Patent Assignment
Reel/Frame 014475/0181
(Amalgamation)
Recorded: 2003-06-23
Pages: 4
Assignor
NORTHLAND ENERGY CORPORATION
Executed: 2003-01-01
Assignee
PRECISION DRILLING TECHNOLOGY SERVICES GROUP INC.
4200 PETRO-CANADA CENTRE, 150-6TH AVENUE S.W., CALGARY, ALBERTA, TP3Y7, CANADA
Covered Properties
(9)
Apparatus and Method for Separating Components in Well Fluids
Patent:
5,900,137 →
Application:
08/671,422 →
Recovery of Gas from Drilling Fluid Returns in Underbalanced Drilling
Patent:
5,775,442 →
Application:
08/741,201 →
Method for Separating Components in Well Fluids
Patent:
5,928,519 →
Application:
08/963,471 →
Method of Treating Pressurized Drilling Fluid Returns from a Well
Patent:
6,315,813 →
Application:
09/442,450 →
Method and Apparatus for Treating Pressurized Drilling Fluid Returns from a Well
Patent:
6,413,297 →
Application:
09/626,857 →
Method of Dynamically Controlling Bottom Hole Circulation Pressure in a Wellbore
Prefabricated Swimming Pool
Apparatus and Method for Operating an Internal Combustion Engine to Reduce Free Oxygen Contained Within Engine Exhaust Gas
Method and Apparatus for Separating and Measuring Solids from Multi-Phase Well Fluids
Related Assignments
(14)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 26, 1996
From: HOMAN, EDWIN DARYL
To: FOREMOST ENERGY SYSTEMS, LTD.
Reel/Frame 008106/0589 →
Assignment of Assignor's Interest
Aug 16, 2001
From: ENTEST CORP.
To: NORTHLAND ENERGY CORPORATION
Reel/Frame 012075/0302 →
Change of Name
Jun 30, 2005
From: PRECISION DRILLING TECHNOLOGY SERVICES GROUP INC.
To: PRECISION ENERGY SERVICES LTD.
Reel/Frame 016735/0393 →
Change of Name
Apr 21, 2006
From: PRECISION DRILLING TECHNOLOGY SERVICES GROUP INC.
To: PRECISION ENERGY SERVICES LTD.
Reel/Frame 017507/0063 →
Assignment of Assignor's Interest
Apr 24, 2006
From: PRECISION ENERGY SERVICES LTD.
To: PRECISION ENERGY SERVICES ULC
Reel/Frame 017519/0043 →
Assignment of Assignor's Interest
Apr 26, 2006
From: PRECISION ENERGY SERVICES ULC
To: WEATHERFORD CANADA PARTNERSHIP
Reel/Frame 017527/0191 →
Security Interest
Dec 18, 2019
From: WEATHERFORD TECHNOLOGY HOLDINGS LLC; WEATHERFORD NETHERLANDS B.V.; WEATHERFORD NORGE AS; HIGH PRESSURE INTEGRITY INC.
To: WELLS FARGO BANK NATIONAL ASSOCIATION AS AGENT
Reel/Frame 051891/0089 →
Assignment of Assignor's Interest
Dec 23, 2019
From: WEATHERFORD CANADA PARTNERSHIP
To: WEATHERFORD CANADA LTD.
Reel/Frame 051352/0508 →
Security Interest
Dec 26, 2019
From: WEATHERFORD TECHNOLOGY HOLDINGS, LLC; WEATHERFORD NETHERLANDS B.V.; WEATHERFORD NORGE AS; HIGH PRESSURE INTEGRITY, INC.
To: DEUTSCHE BANK TRUST COMPANY AMERICAS, AS ADMINISTRATIVE AGENT
Reel/Frame 051419/0140 →
Security Interest
Aug 28, 2020
From: WEATHERFORD TECHNOLOGY HOLDINGS, LLC; WEATHERFORD NETHERLANDS B.V.; WEATHERFORD NORGE AS; HIGH PRESSURE INTEGRITY, INC.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 054288/0302 →
Release of Security Interest
Aug 28, 2020
From: WELLS FARGO BANK, NATIONAL ASSOCIATION
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC; WEATHERFORD NETHERLANDS B.V.; WEATHERFORD NORGE AS; HIGH PRESSURE INTEGRITY, INC.
Reel/Frame 053838/0323 →
Release of Security Interest
Oct 1, 2021
From: WILMINGTON TRUST, NATIONAL ASSOCIATION
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC; WEATHERFORD NETHERLANDS B.V.; WEATHERFORD NORGE AS; HIGH PRESSURE INTEGRITY, INC.
Reel/Frame 057683/0423 →
Security Interest
Oct 1, 2021
From: WEATHERFORD TECHNOLOGY HOLDINGS, LLC; WEATHERFORD NETHERLANDS B.V.; WEATHERFORD NORGE AS; HIGH PRESSURE INTEGRITY, INC.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 057683/0706 →
Patent Security Interest Assignment Agreement
Apr 26, 2023
From: DEUTSCHE BANK TRUST COMPANY AMERICAS
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 063470/0629 →