High data rate acoustic telemetry system
High efficiency acoustic transmitting system and method
High impact communication and control system
High impact communication and control system
High-speed, downhole, cross well measurement system
Hydraulic acoustic wave generator system for drillstrings
Hydraulic impulse generator and frequency sweep mechanism...
Hydraulic oscillator for use in a transmitter valve
Hydraulic oscillator for use in a transmitter valve
Hydraulically balanced reciprocating pulser valve for mud...
Hydrophone for use in a downhole tool
Hydrophone for use in a downhole tool