发明名称 PUMP NOISE REDUCTION AND CANCELLATION
摘要 A method for transmitting data from a downhole component includes: measuring a borehole fluid pressure by a receiver at a selected sampling rate and estimating a pressure signal transmitted through the fluid based on the sampled fluid pressures; measuring, by at least one pump stroke sensor, operation of a pump configured to advance fluid through the borehole; identifying individual stroke events from the pump stroke sensor measurement; generating a digital pump stroke signal in response to detecting one or more stroke events, each pump stroke signal including a digital time value associated with each of one or more stroke events; and transmitting the pump stroke signal to the receiver.
申请公布号 US2014017092(A1) 申请公布日期 2014.01.16
申请号 US201213548906 申请日期 2012.07.13
申请人 BRACKEL HANS-UWE;BAKER HUGHES INCORPORATED 发明人 BRACKEL HANS-UWE
分类号 F04B49/06 主分类号 F04B49/06
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