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Title: Development and anlysis of fast, approximate 3D Algorithms for interpretation of multi-component induction logging data

Technical Report ·
DOI:https://doi.org/10.2172/885345· OSTI ID:885345

This report addresses the effects of electrical anisotropy on the 3D inversion of single-well induction logging data when anisotropy is not considered. Of concern are possible artifacts that may lead to an incorrect interpretation of the formation about the borehole. Comparison is made of 3D isotropic inversion on a suite of model data, with and without anisotropy, consisting of an infinite layer and layer terminated at the borehole. In both cases, the layer dip (or well deviation) is varied. Inversion of the anisotropic data result in an overestimate of the layer conductivity, and the lateral extent of the layer about the borehole.

Research Organization:
BOARD OF REGENTS OF THE UNIVERSITY OF WISCONSIN SYSTEM
Sponsoring Organization:
USDOE
DOE Contract Number:
FG36-02ID14415
OSTI ID:
885345
Report Number(s):
144-LH94; TRN: US200719%%190
Country of Publication:
United States
Language:
English