GROUTING SOLUTION FOR CEMENTING GAS/OIL DRILL HOLES AND METHOD FOR PREPARATION THE SAME Russian patent published in 1996 - IPC

Abstract RU 2057250 C1

FIELD: plugging up gas/oil drill holes. SUBSTANCE: grouting solution has cement, microscopic as waste of ferro-silica production, and water. If necessary gypsum, weighting compound, disperser, and regulator of solidification time may be added to the solution. Grouting solution is prepared by the following way. 10 % of cement by weight is added to water. Then microscopic, weighting compound, gypsum and the balance of the cement are added to the obtained suspension subsequently. EFFECT: high strength. 4 cl, 13 tbl

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RU 2 057 250 C1

Authors

Jon Petter Sargeant[No]

Asb'Ern Voneim[No]

Ehjstein Kalvenes[No]

Dates

1996-03-27—Published

1988-11-04—Filed