Patent Assignment
Reel/Frame 014692/0797
Security Interest
Recorded: 2003-11-14
Pages: 6
Assignor
W-H ENERGY SERVICES, INC.
Executed: 2003-11-11
Assignee
WELLS FARGO BANK TEXAS, N.A., AS ADMINISTRATIVE AGENT
1000 LOUISIANA, 3RD FLOOR, HOUSTON, TEXAS, 77002
Covered Properties
(3)
Technique for Signal Detection Using Adaptive Filtering in Mud Pulse Telemetry
Patent:
6,308,562 →
Application:
09/469,989 →
Method of and apparatus for independently determining the resistivity and/or dielectric constant of an earth formation
Patent:
6,366,858 →
Application:
09/608,205 →
Method of Determining Resistivity of an Earth Formation with Phase Resistivity Evaluation Based on a Phase Shift Measurement and Attenuation Resistivity Evaluation Based on an Attenuation Measurement and the Phase Shift Measurement
Related Assignments
(11)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 22, 1999
From: ABDALLAH, ALI H.; BEATTIE, MARK S.
To: W-H ENERGY SYSTEMS, INC.
Reel/Frame 010478/0579 →
Assignment of Assignor's Interest
Jun 30, 2000
From: HAUGLAND, S. MARK
To: W-H ENERGY SERVICES, INC.
Reel/Frame 010941/0062 →
Security Agreement
Dec 22, 2000
From: PATHFINDER ENERGY SERVICES, INC.
To: WELLS FARGO BANK TEXAS, AS ADMINISTRATIVE AGENT
Reel/Frame 011461/0670 →
Assignment of Assignor's Interest
Jun 8, 2001
From: HAUGLAND,S. MARK
To: W-H ENERGY SERVICES,INC.
Reel/Frame 011899/0044 →
Security Agreement
Feb 24, 2005
From: W-H ENERGY SERVICES, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 015698/0530 →
Corrective Assignment to Correct the Name of Receiving Party Previously Recorded on Reel 010478 Frame 0579. Assignor(S) Hereby Confirms the Assignment of Assignor's Interest to W-H Energy Services, Inc..
Feb 2, 2009
From: ABDALLAH, ALI H; BEATTIE, MARK S
To: W-H ENERGY SERVICES, INC.
Reel/Frame 022177/0964 →
Assignment of Assignor's Interest
Feb 10, 2009
From: W-H ENERGY SERVICES, INC.
To: SMITH INTERNATIONAL, INC.
Reel/Frame 022231/0083 →
Release of Security Interest
Apr 7, 2009
From: WELLS FARGO BANK, NATIONAL ASSOCIATION (AS ADMINISTRATIVE AGENT)
To: W-H ENERGY SERVICES, INC.
Reel/Frame 022510/0751 →
Release of Security Interest
Apr 8, 2009
From: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS SUCCESSOR BY MERGER TO WELLS FARGO BANK TEXAS, N.A. (AS ADMINISTRATIVE AGENT)
To: W-H ENERGY SERVICES, INC.
Reel/Frame 022520/0365 →
Release of Security Interest
Apr 8, 2009
From: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS SUCCESSOR BY MERGER TO WELLS FARGO BANK TEXAS, N.A. (AS ADMINISTRATIVE AGENT)
To: PATHFINDER ENERGY SERVICES, INC.
Reel/Frame 022520/0291 →
Assignment of Assignor's Interest
Oct 17, 2012
From: SMITH INTERNATIONAL, INC.
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 029143/0015 →