POLYMERCLAY MUD SOLUTION Russian patent published in 2018 - IPC C09K8/24 

Abstract RU 2675650 C1

FIELD: drilling soil or rock.

SUBSTANCE: invention relates to the field of drilling oil and gas wells, in particular to drilling fluids, and may find its application in the drilling of unstable clay rocks. Polymer clay drilling mud contains, wt%: bentonite clay 5; polyvinylpyrrolidone PVP 6.3–10; sodium formate 5.3–9.2; liquid potassium glass 3; antifoam 0.1; the rest being water.

EFFECT: high inhibiting properties and low values of mud filtration rate.

1 cl, 2 tbl

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RU 2 675 650 C1

Authors

Chudinova Inna Vladimirovna

Nikolaev Nikolaj Ivanovich

Rozentsvet Aleksandr Viktorovich

Dates

2018-12-21Published

2018-05-31Filed