基于非结构化有限元的三维井地电阻率法约束反演

王智, 王程, 方思南

Constraint inversion of three-dimensional borehole-to-surface resistivity based on unstructured finite element

WANG Zhi, WANG Cheng, FANG Si-Nan

图8 井—地二极装置传统正则化反演与约束反演结果 a—传统正则化反演x=400 m处yoz剖面; b—传统正则化反演x=600 m处yoz剖面;c—约束反演x=400 m处yoz剖面; d—约束反演x=600 m处yoz剖面

Fig.8 Traditional regularized inversion and constrained inversion results of well-surface with pole-pole device a—traditional resistivity inversion results:cross-section profile yoz at x=400 m; b—traditional resistivity inversion results:cross-section profile yoz at x=600 m;c—constrained inversion: cross-section profile yoz at x=400 m;d—constrained inversion:cross-section profile yoz at x=600 m