87854929
Mar 29, 2018
Automated pipe tripping apparatus, namely, an outer frame consisting of one or more vertical supports and an inner frame consisting of tripping slips including forcing rings, slip jaws, iron roughnecks, fixed jaws, breakout jaws, pipe spinner, mud bucket; drills, drill bits, drill heads and drill strings for use in drilling oil or gas wells and pumping oil
MachineryLogging tools, namely, computer hardware and software to vary speed of a tubular member moving into or out of a wellbore, to define a tripping speed, to vary a tripping speed in response to pressure variations within the wellbore as measured by one or more pressure sensors coupled to a tubular member positioned within a wellbore of an oil or gas well
Electrical and Scientific ApparatusInstallation, removal, repair, and maintenance of drilling machines and drilling tools in connection with drilling oil and gas wells for others; drilling of oil or gas wells for others; installation, removal, repair, and maintenance of automated pipe tripping apparatus for conveying drilling tools in connection with drilling oil or gas wells for others; installation, removal, repair, and maintenance of drills, drill bits, drill heads, and drill strings in connection with drilling oil or gas wells for others; oil and gas drilling services
Building Construction and Repair