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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
07/31/2012
Application #:
12399568
Filing Dt:
03/06/2009
Publication #:
Pub Dt:
09/09/2010
Inventor:
Tommy M. Warren
Title:
METHOD OF SELECTING A DRILLING MOTOR FOR A CASING DRILL STRING
Assignment: 1
Reel/Frame:
022360/0483Recorded: 03/06/2009Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
02/26/2009
Assignee:
6204 - 6A STREET SE
CALGARY, AB, CANADA T2H 2B7
Correspondent:
BRACEWELL & GIULIANI LLP
711 LOUISIANA STREET
SUITE 2300
HOUSTON, TX 77002-2770
Assignment: 2
Reel/Frame:
029659/0540Recorded: 01/18/2013Pages: 9
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
06/04/2012
Assignee:
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Correspondent:
JEFFREY S. BERGMAN
909 FANNIN
SUITE 3500
HOUSTON, TX 77010

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