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2 154 728

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C1

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IPC

(21) (22)

Application

99117164/03, 1999-08-09

(24)

Start date

1999-08-09

(22)

Actual filing date

1999-08-09

(45)

Published

2000-08-20

(72)

Inventor

Prokshina N.V.Pavlychev V.N.Umetbaev V.G.Nazmetdinov R.M.Kamaletdinova R.M.Strizhnev V.A.Merzljakov V.F.Volochkov N.S.Islamov F.Ja.Plotnikov I.G.Shuvalov A.V.Shaposhnikov G.A.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Aktsionernaja Neftjanaja Kompanija

GROUTING MORTAR Russian patent published in 2000 - IPC

Abstract RU 2154728 C1

FIELD: oil and gas production. SUBSTANCE: mortar contains 100 wt parts of cement, 30-20 wt parts of water, and 20-30 wt parts of sodium nitrite-containing additive. The latter has density 1183 kg/cu.m and contains, wt %: sodium nitrite 15.2-22.3, sodium nitrate 0.69-1.96, sodium sulfate 4,76, sodium chloride 0.08-8.25, and sodium carbonate 0.40-1.57. EFFECT: increased adhesion and strength of cement stone. 3 tbl

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RU 2 154 728 C1

Authors

Prokshina N.V.

Pavlychev V.N.

Umetbaev V.G.

Nazmetdinov R.M.

Kamaletdinova R.M.

Strizhnev V.A.

Merzljakov V.F.

Volochkov N.S.

Islamov F.Ja.

Plotnikov I.G.

Shuvalov A.V.

Shaposhnikov G.A.

Dates

2000-08-20—Published

1999-08-09—Filed

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