Patent Assignment
Reel/Frame 046463/0303
Corrective Assignment to Correct the Assignor's Second Page of the Assignment Previously Recorded on Reel 046021 Frame 0551. Assignor(S) Hereby Confirms the Assignment.
Recorded: 2018-06-28
Pages: 12
Assignors
M-I DRILLING FLUIDS U.K. LIMITED
Executed: 2018-05-23
M-I PRODUCTION CHEMICALS LIMITED UK
Executed: 2018-05-23
Assignee
OILFIELD MINERAL SOLUTIONS LIMITED
JOHNSTON CARMICHAEL, 7-11 MELVILLE STREET, EDINBURGH, EH3 7PE, UNITED KINGDOM
Covered Properties
(4)
Hydrocarbon Recovery Techniques
Method for Removing Oilfield Mineral Scale from Pipes and Tubing
Hydrocarbon recovery techniques
Application:
60/781,226 →
Method for Removing Oilfield Mineral Scale from Pipes and Tubing
Application:
60/820,861 →
Related Assignments
(7)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 25, 2007
From: OILFIELD MINERAL SOLUTIONS LIMITED
To: M-I PRODUCTION CHEMICALS UK LIMITED
Reel/Frame 019609/0069 →
Assignment of Assignor's Interest
Jul 25, 2007
From: KEATCH, RICHARD
To: OILFIELD MINERAL SOLUTIONS LIMITED
Reel/Frame 019609/0169 →
Assignment of Assignor's Interest
Oct 31, 2007
From: KEATCH, RICHARD W.; RAY, SIMON K.
To: OILFIELD MINERAL SOLUTIONS
Reel/Frame 020047/0780 →
Assignment of Assignor's Interest
Nov 1, 2007
From: OILFIELD MINERAL SOLUTIONS LIMITED
To: M-I PRODUCTION CHEMICALS UK LIMITED (50%); OILFIELD MINERAL SOLUTIONS LIMITED (50%)
Reel/Frame 020123/0683 →
Corrective Assignment to Correct the Assignee's Name, Previously Recorded at Reel 020047, Frame 0780.
Jan 27, 2009
From: KEATCH, RICHARD W.; RAY, SIMON K.
To: OILFIELD MINERAL SOLUTIONS LIMITED
Reel/Frame 022185/0765 →
Assignment of Assignor's Interest
Jun 7, 2018
From: M-I DRILLING FLUIDS U.K. LIMITED; M-I PRODUCTION CHEMICALS LIMITED UK
To: OILFIELD MINERAL SOLUTIONS LIMITED
Reel/Frame 046021/0551 →
Assignment of Assignor's Interest
May 27, 2021
From: OILFIELD MINERAL SOLUTIONS LIMITED
To: EXKAL LIMITED
Reel/Frame 056374/0017 →