GROUTING MORTAR (OPTIONS) Russian patent published in 2002 - IPC

Abstract RU 2191251 C1

FIELD: oil and gas production. SUBSTANCE: grouting mortar contains, weight parts: cement 100, polysaccharide based on cellulose ether (polycyanine cellulose) 0.1-0.5, ethyl silicate 0.1-1.0, and water 35-50. In another variant of process, mortar also contains 0.2 to 3.9 wt parts of amorphous alumina. EFFECT: lowered filtration within wide temperature range (up to 100 C), increased strength of cement stone, and increased mobility of mortar without increase in water content. 2 cl, 2 tbl, 2 ex

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RU 2 191 251 C1

Authors

Kuznetsova O.G.

Tataurov V.G.

Chugaeva O.A.

Dates

2002-10-20—Published

2001-05-23—Filed