Patent Assignment
Reel/Frame 012540/0971
Assignment of Assignor's Interest
Recorded: 2002-01-17
Pages: 15
Assignors
QU, QI
Executed: 1999-02-16
NELSON, ERIK B.
Executed: 1999-02-16
WILLBERG, DEAN M.
Executed: 1999-02-16
SAMUEL, MATHEW M.
Executed: 1999-02-16
LEE, JR., JESSE C.
Executed: 1999-02-16
CHANG, FRANK F.
Executed: 1999-02-16
CARD, ROGER J.
Executed: 1999-02-16
VINOD, PALATHINKARA S.
Executed: 1999-02-16
BROWN, J. ERNEST
Executed: 1999-02-16
THOMAS, RONNIE L.
Executed: 1999-02-22
Assignee
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE, SUGAR LAND, TEXAS, 77478
Covered Property
(1)
Compositions Containing Aqueous Viscosifying Surfactants and Methods for Applying Such Compositions in Subterranean Formations
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.