Owner Halliburton Energy Services, Inc. a Delaware corporation

Service Spruson & Ferguson

Filing Date 14 June 2005

Class 7 Tools in this class; power-operated downhole tools and multilateral subsurface completion equipment used in the drilling of oil, gas, water and geothermal wells, including such goods comprised of fluid-powered downhole motors, hydromechanical drilling jars, shock tools, drill string collars, flexible collars, taper blade reamers, hole openers, roller reamers, coring jars, core barrels, core bits, roller bits, side-tracking bits, cutters, running tools, nipples, sleeves, couplings, liners, whipstocks, wireline tools, hydraulic retrieving tools, hangers, and deflectors

Class 37 Borehole and well drilling services; coring services

Class 42 Core analysis, surveying, logging and directional drilling, workover of boreholes, measurement while drilling (MWD) services, and data analysis and planning services, all used in relation to oil, gas, water and geothermal well drilling