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2 418 835

(13)

(51)

IPC

C09K8/42(2006-01-01)

E21B43/22(2006-01-01)

(21) (22)

Application

2009121133/03, 2009-06-03

(24)

Start date

2009-06-03

(22)

Actual filing date

2009-06-03

(45)

Published

2011-05-20

(72)

Inventor

Kaushanskij David AronovichDem'Janovskij Vladimir BorisovichDmitrievskij Anatolij NikolaevichLanchakov Georgij AleksandrovichMoskvichev Vladimir Nikolaevich

(73)

Holder

Uchrezhdenie Rossijskoj Akademii Nauk Institut Problem Nefti I Gaza Ran Ran)Obshchestvo S Ogranichennoj Otvetstvennost'Ju Nauchno-Tekhnicheskaja Firma Ntf

PROCEDURE FOR PRODUCTION OF FLUID FOR KILLING GAS AND OIL WELLS AND KILLING FLUID OBTAINED BY THIS PROCEDURE Russian patent published in 2011 - IPC C09K8/42 E21B43/22

Abstract RU 2418835 C2

FIELD: oil and gas production.

SUBSTANCE: lime, water, and organic component are combined in procedure for production of fluid for killing gas and oil wells. As an organic component there is used at least one glycol of molecular weight as high, as 160. Quick lime is combined with at least one said glycol at their ratio, wt shares 2-10: 10 correspondingly. Further, water at amount of 5-50 wt shares is added to obtained product of their reaction. The distinguished feature of killing fluid for gas and oil wells is its production by the above described procedure.

EFFECT: utilisation of non-combustible killing fluid in wide range of rock permeability, reservoir temperature and reservoir pressure; maintaining permeability of bottomhole zone rock after repair operations.

12 cl, 7 ex, 1 tbl

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RU 2 418 835 C2

Authors

Kaushanskij David Aronovich

Dem'Janovskij Vladimir Borisovich

Dmitrievskij Anatolij Nikolaevich

Lanchakov Georgij Aleksandrovich

Moskvichev Vladimir Nikolaevich

Dates

2011-05-20—Published

2009-06-03—Filed