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2 165 006

(13)

(51)

IPC

(21) (22)

Application

99117752/03, 1999-08-13

(24)

Start date

1999-08-13

(22)

Actual filing date

1999-08-13

(45)

Published

2001-04-10

(72)

Inventor

Ostrjagin A.I.Romanov V.G.Rekin A.S.Rjabova L.I.

(73)

Holder

Ostrjagin Anatolij IvanovichRomanov Vjacheslav Grigor'EvichRekin Aleksandr SergeevichRjabova Ljubov' Ivanovna

THINNED PLUGGING COMPOSITION Russian patent published in 2001 - IPC

Abstract RU 2165006 C1

FIELD: oil and gas production. SUBSTANCE: aqueous composition containing 38.78-51.58% Portland cement, 6.39-17.80% thinning and expanding additive (hollow microspheres with 80-90% aluminosilicate component) additionally includes 10-20% aluminum hydroxychloride. EFFECT: achieved expansion effect in early period of cement stone formation owing to increased sedimentation stability of solution. 2 tbl

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RU 2 165 006 C1

Authors

Ostrjagin A.I.

Romanov V.G.

Rekin A.S.

Rjabova L.I.

Dates

2001-04-10—Published

1999-08-13—Filed