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Application

99101501/03, 1999-02-02

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Start date

1999-02-02

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Actual filing date

1999-02-02

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Published

2000-06-20

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Inventor

Vjakhirev V.I.Ippolitov V.V.Dobrynin N.M.Urosov S.A.Kljusov I.A.Zimakova G.A.

(73)

Holder

Dooo Burovaja Kompanija Oao

MULTIFUNCTIONAL ADDITIVE FOR GROUTING MORTAR Russian patent published in 2000 - IPC

Abstract RU 2151270 C1

FIELD: oil and gas production. SUBSTANCE: additive contains 10-30% of quinhydrone (polyatomic aromatic alcohol) and sodium or calcium chloride. EFFECT: reduced dehydration of grouting mortar and increased strength of adhesion of cement stone to casing string. 1 tbl

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RU 2 151 270 C1

Authors

Vjakhirev V.I.

Ippolitov V.V.

Dobrynin N.M.

Urosov S.A.

Kljusov I.A.

Zimakova G.A.

Dates

2000-06-20—Published

1999-02-02—Filed

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