Patent Assignment
Reel/Frame 031419/0936
Change of Name
Recorded: 2013-10-16
Pages: 2
Assignor
CNOOC CANADA HOLDING ULC
Executed: 2013-06-20
Assignee
NEXEN ENERGY ULC
2600, 595 BURRARD ST., PO BOX 49314, THREE BENTALL CENTRE, VANCOUVER, V7X 1L3, CANADA
Covered Properties
(2)
Methods of Improving Heavy Oil Production
Methods of Improving Heavy Oil Production
Related Assignments
(6)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 10, 2006
From: CHUNG, BERNARD COMPTON; BOSE, MINTU; MORTON, STEWART ALLEN; ELKOW, KENNETH JAMES
To: NEXEN INC.
Reel/Frame 017772/0446 →
Assignment of Assignor's Interest
Apr 13, 2007
From: CHUNG, BERNARD COMPTON, MR.; BOSE, MINTU, MR.; MORTON, STEWART ALLAN, MR.; ELKOW, KENNETH JAMES, MR.
To: NEXEN INC.
Reel/Frame 019159/0675 →
Change of Name
Oct 16, 2013
From: NEXEN ENERGY INC.
To: NEXEN ENERGY ULC
Reel/Frame 031419/0899 →
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 →