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2 057 902

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Application

93026153/03, 1993-05-06

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Actual filing date

1993-05-06

(45)

Published

1996-04-10

(72)

Inventor

Sharipov A.U.Dolganskaja S.I.Jangirova I.Z.

(73)

Holder

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

GROUTING MORTAR Russian patent published in 1996 - IPC

Abstract RU 2057902 C1

FIELD: drilling and casing of oil and gas wells. SUBSTANCE: grouting mortar includes portland cement, amiphol, polyelectrolyte ВКП-402 of cation type clay powder and water. Injection of clay powder decreases density and rheological parameters of grouting mortar with simultaneous preservation of strength properties. EFFECT: improved efficiency of use in complex temperature and pressure conditions. 1 tbl

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RU 2 057 902 C1

Authors

Sharipov A.U.

Dolganskaja S.I.

Jangirova I.Z.

Dates

1996-04-10—Published

1993-05-06—Filed

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