Acoustic sensing system for downhole seismic applications...

Acoustic telemetry systems and methods with surface noise...

Adaptive acoustic transmitter controller apparatus and method

Adjacent well electromagnetic telemetry system and method for us

Apparatus and method for determining the position and orientatio

Apparatus and method for down-hole EM telemetry while drilling

Apparatus and method for downhole well equipment and process...

Apparatus and method for monitoring acoustic energy in a...

Apparatus and method for providing communication between a...

Apparatus and method for retrieving and/or communicating with do

Apparatus and method for transmitting information to and...

Apparatus and method for transmitting information to and...

Apparatus and methods for self-powered communication and...

Apparatus and methods for self-powered communication and...

Apparatus and system for making at-bit measurements while drilli

Apparatus for extracting recorded information from a logging too

Apparatus for inductively coupling signals between a downhole se

Apparatus for interfacing with a transmission path

Apparatuses and systems for reducing power consumption in remote

Bipolar signal amplification or generation