COMPOSITION FOR REPAIR-INSULATION OPERATIONS IN WELL Russian patent published in 2005 - IPC

Abstract RU 2248441 C1

FIELD: oil and gas production.

SUBSTANCE: invention provides polymeric grouting composition containing, wt parts: urea-formaldehyde resin 100, organosilicon product as hydrolizable hardener 0.1-10.0, surfactant (ML-80) 0.2-3.0, and formation water 20.0-40.0.

EFFECT: improved quality of repair-insulation operations due to better adhesion to different surfaces, improved strength characteristics, and enabled use of single hardener within temperature range 20 to 120°C.

2 tbl, 2 ex

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RU 2 248 441 C1

Authors

Kadyrov R.R.

Sakhapova A.K.

Salikhov M.M.

Latypov R.F.

Galiev R.F.

Dates

2005-03-20—Published

2003-09-23—Filed