3DX TECHNOLOGIES INC

Q: Jun 30 1999

Q: Mar 31 1999

FY: Dec 31 1998

FY: Dec 31 1998

Q: Sep 30 1998

FY: Dec 31 1997

Q: Jun 30 1998

Q: Mar 31 1998

Q: Mar 31 1998

FY: Dec 31 1997

Q: Nov 14 1997

Q: Aug 14 1997

Q: May 15 1997

FY: Dec 31 1996

FY: Dec 31 1996

ITEM INFORMATION:

5,7

5,7

ITEM INFORMATION:

5,7

5,7

Certification of termination of registration of a class of securities (Section 12(g))

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Prospectus Supplement with Pricing Information

Amended Initial Registration Statement

Amended Initial Registration Statement

No description available

Amended Initial Registration Statement

Registration (IPO) statement under Securities Act of 1933

No description available

No description available

Definitive Proxy Statement

Definitive Proxy Statement

Preliminary Proxy Statement

TCW GROUP INC

NATIONSBANK CORP/FA

STATE STREET RESEARCH & MANAGEMENT CO //MA/

CWS LIMITED LIABILITY CO

CWS LIMITED LIABILITY CO

CENTENNIAL ENERGY PARTNERS L P

BANKAMERICA CORP

CENTENNIAL ENERGY PARTNERS L P

MORRICE SUSAN

CWS LIMITED LIABILITY CO

CHANEY R & PARTNERS 1993 LP

MORRICE SUSAN

CWS LIMITED LIABILITY CO

CENTENNIAL ENERGY PARTNERS L P

ALLEN RUSSELL

MORRICE SUSAN

CWS LIMITED LIABILITY CO

NOWAK RONALD

NATIONSBANK CORP/FA

ENNIS C EUGENE