IP Library Assignment 031617/0159
Patent Assignment
Reel/Frame 031617/0159

Assignment of Assignor's Interest

Recorded: 2013-11-16 Pages: 2
Assignor
KERR, RICHARD KELSO
Executed: 2013-11-13
Assignee
NEXEN ENERGY ULC
2900, 801-7TH AVENUE S.W., CALGARY, ALBERTA, T2P 3P7, CANADA
Covered Property (1)
In Situ Steam Reflux ("Isr") for Active Water ("Aw") Zones in Enhanced Oil Recovery ("Eor")
Application: 61/900,677 →
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 →