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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
04/08/1997
Application #:
08535978
Filing Dt:
09/29/1995
Inventors:
JOSEPH H. SCHMIDT, KEITH R. FERGUSON, ANDREW J. BOND, ROGER F. KEESE
Title:
OVER-PRESSURED WELL FRACTURING WITH SURFACE RESERVOIR AND ACTUATOR SYSTEM
Assignment: 1
Reel/Frame:
007719/0625Recorded: 11/03/1995Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
09/21/1955
Exec Dt:
09/21/1995
Exec Dt:
09/21/1955
Assignee:
515 FLOWER STREET
LOS ANGELES, CALIFORNIA 90071
Correspondent:
AKIN, GUMP, STRAUUS, HAUER & FELD, L.L.P
MICHAEL E. MARTIN
1700 PACIFIC AVENUE, SUITE 4100
DALLAS, TX 75201
Assignment: 2
Reel/Frame:
008252/0445Recorded: 12/02/1996Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
11/08/1995
Assignee:
A DIVISION OF SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Correspondent:
DOWELL, A DIVISION OF SCHLUMBERGER
TECHNOLOGY CORPORATION
ALBERT C. METRAILER
110 SCHLUMBERGER DRIVE
SUGAR LAND, TX 77478
Assignment: 3
Reel/Frame:
012641/0774Recorded: 02/20/2002Pages: 6
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
09/20/2001
Exec Dt:
10/09/2001
Assignees:
BARTLESVILLE, IN THE STATE OF OKLAHOMA
BARTLESVILLE, OKLAHOMA 74004
SUGAR LAND, IN THE STATE OF TEXAS
SUGAR LAND, TEXAS 77478
Correspondent:
RICHMOND, HITCHCOCK, FISH & DOLLAR
RYAN N. CROSS
P.O. BOX 2443
BARTLESVILLE, OKLAHOMA 74005
Assignment: 4
Reel/Frame:
022793/0106Recorded: 06/08/2009Pages: 7
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/12/2002
Assignee:
600 NORTH DAIRY ASHFORD
MA 1135
HOUSTON, TEXAS 77079-1175
Correspondent:
CONOCOPHILLIPS COMPANY - IP SERVICES GRO
600 NORTH DAIRY ASHFORD
MA 1135
HOUSTON, TX 77079-1175

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