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Patent Assignment Abstract of Title
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Total Assignments: 5
Patent #:
8863850
Issue Dt:
10/21/2014
Application #:
12999940
Filing Dt:
04/08/2011
Publication #:
20120111566
Pub Dt:
05/10/2012
Inventors:
Scott Sherman, Robert Pugh, Steve Scherschel, Sean Majko
Title:
APPARATUS AND METHOD FOR STIMULATING SUBTERRANEAN FORMATIONS
Assignment: 1
Reel/Frame:
025903/0019Recorded: 03/04/2011Pages: 10
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
SHERMAN, SCOTT
Exec Dt:
02/16/2011
PUGH, ROBERT
Exec Dt:
02/16/2011
MAJKO, SEAN
Exec Dt:
02/15/2011
SCHERSCHEL, STEVE
Exec Dt:
02/15/2011
Assignee:
TRICAN WELL SERVICE LTD.
645-7TH AVENUE SW
SUITE 2900
CALGARY, ALBERTA 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:
TRICAN WELL SERVICE LTD.
Exec Dt:
11/15/2015
Assignee:
COMPUTERSHARE TRUST COMPANY OF CANADA
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:
042090/0386Recorded: 04/21/2017Pages: 9
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
TRICAN WELL SERVICE LTD.
Exec Dt:
07/12/2016
Assignee:
DRECO ENERGY SERVICES ULC
1000, 800 - 6TH AVENUE SW
CALGARY, CANADA AB T2P 3G3
Correspondent:
CONLEY ROSE, P.C. JONATHAN M. HARRIS
1001 MCKINNEY
SUITE 1800
HOUSTON, TX 77002-6417
Assignment: 4
Reel/Frame:
064630/0306Recorded: 08/17/2023Pages: 24
Conveyance:
MERGER AND CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignors:
DRECO ENERGY SERVICES ULC
Exec Dt:
01/01/2021
Newly Merged Entity Data
NOV CANADA ULC
Exec Dt:
01/01/2021
Newly Merged Entity's New Name:
NOV CANADA ULC
4300 BANKERS HALL WEST
888 - 3RD STREET S.W.
CALGARY, ALBERTA, CANADA T2P 5C5
Correspondent:
CONLEY ROSE, P.C.
777 NORTH ELDRIDGE PARKWAY, SUITE 600
HOUSTON, TX 77079
Assignment: 5
Reel/Frame:
060087/0101Recorded: 06/02/2022Pages: 13
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
FEDORA, BRADLEY P.D.
Exec Dt:
12/03/2021
Assignee:
OLYMPIA TRUST COMPANY
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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