Patent Assignment
Reel/Frame 017772/0446
Assignment of Assignor's Interest
Recorded: 2006-04-10
Pages: 8
Assignors
CHUNG, BERNARD COMPTON
Executed: 2006-02-16
BOSE, MINTU
Executed: 2006-02-09
MORTON, STEWART ALLEN
Executed: 2006-02-24
ELKOW, KENNETH JAMES
Executed: 2006-02-16
ERLENDSON, ED
Executed: 2006-02-08
Assignee
NEXEN INC.
801 - 7TH AVENUE, S.W., CALGARY, ALBERTA, T2P 3P7, CANADA
Covered Property
(1)
Methods of Improving Heavy Oil Production
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Oct 16, 2013
From: NEXEN ENERGY INC.
To: NEXEN ENERGY ULC
Reel/Frame 031419/0899 →
Change of Name
Oct 16, 2013
From: CNOOC CANADA HOLDING ULC
To: NEXEN ENERGY ULC
Reel/Frame 031419/0936 →
Certificate of Continuation
Oct 16, 2013
From: NEXEN INC.
To: NEXEN ENERGY INC.
Reel/Frame 031421/0356 →
Certificate of Amalgamation
Oct 16, 2013
From: CNOOC CANADA HOLDING ULC; NEXEN ENERGY ULC
To: CNOOC CANADA HOLDING ULC
Reel/Frame 031421/0358 →
Change of Name
Feb 19, 2019
From: NEXEN ENERGY ULC
To: CNOOC PETROLEUM NORTH AMERICA ULC
Reel/Frame 048366/0576 →