达扎洛克

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(dar zar ruk') The name given by Maillet to resistivity parameters or curves that deal with layered anisotropic materials. The dar Zarrouk variable is the transversal unit resistance (), the depth integral of the transverse resistivity perpendicular to the strata; the dar Zarrouk function is the longitudinal unit conductance (), the depth integral of the conductivity parallel to the strata; and the dar Zarrouk curve is a plot of the mean resistivity () of the formation down to the depth z, plotted versus the anisotropy coefficient times :

where are layer thicknesses.[1]


References

  1. Maillet, R., 1947, The fundamental equations of electrical prospecting: Geophysics, 12, 529–556.