Abstract
The magnetometric resistivity (MMR) methods measure the magnetic field of the galvanic current flow introduced by current electrodes in the ground. The downhole MMR version overcomes some of the limitations imposed by a conductive overburden on the surface MMR methods. This paper is concerned with downhole MMR responses of buried conductors. The model considered is an infinitely conductive half‐plane conductor in a uniform whole‐space host, as an ideal representation of a plate‐like conductive orebody buried deep underground. Exact analytical downhole MMR responses are derived for arbitrary locations of current electrode sources and magnetic field sensors. Type curves are shown for various source‐sensor‐target orientations to illustrate some characteristics of the responses.
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