Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Edward S. Mumby0
Date of Patent
February 10, 2009
0Patent Application Number
114173860
Date Filed
May 4, 2006
0Patent Primary Examiner
Patent abstract
An apparatus for detecting mud pulse telemetry signals includes a differential transducer. In various exemplary embodiments, a high-pressure side of the differential transducer is in fluid communication with either drilling fluid in a standpipe (which is in fluid communication with drilling fluid in the borehole) or a gas chamber of a pulsation dampener. Exemplary embodiments typically further include a pressure delay module in fluid communication with the low-pressure side of the differential transducer and the gas chamber of the pulsation dampener. The invention is intended to advantageously improve the reliability and bandwidth of mud pulse telemetry communications in oilfield drilling applications.
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