7 Power-operated oil and gas well completion machine tools being structural parts of oilfield wellhead machines or specially adapted therefor, namely, downhole boring tools, downhole oil separators for submersible pumps, oil production packers, open hole packers, bridge plugs, power-driven wrenches, power drill bits, glow plugs, plugs being structural parts of power-operated oil and gas well completion machine tools, unloaders specially adapted for drill rig machines, and hydraulic valves; power-operated oil and gas well completion machines in the nature of oil and gas treating machines; intelligent power-operated oil and gas well completion machine tools being structural parts of oilfield wellhead machines or specially adapted therefor in the nature of oil production packers and sleeves therefor, sold as a unit with downhole sensors used to isolate, monitor and control a well for increased productivity; oil and gas well completion machine tools being structural parts of oilfield wellhead machines or specially adapted therefor, namely, open hole packers, straddle open hole packers, drilling fracports, ball landing seats, wireline retrievable ball landing seats, ball bearings, casings for ball bearings, oil circulating valves and tubes, centralizers being centering drilling bits, and hydraulic anchors, including open hole anchors, in the nature of crimp tools specially adapted for oilfield wellhead machines, all of the foregoing sold as a unit; power-operated oil and gas well downhole completion machine tools being structural parts of oilfield wellhead machines or specially adapted therefor, namely, oil production packers, open hole packers, drill sockets, wrenches, tool bits, glow plugs, unloaders, tubing assemblies for use in treating machine tools, open hole packers, hydraulic valves, hydraulic anchors in the nature of crimp tools, pump control valves enabling flow disconnections, polished bore receptacles, on-off pressure switches as parts of machines, centralizers being centering drilling bits, machine circulation subs for controlling fluid flowpath, cement retainers, and bridge plugs, all of the foregoing sold together as a unit; power-operated oil and gas well completion machine tools being structural parts of oilfield wellhead machines or parts specially adapted therefor, namely, open hole packers, drilling fracports, ball bearings, casings for ball bearings, machine tubing, circulating valves, centralizers being centering drilling bits, wireline retrievable ball landing seats, and hydraulic anchors, including open hole anchors, in the nature of crimp tools; flow control equipment being structural parts of oilfield wellhead machines, namely, fluid couplings for fluid flow, oil drain tubing, oil drain tubing anchors in the nature of crimp tools, and pump out plugs; structural parts of oil and gas well drilling machines, namely, blast joints, oil drain tubing pup joints, sliding sleeves in the nature of fracports, profile landing nipples for plugs, and combo sleeves in the nature of insertion and puller sleeves for ball bearings; structural parts of oil well and gas well drilling machines, namely, thermal injection valves, open hole packers, down hole packers, shifting tools to open, close, or shift the position of downhole flow control sliding sleeves, and steam injection valves
Trademark: 88818412
