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2 165 479

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IPC

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Application

99105508/02, 1999-03-11

(24)

Start date

1999-03-11

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Actual filing date

1999-03-11

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Published

2001-04-20

(72)

Inventor

Safonov E.N.Almaev R.Kh.Bazekina L.V.Khokhlov N.G.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Neftjanaja Kompanija

METHOD OF PROTECTION OF INNER SURFACE OF RESERVOIR BOTTOM FROM CORROSION Russian patent published in 2001 - IPC

Abstract RU 2165479 C2

FIELD: petroleum production and petroleum refining industries. SUBSTANCE: method comprises forming free suspension liquid layer on reservoir bottom. Layer comprises, wt %: bentonite clay, 50-55; barite meal, 15-33; polyacrylamide, 0.05-0.1; corrosion inhibitor, 0.3-0.5; and water, the balance. Method is efficient both for water and petroleum reservoirs, simple and technological. EFFECT: more efficient protection method. 1 tbl

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RU 2 165 479 C2

Authors

Safonov E.N.

Almaev R.Kh.

Bazekina L.V.

Khokhlov N.G.

Dates

2001-04-20—Published

1999-03-11—Filed

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