WEATHERFORD

Machines for cleaning various types of surfaces using water pressure; oil well drilling equipment, namely, chain tongs, power operated drill pipe spinning wrenches; oilfield fluid end products, namely, chemical injection pumps and parts therefor, mud pump pistons and pump liners; electric and diesel power generators for oilfield equipment; vertical pipe-handling equipment having power-operated rotatable gripping head and stabbing boards; oilfield cementation equipment, namely, centralizers for casing and tubing, cement baskets, scratchers, wellbore wipers, and stop collars; oilfield float equipment, namely, float shoes, float collars, guide shoes, baffle collars, and stage cementing tools; oilfield cementing plugs, drill pipe/casing protectors, control line and sucker rod protectors; portable thread cleaners for cleaning threaded connections of oilfield tubulars, consisting of power drive assembly, brush housings and solvent tank therefor; oilfield production equipment, namely, wellhead and plant dehydrators, vertical oil treaters, production units comprised primarily of separators and heaters, sand traps, free-water knockouts, and pigging systems comprised of pigging units and drilling valves; oil well completion equipment, namely, packers, flow control equipment, subsurface valves, and sliding sleeves; casing patches, casing liners, and well screens; expandable tubular products, namely, sand screens, casing patches, and expandable liners and liner hangers; casing liner hangers; top drive units; rotating control heads; blowout preventors; downhole motors and turbines for drilling; oil well fishing, cutting and rental equipment, namely, mills, whipstocks and jars; fluid recovery system, namely, downhole pumps with surface drive units, jet pumps, hydraulic pumps, and electric motors with pumps

Oilfield pressure testing apparatus for testing of tubulars, blowout preventors, wellheads, Christmas trees, manifolds, lubricators, and other pressure vessels; oilfield production equipment, namely, pressure vessels, well-testing units, and metering separators; automatic wellhead pressure relief valves