Patent Assignment
Reel/Frame 060087/0101
Security Interest
Recorded: 2022-06-02
Pages: 13
Assignor
FEDORA, BRADLEY P.D.
Executed: 2021-12-03
Assignee
OLYMPIA TRUST COMPANY
520 - 3RD AVENUE SW, SUITE 4000, CALGARY, T2P 0R3, CANADA
Covered Properties
(23)
Fracturing with Viscoelastic Surfactant Based Fluid
Method and System for Fracturing Subterranean Formations with a Proppant and Dry Gas
Gas Separator
Method for Making Particulate Slurries and Particulate Slurry Compositions
Pressure Containment Devices and Methods of Using Same
Fracturing Method and Apparatus Utilizing Gelled Isolation Fluid
Aqueous Particulate Slurry Compositions and Methods of Making Same
Control of Particulate Entrainment by Fluids
Hydrocarbon Fluid Compositions and Methods for Using Same
Well Service Compositions for Consolidation of Particulates in Subterranean Coal Seams
Method for Making Particulate Slurries and Particulate Slurry Compositions
Center Discharge Gas Turbodrill
Apparatus and Method for Stimulating Subterranean Formations
Applications of Smart Fluids in Well Service Operations
System for Cementing Tubulars Comprising a Mud Motor
Burst Disk-Actuated Shaped Charges, Systems and Methods of Use
Aqueous Particulate Slurry Compositions and Methods of Making Same
Control of Particulate Entrainment by Fluids
Fracturing Tool Anchor
Center Discharge Gas Turbodrill
Control of Particulate Entrainment by Fluids
Microbial-Enhanced Well Cementing and Remediation
Compositions and Methods for Making Aqueous Slurry
Related Assignments
(25)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 20, 2006
From: TEMPRESS TECHNOLOGIES, INC.
To: TRICAN WELL SERVICE LTD.
Reel/Frame 018155/0501 →
Assignment of Assignor's Interest
Mar 20, 2006
From: KOLLE, JACK J.
To: TEMPRESS TECHNOLOGIES, INC.
Reel/Frame 017712/0678 →
Assignment of Assignor's Interest
Jul 25, 2006
From: ZHANG, KEWEI
To: TRICAN WELL SERVICE LTD.
Reel/Frame 018075/0781 →
Assignment of Assignor's Interest
Sep 14, 2006
From: VOSNIAK, CHARLES; VIS, THOMAS; TULISSI, MICHAEL
To: TRICAN WELL SERVICE, LTD.
Reel/Frame 018250/0041 →
Assignment of Assignor's Interest
Dec 1, 2009
From: ZHANG, KEWEI
To: TRICAN WELL SERVICES LTD.
Reel/Frame 023587/0045 →
Assignment of Assignor's Interest
Mar 25, 2010
From: ZHANG, KEWEI
To: TRICAN WELL SERVICE LTD.
Reel/Frame 024139/0291 →
Assignment of Assignor's Interest
Jul 9, 2010
From: MOORE, DARYL; BROCKLEBANK, TOM; SHERMAN, SCOTT
To: TRICAN WELL SERVICE LTD.
Reel/Frame 024661/0125 →
Assignment of Assignor's Interest
Aug 18, 2010
From: ZHANG, KEWEI; O'NEIL, BILL; MALEY, DARREN
To: TRICAN WELL SERVICES LTD.
Reel/Frame 024853/0154 →
Assignment of Assignor's Interest
Dec 7, 2010
From: KOLLE, JACK; THEIMER, KENNETH
To: TRICAN WELL SERVICE, LTD.
Reel/Frame 025460/0610 →
Assignment of Assignor's Interest
Dec 21, 2010
From: ZHANG, KEWEI
To: TRICAN WELL SERVICE LTD.
Reel/Frame 025543/0636 →
Assignment of Assignor's Interest
Dec 21, 2010
From: ZHANG, KEWEI; WIGGINS, CHRIS
To: TRICAN WELL SERVICE LTD.
Reel/Frame 025547/0705 →
Corrective Assignment to Correct the Application Number, Which Was Incorrectly Listed as 12/644,036 Previously Recorded on Reel 025547 Frame 0705. Assignor(S) Hereby Confirms the Text of the Original Assignment Shows in Bold Type the Correct Application Number 12/664,036..
Feb 7, 2011
From: ZHANG, KEWEI; WIGGINS, CHRIS
To: TRICAN WELL SERVICES, LTD.
Reel/Frame 025755/0918 →
Assignment of Assignor's Interest
Mar 4, 2011
From: SHERMAN, SCOTT; PUGH, ROBERT; MAJKO, SEAN; SCHERSCHEL, STEVE
To: TRICAN WELL SERVICE LTD.
Reel/Frame 025903/0019 →
Assignment of Assignor's Interest
Apr 18, 2011
From: ZHANG, KEWEI; SHERMAN, SCOTT
To: TRICAN WELL SERVICE LTD.
Reel/Frame 026142/0984 →
Assignment of Assignor's Interest
Nov 30, 2011
From: ZHANG, KEWEI
To: TRICAN WELL SERVICE LTD.
Reel/Frame 027299/0478 →
Assignment of Assignor's Interest
Dec 6, 2011
From: DUSTERHOFT, DALE; BROWNE, DAVID; VAUGHAN, JASON; LUK, SAM
To: TRICAN WELL SERVICE, LTD.
Reel/Frame 027338/0828 →
Nunc Pro Tunc Assignment
Jan 27, 2014
From: SHERMAN, SCOTT
To: TRICAN WELL SERVICE, LTD.
Reel/Frame 032054/0504 →
Security Interest
Jan 13, 2016
From: TRICAN WELL SERVICE LTD.
To: COMPUTERSHARE TRUST COMPANY OF CANADA
Reel/Frame 037482/0702 →
Assignment of Assignor's Interest
Dec 22, 2016
From: ZHANG, KEWEI
To: TRICAN WELL SERVICE LTD.
Reel/Frame 040747/0481 →
Assignment of Assignor's Interest
Apr 21, 2017
From: TRICAN WELL SERVICE LTD.
To: DRECO ENERGY SERVICES ULC
Reel/Frame 042090/0386 →
Assignment of Assignor's Interest
Oct 29, 2018
From: TRICAN WELL SERVICE LTD.
To: TEMPRESS TECHNOLOGIES, INC.
Reel/Frame 047337/0539 →
Assignment of Assignor's Interest
Dec 3, 2019
From: TRICAN WELL SERVICE LTD.
To: SHERMAN, SCOTT, SHER
Reel/Frame 051167/0954 →
Assignment of Assignor's Interest
Feb 16, 2021
From: OIL STATES INTERNATIONAL, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 055314/0482 →
Merger and Change of Name
Aug 17, 2023
From: DRECO ENERGY SERVICES ULC; NOV CANADA ULC
To: NOV CANADA ULC
Reel/Frame 064630/0306 →
Security Interest
Jan 29, 2026
From: OIL STATES ENERGY SERVICES, L.L.C.; OIL STATES INDUSTRIES, INC.; GEODYNAMICS, INC.; TEMPRESS TECHNOLOGIES, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
Reel/Frame 074532/0194 →