Data encoding and synchronization for pulse telemetry
Data transmission in a drill string
Detection means for mud pulse telemetry system
Determining contact levels of fluids in an oil reservoir using a
Device for remote transmission of information
Direct radiator system and methods for measuring during drilling
Directional acoustic telemetry receiver
Distributed downhole drilling network
Double guided mud pulse valve
Downhole data communication
Downhole drilling network using burst modulation techniques
Downhole pipe selection for acoustic telemetry
Downhole telemetry system for wired tubing
Downhole tool
Downhole tool
Downhole tool
Downhole tool and method
Downhole tool and method
Downhole vibration monitoring of a drillstring
Downlink telemetry system