90329571
Nov 19, 2020
power-operated downhole tools for use in oil and gas drilling operations and components thereof, namely, servo pulsers used to operate pulsers, rotary servo valve systems used to operate pulsers, pulser drivers used to control pulsers, servo valve assemblies, and flow switch boards; servo pulser systems for use in power-operated drilling tools; servo pulser systems
Machineryoil and gas well measurement equipment and components thereof; measurement-while-drilling tools in the nature of oil and gas well downhole measurement equipment and components thereof; downhole measurement-while-drilling tool components; telemeters and data processors for use as components of oil and gas well drilling tools and measurement equipment
Electrical and Scientific Apparatusrental of oil and gas well drilling tools, downhole measure-while-drilling tool components, and power-operated downhole tools
Building Construction and Repair