THERMAL STABILIZER FOR DRILLING MUDS CONTAINING POLYMERIC STABILIZER AGENT Russian patent published in 1994 - IPC

Abstract RU 2013433 C1

FIELD: drilling of oil and gas wells. SUBSTANCE: a feed additive which is produced in the paper and pulp industry and results from sulfite liquors is used as a thermal stabilizer for drilling muds containing a polymeric stabilizer agent. The additive is introduced in an amount of 0.02% or higher by weight of the drilling mud. EFFECT: improved properties of the thermal stabilizer. 1 tbl

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RU 2 013 433 C1

Authors

Vartapetov M.A.

Ponkrashkin A.N.

Nizova S.A.

Bajanova N.N.

Dates

1994-05-30—Published

1991-05-28—Filed