Analytic approximation of green-function in well logging electric direct problem for the case of continuous radial resistivity profile

Balázs, L. (2007) Analytic approximation of green-function in well logging electric direct problem for the case of continuous radial resistivity profile. Acta Geodaetica et Geophysica Hungarica, 42 (3). pp. 309-322. ISSN 1217-8977

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Abstract

In this article the approximating solution of electrical logging direct problem is presented which is applicable in the case of different continuous radial resistivity profiles. The Green function of the direct problem is derived in the environments mentioned above for different electrode radii, which is the basic function in the apparent resistivity calculation of various electrical sondes. The results also could be the useful for the resistivity profile inversion, and sensitivity analysis.

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