IP Library › Assignment 031611/0627
Patent Assignment
Reel/Frame 031611/0627

Change of Name

Recorded: 2013-11-15 Pages: 3
Assignor
NEXEN ENERGY INC.
Executed: 2013-06-18
Assignee
NEXEN ENERGY ULC
2900, 801-7TH AVENUE S.W., CALGARY, ALBERTA, T2P 3P7, CANADA
Covered Properties (12)
High Pressure Hydrocarbon Fracturing On Demand Method And Related Process
Patent: 8,763,704 →
Application: 13/328,245 →
Publication: US 2012/0160502
High Pressure Multistage Centrifugal Pump for Fracturing Hydrocarbon Reserves
Patent: 8,944,168 →
Application: 13/353,353 →
Publication: US 2012/0205112
Systems and Methods for Catalytic Steam Cracking of Non-Asphaltene Containing Heavy Hydrocarbons
Patent: 9,562,199 →
Application: 13/535,983 →
Publication: US 2013/0015100
Sagdox Geometry
Patent: 9,828,841 →
Application: 13/543,012 →
Publication: US 2013/0175031
Steam Assisted Gravity Drainage Processes with the Addition of Oxygen
Patent: 9,163,491 →
Application: 13/628,164 →
Publication: US 2013/0098603
Satellite Steam-Assisted Gravity Drainage with Oxygen (Sagdox) System for Remote Recovery of Hydrocarbons
Application: 13/888,874 →
Publication: US 2013/0284435
Steam Anti-Coning/Cresting Technology ( Sact) Remediation Process
Patent: 9,328,592 →
Application: 13/889,775 →
Publication: US 2013/0284461
Sagdox Geometry for Impaired Bitumen Reservoirs
Patent: 9,803,456 →
Application: 13/893,902 →
Publication: US 2013/0248177
Thermal Pulsing Procedure for Remediation of Cold Spots in Steam Assisted Gravity Drainage
Application: 13/912,463 →
Publication: US 2013/0327525
Sagdox Operation in Leaky Bitumen Reservoirs
Application: 13/928,839 →
Publication: US 2014/0000887
Sagd Control in Leaky Reservoirs
Application: 13/928,895 →
Publication: US 2014/0000876
Uplifted Single Well Steam Assisted Gravity Drainage System and Process
Application: 13/928,934 →
Publication: US 2014/0000888
Related Assignments (14)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 2, 2012
From: PETTIGREW, DANA
To: NEXEN INC.
Reel/Frame 027795/0130 →
Assignment of Assignor's Interest Mar 19, 2012
From: LIMANOWKA, WOJCIECH A.; VUKADIN, ZORAN; PETTIGREW, DANA
To: NEXEN INC.
Reel/Frame 027885/0722 →
Assignment of Assignor's Interest Sep 19, 2012
From: KERR, RICHARD KELSO
To: NEXEN INC.
Reel/Frame 028985/0483 →
Assignment of Assignor's Interest May 7, 2013
From: KERR, RICHARD KELSO
To: NEXEN INC.
Reel/Frame 030366/0579 →
Assignment of Assignor's Interest May 8, 2013
From: KERR, RICHARD KELSO; YANG, PETER
To: NEXEN INC.
Reel/Frame 030376/0221 →
Assignment of Assignor's Interest May 14, 2013
From: KERR, RICHARD KELSO
To: NEXEN INC.
Reel/Frame 030413/0281 →
Assignment of Assignor's Interest May 29, 2013
From: KERR, RICHARD KELSO
To: NEXEN INC.
Reel/Frame 030499/0520 →
Assignment of Assignor's Interest Jun 7, 2013
From: YANG, PETER; KERR, RICHARD KELSO
To: NEXEN INC.
Reel/Frame 030567/0001 →
Assignment of Assignor's Interest Jun 27, 2013
From: KERR, RICHARD KELSO
To: NEXEN INC.
Reel/Frame 030699/0424 →
Assignment of Assignor's Interest Jun 27, 2013
From: KERR, RICHARD KELSO
To: NEXEN INC.
Reel/Frame 030699/0995 →
Assignment of Assignor's Interest Jun 27, 2013
From: KERR, RICHARD KELSO; YANG, PETER
To: NEXEN INC.
Reel/Frame 030699/0751 →
Assignment of Assignor's Interest Jul 11, 2013
From: ALMAO, PEDRO PEREIRA; TRUJILLO, GUSTAVO LUIS; PELUSO, ENZO; GALARRAGA, CARMEN
To: NEXEN INC.
Reel/Frame 030775/0784 →
Certificate of Continuation Nov 15, 2013
From: NEXEN INC.
To: NEXEN ENERGY INC.
Reel/Frame 031644/0988 →
Change of Name Feb 19, 2019
From: NEXEN ENERGY ULC
To: CNOOC PETROLEUM NORTH AMERICA ULC
Reel/Frame 048366/0576 →