Release of Security Interest

Recorded: 2009-04-08 Received: 2009-04-08 Pages: 4

Assignor

Executed: 2008-08-22

Assignee

THOMAS ENERGY SERVICES, INC.

8550 UNITED PLAZA BLVD., BLDG. II, STE. 305, BATON ROUGE, LA, 70809, UNITED STATES

Covered Properties (2)

Acid Based Micro-Emulsions of Surfactants and Solvents

Application: 10/612,426 →

Magnetic Sensor System Useful for Detecting Tool Joints in a Downhole Tubing String

Application: 10/125,005 →