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Patent Assignment Abstract of Title
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Total Assignments: 6
Patent #:
7717175
Issue Dt:
05/18/2010
Application #:
11735261
Filing Dt:
04/13/2007
Publication #:
20070181299
Pub Dt:
08/09/2007
Inventors:
Bernard Compton Chung, Mintu Bose, Stewart Allan Morton, Kenneth James Elkow et al
Title:
METHODS OF IMPROVING HEAVY OIL PRODUCTION
Assignment: 1
Reel/Frame:
019159/0675Recorded: 04/13/2007Pages: 10
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
CHUNG, BERNARD COMPTON, MR.
Exec Dt:
04/11/2007
BOSE, MINTU, MR.
Exec Dt:
04/11/2007
MORTON, STEWART ALLAN, MR.
Exec Dt:
04/11/2007
ELKOW, KENNETH JAMES, MR.
Exec Dt:
04/11/2007
ERLENDSON, ED, MR.
Exec Dt:
04/11/2007
LAI, FRANCES, MR.
Exec Dt:
04/11/2007
MEEKS, DAVID PETER, MR.
Exec Dt:
04/11/2007
LEUNG, LOUIS CHIU-HUNG, MR.
Exec Dt:
04/11/2007
OBERG, KENNETH MYRON, MR.
Exec Dt:
04/12/2007
IRELAND, JAMES NELSON, MR.
Exec Dt:
04/12/2007
Assignee:
NEXEN INC.
801-7TH AVENUE S.W.
CALGARY, CANADA T2P 3P7
Correspondent:
SANTOSH K. CHARI
BLAKE, CASSELS & GRAYDON LLP
199 BAY STREET, SUITE 2800, BOX 25
TORONTO, M5L 1A9 CANADA
Assignment: 2
Reel/Frame:
031419/0899Recorded: 10/16/2013Pages: 2
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
NEXEN ENERGY INC.
Exec Dt:
06/18/2013
Assignee:
NEXEN ENERGY ULC
801-7 AVE. SW
CALGARY, CANADA T2P 3P7
Correspondent:
KATHERINE DUTKA
BLAKE, CASSELS & GRAYDON LLP
199 BAY STREET, SUITE 4000
TORONTO, M5L 1A9 CANADA
Assignment: 3
Reel/Frame:
031421/0356Recorded: 10/16/2013Pages: 2
Conveyance:
CERTIFICATE OF CONTINUATION
Assignor:
NEXEN INC.
Exec Dt:
06/18/2013
Assignee:
NEXEN ENERGY INC.
801 - 7 AVE. SW
CALGARY, CANADA T2P 3P7
Correspondent:
KATHERINE DUTKA
BLAKE, CASSELS & GRAYDON LLP
199 BAY STREET, SUITE 4000
TORONTO, M5L 1A9 CANADA
Assignment: 4
Reel/Frame:
031419/0936Recorded: 10/16/2013Pages: 2
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
CNOOC CANADA HOLDING ULC
Exec Dt:
06/20/2013
Assignee:
NEXEN ENERGY ULC
2600, 595 BURRARD ST., PO BOX 49314
THREE BENTALL CENTRE
VANCOUVER, CANADA V7X 1L3
Correspondent:
KATHERINE DUTKA
BLAKE, CASSELS & GRAYDON LLP
199 BAY STREET, SUITE 4000
TORONTO, M5L 1A9 CANADA
Assignment: 5
Reel/Frame:
031421/0358Recorded: 10/16/2013Pages: 2
Conveyance:
CERTIFICATE OF AMALGAMATION
Assignors:
CNOOC CANADA HOLDING ULC
Exec Dt:
06/20/2013
NEXEN ENERGY ULC
Exec Dt:
06/20/2013
Assignee:
CNOOC CANADA HOLDING ULC
2600, 595 BURRARD ST., PO BOX 49314
THREE BETALL CENTRE
VANCOUVER, CANADA V7X 1L3
Correspondent:
KATHERINE DUTKA
BLAKE, CASSELS & GRAYDON LLP
199 BAY STREET, SUITE 4000
TORONTO, M5L 1A9 CANADA
Assignment: 6
Reel/Frame:
048366/0576Recorded: 02/19/2019Pages: 4
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
NEXEN ENERGY ULC
Exec Dt:
12/31/2018
Assignee:
CNOOC PETROLEUM NORTH AMERICA ULC
SUITE 2300, 500 CENTRE STREET S.E.
CALGARY, CANADA T2G 1A6
Correspondent:
NORTON ROSE FULBRIGHT CANADA LLP
1 PLACE VILLE MARIE
SUITE 2500
MONTREAL, H3B 1R1 CANADA

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