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2 072 028

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Application

93050881/03, 1993-11-11

(22)

Actual filing date

1993-11-11

(45)

Published

1997-01-20

(72)

Inventor

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

(73)

Holder

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

COMPOSITION FOR INSULATING ABSORBING SEAMS Russian patent published in 1997 - IPC

Abstract RU 2072028 C1

FIELD: well drilling for oil and gas. SUBSTANCE: composition for insulating absorbing seams has cement dust as binding agent that is the waste of cement production caught by electric filters, difonate agent as hardening time regulator, and water. Difonate-agent is a mixture of sodium salts of nitrilotrimethyl phosphonic, methyl citron dimethyl phosphonic, oxyethylene diphosphonic, phosphonic and sulphur acids. EFFECT: higher efficiency. 1 tbl

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RU 2 072 028 C1

Authors

Sharipov A.U.

Dolganskaja S.I.

Rjabova L.I.

Rudomino M.V.

Krutikova N.I.

Kopejko E.G.

Dates

1997-01-20—Published

1993-11-11—Filed

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