Electromagnetic signal pickup device
Electromagnetic signal repeater and method for use of same
Electromagnetic telemetry apparatus and methods for...
Electromagnetic wellbore telemetry system for tubular strings
Electromagnetic wellbore telemetry system for tubular strings
Electromagnetic-to-acoustic and acoustic-to-electromagnetic...
Electronic device enabling hardware and methods
Electronic well tools and multi-channel recorder
Fail safe downhole signal repeater
Filters for canceling multiple noise sources in borehole...
Formation data sensing with deployed remote sensors during well
Frequency division multiplex digital seismic telemetry system
Frequency regulation of an oscillator for use in MWD...
Fused and sealed connector system for permanent reservoir...
Gas kick detector
Gas/oil well monitoring system
Geophone borehole cable
High data rate acoustic telemetry system using multipulse...
High data rate wireline telemetry system
High impact communication and control system