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Patent Assignment Abstract of Title

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Total Assignments: 2

Patent #:	6561227	Issue Dt:	05/13/2003	Application #:	09852026	Filing Dt:	05/09/2001
Publication #:	20010047866	Pub Dt:	12/06/2001
Inventors:	Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Lev Ring, Richard Carl Haut et al
Title:	WELLBORE CASING

Assignment: 1

Reel/Frame:

014696/0226

Recorded: 06/04/2004

Pages: 8

Conveyance:

ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors:

COOK, ROBERT LANCE

Exec Dt:

02/24/2004

STEWART, R. BRUCE

Exec Dt:

02/26/2004

HAUT, RICHARD CARL

Exec Dt:

02/14/2004

BRISCO, DAVID PAUL

Exec Dt:

01/14/2004

RING, LEV

Exec Dt:

02/20/2004

MACK, ROBERT DONALD

Exec Dt:

03/18/2004

Assignee:

SHELL OIL COMPANY

910 LOUISIANA STREET

HOUSTON, TEXAS 77252

Correspondent:

HAYES AND BOONE, LLP

TODD MATTINGLY

901 MAIN STREET, SUITE 3100

DALLAS, TX 75202

Assignment: 2

Reel/Frame:

024767/0646

Recorded: 07/30/2010

Pages: 14

Conveyance:

ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor:

SHELL OIL COMPANY

Exec Dt:

06/02/2010

Assignee:

ENVENTURE GLOBAL TECHNOLOGY, LLC

15995 N. BARKERS LANDING, SUITE 350

HOUSTON, TEXAS 77079

Correspondent:

ENVENTURE GLOBAL TECHNOLOGY

15995 N. BARKERS LANDING, SUITE 350

HOUSTON, TX 77079

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