Mark Identification

INTELLIDRILL

Serial Number

78016360

Filing Date

Jul 12, 2000

Registration Date

Oct 8, 2002

Trademark by

INTELLISERV INTERNATIONAL HOLDING LTD.

Classification Information

Custom manufacturing of downhole string components such as casing, tubing, drill pipe, heavy weight drill pipe, drill collars and other downhole tools adapted for power and data communications

Treatment of Materials

Engineering and design of downhole string components such as casing, tubing, drill pipe, heavy-weight drill pipe, drill collars, and other downhole tools adapted for power and data communication

Computer and Scientific