DEVELOPMENT METHOD OF COAL STRATUM BY WATER JET BORING-AND-REAMING Russian patent published in 2009 - IPC E21C45/00 

Abstract RU 2368783 C1

FIELD: mining.

SUBSTANCE: invention relates to mining and can be used at development of stratum of coal by means of water-jet boring-and-reaming with following delivering of methane to consumer. Development method of stratum of coal by water-jet boring-and-reaming includes treatment of stratum with usage of predrilled well, hydraulic monitor with jet and jet elevator. Into predrilled well it is installed parallel portion of hermetic chamber, then into it is inserted pipes for water feeding to jet elevator, hydraulic monitor, and delivery of coal slurry to surface, after what on parallel portion of hermetic chamber it is fixed hermetic chamber with branch, through which it is exhausted methane by consumer at treatment of stratum of coal.

EFFECT: it provides implementation of unattended mining of minerals, and also - simultaneous delivery from one well of minerals and methane.

1 dwg

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RU 2 368 783 C1

Authors

Sukhorukov Vladimir Afanas'Evich

Frjanov Viktor Nikolaevich

Shengerej Svetlana Vladimirovna

Sukhorukov Vladislav Vladimirovich

Shengerej Evgenij Borisovich

Dates

2009-09-27Published

2008-04-30Filed