UNITED STATES SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 4
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP
( ) Check this box if no longer subject to Section 16.
Form 4 or Form 5 obligations may continue. See Instructions 1(b).
1. Name and Address of Reporting Person
   Schuchardt III, Joseph 
   c/o 3DX Technologies Inc.
   12012 Wickchester, Suite 250
   Houston, TX  77079-1218
2. Issuer Name and Ticker or Trading Symbol
   3DX Technologies Inc.
   TDXT
3. IRS or Social Security Number of Reporting Person (Voluntary)
   
4. Statement for Month/Year
   December 22, 1997
5. If Amendment, Date of Original (Month/Year)
   
6. Relationship of Reporting Person(s) to Issuer (Check all applicable)
   ( ) Director ( ) 10% Owner (X) Officer (give title below) ( ) Other
   (specify below)
   Vice President of Business Development
7. Individual or Joint/Group Filing (Check Applicable Line)
   (X) Form filed by One Reporting Person
   ( ) Form filed by More than One Reporting Person


___________________________________________________________________________________________________________________________________
 Table I -- Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned                                                 |
___________________________________________________________________________________________________________________________________|
1. Title of Security       |2.    |3.    |4.Securities Acquired (A)         |5.Amount of        |6.Dir |7.Nature of Indirect       |
                           | Transaction |  or Disposed of (D)              |  Securities       |ect   |  Beneficial Ownership     |
                           |      |      |                                  |  Beneficially     |(D)or |                           |
                           |      |    | |                  | A/|           |  Owned at         |Indir |                           |
                           | Date |Code|V|    Amount        | D |    Price  |  End of Month     |ect(I)|                           |
___________________________________________________________________________________________________________________________________|
                                                                            
Common Stock, par value $.0|12/22/|P   | |10,000            |A  |$2.50      |41,697             |D     |                           |
1 per share                |97    |    | |                  |   |           |                   |      |                           |
- -----------------------------------------------------------------------------------------------------------------------------------|
___________________________________________________________________________________________________________________________________|

___________________________________________________________________________________________________________________________________
 Table II -- Derivative Securitites Acquired, Disposed of, or Beneficially Owned                                                   |
___________________________________________________________________________________________________________________________________|
1.Title of Derivative |2.Con-  |3.   |4.    |5.Number of De |6.Date Exer|7.Title and Amount  |8.Price|9.Number    |10.|11.Nature of|
  Security            |version |Transaction | rivative Secu |cisable and|  of Underlying     |of Deri|of Deriva   |Dir|Indirect    |
                      |or Exer |     |      | rities Acqui  |Expiration |  Securities        |vative |tive        |ect|Beneficial  |
                      |cise    |     |      | red(A) or Dis |Date(Month/|                    |Secu   |Securities  |(D)|Ownership   |
                      |Price of|     |      | posed of(D)   |Day/Year)  |                    |rity   |Benefi      |or |            |
                      |Deriva- |     |      |               |Date |Expir|                    |       |ficially    |Ind|            |
                      |tive    |     |      |           | A/|Exer-|ation|   Title and Number |       |Owned at    |ire|            |
                      |Secu-   |     |    | |           | D |cisa-|Date |   of Shares        |       |End of      |ct |            |
                      |rity    |Date |Code|V|  Amount   |   |ble  |     |                    |       |Month       |(I)|            |
___________________________________________________________________________________________________________________________________|
                                                                            
Employee Stock Option |        |     |    | |           |   |*    |01/04|Common Stock|166,381|$0.19  |166,381     |D  |            |
(Right to Buy)        |        |     |    | |           |   |     |/04  |            |       |       |            |   |            |
- -----------------------------------------------------------------------------------------------------------------------------------|
Employee Stock Option |        |     |    | |           |   |**   |02/07|Common Stock|10,000 |$11.875|10,000      |D  |            |
(Right to Buy)        |        |     |    | |           |   |     |/07  |            |       |       |            |   |            |
- -----------------------------------------------------------------------------------------------------------------------------------|
                      |        |     |    | |           |   |     |     |            |       |       |            |   |            |
___________________________________________________________________________________________________________________________________|

Explanation of Responses:
*  On January 4, 1994, the reporting person was granted an option to purchase 
166,381 shares of Common 
Stock (as adjusted for the .517-to-1 reverse split occurring in connection with 
the Issuer's initial public offering of 
Common Stock), pursuant to the Issuer's 1994 Stock Option Plan, as amended.  As 
of December 31, 1997, the 
reporting person had a vested interest in 162,914 shares subject to the option. 
 The remaining shares subject to 
the option will vest on January 31, 
1998.
**  On February 7, 1997, the reporting person was granted an option to purchase 
10,000 shares of Common 
Stock pursuant to the Issuer's 1994 Stock Option Plan, as amended.  The shares 
subject to the option vest at a 
rate of 25% of the aggregate number of shares subject to the option on each of 
the first and second anniversary 
of the date of the option grant and thereafter the shares subject to the option 
will vest monthly at the rate of 
2.084% at the end of the next succeeding 24 
months.
SIGNATURE OF REPORTING PERSON
/s/ Joseph Schuchardt III
DATE
January 12, 1998