SPERRY DRILLING

Power-operated downhole tools and multilateral subsurface completion equipment used in the drilling of oil, gas, water, and geothermal wells, namely 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