Inthispaper,responsesofanewdual-inductionresistivitylogging-while-drilling（LWD）toolin3Dinhomogeneousformationmodelsaresimulatedbythevectorfiniteelementmethod（VFEM）,theinfluencesoftheborehole,invadedzone,surroundingstrata,andtooleccentricityareanalyzed,andcalibrationloopparametersandcalibrationcoefficientsoftheLWDtoolarediscussed.TheresultsshowthatthetoolhasagreaterdepthofinvestigationthanthatoftheexistingelectromagneticpropagationLWDtoolsandismoresensitivetoazimuthalconductivity.Bothdeepandmediuminductionresponseshavelinearrelationshipswiththeformationconductivity,consideringoptimalcalibrationloopparametersandcalibrationcoefficients.Duetothedifferentdepthsofinvestigationandresolution,deepinductionandmediuminductionareaffecteddifferentlybytheformationmodelparameters,therebyhavingdifferentcorrectionfactors.Thesimulationresultscanprovidetheoreticalreferencesfortheresearchandinterpretationofthedual-inductionresistivityLWDtools.
