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2 182 654

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Application

2000127627/03, 2000-11-02

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Start date

2000-11-02

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Actual filing date

2000-11-02

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Published

2002-05-20

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Inventor

Jakimenko G.Kh.Luk'Janov Ju.V.Gafurov O.G.Imamov R.Z.Abyzbaev I.I.Khisaeva D.A.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Neftjanaja Kompanija

PROCESS OF CONTROL OVER PENETRABILITY OF INHOMOGENEOUS POOL Russian patent published in 2002 - IPC

Abstract RU 2182654 C1

FIELD: oil production, technology of forcing residual oil from pools inhomogeneous in penetrability by way of plugging flooded collector with highly efficient composition of chemical reagents. SUBSTANCE: process of control over penetrability of inhomogeneous pool is realized by way of successive pumping oil edge , gel-forming mortar carrying aluminosilicates, hydrochloric acid and water into pool through production well. Edge of solvent is injected after gel-forming mortar. Gel-forming mortar includes mentioned above reagents in following proportion, mas.%: aluminosilicates, 2.0-4.0; hydrochloric acid, 4.0-8.0; water, the balance. Technical result of process consists in increase of output of flooded oil pools with zonal inhomogeneity of penetrability thanks to more complete driving of oil from stagnant poorly drained zones of deposit by pumping highly efficient compositions of chemical reagents with selective action into production wells. EFFECT: increased oil output. 1 tbl

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RU 2 182 654 C1

Authors

Jakimenko G.Kh.

Luk'Janov Ju.V.

Gafurov O.G.

Imamov R.Z.

Abyzbaev I.I.

Khisaeva D.A.

Dates

2002-05-20—Published

2000-11-02—Filed

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