Patent Assignment
Reel/Frame 015012/0757
Assignment of Assignor's Interest
Recorded: 2004-02-20
Pages: 2
Assignor
HAUGLAND, SAMUEL MARK
Executed: 2004-02-20
Assignee
PATHFINDER ENERGY SERVICES, INC.
15151 SOMMERMEYER, HOUSTON, TEXAS, 77041
Covered Property
(1)
Shear Wave Velocity Determination Using Multi-Pole Wave
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 →