Method for locating thin bed hydrocarbon reserves utilizing elec

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – With radiant energy or nonconductive-type transmitter

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G01V 330

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055504736

ABSTRACT:
A method of locating thin bed hydrocarbon reserves in laminated subterranean formations comprising thin beds. The method comprised of drilling a well penetrating the subterranean formations, measuring the parallel and perpendicular resistivity across multiple thin beds, and locating regions of the thin beds where the perpendicular resistivity is substantially greater than the parallel resistivity.

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patent: 5285848 (1994-02-01), Chang
J. D. Klein, P. R. Martin and D. F. Allen, The Petrophysics of Electrically Anisotropic Reservoirs, pp. 1-12 SPWLA 36th Annual Logging Symposium Jun. 1995.
Teruhiko Hagiwara, Response of 2 MHz Resistivity Devices In Thinly Laminated Formations (Anisotropic Resisitivity and EM Log Interpretation), pp. 667-676 SPWLA Symposium Jun. 1990.
J. D. Klein, Saturation Effects On Electrical Anisotrophy, Mar. 15, 1995.
James D. Klein, Induction Log Anisotropy Corrections, Mar.-Apr. 1993, pp. 18-27, The Log Analyst.
Michael S. Bittar and Paul F. Rodney, The Effects Of Rock Anisotropy On MWD Electromagnetic Wave Resistivity Sensors, Jun. 19-22, 1994, pp. 1-18, SPWLA Symposium.
D. F. Allen, Laminated Sand Analysis, Jun. 10-13, 1994, pp. 1-20, SPWLA Symposium.
Arne Fylling, Estimating Conductivity And Saturations In The Sands Of Thinly Laminated, Dipping Sand/Shale Sequences, Jun. 16-19, 1991, pp. 1-25, SPWLA Symposium.
Barbara Anderson, Stephen Bonner, Martin G. Luling & Richard Rosthal, Response Of 2-MHz LWD Resistivity and Wireline Induction Tools In Dipping Beds And Laminated Formations, Jun. 24-27, 1990 pp. 1-25, SPWLA Symposium.

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