GRAY

PETROLEUM WELLHEAD EQUIPMENT-NAMELY, CASING HEAD HOUSINGS, CASING HEADS, CASING HANGERS, TIE-BACK COLLARS, TIE-BACK SUBS, CASING BONNETS, CASING HEAD SPOOLS, TUBING HEADS, TUBING HANGERS, TUBING HEAD BONNETS, TUBING PLUGS, VALVE REINSTALLATION NIPPLES AND PLUGS, VALVE REMOVAL PLUGS, MULTIPLE BOWL WELLHEADS (CASING-TUBING HEADS), FLOW CONTROL MANIFOLDS. MULTIPLE ZONE COMPLETION TUBING ASSEMBLIES, MULTIPLE COMPLETION TUBING HANGERS SYSTEMS, TUBING BONNET HOLD DOWN FLANGES, TOP FLANGES, THREADED FITTINGS, FLANGED FITTINGS, STUDDED FITTINGS, DOUBLE TAPERED SEALS, CHOKES AND CHOKE BEANS AND CHOKE BEAN NIPPLES, FLANGES AND NIPPLES, FOR VALVES-NAMELY, GATE VALVES, FLOAT VALVES AND CHECK VALVES, AND FOR REMOTE CONTROLLED CONDUIT CONNECTORS

PETROLEUM WELL DRILLING AND COMPLETION EQUIPMENT-NAMELY, CONTROL EQUIPMENT TEST HANGERS, TUBING PLUGGING TOOLS, VALVE REMOVAL TOOLS, DRILLING ADAPTERS, TUBING HEAD BOWL ADAPTERS, STRIPPERS, HEAD BOWL PROTECTORS, RUNNING AND RETRIEVING TOOLS, AND ROTARY DRILLING SWIVELS