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2 242 612

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IPC

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Application

2003121005/03, 2003-07-08

(24)

Start date

2003-07-08

(22)

Actual filing date

2003-07-08

(45)

Published

2004-12-20

(72)

Inventor

Petrichenko V.P.Strel'Tsov V.I.Balashov A.G.Kolesnikov V.I.

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Vserossijskij Nauchno-Issledovatel'Skij Institut Po Osusheniju Mestorozhdenij Poleznykh Iskopaemykh, Zashchite Inzhenernykh Sooruzhenij Ot Obvodnenija, Spetsial'Nym Gornym Rabotam, Geomekhanike, Geofizike, Gidrotekhnike, Geologii I Markshejderskomu Delu

METHOD FOR FORMING A CHAMBER IN A WELL Russian patent published in 2004 - IPC

Abstract RU 2242612 C1

FIELD: mining industry.

SUBSTANCE: method includes directed wash-out performed with forming of slanted branches separated by walls on no less than two horizontal radial levels with forming of their net at volume of formed chamber, while slanted branches of one level are displaced in certain way relatively to boundary level, and walls between branches are destroyed, starting from lower level by pulse force effect on rocks massive through well or branch.

EFFECT: higher efficiency.

3 cl, 1 ex, 3 dwg

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RU 2 242 612 C1

Authors

Petrichenko V.P.

Strel'Tsov V.I.

Balashov A.G.

Kolesnikov V.I.

Dates

2004-12-20—Published

2003-07-08—Filed