UNITED STATES SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 3
INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES
1. Name and Address of Reporting Person
Nester, Douglas C.
c/o 3DX Technologies Inc.
12012 Wickchester, Suite 250
Houston, TX 77079-1218
2. Date of Event Requiring Statement (Month/Day/Year)
December 19, 1996
3. IRS or Social Security Number of Reporting Person (Voluntary)
4. Issuer Name and Ticker or Trading Symbol
3DX Technologies Inc.
TDXT
5. Relationship of Reporting Person(s) to Issuer (Check all applicable)
( ) Director ( ) 10% Owner (X) Officer (give title below) ( ) Other
(specify below)
Vice President of Exploration and Secretary
6. If Amendment, Date of Original (Month/Day/Year)
7. Individual or Joint/Group Filing (Check Applicable Line)
( ) Form filed by One Reporting Person
( ) Form filed by More than One Reporting Person
<TABLE>
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Table I -- Non-Derivative Securities Beneficially Owned |
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1. Title of Security |2. Amount of |3. Ownership |4. Nature of Indirect |
| Securities | Form: | Beneficial Ownership |
| Beneficially | Direct(D) or | |
| Owned | Indirect(I) | |
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<S> <C> <C> <C>
Common Stock, par value $.01 per share |349,988 |D | |
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Redeemable Preferred Stock, Series B, par v|308 |D | |
alue $.01 per share | | | |
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Table II -- Derivative Securitites Beneficially Owned |
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1.Title of Derivative |2.Date Exer- |3.Title and Amount | |4. Conver-|5. Owner- |6. Nature of Indirect |
Security | cisable and | of Underlying | |sion or |ship | Beneficial Ownership |
| Expiration | Securities | |exercise |Form of | |
| Date(Month/ |-----------------------|---------|price of |Deriv- | |
| Day/Year) | |Amount |deri- |ative | |
| Date | Expira- | |or |vative |Security: | |
| Exer- | tion | Title |Number of|Security |Direct(D) or | |
| cisable | Date | |Shares | |Indirect(I) | |
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<S> <C> <C> <C> <C> <C> <C> <C>
Warrant to purchase Seni|Immediate|12/24/96 |Senior Redeemable Conve|413 |$5.80 | | |
or Redeemable Convertibl| | |rtible Preferred | | | | |
e Preferred Stock, | | | | | | | |
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Series C, par value $.01| | |Stock, Series C, par va| | | | |
per share | | |lue $.01 per share | | | | |
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| | |("Series C Preferred") | | | | |
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Series C Preferred |Immediate|12/24/96 |Common Stock |4,542* |** | | |
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Stock Option (Right to B|*** |01/04/04 |Common Stock |20,144 |$0.19 | | |
uy) | | | | | | | |
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</TABLE>
Explanation of Responses:
* Includes shares of Series C Preferred issuable upon exercise of Warrant to
purchase Series C Preferred.
** Upon consummation of the Issuer's initial public offering of Common Stock,
each issued and outstanding share of
Series C Preferred will automatically convert into one share of Common
Stock.
*** On Jauary 4, 1994, the reporting person was granted an option to purchase
20,144 shares of Common Stock
(as adjusted for the .517-to-1 reverse stock split occuring in connection with
the Issuer's initial public offering of
Common Stock), pursuant o the Issuer's 1994 Stock Option Plan, as amended. As
of November 30, 1996, 77.092%
of the aggregate number of shares subject to the option had vested. The
remaining shares will vest at the rate of
2.084% at the end of each of the next succeeding 11
months.
SIGNATURE OF REPORTING PERSON
/s/ Douglas C. Nestor
DATE
December 19, 1996
