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2 617 140

(13)

(51)

IPC

C09K8/42(2006-01-01)

(21) (22)

Application

2016100641, 2016-01-11

(24)

Start date

2016-01-11

(22)

Actual filing date

2016-01-11

(45)

Published

2017-04-21

(72)

Inventor

Rogov Evgenij AnatolevichSoldatkin Sergej Grigorevich

(73)

Holder

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

LIQUID FOR WELL BLANKING Russian patent published in 2017 - IPC C09K8/42

Abstract RU 2617140 C1

FIELD: chemistry.

SUBSTANCE: liquid for well blanking comprises, in wt %: 1.5-2.0 sulfatsell; cadmium sulphate 35.0-40.0; water - the rest.

EFFECT: increased efficiency of wells blanking with reservoir pressure is above hydrostatic.

1 ex,1 tbl

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RU 2 617 140 C1

Authors

Rogov Evgenij Anatolevich

Soldatkin Sergej Grigorevich

Dates

2017-04-21—Published

2016-01-11—Filed