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2 270 228

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(51)

IPC

C09K8/44(2006-01-01)

(21) (22)

Application

2004125245/03, 2004-08-19

(24)

Start date

2004-08-19

(22)

Actual filing date

2004-08-19

(45)

Published

2006-02-20

(72)

Inventor

Kotel'Nikov Viktor AleksandrovichBasov Boris Konstantinovich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Innovatsionnaja Toplivno-Ehnergeticheskaja Kompanija"Basov Boris Konstantinovich

GROUTING COMPOSITION FOR OIL AND GAS WELLS Russian patent published in 2006 - IPC C09K8/44

Abstract RU 2270228 C1

FIELD: oil and gas production.

SUBSTANCE: invention provides grouting composition designed for production well repair operations and water inflow shutoff during boring operations. Composition contains, wt parts: propylene oxide oligomer isocyanate or ethylene oxide oligomer isocyanate, or propylene oxide/or ethylene oxide cooligomer isocyanate 100, hydrocarbon liquid as solvent 50-200, water 4-8, surfactant (additional component) 0.04-2, and amine (polyethylene-polyamine, triethanolamine) 0.03-1.0.

EFFECT: improved physicochemical characteristics of hydrophobic polymeric grouting composition, increased homogeneity and density throughout bulk.

1 tbl, 9 ex

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RU 2 270 228 C1

Authors

Kotel'Nikov Viktor Aleksandrovich

Basov Boris Konstantinovich

Dates

2006-02-20—Published

2004-08-19—Filed