METHOD FOR DETERMINING KIND OF SATURATION OF RESERVOIR BEDS Russian patent published in 1998 - IPC

Abstract RU 2102777 C1

FIELD: geophysical investigation of wells during their prospecting, estimation of reserves, and planning of deposit development. SUBSTANCE: resistivity and provoked polarization coefficients (within-time space 10^-5-10^-2 s) of drilled section ρ_ds,η_ds, invaded section ρ_is,η_is, and portion constant with respect to drilling fluid ρ_cp,η_cp filtrate penetration are measured, radial gradient of provoked polarization coefficients is determined, and saturation of reservoir beds is recognized by relationship between measured values. EFFECT: facilitated procedure. 5 dwg

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RU 2 102 777 C1

Authors

Shabaev Ju.N.

Kljuchnikov V.A.

Tkachenko A.K.

Miftakhov M.G.

Nikolaev Ju.V.

Dates

1998-01-20—Published

1993-06-30—Filed