Patent Assignment
Reel/Frame 014482/0539
Assignment of Assignor's Interest
Recorded: 2003-09-04
Pages: 2
Assignor
HAUGLAND, S. MARK
Executed: 2003-09-03
Assignee
PATHFINDER ENERGY SERVICES, INC.
15151 SOMMERMEYER, HOUSTON, TEXAS, 77041
Covered Property
(1)
Adjustment for Frequency Dispersion Effects in Electromagnetic Logging Data
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement
May 10, 2005
From: PATHFINDER ENERGY SERVICES, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 015990/0026 →
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 →
Assignment of Assignor's Interest
Oct 17, 2012
From: SMITH INTERNATIONAL, INC.
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 029143/0015 →