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2 614 839

(13)

(51)

IPC

C09K8/24(2006-01-01)

(21) (22)

Application

2015143545, 2015-10-12

(24)

Start date

2015-10-12

(22)

Actual filing date

2015-10-12

(45)

Published

2017-03-29

(72)

Inventor

Gajdarov Azamat MitalimovichKhubbatov Andrej AtlasovichGajdarov Mitalim Magomed-RasulovichNorov Azat DavronovichIzyumchenko Dmitrij ViktorovichPonomarenko Dmitrij VladimirovichKulikov Konstantin VladimirovichIlalov Ramil SalakhutdinovichVasilev Vyacheslav Georgievich

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennostyu Institut Prirodnykh Gazov I Gazovykh Tekhnologij Gazprom Vniigaz"

CATIONIC DRILLING FLUID WITH ENHANCED BOTH INHIBITS AND STUDS PROPERTIES Russian patent published in 2017 - IPC C09K8/24

Abstract RU 2614839 C1

FIELD: oil and gas industry.

SUBSTANCE: invention relates to drilling fluids, water-based and can be used for drilling oil and gas wells, mainly in drilling unstable clay and clastic rocks in salt deposits. Cationic drilling fluid contains, in weight %: gel powder 3-5; polydadmac 1.05-2.10; as structurant - cationic polymer Rosflok CF 0.5-2; non-ionic cellulose ether is 0.2-0.5; water the rest.

EFFECT: cationic drilling fluid with improved properties and secures the preservation of stability (integrity) of the borehole wall, while reducing polidadmaha flow.

1 dwg, 2 tbl

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RU 2 614 839 C1

Authors

Gajdarov Azamat Mitalimovich

Khubbatov Andrej Atlasovich

Gajdarov Mitalim Magomed-Rasulovich

Norov Azat Davronovich

Izyumchenko Dmitrij Viktorovich

Ponomarenko Dmitrij Vladimirovich

Kulikov Konstantin Vladimirovich

Ilalov Ramil Salakhutdinovich

Vasilev Vyacheslav Georgievich

Dates

2017-03-29—Published

2015-10-12—Filed