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(19)

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2 499 019

(13)

(51)

IPC

C09K8/42(2006-01-01)

(21) (22)

Application

2012116371/03, 2012-04-24

(24)

Start date

2012-04-24

(22)

Actual filing date

2012-04-24

(45)

Published

2013-11-20

(72)

Inventor

Rogov Evgenij Anatol'EvichNifantov Viktor IvanovichIskhakov Al'Bert Jakovlevich

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju Institut Prirodnykh Gazov I Gazovykh Tekhnologij-Gazprom Vniigaz" Vniigaz")

WELL KILLING FLUID Russian patent published in 2013 - IPC C09K8/42

Abstract RU 2499019 C1

FIELD: oil-and-gas industry.

SUBSTANCE: well killing fluid comprises the following components in wt %: glycerin - 20.0-35.0, sulphacell - 1.2.0, ammonium iodide - 60.0-62.5, water making the rest.

EFFECT: efficient killing of wells with seam pressure exceeding hydrostatic pressure.

1 tbl, 1 ex

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RU 2 499 019 C1

Authors

Rogov Evgenij Anatol'Evich

Nifantov Viktor Ivanovich

Iskhakov Al'Bert Jakovlevich

Dates

2013-11-20—Published

2012-04-24—Filed