Patent Assignment
Reel/Frame 012087/0774
Assignment of Assignor's Interest
Recorded: 2001-05-14
Pages: 5
Assignors
COMEAU, LAURIER E.
Executed: 2001-05-09
GILLIS, IAN G.
Executed: 2001-05-07
KNULL, CRAIG J.
Executed: 2001-05-02
Assignee
COMPUTALOG LTD.
4500, 150 - 6TH AVENUE S.W., CALGARY, ALBERTA, T2P 3, CANADA
Covered Property
(1)
Apparatus and Method for Directional Drilling with Coiled Tubing
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Aug 3, 2005
From: PRECISION DRILLING TECHNOLOGY SERVICES GROUP, INC.
To: PRECISION ENERGY SERVICES, LTD.
Reel/Frame 016345/0103 →
Assignment of Assignor's Interest
Apr 21, 2006
From: PRECISION ENERGY SERVICES LTD.
To: PRECISION ENERGY SERVICES ULC
Reel/Frame 017507/0031 →
Assignment of Assignor's Interest
Apr 26, 2006
From: PRECISION ENERGY SERVICES ULC
To: WEATHERFORD CANADA PARTNERSHIP
Reel/Frame 017527/0191 →