Patent Assignment
Reel/Frame 019639/0744
Assignment of Assignor's Interest
Recorded: 2007-08-02
Pages: 5
Assignor
CLARK, BRIAN
Executed: 2007-07-31
Assignee
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE, SUGAR LAND, TEXAS, 77478
Covered Property
(1)
Magnetic Ranging While Drilling Parallel Wells