Patent Assignment
Reel/Frame 013225/0685
Assignment of Assignor's Interest
Recorded: 2002-08-19
Pages: 6
Assignors
HUANG, TIANPING
Executed: 2002-08-15
MCELFRESH, PAUL M.
Executed: 2002-08-15
GABRYSCH, ALLEN D.
Executed: 2002-08-15
Assignee
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, SUITE 1200, HOUSTON, TEXAS, 77027-5133
Covered Property
(1)
Organic Acid System for High Temperature Acidizing
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 22, 2010
From: BAKER HUGHES INCORPORATED
To: SUPERIOR ENERGY SERVICES, L.L.C.
Reel/Frame 025388/0748 →
Amended and Restated Security Agreement
Mar 1, 2012
From: CONNECTION TECHNOLOGY, L.L.C.; FASTORQ, L.L.C.; PRODUCTION MANAGEMENT INDUSTRIES, L.L.C.; SUPERIOR ENERGY SERVICES, L.L.C. (SUCCESSOR BY MERGER TO SUPERIOR WELL SERVICES, INC., CARDINAL SERVICES, INC. AND STEERABLE ROTARY TOOLS, INC.)
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 027793/0211 →
Security Interest
Feb 25, 2016
From: INTEGRATED PRODUCTION SERVICES, INC.; SUPERIOR ENERGY SERVICES, L.L.C.; SUPERIOR ENERGY SERVICES-NORTH AMERICA SERVICES, INC.; WARRIOR ENERGY SERVICES CORPORATION
To: JPMORGAN CHASE BANK, N.A. AS ADMINISTRATIVE AGENT
Reel/Frame 037927/0088 →