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2 143 058

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IPC

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Application

98115223/03, 1998-08-06

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Start date

1998-08-06

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Actual filing date

1998-08-06

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Published

1999-12-20

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Inventor

Khlebnikov V.N.Almaev R.Kh.Bazekina L.V.Pustovalov M.F.Oljunin V.A.Nasibullin A.A.

(73)

Holder

Territorial'Noe Proizvodstvennoe PredprijatieAktsionernaja Neftjanaja Kompanija

COMPOSITION FOR REGULATION OF PERMEABILITY OF NONUNIFORM STRATUM Russian patent published in 1999 - IPC

Abstract RU 2143058 C1

FIELD: oil producing industry. SUBSTANCE: composition contains, mass-%: carbon powder - semiproduct in production of coal bricks from brown coal or coal crumb, 0.5 to 10; sodium hydroxide, 0.05 to 5 and fresh water remainder. EFFECT: enhanced efficiency at medium and later stages of field development. 5 tbl, 3 ex

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RU 2 143 058 C1

Authors

Khlebnikov V.N.

Almaev R.Kh.

Bazekina L.V.

Pustovalov M.F.

Oljunin V.A.

Nasibullin A.A.

Dates

1999-12-20—Published

1998-08-06—Filed

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