAL   INFORMATION  EXTRACTED  FROM  THE
UNAUDITED  FINANCIAL  STATEMENTS OF 3DX  TECHNOLOGIES  INC. FOR THE PERIOD ENDED
JUNE 30, 1998.  THIS  SCHEDULE IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                              DEC-31-1998
<PERIOD-START>                                 JAN-01-1998
<PERIOD-END>                                   JUN-30-1998
<CASH>                                         1,564,655
<SECURITIES>                                   0
<RECEIVABLES>                                  936,324
<ALLOWANCES>                                   0
<INVENTORY>                                    0
<CURRENT-ASSETS>                               2,590,853
<PP&E>                                         40,615,266
<DEPRECIATION>                                 24,470,413
<TOTAL-ASSETS>                                 18,804,251
<CURRENT-LIABILITIES>                          5,420,277
<BONDS>                                        0
<PREFERRED-MANDATORY>                          0
<PREFERRED>                                    0
<COMMON>                                       89,139
<OTHER-SE>                                     13,294,835
<TOTAL-LIABILITY-AND-EQUITY>                   18,804,251
<SALES>                                        2,072,415
<TOTAL-REVENUES>                               2,090,372
<CGS>                                          334,796
<TOTAL-COSTS>                                  8,481,126
<OTHER-EXPENSES>                               0
<LOSS-PROVISION>                               0
<INTEREST-EXPENSE>                             0
<INCOME-PRETAX>                               (6,390,754)
<INCOME-TAX>                                   0
<INCOME-CONTINUING>                           (6,390,754)
<DISCONTINUED>                                 0
<EXTRAORDINARY>                                0
<CHANGES>                                      0
<NET-INCOME>                                  (6,390,754)
<EPS-PRIMARY>                                  (0.85)
<EPS-DILUTED>                                  (0.85)