DRILLING FLUID Russian patent published in 2023 - IPC C09K8/24 

Abstract RU 2792860 C1

FIELD: water-based drilling fluids.

SUBSTANCE: invention can be used for drilling clay and salt rocks, as well as in the opening of productive formations. The drilling fluid includes, in % by weight: clay powder 3-5; a copolymer of polydadmach with acrylamide copPA, in which the weight ratio of polydadmach and acrylamide is: polydadmach 95-97% and acrylamide 3-5%, 7-15; the rest is water.

EFFECT: increase of the inhibitory and fixing ability in relation to clay rocks.

1 cl, 3 tbl

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RU 2 792 860 C1

Authors

Gajdarov Azamat Mitalimovich

Khubbatov Andrej Atlasovich

Gajdarov Mitalim Magomed-Rasulovich

Dates

2023-03-28Published

2022-03-28Filed