IP Library Assignment 031687/0478
Patent Assignment
Reel/Frame 031687/0478

Assignment of Assignor's Interest

Recorded: 2013-11-27 Pages: 5
Assignors
PYECROFT, JAMES FREDERICK
Executed: 2013-11-12
BEARINGER, BRIAN DOUGLAS
Executed: 2013-11-12
VON LUNEN, ERIC
Executed: 2013-11-12
Assignee
NEXEN ENERGY ULC
2900, 801 - 7TH AVENUE S.W., CALGARY, ALBERTA, T2P 3P7, CANADA
Covered Property (1)
Method for Increasing Product Recovery in Fractures Proximate Fracture Treated Wellbores
Application: 14/092,246 →
Publication: US 2014/0144623
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Feb 19, 2019
From: NEXEN ENERGY ULC
To: CNOOC PETROLEUM NORTH AMERICA ULC
Reel/Frame 048366/0576 →