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Application

2000109727/03, 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

Telin A.G.Ismagilov T.A.Vakhitov T.M.Vakhitov M.F.Khajrullin I.A.Farkhutdinov G.N.Pikalev S.A.Akhmetov N.Z.

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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 2176314 C1

FIELD: oil-producing industry. SUBSTANCE: method is realized by successive injection into formation of polyglycerin or polyglycol, hydrochloric acid with addition of surfactant and polyglycerin or polyglycol with subsequent injection of hydrocarbon solvent. EFFECT: higher efficiency of method due to increased rate of acid reaction with oil-saturated rock. 1 tbl, 2 ex

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RU 2 176 314 C1

Authors

Telin A.G.

Ismagilov T.A.

Vakhitov T.M.

Vakhitov M.F.

Khajrullin I.A.

Farkhutdinov G.N.

Pikalev S.A.

Akhmetov N.Z.

Dates

2001-11-27—Published

2000-04-21—Filed

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