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2 605 215

(13)

(51)

IPC

C09K8/24(2006-01-01)

(21) (22)

Application

2015137751/03, 2015-09-04

(24)

Start date

2015-09-04

(22)

Actual filing date

2015-09-04

(45)

Published

2016-12-20

(72)

Inventor

Gajdarov Azamat MitalimovichKhubbatov Andrej AtlasovichKhrabrov Dmitrij VladimirovichGajdarov Mitalim Magomed-RasulovichAlekseeva Nina Viktorovna

(73)

Holder

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

CATIONIC DRILLING MUD Russian patent published in 2016 - IPC C09K8/24

Abstract RU 2605215 C1

FIELD: mining.

SUBSTANCE: invention relates to water-based drilling fluids and can be used when drilling oil and gas wells, preferably in unstable clay rocks drilling. Drill mud includes the following components, wt %: gel powder 2-3; Rosfloc 99M 1-2; aluminium sulphate Al₂(SO₄)₃·18H₂O 0.5-6; caustic soda NaOH 0.18-2.16; water is balance.

EFFECT: technical result of invention consists in improvement in structure rheological properties.

1 cl, 1 tbl

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RU 2 605 215 C1

Authors

Gajdarov Azamat Mitalimovich

Khubbatov Andrej Atlasovich

Khrabrov Dmitrij Vladimirovich

Gajdarov Mitalim Magomed-Rasulovich

Alekseeva Nina Viktorovna

Dates

2016-12-20—Published

2015-09-04—Filed