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2 029 854

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IPC

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Application

5034205/03, 1992-03-26

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Actual filing date

1992-03-26

(45)

Published

1995-02-27

(72)

Inventor

Sharipov A.U.Dolganskaja S.I.Rjabova L.I.Rudomino M.V.Krutikova N.I.

(73)

Holder

Zapadno-Sibirskij Nauchno-Issledovatel'Skij I Proektno-Konstruktorskij Institut Tekhnologii Razvedochnogo Burenija

GROUTING SOLUTION Russian patent published in 1995 - IPC

Abstract RU 2029854 C1

FIELD: drill engineering. SUBSTANCE: grouting solution comprises (per cent by weight): 66.620 - 66.535 mineral binding agent; 0.030 - 0.090 VPK-402 polyelectrolite of cation type; 0.010 - 0.045 amifol as a mixture of ammonium salts of hydrochloric, phosphorous, nitriletrimethylphosphono and methyliminodimethylphosphono acids; the balance being water. EFFECT: heat resistivity of the solution and grouting rock, that is grouting rock retains its high strength and low filtering characteristics within 180 days at 180° when hardening in aggressive medium. 1 tbl

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RU 2 029 854 C1

Authors

Sharipov A.U.

Dolganskaja S.I.

Rjabova L.I.

Rudomino M.V.

Krutikova N.I.

Dates

1995-02-27—Published

1992-03-26—Filed

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