METHOD OF PREPARING CLAY POWDER FOR DRILLING MUDS Russian patent published in 2002 - IPC

Abstract RU 2191794 C2

FIELD: oil and gas production. SUBSTANCE: method involves preliminarily grinding clay followed by addition of sodium carbonate and magnesium oxide and final grinding of the mix, said sodium carbonate being added by injecting its aqueous solution to 11.0-15.0% moisture content in powder. EFFECT: increased yield of drilling mud.

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RU 2 191 794 C2

Authors

Ehjrish M.V.

Trofimova F.A.

Khasanov R.A.

Gonjukh V.M.

Sabitov A.A.

Dates

2002-10-27Published

2000-07-25Filed