Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Benoit Froelich0
Franck Monmont0
Songming Huang0
Date of Patent
March 18, 2008
0Patent Application Number
105245810
Date Filed
August 19, 2003
0Patent Primary Examiner
Patent abstract
A surface mud pipeline system is described with a mechanical acoustic filter (1245) tuned to a predetermined frequency band so as to attenuate pump noise (132) within this band. The filter can be combined with a Venturi constriction to provide enhanced attenuation and is used to improve signal transmission of a mud pulse telemetry system (113-2).
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