Method for analyzing thinly bedded sand/shale formations

Details Method for analyzing thinly bedded sand/shale formations Method for analyzing thinly bedded sand/shale formations

1986-05-29

1988-04-19

Levy, Stewart J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With permanent magnet

324339, E21B 4900

Patent

active

047392550

ABSTRACT:
A parallel conductance model of thinly laminated sand/shale sequences utilizes a sand/shale ratio, such as from a borehole televiewer or microelectric scanning tool, to derive sand layer resistivity from otherwise featureless logs of such thinly laminated formations.

REFERENCES:
patent: 3895289 (1975-07-01), Rickey et al.
patent: 4314339 (1982-02-01), Kenyon
patent: 4482959 (1984-11-01), Minne
patent: 4495604 (1985-01-01), Dumanoir
patent: 4584874 (1986-04-01), Ruhovets
Log Interpretation, vol. I, Principles, Schlumberger Limited, 1972.
E. A. Vajnar et al., Surprising Productivity from Low-Resistivity Sands, SPWLA, 18th Annual Symposium, Jun. 5-8, 1977.
J. C. Gauntt et al., The Use of Core Analysis Data . . . Central Oklahoma, SPWLA 4th Annual Symposium, May 23-24, 1963.

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