Patent Assignment
Reel/Frame 048366/0576
Change of Name
Recorded: 2019-02-19
Pages: 4
Assignor
NEXEN ENERGY ULC
Executed: 2018-12-31
Assignee
CNOOC PETROLEUM NORTH AMERICA ULC
SUITE 2300, 500 CENTRE STREET S.E., CALGARY, T2G 1A6, CANADA
Covered Properties
(53)
Methods of Improving Heavy Oil Production
Methods of Improving Heavy Oil Production
High Pressure Hydrocarbon Fracturing On Demand Method And Related Process
High Pressure Multistage Centrifugal Pump for Fracturing Hydrocarbon Reserves
Systems and Methods for Catalytic Steam Cracking of Non-Asphaltene Containing Heavy Hydrocarbons
Sagdox Geometry
Steam Assisted Gravity Drainage Processes with the Addition of Oxygen
Steam Flooding with Oxygen Injection, and Cyclic Steam Stimulation with Oxygen Injection
Application:
13/628,178 →
Publication:
US 2013/0098607
Hydraulic Fracturing Process for Deviated Wellbores
Application:
13/683,610 →
Publication:
US 2014/0096950
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
Sagdox Geometry for Impaired Bitumen Reservoirs
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
Use of Steam Assisted Gravity Drainage with Oxygen ("Sagdox") in the Recovery of Bitumen in Thin Pay Zones
Application:
14/058,488 →
Publication:
US 2014/0096960
Use of Steam-Assisted Gravity Drainage with Oxygen ("Sagdox") in the Recovery of Bitumen in Lean Zones ("Lz-Sagdox")
Application:
14/078,983 →
Publication:
US 2014/0166278
Method and System of Optimized Steam-Assisted Gravity Drainage with Oxygen ("Sagdoxo") for Oil Recovery
Application:
14/083,106 →
Publication:
US 2014/0076555
Method for Increasing Product Recovery in Fractures Proximate Fracture Treated Wellbores
Application:
14/092,246 →
Publication:
US 2014/0144623
Extended Reach Steam Assisted Gravity Drainage with Oxygen ("Ersagdox")
Application:
14/099,472 →
Publication:
US 2014/0166279
Steam Assisted Gravity Drainage with Added Oxygen ("Sagdox") in Deep Reservoirs
Application:
14/104,711 →
Publication:
US 2014/0096962
Integrated Central Processing Facility (Cpf) in Oil Field Upgrading (Ofu)
Uplifted Single Well Steam Assisted Gravity Drainage System and Process
Application:
14/410,972 →
Publication:
US 2015/0285050
High Pressure Multistage Centrifugal Pump for Fracturing Hydrocarbon Reserves
Application:
14/551,964 →
Publication:
US 2015/0083427
Steam Assisted Gravity Drainage Processes with the Addition of Oxygen
Methods, Systems and Devices for Predicting Reservoir Properties
Processes for Hydraulic Fracturing
Application:
14/677,298 →
Publication:
US 2016/0290112
Processes for Producing Hydrocarbons from a Reservoir
Method for Increasing Gas Recovery in Fractures Proximate Fracture Treated Wellbores
Use of Steam Assisted Gravity Drainage with Oxygen ("Sagdox") in the Recovery of Bitumen in Thin Pay Zones
Application:
15/147,853 →
Publication:
US 2017/0002638
Steam Assisted Gravity Drainage with Added Oxygen ("Sagdox") in Deep Reservoirs
Application:
15/157,948 →
Publication:
US 2016/0265327
Later Stage Hydrocarbon Production Processes
Upgrading of Hydrocarbon Material
Application:
15/323,658 →
Publication:
US 2017/0152451
Processes for Producing Hydrocarbons from a Reservoir
Pressure Swing Processes for Producing Heavy Hydrocarbons from Reservoir
Application:
15/557,184 →
Publication:
US 2018/0045028
Methods for Hydraulic Fracturing
Emulsion Composition Sensor
Method for Recovering Hydrocarbons from Low Permeability Formations
Low Pressure Fluid Injection for Recovering Hydrocarbon Material from Low Permeability Formations
Processes for Producing Hydrocarbons from a Reservoir
Application:
16/088,580 →
Publication:
US 2019/0112907
Methods, Systems and Devices for Modelling Reservoir Properties
Application:
16/088,949 →
Publication:
US 2019/0120022
Processes for Effecting Hydrocarbon Production from Reservoirs Having a Low Permeability Zone by Cooling and Heating
Application:
16/108,289 →
Publication:
US 2018/0355706
Satellite SAGDOX System For Remote Recovery Of Hydrocarbons
Application:
61/643,538 →
SACT Remediation Process
Application:
61/644,100 →
SAGDOX Geometry for Impaired Bitumen Reservoirs
Application:
61/647,153 →
Olefin Reduction in a Hydrocarbon Without the Use of Extraneous Hydrogen
Application:
61/843,002 →
Balanced in Situ Combustion ("Bisc") Processes and Systems for Enhanced Oil Recovery ("Eor")
Application:
61/900,663 →
In Situ Steam Reflux ("Isr") for Active Water ("Aw") Zones in Enhanced Oil Recovery ("Eor")
Application:
61/900,677 →
In Situ Reflux ("Isr") Process for the Recovery of Liquid Hydrocarbons
Application:
61/900,688 →
Secondary Enhanced Oil Recovery ("Eor") Processes for Oil Recovery in Wedge Zones ("Wz")
Application:
61/901,704 →
Later Stage Hydrocarbon Production Processes
Application:
62/191,046 →
Low Pressure Fluid Injection for Recovering Hydrocarbon Material from Low Permeability Formations
Application:
62/505,575 →
Related Assignments
(25)
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 →
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 030499/0538 →
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 10, 2013
From: PYECROFT, JAMES FREDERICK; CHERNIK, PETER
To: NEXEN INC.
Reel/Frame 030574/0360 →
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; YANG, PETER
To: NEXEN INC.
Reel/Frame 030699/0751 →
Assignment of Assignor's Interest
Jun 27, 2013
From: KERR, RICHARD KELSO
To: NEXEN INC.
Reel/Frame 030699/0995 →
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 →
Change of Name
Oct 16, 2013
From: CNOOC CANADA HOLDING ULC
To: NEXEN ENERGY ULC
Reel/Frame 031419/0936 →
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
Oct 21, 2013
From: NEXEN ENERGY INC.
To: NEXEN ENERGY ULC
Reel/Frame 031443/0317 →
Assignment of Assignor's Interest
Oct 21, 2013
From: KERR, RICHARD KELSO
To: NEXEN INC.
Reel/Frame 031443/0224 →
Certificate of Continuation
Oct 21, 2013
From: NEXEN INC.
To: NEXEN ENERGY INC.
Reel/Frame 031447/0819 →
Certificate of Continuation
Nov 13, 2013
From: NEXEN INC.
To: NEXEN ENERGY INC.
Reel/Frame 031628/0452 →
Change of Name
Nov 13, 2013
From: NEXEN ENERGY INC.
To: NEXEN ENERGY ULC
Reel/Frame 031594/0146 →