Patent Assignment
Reel/Frame 013934/0172
Assignment of Assignor's Interest
Recorded: 2003-04-02
Pages: 5
Assignors
VINEGAR, HAROLD
Executed: 2003-02-25
HARTMANN, ROBIN ADRIANUS
Executed: 2003-02-25
HARRIS, CHRISTOPHER KELVIN
Executed: 2003-02-25
PRATT, CHRISTOPHER ARNOLD
Executed: 2003-02-25
LEPPER, GORDON BRUCE
Executed: 2003-02-25
WAGNER, RANDOLPH ROGERS
Executed: 2003-02-25
Assignee
SHELL OIL COMPANY
P.O. BOX 2463, HOUSTON, TEXAS, 77252-8463
Covered Property
(1)
Forming Openings in a Hydrocarbon Containing Formation Using Magnetic Tracking