1·This method is first used to the quantitative prediction of coal bed methane in Shanxi province.
并将该方法首次用于山西省煤层甲烷的定量预测。
2·But since the high coal bed gas content and concentration largely affected coalmine safety in production.
但由于该区煤层瓦斯含量高、浓度大，成为煤矿安全生产的主要影响因素。
3·The ground stress, formation pressure, desorption pressure and many inferred values, gained from these basic data of a certain coal bed in downhole may be obtained through testing and calculation.
对于井下某一煤层，通过测试和计算可得到地应力、地层压力、解吸压力以及据以上基础数据而得出的许多推算值。
4·Put forward a new method applying conventional ground fracturing construction pressure to get coal bed rock mechanical parameters.
提出了应用常规的地面压裂施工压力资料求取煤层岩石力学参数的一种新方法。
5·The influence of coal bed permeability and Wells' distance on productivity of CBM Wells are analyzed.
分析了煤层渗透率和煤层气井间距对煤层气井产能的影响。