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

Casing mounted sensors, actuators and generators

Communication abnormality detecting/coping device and vacuum...

Data acquisition apparatus

Digital signal receiver for measurement while drilling...

High speed communication for measurement while drilling

Identification of the channel frequency response using...

Inductively coupled underwater modem

Monitoring performance of downhole equipment

Redundant downhole production well control system and method

SP noise cancellation technique

System and method for transmitting downhole data to the surface

System for configuring hardware in a downhole tool

Well control systems employing downhole network

Wireline cycle life counter