Description: Equipment for use in drilling, completing and/or producing oil and gas wells, namely, hydraulic linear actuators, pneumatic linear actuators, pistons, clutches, and collets; gas diverters consisting of a pump, storage and refilling tank, pre-heater, vaporizer, recuperator, condenser and valves for diverting the flow of drilling fluid in a riser pipe beneath a production platform; well tools for suspending casing within a well, namely, subsea and surface wellheads, mudline hangers and connectors for tying mudline hangers back to a production platform at the water surface; subsea wellhead systems including their major components, namely, wellhead housings, permanent guide bases, casing hangers, seal assemblies, and wear bushings; wellhead connectors and seal rings therefor for use on subsea wellheads; valves and valve actuators for installation on oil well drilling and completion equipment; Metal connectors for tubular goods; oil and gas downhole metal goods, namely, expandable liner hanger packers in the nature of expandable metal tubes, metal seals, metal seal rings, and metal mandrels to attach or hang liners within oil and gas wells; metal connectors for well casing; Steel equipment for use in drilling, completing and/or producing oil and gas wells, namely, drilling and production templates
