金沙縣高坪鄉(xiāng)大運(yùn)煤礦11081采煤工作面抽采達(dá)標(biāo)評判

1、金沙縣高坪鄉(xiāng)大運(yùn)煤礦金沙縣高坪鄉(xiāng)大運(yùn)煤礦1108111081采煤工作面采煤工作面抽采達(dá)標(biāo)評判報告抽采達(dá)標(biāo)評判報告金沙縣高坪鄉(xiāng)大運(yùn)煤礦金沙縣高坪鄉(xiāng)大運(yùn)煤礦二〇一五年一月目錄前言.....................................................................................................................................

2、........10.1概述...................................................................................................................................................................10.2本次抽采達(dá)標(biāo)評判工作的依據(jù)..........................

3、.............................................................................................21礦井及工作面概況礦井及工作面概況.............................................................................................................

4、........31.1礦井概況.............................................................................................................................................................31.2工作面概況......................................

5、.................................................................................................................1221108111081采煤工作面防突措施采煤工作面防突措施............................................................................

6、......................122.111081采煤工作面掘進(jìn)期間的防突措施.....................................................................................................122.2首采面區(qū)域綜合防突措施.........................................................

7、......................................................................132.3抽放量..............................................................................................................................................

8、...............143評價的地質(zhì)單元劃分評價的地質(zhì)單元劃分.............................................................................................................143.1評價的地質(zhì)單元劃分原則...........................................................

9、....................................................................143.2評價的地質(zhì)單元劃分.......................................................................................................................................143

10、.3評價單元劃分的結(jié)果.......................................................................................................................................154區(qū)域效果檢驗首采面區(qū)域防突措施效果檢驗區(qū)域效果檢驗首采面區(qū)域防突措施效果檢驗.................................

11、....................................154.1區(qū)域效果檢驗方法...........................................................................................................................................154.2抽采鉆孔均勻程度評價.................

12、..................................................................................................................154.3區(qū)域預(yù)抽效果檢驗鉆孔布置.........................................................................................

13、..................................152.3工作面11081采面的區(qū)域驗證.......................................................................................................................195工作面工作面1108111081采面預(yù)抽后的煤層殘余瓦斯含量計算采面預(yù)抽后的煤層殘余瓦斯

14、含量計算.........................................................195.1煤層的原始瓦斯含量.....................................................................................................................................195.211081采面

15、的煤炭儲量..................................................................................................................................195.311081采面煤體中的瓦斯儲量.................................................................

16、.....................................................195.4預(yù)抽時間.........................................................................................................................................................195.5

17、瓦斯抽采總量.................................................................................................................................................205.611081回采工作面預(yù)抽后殘余瓦斯含量.............................................

18、.........................................................205.711081回采工作面預(yù)抽瓦斯抽采率..............................................................................................................2161108111081采煤工作面抽采達(dá)標(biāo)評判采煤工作面抽采

19、達(dá)標(biāo)評判..........................................................................................216.1評判指標(biāo).....................................................................................................................

20、.....................................216.2抽采達(dá)標(biāo)評判分析..........................................................................................................................................217抽采達(dá)標(biāo)評判結(jié)論抽采達(dá)標(biāo)評判結(jié)論.............