Patent Assignment
Reel/Frame 025192/0491
Assignment of Assignor's Interest
Recorded: 2010-10-26
Pages: 9
Assignor
M-I HOLDINGS L.L.C.
Executed: 2010-10-01
Assignee
M-I L.L.C.
5950 NORTH COURSE DRIVE, HOUSTON, TEXAS, 77072
Covered Properties
(33)
Drilling Fluid Additive and Method for Inhibiting Hydration
Patent:
5,149,690 →
Application:
07/783,368 →
Drilling Fluid Additive and Method for Inhibiting Hydration
Patent:
5,350,740 →
Application:
08/059,453 →
Drilling Fluid Additive and Method for Inhibiting Hydration
Patent:
5,424,284 →
Application:
08/087,458 →
Oil and Gas Well Cuttings Disposal System
Patent:
5,402,857 →
Application:
08/197,727 →
Aqueous Based Drilling Fluid Additive and Composition
Patent:
5,639,715 →
Application:
08/217,432 →
Well Drilling Process and Clay Stabilizing Agent
Patent:
5,558,171 →
Application:
08/232,386 →
Intrinsically Safe Data Acquisition System and Apparatus
Patent:
5,583,764 →
Application:
08/325,009 →
Water-Based Drilling Fluids for Reduction of Water Adsorption and Hydration of Argillaceous Rocks
Patent:
5,635,458 →
Application:
08/397,436 →
Oil and Gas Well Cuttings Disposal System
Patent:
5,564,509 →
Application:
08/416,181 →
Drilling Fluid Additive and Method for Inhibiting Hydration
Patent:
5,908,814 →
Application:
08/498,301 →
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 →
Intrinsically Safe Data Acquisition System and Apparatus
Patent:
5,838,589 →
Application:
08/650,458 →
Oil and Gas Well Cuttings Disposal System
Patent:
5,842,529 →
Application:
08/729,872 →
Oil and Gas Well Cuttings Disposal System
Patent:
5,839,521 →
Application:
08/813,462 →
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 →
Oil and Gas Well Cuttings Disposal System with Continuous Vacuum Operation for Sequentially Filling Disposal Tanks
Patent:
6,009,959 →
Application:
08/950,296 →
Conductive Medium for Openhole Logging and Logging While Drilling
Patent:
6,029,755 →
Application:
09/021,013 →
Oil and Gas Well Cuttings Disposal System with Continuous Vacuum Operation for Sequentially Filling Disposal Tanks
Patent:
5,913,372 →
Application:
09/039,178 →
Glycol Based Drilling Fluid
Patent:
6,291,405 →
Application:
09/043,225 →
Invert Emulsion Fluids Suitable for Drilling
Patent:
5,985,800 →
Application:
09/043,868 →
"Cuttings Tank Apparatus"
Patent:
5,971,084 →
Application:
09/071,820 →
Oil-Based Drilling Fluids Suitable for Drilling in the Presence of Acidic Gases
Patent:
5,909,779 →
Application:
09/108,025 →
Ester Based Invert Emulsion Drilling Fluids and Muds Having Negative Alkalinity
Patent:
5,977,031 →
Application:
09/130,914 →
Vacuum Tank for Use in Handling Oil and Gas Well Cuttings
Patent:
6,179,070 →
Application:
09/182,623 →
Intrinsically Safe Communication and Control System for Use in Hazardous Locations Including Monotoring Device with Intrinsically Safe Fluorescent Tube Backlit
Method and Apparatus for Handling and Disposal of Oil and Gas Well Drill Cuttings
Patent:
6,179,071 →
Application:
09/260,949 →
Vibrating Screen Separator, Separating Method, and Clamping Device
Patent:
6,283,303 →
Application:
09/280,643 →
Centrifuge control system and method with operation monitoring and pump control
Patent:
6,368,264 →
Application:
09/536,198 →
Oil Based Drilling Fluid
Related Assignments
(25)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Oct 28, 1991
From: PATEL, ARVIND D.; MC LAURINE, HENRY C.
To: M-I DRILLING FLUIDS COMPANY A TX GENERAL PARTNERSHIP
Reel/Frame 005911/0636 →
Assignment of Assignor's Interest
May 7, 1993
From: PATEL, ARVIND D.; MCLAURINE, HENRY C.
To: M-I DRILLING FLUIDS COMPANY
Reel/Frame 006542/0364 →
Assignment of Assignor's Interest
Aug 20, 1993
From: PATEL, ARVIND D.; MCLAURINE, HENRY C.
To: M-I DRILLING FLUIDS COMPANY
Reel/Frame 006678/0950 →
Assignment of Assignor's Interest
Mar 24, 1994
From: PATEL, ARVIND D.
To: M-I DRILLING FLUIDS COMPANY
Reel/Frame 006938/0086 →
Assignment of Assignor's Interest
Apr 25, 1994
From: MCGLOTHLIN, RAYMOND E.; WOODWORTH, FRANK B.
To: R&F INDUSTRIES, INC.
Reel/Frame 006977/0322 →
Assignment of Assignor's Interest
Feb 13, 1995
From: NAIL, GEORGE MICHAEL; BUKHARD, ALAN; WEDEKIND, JEFFREY
To: M-I DRILLING FLUIDS, L.L.C.
Reel/Frame 007321/0824 →
Assignment of Assignor's Interest
Mar 1, 1995
From: LEE, LI-JEIN JOHN
To: M-I DRILLING FLUIDS L.L.C.
Reel/Frame 007370/0596 →
Assignment of Assignor's Interest
Mar 13, 1995
From: R & F INDUSTRIES, INC.
To: M-I DRILLING FLUIDS L.L.C.
Reel/Frame 007420/0210 →
Corrective Assignment to Correct Assignor's Name. an Assignment Was Previously Recorded at Reel 7321, Frames 824-827.
Apr 27, 1995
From: NAIL, GEORGE MICHAEL; BURKHARD, ALAN; WEDEKIND, JEFFREY
To: M-I DRILLING FLUIDS, L.L.C.
Reel/Frame 007441/0609 →
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 →
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: PATEL, ARVIND D.
To: M-I DRILLING FLUIDS, L.L.C.
Reel/Frame 008353/0193 →
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: 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
May 23, 1997
From: PATEL, ARVIND
To: M-1 DRILLING FLUIDS, L.L.C.
Reel/Frame 008589/0529 →
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 →
Change of Name
Oct 20, 1997
From: M-I DRILLING FLUIDS, L.L.C.
To: M-I L.L.C.
Reel/Frame 008763/0782 →
Assignment of Assignor's Interest
Feb 9, 1998
From: PATEL, ARVIND D.
To: M-I L.L.C.
Reel/Frame 008985/0181 →
Assignment of Assignor's Interest
Mar 11, 1998
From: LEE, LIJIEN; PATEL, ARVIND D.; STAMATAKIS, EMANUEL
To: M-I L.L.C.
Reel/Frame 009593/0466 →
Assignment of Assignor's Interest
Mar 20, 1998
From: PATEL, ARVIND D.
To: M-I L.L.C.
Reel/Frame 009237/0778 →
Merger
Apr 24, 1998
From: M-I DRILLING FLUIDS COMPANY, A TEXAS GENERAL PARTNERSHIP
To: M-I L.L.C., A DELAWARE LIMITED LIABILITY COMPANY
Reel/Frame 009227/0129 →