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Application

2000109729/03, 2000-04-21

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Start date

2000-04-21

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Actual filing date

2000-04-21

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Published

2001-11-27

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Inventor

Ismagilov T.A.Telin A.G.Vakhitov T.M.Vakhitov M.F.Khajrullin I.A.Verija E.I.Farkhutdinov G.N.Pikalev S.A.

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Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju Nauchno-Issledovatel'Skij I Proektno-Inzhenernyj Tsentr

METHOD OF ACID TREATMENT OF BOTTOM-HOLE ZONE OF NONUNIFORM OIL FORMATION Russian patent published in 2001 - IPC

Abstract RU 2176316 C1

FIELD: oil-producing industry. SUBSTANCE: method consists in successive injection into formation of stabilized slime of production of high-ash calcium sulfate detergent-dispersive additive, hydrochloric acid with water-soluble alcohol and surfactant, and then, hydrocarbon solvent. EFFECT: higher efficiency of method due to increased rate of acid reaction with oil-saturated rock especially under conditions of water cutting of well production. 2 cl, 1 tbl, 2 ex

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RU 2 176 316 C1

Authors

Ismagilov T.A.

Telin A.G.

Vakhitov T.M.

Vakhitov M.F.

Khajrullin I.A.

Verija E.I.

Farkhutdinov G.N.

Pikalev S.A.

Dates

2001-11-27—Published

2000-04-21—Filed

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