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2 039 207

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C1

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IPC

(21) (22)

Application

5029954/03, 1992-03-02

(22)

Actual filing date

1992-03-02

(45)

Published

1995-07-09

(72)

Inventor

Okishev N.A.Ivanov A.G.Karpenko I.V.

(73)

Holder

Kompleksnaja Tematicheskaja Ehkspeditsija Gosudarstvennogo Geologicheskogo Predprijatija

GROUTING MORTAR Russian patent published in 1995 - IPC

Abstract RU 2039207 C1

FIELD: oil and gass boreholes drilling. SUBSTANCE: grouting mortar has following components, mass Portland cement 49.7 66.3, polyethylene oxide 0.124 0.260, water-soluble polyelectrolyte of ВПК-402 cationic type, based on dimethyldiallylammoniumchloride 0.31 0.69, nitriletrimethylphosphoric acid 0.003 0.011 and water the rest. Features of grouting mortar: density 1,52-1,64 g/cm3, sedimentary stability 2.0 3.5 EFFECT: grouting mortar is used for isolation of oil and gas boreholes previous seams. 1 tbl

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RU 2 039 207 C1

Authors

Okishev N.A.

Ivanov A.G.

Karpenko I.V.

Dates

1995-07-09—Published

1992-03-02—Filed

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