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
Chaney, Robert H.
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/1996
5. If Amendment, Date of Original (Month/Year)
6. Relationship of Reporting Person(s) to Issuer (Check all applicable)
(X) Director ( ) 10% Owner ( ) Officer (give title below) ( ) Other
(specify below)
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>
<CAPTION>
___________________________________________________________________________________________________________________________________
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)| |
___________________________________________________________________________________________________________________________________|
<S> <C> <C> <C><C> <C> <C> <C> <C> <C>
Common Stock, par value $.0|12/26/|P | |45,454 |A |$11.00 | |I |By limited partnership |
1 per share |96 | | | | | | | | |
- -----------------------------------------------------------------------------------------------------------------------------------|
Common Stock, par value $.0|12/26/|C | |36,094 |A |n/a |383,693 |I |By limited partnership |
1 per share |96 | | | | | | | | |
- -----------------------------------------------------------------------------------------------------------------------------------|
Redeemable Preferred Stock,|12/26/|J | |12,332 |D |$100.00* |-0- |I |By limited partnership |
Series B, par value $.01 |96 | | | | | | | | |
per share | | | | | | | | | |
- -----------------------------------------------------------------------------------------------------------------------------------|
___________________________________________________________________________________________________________________________________|
<CAPTION>
___________________________________________________________________________________________________________________________________
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)| |
___________________________________________________________________________________________________________________________________|
<S> <C> <C> <C> <C><C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
Warrant to purchase Se|$5.80 |12/26|X | |- 3,447 |A,D|immed|12/26|Senior Redee| | |-0- |I |By limited p|
nior Redeemable Conver| |/96 | | | | |iate |/96 |mable Conver| | | | |artnership |
tible Preferred Stock,| | | | | | | | |tible Prefer| | | | | |
| | | | | | | | |red Stock, S| | | | | |
| | | | | | | | |eries C, | | | | | |
- -----------------------------------------------------------------------------------------------------------------------------------|
Series C, par value $.| | | | | | | | |par value $.| | | | | |
01 per share | | | | | | | | |01 per share| | | | | |
| | | | | | | | | ("Series C | | | | | |
| | | | | | | | |Preferred") | | | | | |
- -----------------------------------------------------------------------------------------------------------------------------------|
Series C Preferred |1-for-1 |12/26|X | |3,447 - |A,D|immed|12/26|Common Stock|3,447 |n/a | |I |By limited p|
| |/96 | | | | |iate |/96 | | | | | |artnership |
- -----------------------------------------------------------------------------------------------------------------------------------|
Series C Preferred |1-for-1 |12/26|F | |- 1,819 |A,D|immed|12/26|Common Stock|1,819 |n/a | |I |By limited p|
| |/96 | | | | |iate |/96 | | | | | |artnership |
- -----------------------------------------------------------------------------------------------------------------------------------|
Series C Preferred |1-for-1 |12/26|C | |- 36,094 |A,D|immed|12/26|Common Stock|36,094 |n/a |-0- |I |By limited p|
| |/96 | | | | |iate |/96 | | | | | |artnership |
- -----------------------------------------------------------------------------------------------------------------------------------|
| | | | | | | | | | | | | | |
___________________________________________________________________________________________________________________________________|
</TABLE>
Explanation of Responses:
* The reported securities were called for redemption by the Issuer at a price
of $100 per share.
SIGNATURE OF REPORTING PERSON
/s/ Robert H. Chaney
DATE
January 8, 1997
