Pressure pulse generator for MWD
Self-contained downhole sensor and method of placing and...
Simultaneous digitizing apparatus for an acoustic tool
Simultaneous digitizing apparatus for an acoustic tool
Surface real-time processing of downhole data
Synchronous CDMA telemetry system for use in a wellbore
Telemetry driving circuit
Time-domain signal cancellation in downhole telemetry systems
Toroidal coupled telemetry apparatus
Well logging communication system