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2 065 940

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Application

93043799/03, 1993-09-06

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Actual filing date

1993-09-06

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Published

1996-08-27

(72)

Inventor

Dijashev R.N.Sattarova F.M.Mazitov K.G.Khusainov V.M.Sulejmanov K.I.Karimov G.S.Dijashev I.R.

(73)

Holder

Tatarskij Gosudarstvennyj Nauchno-Issledovatel'Skij I Proektnyj Institut Neftjanoj Promyshlennosti

METHOD OF EXTRACTING RESIDUAL OIL Russian patent published in 1996 - IPC

Abstract RU 2065940 C1

FIELD: oil and gas production. SUBSTANCE: method includes pumping in chemical reagents into the bed and pushing them through injection well with water followed by withdrawal of hydrocarbon liquid through productive well. As chemical reagents, 32-33% aqueous ammonium carbonate and 18-19% aqueous hydrochloric acid are used. They are pumped in alternatively by portions. EFFECT: increased oil production.

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RU 2 065 940 C1

Authors

Dijashev R.N.

Sattarova F.M.

Mazitov K.G.

Khusainov V.M.

Sulejmanov K.I.

Karimov G.S.

Dijashev I.R.

Dates

1996-08-27—Published

1993-09-06—Filed

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