PCE
Mark Identification

PCE

Serial Number

77056377

Filing Date

Dec 4, 2006

Registration Date

Jan 5, 2010

Trademark by

NATIONAL OILWELL VARCO L.P.

Classification Information

Machine tools used in completion and downhole intervention for the purposes of maintenance, repair, or stimulation of an existing well, namely, valves being parts of machine tools that are used to regulate circulation in coiled tubing, connectors used to connect coiled tubing, and joints designed to withstand the torque of coiled tubing and slickline when joined together, all for use with wellbore conveyancing equipment such as coiled tubing and slicklines; machine tools used in completion and downhole intervention for the purposes of maintenance, repair, or stimulation of an existing well, namely, jars and intensifiers used to deliver an impact force on toolstrings in order to free objects stuck in the borehole; machine tool parts used in completion and downhole intervention for the purposes of maintenance, repair, or stimulation of an existing well, namely, shock absorbers used to protect downhole tools during wireline operations; machine tools used in completion and downhole intervention for the purposes of maintenance, repair, or stimulation of an existing well, namely, fishing tools in the nature of inside grappling claws, and force intensifiers and jars used to aid the recovery of lost downhole equipment; machine tools used in completion and downhole intervention for the purposes of maintenance, repair, or stimulation of an existing well, namely, weight bars used to add weight to toolstrings and centralizers used to keep a tool string in the center of the tubing, casing, and wellbores; machine tools used in completion and downhole intervention for the purposes of maintenance, repair, or stimulation of an existing well, namely, power-operated kick-over tools used to set and retrieve gas lift valves downhole; machine tools used in completion and downhole intervention for the purposes of maintenance, repair, or stimulation of an existing well, namely, hangers in the nature of casing, instrument, liner, and tubing hangers on which downhole gauges and instruments are attached; machine tools used in completion and downhole intervention for the purposes of maintenance, repair, or stimulation of an existing well, namely, submersible pumps, isolation sleeves used to isolate parts of casing and tubing string for maintenance, power-operated rope sockets used to attach machine tools to the wireline and slickline, motorhead assemblies on coiled tubing used to connect the coiled tubing to bottom hole assemblies, power-operated wash tools for cleaning the inside of tubing, power-operated toolstrings used for lowering tools into the well, power-operated tubing perforators used to perforate holes in tubing, conveying machine tools for setting, guiding, anchoring, locating, loosening, retrieving, and bypassing other downhole tools and mechanical devices in wellbores; machine tools used in completion and downhole intervention for the purposes of maintenance, repair, or stimulation of an existing well, namely, bypass machine tools and parts therefor in the nature of Y-tools, bypass tubing, tubing clamps, telescopic swivel nipples, blanking plugs, and logging plugs, all used to access the wellbore below the electrical submersible pump

Machinery

Flow controllers in the nature of liquid flow regulators used in coiled tubing to control the flow of reservoir and completion fluids in a wellbore, all for use in completion and downhole intervention for the purposes of maintenance, repair, or stimulation of an existing well

Electrical and Scientific Apparatus

Service and repair of wireline, coiled tubing, and oilfield intervention equipment for the purposes of maintenance, repair, and stimulation of an existing well; rental of wireline equipment, coiled tubing equipment and oilfield intervention equipment for the purposes of maintenance, repair, and stimulation of an existing well

Building Construction and Repair

Manufacturing services for others of downhole and oilfield intervention equipment used for the purposes of maintenance, repair, and stimulation of an existing well

Treatment of Materials

Design and engineering of downhole and oilfield intervention equipment that may be used for the purposes of maintenance, repair, and stimulation of an existing well

Computer and Scientific