Patent Assignment
Reel/Frame 043506/0292
Assignment of Assignor's Interest
Recorded: 2017-08-09
Pages: 38
Assignor
PETROWELL, LTD.
Executed: 2017-06-29
Assignee
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST JAMES PL, HOUSTON, TEXAS, 77056
Covered Properties
(62)
Sealing System
Plug
Remote Actuation of a Downhole Tool
Wellhead Assembly and Method
Well Bore Anchors
Packer
Apparatus for Controlling a Downhole Device
Bi-Directional Flapper Valve
Packer
Tree Plug
Improved Activation Device
Method of and Apparatus for Completing a Well
Valve Assembly
Application:
12/739,063 →
Publication:
US 2010/0301242
Centraliser
Pressure Actuable Downhole Tool and a Method for Actuating the Same
Tubing Section
Switching Device for, and a Method of Switching, a Downhole Tool
Improved Tubing Section Coupling
Centraliser
Control System
Flow Control Device
Apparatus and Method for Setting a Downhole Anchor and Related Telescopic Joint
Flow Control Apparatus and Method
Running Adapter
Apparatus and Method for Downhole Communication
Mechanical Counter
Downhole Actuating Apparatus
Selective Fracturing System
Downhole Detection
Valve Assembly
Centraliser
Method of and Apparatus for Completing a Well
Downhole Tool and Method
Packer
Downhole Actuating Apparatus
Antenna for Use in a Downhole Tubular
Method and System for Operating a Downhole Tool, for Fracturing a Formation and/or for Completing a Wellbore
Flow Restrictor
Well Isolation
Flow Control Assembly
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
Method and Apparatus for Actuating Downhole Tools
Method of and Apparatus for Completing a Well
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
Switching Device for, and a Method of Switching, a Downhole Tool
Choke
Expandable Slip System
Interlocking and Setting Section for a Downhole Tool
Switching Device for, and a Method of Switching, a Downhole Tool
Method and Apparatus for Controlling a Downhole Tool
Application:
15/505,538 →
Publication:
US 2017/0254195
Related Assignments
(10)
Other recorded transfers of the patents in this record — the chain of ownership.
Change of Address
Feb 21, 2013
From: PETROWELL LIMITED
To: PETROWELL LIMITED
Reel/Frame 029849/0498 →
Assignment of Assignor's Interest
Apr 26, 2017
From: PETROWELL LIMITED
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
Reel/Frame 042334/0367 →
Assignment of Assignor's Interest
Aug 30, 2017
From: PETROWELL LTD.
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
Reel/Frame 043722/0898 →
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 →