Mark Identification

TUNED

Serial Number

76313456

Filing Date

Sep 18, 2001

Registration Date

Jan 6, 2004

Trademark by

HALLIBURTON ENERGY SERVICES INC.

Active Trademark

Classification Information

Oil and gas well services, namely, software design and design of rheology control technology for use in oil, water, and synthetic-based drilling fluids for cementing operations

Computer and Scientific