Patent Assignment
Reel/Frame 020927/0900
Assignment of Assignor's Interest
Recorded: 2008-05-09
Pages: 7
Assignee
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE, SUGAR LAND, TEXAS, 77478
Covered Property
(1)
Magnetic Ranging While Drilling Using an Electric Dipole Source and a Magnetic Field Sensor