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2 258 652

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IPC

(21) (22)

Application

2004104428/11, 2004-02-17

(24)

Start date

2004-02-17

(22)

Actual filing date

2004-02-17

(45)

Published

2005-08-20

(72)

Inventor

Borisov V.V.Khrulev A.S.Salokhin V.I.Smirnov V.I.Gorif'Janov V.I.Igoshin A.I.Khan S.A.Lebedinskij V.S.Vasilenko V.V.Litvinov S.A.Jakovlev N.M.

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju

METHOD FOR UNDERGROUND TUNNEL RESERVOIR BUILDING IN ROCK SALT BED HAVING LIMITED THICKNESS Russian patent published in 2005 - IPC

Abstract RU 2258652 C1

FIELD: transport and storage devices, particularly for building underground reservoirs.

SUBSTANCE: method involves placing adjusting pipe string bottom of directionally drilled well in horizontal position at well outlet; arranging preparation underground excavation for design tunnel reservoir height at initial stage of rock solution between casing and adjusting pipe strings of directionally drilled well; ejecting non-solvent in casing pipe strings along with maintaining non-solvent-brine interface in upper part of preparation excavation or in the case of stepped rock solving at level of each underground tunnel reservoir stage forming; maintaining non-solvent-brine interface in vertical well at level or above level of non-solvent-brine interface of preparation excavation.

EFFECT: increased efficiency of underground tunnel building.

6 dwg

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RU 2 258 652 C1

Authors

Borisov V.V.

Khrulev A.S.

Salokhin V.I.

Smirnov V.I.

Gorif'Janov V.I.

Igoshin A.I.

Khan S.A.

Lebedinskij V.S.

Vasilenko V.V.

Litvinov S.A.

Jakovlev N.M.

Dates

2005-08-20—Published

2004-02-17—Filed