COMBINED DEVELOPMENT METHOD FOR FLAT-LAYING SEAMS OF COAL FIELD Russian patent published in 2007 - IPC E21C41/00 

Abstract RU 2312218 C2

FIELD: mining, particularly methods of underground or surface mining.

SUBSTANCE: method involves sinking underground entries to underground seam part along with seam drilling-out after surface drilling work stopping; leaving barrier pillar; performing developing entries and preparatory workings for underground seam cutting. Production works are carried out after or simultaneously with seam drilling out from surface.

EFFECT: possibility to extract coal beyond drilled-out section.

2 dwg

Similar patents RU2312218C2

Title Year Author Number
OPEN-UNDERGROUND METHOD OF BEDDED DEPOSITS MINING 2010
  • Senkus Valentin Vitautasovich
  • Frjanov Viktor Nikolaevich
  • Frjanova Ol'Ga Viktorovna
RU2439321C1
METHOD OF COMBINED DEVELOPMENT OF FLAT SEAMS OF COAL DEPOSITS 2014
  • Vasil'Ev Petr Nazarovich
  • Zubkov Vladimir Petrovich
  • Gavrilov Vladimir Leonidovich
RU2559272C1
METHOD FOR OPEN-UNDERGROUND DEVELOPMENT OF FLAT-LYING FORMATIONS 2019
  • Kovlekov Ivan Ivanovich
RU2715503C1
METHOD OF COMBINED DEVELOPMENT OF COAL MINEFIELD 2009
  • Fedorin Valerij Aleksandrovich
  • Shakhmatov Vjacheslav Jakovlevich
  • Anferov Boris Alekseevich
  • Kuznetsova Ljudmila Vasil'Evna
RU2430236C2
OPEN-UNDERGROUND MINING OF COAL SEAMS 2013
RU2524709C2
UNDERGROUND DEVELOPMENT METHOD OF THICK MINERAL DEPOSITS 2010
  • Trubetskoj Kliment Nikolaevich
  • Galchenko Jurij Pavlovich
  • Sabjanin Georgij Vasil'Evich
RU2448249C2
METHOD OF OPEN-UNDERGROUND MINING OF FLAT COAL BED OF MEDIUM THICKNESS 2011
  • Fedorin Valerij Aleksandrovich
  • Shakhmatov Vjacheslav Jakovlevich
  • Anferov Boris Alekseevich
  • Kuznetsova Ljudmila Vasil'Evna
RU2490457C1
METHOD OF COMBINED MINING OF BEDDED MINERAL DEPOSITS 2001
  • Vasil'Ev P.N.
  • Zubkov V.P.
RU2194858C2
METHOD FOR COMBINED DEVELOPMENT OF DEPOSITS 1996
  • Vasil'Ev P.N.
RU2117155C1
METHOD FOR OPEN-CUT MINING OF MINERAL DEPOSITS 2017
  • Semenov Aleksandr Sergeevich
  • Bazarova Ekaterina Ivanovna
  • Loktyukova Olga Yurevna
RU2642903C1

RU 2 312 218 C2

Authors

Novopashin Mikhail Dmitrievich

Vasil'Ev Petr Nazarovich

Sherstov Valerij Andreevich

Dates

2007-12-10Published

2005-06-20Filed