Patent Assignment
Reel/Frame 042425/0705
Assignment of Assignor's Interest
Recorded: 2017-05-09
Pages: 41
Assignor
PETROWELL LIMITED
Executed: 2017-03-27
Assignee
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST. JAMES PLACE, HOUSTON, TEXAS, 77056
Covered Properties
(9)
Method of and Apparatus for Completing a Well
Valve Assembly
Application:
12/739,063 →
Publication:
US 2010/0301242
Pressure Actuable Downhole Tool and a Method for Actuating the Same
Switching Device for, and a Method of Switching, a Downhole Tool
Flow Control Device
Apparatus and Method for Downhole Communication
Valve Assembly
Method of and Apparatus for Completing a Well
Method of and Apparatus for Completing a Well
Related Assignments
(18)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 26, 2010
From: PURKIS, DANIEL
To: PETROWELL LIMITED
Reel/Frame 024291/0440 →
Assignment of Assignor's Interest
Jun 14, 2010
From: PATTON, DAMIEN GERARD; HARMAN, DAVIDSON
To: PETROWELL LIMITED
Reel/Frame 024528/0440 →
Assignment of Assignor's Interest
Aug 13, 2010
From: CHRISTIE, STEWART; LIPP, NIALL
To: PETROWELL LIMITED
Reel/Frame 024836/0460 →
Assignment of Assignor's Interest
Oct 14, 2010
From: PURKIS, DANIEL
To: PETROWELL LIMITED
Reel/Frame 025136/0768 →
Assignment of Assignor's Interest
Aug 19, 2011
From: GEDDES, FRAZER; SOOD, ATUL B.; ANDERSON, GILBERT ALEXANDER
To: PETROWELL LIMITED
Reel/Frame 026788/0219 →
Assignment of Assignor's Interest
Feb 29, 2012
From: PURKIS, DANIEL
To: PETROWELL LIMITED
Reel/Frame 027779/0917 →
Change of Address
Feb 26, 2013
From: PETROWELL LIMITED
To: PETROWELL LIMITED
Reel/Frame 029878/0085 →
Assignment of Assignor's Interest
Jul 12, 2013
From: PATTON, DAMIEN GERARD; HARMAN, DAVIDSON
To: PETROWELL LIMITED
Reel/Frame 030787/0933 →
Assignment of Assignor's Interest
Oct 16, 2013
From: PURKIS, DANIEL
To: PETROWELL LIMITED
Reel/Frame 031417/0226 →
Assignment of Assignor's Interest
Jun 23, 2015
From: PURKIS, DANIEL GEORGE
To: PETROWELL LIMITED
Reel/Frame 035886/0786 →
Assignment of Assignor's Interest
Aug 9, 2017
From: PETROWELL, LTD.
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
Reel/Frame 043506/0292 →
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 →
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 →
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 →
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 →
Patent Security Interest Assignment Agreement
Apr 26, 2023
From: DEUTSCHE BANK TRUST COMPANY AMERICAS
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 063470/0629 →