Patent Assignment
Reel/Frame 062840/0294
Assignment of Assignor's Interest
Recorded: 2023-03-01
Pages: 12
Assignor
SCHLUMBERGER OILFIELD UK LIMITED
Executed: 2022-10-25
Assignee
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE, SUGAR LAND, TEXAS, 77478
Covered Property
(1)
Downhole Valve Apparatus
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 3, 2018
From: ATKINS, JAMES EDWARD; BUCKLAND, JONATHAN PETER; LINKLATER, JAMES
To: M-I DRILLING FLUIDS UK LTD.
Reel/Frame 046256/0718 →
Assignment of Assignor's Interest
Mar 1, 2023
From: M-I DRILLING FLUIDS U.K. LIMITED
To: SCHLUMBERGER OILFIELD UK LIMITED
Reel/Frame 062840/0031 →