The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
Study on Effective Drainage Radius of Hole Drilled along Seam in Extracting Seam
Author(s): 
Pages: 1-2,8
Year: Issue:  3
Journal: Coal

Abstract: 为了测定顺层钻孔的抽放影响半径,指导矿井的瓦斯抽放和消突工作,将钻孔瓦斯流量作为考察指标,在寺家庄矿15号煤层进行测定研究,结果表明:瓦斯流量法易于考察,能够快速、准确地测定出本煤层顺层钻孔的抽放影响半径.
Related Articles
No related articles found