It is confirmed that the initial methane drainage of 100 metre well in direction vertical to face cleat is 1.2 times than parallel direction,and the exhausting coefficient is reduced by 0.537.

• 测定研究表明:垂直面割理方向钻孔初始瓦斯抽放百米流量是平行面割理方向钻孔的12倍,衰减系数比平行面割理方向钻孔减少了537%25。