发明名称 |
METHOD FOR DEGASSING COAL SEAM |
摘要 |
A method for degassing coal seam includes determination of zone of seam unloading from rock pressure in front of zone of temporary support pressure, drilling of parallel-single wells from extraction working in parallel to line of production face to seam at angleto layer, this depends on length of production face and seam thickness. The mouths of wells are arranged with alternation in ceiling and in bottom. |
申请公布号 |
UA94174(C2) |
申请公布日期 |
2011.04.11 |
申请号 |
UA20100000168 |
申请日期 |
2010.01.11 |
申请人 |
INSTITUTE OF PHYSICS OF MINING PROCESSES OF THE NAS OF UKRAINE |
发明人 |
KOLCHYK YEVHEN IVANOVYCH;VOLOSHYNA NATALIA IHORIVNA;KOLCHYK IVAN YEVHENOVYCH;KUCHERUK IHOR PETROVYCH;KOLCHYK ANNA YEVHENIVNA |
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