Method and apparatus enhanced acoustic mud pulse telemetry

Details Method and apparatus enhanced acoustic mud pulse telemetry Method and apparatus enhanced acoustic mud pulse telemetry

2006-10-17

2006-10-17

Garber, Wendy R. (Department: 2635)

Communications: electrical

Wellbore telemetering or control

Using a specific transmission medium

C367S083000, C367S085000

Reexamination Certificate

active

07123161

ABSTRACT:
A method and system for telemetry through a drilling fluid during drilling is disclosed. A reflector (110) is positioned downstream from the drilling mud pumps (80) and causes reflected pressure waves having the same pressure polarity as incident pressure waves traveling upwards. At least one pressure sensor (92) is positioned below the reflector (110) to sense pressure in the drilling fluid. The reflector can be a fixed orifice plate or an adjustable aperture.

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