Mark Identification

DEPTHPRO

Serial Number

78230879

Filing Date

Mar 27, 2003

Registration Date

Mar 16, 2004

Trademark by

HALLIBURTON ENERGY SERVICES INC.

Active Trademark

Classification Information

Oil and gas well services, namely, location of equipment and points in the wellbore utilizing a pressure pulse tool, which features wireless coiled tubing collar locator technology

Building Construction and Repair