Patent Assignment
Reel/Frame 025192/0508
Change of Name
Recorded: 2010-10-26
Pages: 3
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Assignor
M-I DRILLING FLUIDS L.L.C.
Executed: 1997-08-01
Assignee
M-I L.L.C.
P.O. BOX 42842, HOUSTON, TEXAS, 77242
Covered Properties
(6)
Portable Liquid Mud Plant
Patent:
5,896,883 →
Application:
08/594,860 →
Water-Based Drilling Fluids with High Temperature Fluid Loss Control Additive
Patent:
5,789,349 →
Application:
08/614,681 →
Centrifuge Control System and Method
Patent:
5,857,955 →
Application:
08/622,417 →
Invert Emulsion Fluids Suitable for Drilling
Patent:
5,905,061 →
Application:
08/862,198 →
Improved Oil-Based Drilling Fluid
Patent:
6,218,342 →
Application:
08/862,201 →
Oil-Based Drilling Fluid
Patent:
5,888,944 →
Application:
08/880,266 →
Related Assignments
(13)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 31, 1996
From: KHALATBARI, BIJAN; GAERTNER, CHARLES ARNOLD
To: M-I DRILLING FLUIDS L.L.C.
Reel/Frame 007856/0961 →
Assignment of Assignor's Interest
Mar 13, 1996
From: PATEL, ARVIND
To: M-I DRILLING FLUIDS L.L.C.
Reel/Frame 007974/0397 →
Assignment of Assignor's Interest
Mar 27, 1996
From: PHILLIPS, VICTOR; CHANG, CHE-LIANG; MARTIN, TROY
To: M-I DRILLING FLUIDS L.L.C.
Reel/Frame 007938/0899 →
Change of Name
Feb 18, 1997
From: M-I DRILLING FLUIS COMOPANY L.L.C.
To: M-I DRILLING FLUIDS L.L.C.
Reel/Frame 008353/0210 →
Assignment of Assignor's Interest
Feb 18, 1997
From: PATEL, ARVIND D.
To: M-I DRILLING FLUIDS, L.L.C.
Reel/Frame 008353/0193 →
Conversion Agreement with Certificate of Formation
Feb 18, 1997
From: M-I DRILLING FLUIDS COMPANY
To: M-I DRILLING FLUIDS COMPANY, L.L.C.
Reel/Frame 008353/0033 →
Assignment of Assignor's Interest
Feb 18, 1997
From: M-I DRILLING FLUIDS COMPANY LIMITED PARTNERSHIP; M-I DRILLING FLUIDS COMPANY L.L.C.
To: M-I DRILLING FLUIDS COMPANY L.L.C.
Reel/Frame 008353/0202 →
Assignment of Assignor's Interest
May 23, 1997
From: PATEL, ARVIND
To: M-1 DRILLING FLUIDS, L.L.C.
Reel/Frame 008589/0529 →
Assignment of Assignor's Interest
May 23, 1997
From: ARVIND PATEL AND M-I DRILLING FLUIDS COMPANY, L.L.C.
To: M-I DRILLING FLUIDS L.L.C.
Reel/Frame 008589/0587 →
Assignment of Assignor's Interest
Jun 23, 1997
From: PATEL, ARVIND D.
To: M-1 DRILLING FLUIDS L.L.C.
Reel/Frame 008645/0791 →
Re-Record to Correct the Conveying Party's Name Previously Recorded at Reel 8589, Frame 0587.
Sep 8, 1997
From: PATEL, ARVIND D.
To: M-I DRILLING FLUIDS, L.L.C.
Reel/Frame 008699/0454 →
Assignment of Assignor's Interest
Oct 26, 2010
From: M-I HOLDINGS L.L.C.
To: M-I L.L.C.
Reel/Frame 025192/0491 →
Change of Name
Oct 26, 2010
From: M-I L.L.C.
To: M-I HOLDINGS L.L.C.
Reel/Frame 025192/0511 →