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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
12/08/2015
Application #:
13021698
Filing Dt:
02/04/2011
Publication #:
Pub Dt:
08/04/2011
Inventors:
Kewei Zhang, Scott Sherman
Title:
APPLICATIONS OF SMART FLUIDS IN WELL SERVICE OPERATIONS
Assignment: 1
Reel/Frame:
026142/0984Recorded: 04/18/2011Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
04/12/2011
Exec Dt:
04/12/2011
Assignee:
645-7TH AVENUE S.W.
SUITE 2900
CALGARY, ALBERTA, CANADA T2P 4G8
Correspondent:
NICHOLAS J. LANDAU
1819 5TH AVENUE NORTH
BRADLEY ARANT BOULT CUMMINGS, LLP
BRIMINGHAM, AL 35203-2119
Assignment: 2
Reel/Frame:
037482/0702Recorded: 01/13/2016Pages: 20
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
11/15/2015
Assignee:
600, 530 - 8TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3S8
Correspondent:
ANNIE AYMOND-NORTON ROSE FULBRIGHT USLLP
1301 MCKINNEY STREET
HOUSTON, TX 77010
Assignment: 3
Reel/Frame:
051167/0954Recorded: 12/03/2019Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/03/2019
Assignee:
RR2,
BLACKIE, ALBERTA, CANADA T0L 0J0
Correspondent:
SCOTT SHERMAN
RR2
BLACKIE, T0L 0J0 CANADA
Assignment: 4
Reel/Frame:
060087/0101Recorded: 06/02/2022Pages: 13
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/03/2021
Assignee:
520 - 3RD AVENUE SW
SUITE 4000
CALGARY, CANADA T2P 0R3
Correspondent:
NORTON ROSE FULBRIGHT CANADA LLP
2500-1 PLACE VILLE-MARIE
MONTRÉAL, PQC H3B 1R1

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