发明名称 Determination of borehole geometry inside cased wells with crosswell electromagnetics
摘要 A method is disclosed for locating a receiver in a borehole having a conductive liner by inducing an electromagnetic field from a transmitter in a first borehole, detecting at a first location by at least one receiver located in a second borehole having a conductive liner, a first electromagnetic field induced by the transmitter, detecting at a second location by the at least one receiver, a second electromagnetic field induced by the transmitter and calculating a set of geometry coordinates for the first location based on the first electromagnetic field and the second electromagnetic field.
申请公布号 US7095232(B2) 申请公布日期 2006.08.22
申请号 US20050098073 申请日期 2005.04.04
申请人 SCHLUMBERGER TECHNOLOGY CORPORATION 发明人 HABER ELDAD;ZHANG PING
分类号 G01V3/08;E21B47/092;G01V3/26 主分类号 G01V3/08
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