发明名称 SYSTEM AND METHOD FOR RECEIVING AND DECODING ELECTROMAGNETIC TRANSMISSIONS WITHIN A WELL
摘要 <p>Exemplary systems and methods are directed to transmission of electromagnetic (EM) pulses in a downhole environment, which is located below a surface of a landform. A sequence of EM energy pulses is generated from a signal generator located at the surface of the landform. The energy pulses are reflected at a ring frequency by one or more downhole transducers. The reflected energy pulse is received at a receiver, which is located at the surface, during a predetermined time interval. The receiver detects the received energy pulses through a time domain or frequency domain technique. The detected ring frequency is correlated to a parameter or condition of the downhole environment.</p>
申请公布号 EP2137552(A1) 申请公布日期 2009.12.30
申请号 EP20080742801 申请日期 2008.04.11
申请人 CHEVRON U.S.A. INC. 发明人 THOMPSON, CLARK, M.;COATES, DON, M.;BECK, DAVID, W.
分类号 G01V1/00;E21B47/12;G01V11/00 主分类号 G01V1/00
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