Analysis of gob gas venthole production performances for strata gas control in longwall mining
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- 作者：C. Ö ; zgen Karacan cok6@cdc.gov" class="auth_mail" title="E-mail the corresponding author
- 关键词：Pratt coal ; Upper Pottsville Formation ; Longwall mining ; Methane control ; Gob gas ventholes ; Coal gas ; Material balance
- 刊名：International Journal of Rock Mechanics and Mining Sciences
- 出版年：2015
- 出版时间：October 2015
- 年：2015
- 卷：79
- 期：Complete
- 页码：9-18
- 全文大小：2745 K
文摘
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gob gas ventholes (GGV) drilled over a longwall panel were analyzed.
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Pratt coal's properties and production data were used in material balance calculations.
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Radius of influence of GGVs, gas-in-place and coal pressures, were estimated.