Patent Assignment
Reel/Frame 043722/0898
Assignment of Assignor's Interest
Recorded: 2017-08-30
Pages: 37
Assignor
PETROWELL LTD.
Executed: 2017-06-29
Assignee
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST JAMES PLACE, HOUSTON, TEXAS, 77056
Covered Properties
(42)
Sealing System
Plug
Well Bore Anchors
Packer
Packer
Tree Plug
Improved Activation Device
Centraliser
Tubing Section
Improved Tubing Section Coupling
Centraliser
Control System
Apparatus and Method for Setting a Downhole Anchor and Related Telescopic Joint
Flow Control Apparatus and Method
Running Adapter
Mechanical Counter
Downhole Actuating Apparatus
Selective Fracturing System
Downhole Detection
Centraliser
Downhole Tool and Method
Packer
Downhole Actuating Apparatus
Method and System for Operating a Downhole Tool, for Fracturing a Formation and/or for Completing a Wellbore
Flow Restrictor
Well Isolation
Downhole Apparatus and Method
Seal Element
Centraliser
Downhole Apparatus and Method
Downhole Apparatus and Method
Downhole Apparatus and Method
Downhole Apparatus and Method
Downhole Apparatus and Method
Application:
14/649,590 →
Publication:
US 2015/0308229
Downhole Communication
Shifting Tool
Downhole Apparatus
Application:
14/776,785 →
Publication:
US 2016/0047203
Catching Apparatus
Application:
14/776,821 →
Publication:
US 2016/0040508
Downhole Arrangement
Heat Treat Production Fixture
Expandable Slip System
Interlocking and Setting Section for a Downhole Tool
Related Assignments
(10)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 19, 2012
From: SMITH, COLIN; PURKIS, DANIEL GEORGE
To: PETROWELL LIMITED
Reel/Frame 029323/0060 →
Assignment of Assignor's Interest
Apr 17, 2014
From: SMITH, COLIN; PURKIS, DANIEL GEORGE
To: PETROWELL LIMITED
Reel/Frame 032699/0094 →
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 →