Motor pulse controller
Multiple wellbore tool apparatus including a plurality of microp
Nuclear logging tool electronics including programmable gain amp
Remote switch position determination using constant current sign
Rotary downlink system
Sequential hydraulic control system for use in a...
Short hop communication link for downhole MWD system
Supplemental referencing techniques in borehole surveying
Surface acoustic wave pipe identification system
System and method for indirectly determining inclination at the
System and method of communicating between a plurality of comple
System for drilling deivated boreholes
System for drilling deviated boreholes
System for managing borehole information
Telemetry system with a sending station using recursive filter f
Two-source magnetic field guidance system
Underground utility detection system and method employing...
Underwater hydrocarbon production systems
Very high data rate telemetry system for use in a wellbore
Well bore data transmission system