9 Electronic devices for monitoring wellbore data, namely, measuring apparatus for measuring pressure, temperature, and vibration; electric frequency converter for controlling the speed of an electric motor, in the nature of electronic frequency converters for high velocity electric motors; electric variable speed controller for oilfield surface and downhole wellbore equipment, in the nature of electronic speed controllers; electronic controller for use in the oil and gas industry for monitoring wellbore data, data from surface equipment, and data from wellbore equipment, in the nature of electronic control systems for machines; electronic downhole sensors for detecting operating parameters downhole in a well using artificial lift; subsurface oilfield gauges, namely, gauges that can be used to detect temperature, pressure, vibration, movement of selected items, and movement in select areas of a wellbore, in the nature of gauges for detecting temperature, pressure, vibration, and movement in a wellbore
Trademark: 97799610
