SPERRYSIM
Mark Identification

SPERRYSIM

Serial Number

78602721

Filing Date

Apr 6, 2005

Registration Date

Aug 7, 2007

Trademark by

HALLIBURTON ENERGY SERVICES INC.

Active Trademark

Classification Information

Computer software program that uses a drilling motor simulator for choosing various types of drilling conditions, flow rate, and drillstring rotation rate to aid in selecting optimum drilling parameters and objectives for oil and gas drilling operations

Electrical and Scientific Apparatus