DRILLING FLUID Russian patent published in 1995 - IPC

Abstract RU 2027732 C1

FIELD: drilling of oil and gas holes. SUBSTANCE: drilling fluid has clay, carboxymethylcellulose, technical lignosulfonate neutralized with alkali, superplasticizer C-3, water glass and water. Fluid is used for chemical treatment of drilling fluids. EFFECT: enhanced quality of fluid. 2 tbl

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RU 2 027 732 C1

Authors

Zejnalov Naib Ehjnal Ogly[Az]

Nagiev Vagif Ali Ogly[Az]

Dates

1995-01-27Published

1992-02-21Filed