Mark Identification

DRILLAHEAD

Serial Number

76235458

Filing Date

Apr 4, 2001

Registration Date

Jul 8, 2003

Trademark by

HALLIBURTON ENERGY SERVICES INC.

Classification Information

Services for oil and gas wells, namely, engineered solutions that utilize real-time pressure analysis in the selection of products to strengthen weak formations and casing shoes or repair damaged wellbore sections

Computer and Scientific