Determining saturation and permeability using mercury capillary

Measuring and testing – With fluid pressure – Porosity or permeability

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G01N 1508

Patent

active

046255443

ABSTRACT:
A method using mercury capillary pressure curves for determining various characteristics of formations. The mercury capillary pressure curve is amplified and small changes are used to compute residual saturation, permeability, Archie's exponent m and the resistivity factor F of the formation.

REFERENCES:
patent: 2604779 (1952-07-01), Purcell
patent: 2641924 (1953-06-01), Reichertz
patent: 3388586 (1968-06-01), Golmard et al.
patent: 3859843 (1975-01-01), Lowell
patent: 3882714 (1975-05-01), Libal et al.
patent: 4170129 (1979-10-01), Lowell et al.
patent: 4203317 (1980-05-01), Gupta
patent: 4211106 (1980-07-01), Swanson

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