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Patent Assignment Abstract of Title
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Total Assignments: 5
Patent #:
10876039
Issue Dt:
12/29/2020
Application #:
16055890
Filing Dt:
08/06/2018
Publication #:
20190055460
Pub Dt:
02/21/2019
Inventors:
Musarrat Halima Mohammed, Andrew Whiting, Hugh Christopher Greenwell, Mona Al Batal et al
Title:
THERMALLY STABLE SURFACTANTS FOR OIL BASED DRILLING FLUIDS
Assignment: 1
Reel/Frame:
047335/0157Recorded: 10/29/2018Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
HODDER, MICHAEL HAYWARD
Exec Dt:
05/28/2018
Assignee:
M-I DRILLING FLUIDS UK LIMITED
POCRA QUAY FOOTDEE
ABERDEEN, UNITED KINGDOM AB11 5DQ
Correspondent:
DINSMORE & SHOHL LLP
FIFTH THIRD CENTER, ONE S. MAIN STREET
SUITE 1300
DAYTON, OH 45402
Assignment: 2
Reel/Frame:
046839/0951Recorded: 09/11/2018Pages: 8
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
HALL, JOHN ADRIAN
Exec Dt:
08/09/2018
ALABEDI, GASAN
Exec Dt:
05/06/2018
Assignee:
SAUDI ARABIAN OIL COMPANY
P.O. BOX 5000
DHAHRAN, SAUDI ARABIA 31311
Correspondent:
DINSMORE & SHOHL LLP
FIFTH THIRD CENTER, ONE S. MAIN STREET
SUITE 1300
DAYTON, OH 45402
Assignment: 3
Reel/Frame:
046840/0370Recorded: 09/11/2018Pages: 8
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
MOHAMMED, MUSARRAT HALIMA
Exec Dt:
08/28/2018
GREENWELL, HUGH CHRISTOPHER
Exec Dt:
08/14/2018
WHITING, ANDREW
Exec Dt:
08/14/2018
AL BATAL, MONA
Exec Dt:
07/30/2018
Assignee:
DURHAN UNIVERSITY
DEPARTMENT OF CHEMISTRY
SOUTH ROAD
DURHAM, UNITED KINGDOM DH1 3LE
Correspondent:
DINSMORE & SHOHL LLP
FIFTH THIRD CENTER, ONE S. MAIN STREET
SUITE 1300
DAYTON, OH 45402
Assignment: 4
Reel/Frame:
047900/0917Recorded: 10/29/2018Pages: 9
Conveyance:
CORRECTIVE ASSIGNMENT TO CORRECT THE SPELLING OF ASSIGNEE NAME PREVIOUSLY RECORDED AT REEL: 046840 FRAME: 0370. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignors:
MOHAMMED, MUSARRAT HALIMA
Exec Dt:
08/28/2018
GREENWELL, HUGH CHRISTOPHER
Exec Dt:
08/14/2018
WHITING, ANDREW
Exec Dt:
08/14/2018
AL BATAL, MONA
Exec Dt:
07/30/2018
Assignee:
DURHAM UNIVERSITY
DEPARTMENT OF CHEMISTRY
SOUTH ROAD
DURHAM, UNITED KINGDOM DH1 3LE
Correspondent:
DINSMORE & SHOHL LLP
FIFTH THIRD CENTER, ONE S. MAIN STREET
SUITE 1300
DAYTON, OH 45402
Assignment: 5
Reel/Frame:
065017/0178Recorded: 09/24/2023Pages: 28
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
M-I DRILLING FLUIDS UK LIMITED
Exec Dt:
06/26/2023
Assignee:
SCHLUMBERGER OILFIELD UK LIMITED
MINERVA, MANOR ROYAL
CRAWLEY, UNITED KINGDOM RH10 9BU
Correspondent:
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042

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