7 Oil and gas drilling rigs; power-operated drilling rigs; electric drilling rigs; mechanical drilling rigs; drilling rig equipment, namely, top drives in the nature of a machine used to hoist, lower, and rotate drill pipe, electric power drills, power drill bits, automatic catwalks in the nature of a machine that delivers drill pipe or casing to or from the rig floor and ground level, winches, drawworks, shale shakers, mud pumps and systems sold as a unit for use in oil and gas drilling, and structural parts therefor, namely, motors and masts; walking systems for oil and gas drilling rigs composed of hydraulic systems and bearing used to lift and move a drilling rig; equipment used in oil and gas well improvement and/or completion services and oil or gas well hydraulic fracturing operations, namely, body load blenders, acid and chemical additive transport and storage equipment, sand hauling trucks, sand storage/conveyance equipment, iron (pipe) and trucks to transport the iron, iron manifold equipment, trailer mounted and body communications, command, and control units in the nature of data vans or other mobile units, and cement storage bins
Trademark: 86654781
