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(19)

(11)

2 458 960

(13)

(51)

IPC

C09K8/20(2006-01-01)

(21) (22)

Application

2011101277/03, 2011-01-12

(24)

Start date

2011-01-12

(22)

Actual filing date

2011-01-12

(45)

Published

2012-08-20

(72)

Inventor

Zakirov Artem JaudatovichNikolaev Nikolaj IvanovichVafin Ravil' MisbakhetdinovichLeusheva Ekaterina Leonidovna

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Gornyj Universitet"

DRILLING MUD Russian patent published in 2012 - IPC C09K8/20

Abstract RU 2458960 C1

FIELD: oil and gas production.

SUBSTANCE: low-clay drilling fluid includes the following, wt %: clay 2.0-3.0, lubricating additive - residual product of wood advanced processing consisting of diterpenes 0.8-1.1, anti-foaming agent 0.2-0.3, water the rest.

EFFECT: improvement of lubricating and filtering parameters of drilling mud.

1 ex, 1 tbl

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RU 2 458 960 C1

Authors

Zakirov Artem Jaudatovich

Nikolaev Nikolaj Ivanovich

Vafin Ravil' Misbakhetdinovich

Leusheva Ekaterina Leonidovna

Dates

2012-08-20—Published

2011-01-12—Filed