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Patent Assignment
Reel/Frame 035901/0897

Assignment of Assignor's Interest

Recorded: 2015-06-25 Pages: 3
Assignor
SANDERS, MARK
Executed: 2013-09-19
Assignee
M-I DRILLING FLUIDS UK LTD
WESTHILL INDUSTRIAL ESTATE, WESTHILL, ABERDEEN, SCOTLAND, AB32 6TQ, UNITED KINGDOM
Covered Property (1)
Method for Reducing Permeability of a Subterranean Reservoir
Patent: 9,663,701 →
Application: 13/982,226 →
Publication: US 2014/0041870
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 25, 2015
From: WATSON, RUSSELL
To: SCHLUMBERGER NORGE AS
Reel/Frame 035901/0903 →
Assignment of Assignor's Interest Sep 24, 2023
From: M-I DRILLING FLUIDS UK LIMITED
To: SCHLUMBERGER OILFIELD UK LIMITED
Reel/Frame 065016/0924 →