Patent Assignment
Reel/Frame 013796/0686
Assignment of Assignor's Interest
Recorded: 2003-02-24
Pages: 4
Assignors
VEENSTRA, PETER
Executed: 2003-02-03
VINEGAR, HAROLD J.
Executed: 2003-02-03
KARANIKAS, JOHN MICHAEL
Executed: 2003-02-03
DE ROUFFIGNAC, ERIC PIERRE
Executed: 2003-02-03
WELLINGTON, SCOTT LEE
Executed: 2003-02-03
Assignee
SHELL OIL COMPANY
P.O. BOX 2463, HOUSTON, TEXAS, 77252-8463
Covered Property
(1)
Methods and Systems for Heating a Hydrocarbon Containing Formation in Situ with an Opening Contacting the Earth's Surface at Two Locations