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2 281 309

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IPC

C09K8/467(2006-01-01)

(21) (22)

Application

2002133717/03, 2002-12-15

(24)

Start date

2002-12-15

(22)

Actual filing date

2002-12-15

(45)

Published

2006-08-10

(72)

Inventor

Mikheev Mikhail AleksandrovichUljasheva Nadezhda MikhajlovnaJudin Valerij MikhajlovichZakharov Boris Ivanovich

(73)

Holder

Ukhtinskij Gosudarstvennyj Tekhnicheskij Universitet

FIBER-REINFORCED GROUTING MORTAR Russian patent published in 2006 - IPC C09K8/467

Abstract RU 2281309 C2

FIELD: oil and gas production.

SUBSTANCE: reinforced grouting mortar contains, weight parts: grouting Portland cement 100, mineral fiber (asbestos or basalt fibers no longer than 5 mm) 3-4, polyvalent metal salt (calcium chloride) 0.3-0.4, water-soluble polymer (oxyethylated cellulose) 0.1-0.2, and, additionally, rubber crumb 5-7.

EFFECT: improved damping and adhesive properties of grouting mortar, increased sedimentation stability, and prolonged strength of cement stone.

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RU 2 281 309 C2

Authors

Mikheev Mikhail Aleksandrovich

Uljasheva Nadezhda Mikhajlovna

Judin Valerij Mikhajlovich

Zakharov Boris Ivanovich

Dates

2006-08-10—Published

2002-12-15—Filed