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2 026 961

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IPC

(21) (22)

Application

93001762/03, 1993-01-12

(22)

Actual filing date

1993-01-12

(45)

Published

1995-01-20

(72)

Inventor

Tsytsymushkin P.F.Khajrullin S.R.Kudrjashova Z.N.Goronovich S.N.Mikhajlov B.V.Morozov Ju.D.Karimov N.Kh.1.

(73)

Holder

Volgo-Ural'Skij Nauchno-Issledovatel'Skij I Proektnyj Institut Po Dobyche I Pererabotke Serovodorodsoderzhashchikh Gazov

GROUTING MORTAR FOR CEMENTING OIL AND GAS WELLS Russian patent published in 1995 - IPC

Abstract RU 2026961 C1

FIELD: gas and oil producing industry. SUBSTANCE: grouting mortar for cementing oil and gas wells contains, mas.%: oil well cement 73.0-73.80; monomer B-2 - product of reaction of aqueous solution of ammonium and light fraction of chlorinated hydrocarbons 0.37-0.74; the balance, water. Monomer B-2 is dissolved in water. Introduced by small portions in aqueous solution of monomer is oil well cement. Mixture is stirred to obtain homogeneous solution. EFFECT: increased strength and adhesion properties of cement stone with reduced water-cement ratio and preserved normal spreading. 1 tbl

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RU 2 026 961 C1

Authors

Tsytsymushkin P.F.

Khajrullin S.R.

Kudrjashova Z.N.

Goronovich S.N.

Mikhajlov B.V.

Morozov Ju.D.

Karimov N.Kh.1.

Dates

1995-01-20—Published

1993-01-12—Filed