IP Library › Assignment 022460/0309
Patent Assignment
Reel/Frame 022460/0309

Release of Security Interest

Recorded: 2009-03-27 Pages: 5
Assignor
Assignee
PATHFINDER ENERGY SERVICES, INC.
15151 SOMMERMEYER ST., HOUSTON, TEXAS, 77041
Covered Properties (9)
Acoustic Attenuator, Well Logging Apparatus and Method of Well Logging
Patent: 5,510,582 →
Application: 08/398,979 →
Standoff Compensation for Acoustic Logging While Drilling Systems
Patent: 5,726,951 →
Application: 08/430,822 →
Acoustic Transducer for Lwd Tool
Patent: 5,644,186 →
Application: 08/483,112 →
Cancellation of Tool Mode Signal from Combined Signal
Patent: 5,780,784 →
Application: 08/733,367 →
Acoustic Lwd Tool Having Receiver Calibration Capabilities
Patent: 6,208,585 →
Application: 09/105,344 →
Method of and Apparatus for Independently Determining the Resistivity and/or Dielectric Constant of an Earth Formation
Patent: 6,591,195 →
Application: 10/114,416 →
Publication: US 2003/0004646
Sprung Member and Actuator for Downhole Tools
Patent: 6,761,232 →
Application: 10/292,301 →
Publication: US 2004/0089477
Estimation of Formation Porosity Using Water Measurement
Patent: 6,894,274 →
Application: 10/317,987 →
Publication: US 2004/0113061
Supplemental Referencing Techniques in Borehole Surveying
Patent: 7,002,484 →
Application: 10/368,742 →
Publication: US 2004/0073369
Related Assignments (5)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Feb 10, 2009
From: PATHFINDER ENERGY SERVICES, INC.
To: SMITH INTERNATIONAL, INC.
Reel/Frame 022231/0733 →
Release of Security Interest Mar 27, 2009
From: WELLS FARGO BANK, NATIONAL ASSOCIATION (AS ADMINISTRATIVE AGENT)
To: PATHFINDER ENERGY SERVICES, INC.
Reel/Frame 022460/0304 →
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 →
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 022520/0358 →
Assignment of Assignor's Interest Oct 17, 2012
From: SMITH INTERNATIONAL, INC.
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 029143/0015 →