In 2D formation moeel, finite element meth od (FEM) is used to simulate the responses of different frequencies of complex r esistivity well logging (CRWL) which works in Dual Laterolog (DLL) mode, th e result of which shows that the responses of CRWL agree with that of DLL when t he frequency is near zero and the responses reduce when the frequency increases . When the formation has some frequency dispersion, complex resistivity logs i n different frequencies can be used to visually identify the layers tha...

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