79156181
May 5, 2014
Polycrystalline diamond compact (PDC) drill bits for earth boring machines or drilling rigs; downhole oil and gas well drilling motors; downhole casing liner hanger machine systems for use during oil and gas wells drilling, composed of liner packers, tie back receptacles, liner hangers, drill pipe wiper plugs, liner wiper plugs, landing collars, float collars, float shoes; oil and gas equipment, namely, hydraulic and electrical pumps and hydraulic and electrical pumping units
MachineryMeasurement-while-drilling equipment used in well bores during drilling of oil and gas wells for providing drilling measurements and downhole telemetry while drilling
Electrical and Scientific ApparatusConstruction supervision of oil and gas wells; directional drilling services for oil and gas wells; repair and maintenance of oil and gas drill bits; fishing operation and services related to oil and gas well drilling, namely, removal of wellbore obstructions; rental of oil and gas well drilling tools, namely, downhole drilling motors; rental of oil and gas drilling equipment; liner hanger running service, namely, installation of oil and gas well liner hangers; rental of oil and gas well drilling equipment, namely, swellable downhole packers for use in oil and gas wells drilling; rental of multi-stage fracturing completion system for use in oil and gas wells drilling; casing running services, namely, oil well casing, tubing, and drill pipe installation; repair of oil well casing and tubing using metal patches; construction management of projects for oil and gas well construction; cementing services for oil and gas wells; oil and gas well coil tubing services; construction of structures for the production of crude oil in the oil and gas field
Building Construction and Repair