REDUCING CONDUCTIVE CASING EFFECT IN TRANSIENT CASED-HOLE RESISTIVITY LOGGING
摘要
A first broadband magnetic field is induced at a first transmitter position in a well bore drilled through a formation. A first formation magnetic field induced by the first broadband magnetic field is detected at a first receiver position. A second formation magnetic field induced by the first broadband magnetic field is detected at a second receiver position. A second broadband magnetic field is induced at a second transmitter position in the well bore. A third formation magnetic field induced by the second broadband magnetic field is detected at the first receiver position. A fourth formation magnetic field induced by the second broadband magnetic field is detected at the second receiver position. A formation property is computed using a function of the first, second, third, and fourth formation magnetic fields, wherein the function reduces the effect of a casing on the computation of the formation property.
申请公布号
WO2014081428(A1)
申请公布日期
2014.05.30
申请号
WO2012US66312
申请日期
2012.11.21
申请人
HALLIBURTON ENERGY SERVICES, INC.;WU, DAGANG;BITTAR, MICHAEL, S.