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Application

94007113/25, 1994-03-01

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Actual filing date

1994-03-01

(45)

Published

1996-05-27

(72)

Inventor

Khasanov M.M.Kondarattsev S.A.Khisamutdinov N.I.Telin A.G.Latypov A.R.Khatmullin I.F.

(73)

Holder

Vnedrencheskij Nauchno-Issledovatel'Skij Inzhenernyj Tsentr

METHOD OF DETERMINATION OF CURRENT OIL SATURATION OF SEPARATE INTERLAYERS Russian patent published in 1996 - IPC

Abstract RU 2061220 C1

FIELD: study of multi-phase filtration processes, processes of discplacement of oil by water from nonuniform layer stratum, in particular, acco, panied by determination of oil saturation of separate interlayers by rate of product watering. SUBSTANCE: method of determination of current oil saturation of separate interlayers of nonuniform layer stratum depending on type of relationships of current oil saturation of separate interlayers versus product watering consists in plotting relationships taking into accound piston nature of oil displacement. Prior to plotting the relationships, permeability, porosity, power, saturation bonded by water and final oil saturation of each interlayer are determined. To enhanced reliability of the method, relationships of current oil saturation of separate interlayers versus product watering are determined according to the results of mathematical modelling of filtration in nonuniform layer stratum taking into account experimental information on vescosities of water and oil and relative phase permeabilities throughout entire range of charge of permeability determined additionally. EFFECT: enhanced efficiency of check of oil field development. 2 dwg, 1 tbl

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RU 2 061 220 C1

Authors

Khasanov M.M.

Kondarattsev S.A.

Khisamutdinov N.I.

Telin A.G.

Latypov A.R.

Khatmullin I.F.

Dates

1996-05-27—Published

1994-03-01—Filed

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