A Study on Forward Problem for Surface-Hole Measurement Data of Polarization Sphere

摘要

Polarization sphere is an ideal model for describing geological targets such as ore bodies, and its forward response signals can provide useful orientation and lithologic information for related geological interpretation in borehole geophysical exploration work. In this paper, we study the fast forward modeling of surface-hole measurement data of polarized spheres. We choose the analytic solution in the spherical coordinate system as the basic algorithm of forward motion, to simulate the responses of the different borehole induced polarization devices (including five direction observation device and symmetric direction observation device) in different conditions. Then, we get systematic summary of pattern for surface-hole measurement data of polarization sphere from the forward modeling results and conversion parameters. The forward calculation result and analysis conclusion can be used as references for relevant researches or actual production work.