IP Library › Assignment 042457/0086
Patent Assignment
Reel/Frame 042457/0086

Assignment of Assignor's Interest

Recorded: 2017-05-22 Pages: 10
Assignor
WEATHERFORD CANADA PARTNERSHIP
Executed: 2015-12-01
Assignee
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST. JAMES PLACE, HOUSTON, TEXAS, 77056
Covered Properties (17)
Pulser
Patent: 6,002,643 →
Application: 08/917,624 →
Standoff Compensation for Nuclear Measurements
Patent: 6,566,649 →
Application: 09/579,971 →
Wellbore Resistivity Tool with Simultaneous Multiple Frequencies
Patent: 6,703,837 →
Application: 09/662,973 →
Standoff Compensation for Nuclear Measurements
Patent: 6,590,202 →
Application: 09/851,635 →
Publication: US 2002/0008197
Calculating Directional Drilling Tool Face Offsets
Patent: 6,585,061 →
Application: 09/976,129 →
Publication: US 2003/0070844
Well Logging System for Determining Directional Resistivity Using Multiple Transmitter-Receiver Groups Focused with Magnetic Reluctance Material
Patent: 6,577,129 →
Application: 10/053,041 →
Well Logging System for Determining Resistivity Using Multiple Transmitter-Receiver Groups Operating at Three Frequencies and at Optimized Gain
Patent: 6,646,441 →
Application: 10/053,043 →
Publication: US 2003/0137301
Logging-While-Drilling Apparatus and Methods for Measuring Density
Patent: 6,666,285 →
Application: 10/078,199 →
Publication: US 2003/0155121
Standoff Compensation for Nuclear Measurements
Patent: 6,700,115 →
Application: 10/112,308 →
Publication: US 2002/0190198
Gamma Ray Spectroscopy Logging-While-Drilling System
Patent: 6,927,390 →
Application: 10/267,944 →
Publication: US 2004/0065823
Downhole Calibration System for Directional Sensors
Patent: 6,966,211 →
Application: 10/359,372 →
Publication: US 2004/0149004
Extended Range Emf Antenna
Patent: 7,518,527 →
Application: 10/511,739 →
Publication: US 2006/0066301
Downhole Clock Synchronization Apparatus and Methods for Use in a Borehole Drilling Environment
Patent: 7,230,543 →
Application: 10/618,269 →
Publication: US 2005/0007259
Compensated Ensemble Crystal Oscillator for Use in a Well Borehole System
Patent: 7,046,584 →
Application: 10/618,282 →
Publication: US 2005/0007887
Electromagnetic Borehole Telemetry System Incorporating a Conductive Borehole Tubular
Patent: 7,145,473 →
Application: 10/649,431 →
Publication: US 2005/0046587
Electromagnetic Borehole Telemetry System Incorporating a Conductive Borehole Tubular
Patent: 7,126,492 →
Application: 10/781,585 →
Publication: US 2005/0046589
Gain Stabilization Apparatus and Methods for Spectral Gamma Ray Measurement Systems
Patent: 7,202,456 →
Application: 11/050,005 →
Publication: US 2006/0065824
Related Assignments (25)
Other recorded transfers of the patents in this record — the chain of ownership.
Invalid Recording: See Document at Reel 012842 Frame 0121. (Re-Recorded to Correct the Serial Number Erroneously Assigned by the Pto) Jan 19, 2002
From: THOMPSON. LARRY W.; WISLER, MACMILLAN M.; WU, JIAN-QUN
To: PRECISION DRILLING TECHNOLOGY SERVICES GROUP, INC.
Reel/Frame 012519/0329 →
Invalid Recording, See Document at Reel 012519, Frame 0329. (Re-Record to Correct the Serial Number Assigned by the Pto) Jan 19, 2002
From: THOMPSON, LARRY W.; WISLER, MACMILLAN M.; WU, JIAN-QUN
To: PRECISION DRILLING TECHNOLOGY SERVICES GROUP, INC.
Reel/Frame 012519/0238 →
Assignment of Assignor's Interest Feb 4, 2003
From: WU, JIAN-QUN
To: PRECISION DRILLING TECHNOLOGY SERVICES GROUP INC.
Reel/Frame 014231/0427 →
Assignment of Assignor's Interest Jul 9, 2003
From: SORRELLS, MARTIN; MINTO, JAMES
To: PRECISION DRILLING TECHNOLOGY SERVICES GROUP INC.
Reel/Frame 014292/0151 →
Assignment of Assignor's Interest Jul 9, 2003
From: MINTO, JAMES; SORRELLS, MARTIN; HARVEY, PETER
To: PRECISION DRILLING TECHNOLOGY SERVICES GROUP INC.
Reel/Frame 014292/0635 →
Assignment of Assignor's Interest Jan 24, 2004
From: WEISBECK, DENIS
To: PRECISION DRILLING TECHNOLOGY SERVICES GROUP INC.
Reel/Frame 014942/0032 →
Assignment of Assignor's Interest Jan 26, 2004
From: HALL, HUGH JR
To: PRECISION DRILLING TECHNOLOGY SERVICES GROUP INC
Reel/Frame 014944/0577 →
Assignment of Assignor's Interest Jan 26, 2004
From: WISLER, MACMILLAN
To: PRECISION DRILLING TECHNOLOGY SERVICES GROUP
Reel/Frame 014945/0852 →
Assignment of Assignor's Interest Feb 11, 2004
From: WISLER, MACMILLAN; HALL JR., HUGH; WEISBECK, DENIS
To: PRECISION DRILLING TECHNOLOGY SERVICES GROUP INC.
Reel/Frame 015005/0839 →
Change of Name Jul 1, 2005
From: COMPUTALOG LTD.
To: PRECISION DRILLING TECHNOLOGY SERVICES GROUP, INC.
Reel/Frame 017275/0188 →
Corrective Assignment to Correct the Serial Number Previously Recorded on Reel 016257 Frame 0318. Assignor(S) Hereby Confirms the Correction of the Serial Number from 10/954,124 to 11/050,005. Jul 26, 2005
From: MICKAEL, MR. MEDHAT W.
To: PRECISION DRILLING TECHNOLOGY SERVICES GROUP, INC.
Reel/Frame 016311/0776 →
Change of Name Aug 3, 2005
From: PRECISION DRILLING TECHNOLOGY SERVICES GROUP, INC.
To: PRECISION ENERGY SERVICES, LTD.
Reel/Frame 016345/0078 →
Change of Name Aug 11, 2005
From: PRECISION DRILLING TECHNOLOGY SERVICES GROUP, INC.
To: PRECISION ENERGY SERVICES, LTD.
Reel/Frame 016386/0259 →
Change of Name Feb 7, 2006
From: COMPUTALOG LTD.
To: PRECISION DRILLING TECHNOLOGY SERVICES GROUP, INC.
Reel/Frame 017230/0980 →
Nunc Pro Tunc Assignment Apr 19, 2006
From: COMPUTALOG U.S.A., INC.
To: PRECISION DRILLING TECHNOLOGY SERVICES GROUP, INC.
Reel/Frame 017497/0010 →
Assignment of Assignor's Interest Apr 21, 2006
From: PRECISION ENERGY SERVICES LTD.
To: PRECISION ENERGY SERVICES ULC
Reel/Frame 017507/0031 →
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 →
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 →