Patent Assignment
Reel/Frame 013847/0797
Assignment of Assignor's Interest
Recorded: 2003-03-10
Pages: 4
Assignors
VINEGAR, HAROLD J.
Executed: 2003-02-07
WELLINGTON, SCOTT LEE
Executed: 2003-02-07
MAHER, KEVIN ALBERT
Executed: 2003-02-07
SCHOELING, LANNY GENE
Executed: 2003-02-07
DE ROUFFIGNAC, ERIC PIERRE
Executed: 2003-02-07
Assignee
SHELL OIL COMPANY
P.O. BOX 2463, HOUSTON, TEXAS, 77252-8463
Covered Property
(1)
Producing Hydrocarbons and Non-Hydrocarbon Containing Materials When Treating a Hydrocarbon Containing Formation