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在前苏联,对于含煤沉积、富含可燃气的地下水、低渗透性沉积岩和可燃气水化合物等非传统气源的研究,尚处于资源调查和评价阶段,而在世界上其他国家已积累了不少的研究和开发经验.不少产煤国从含甲烷高的煤田中开采和利用甲烷,这在技术上是可行的,经济上是合算的,它将会使采煤的损失减少到最低限度,并能提高采煤作业的安全性.对含气地下水和低滤透性沉积岩的开发,只限于小规模
In the former Soviet Union, research on unconventional gas sources such as coal deposits, groundwater that contains combustible gas, low-permeability sedimentary rocks and combustible gas hydrates is still in the process of resource investigation and evaluation and has accumulated in other countries in the world A lot of research and development experience.Many coal producing countries from the methane-rich coal fields in the exploitation and utilization of methane, which is technically feasible and economically cost-effective, it will minimize the loss of coal mining Limit, and can improve the safety of coal mining operations. The development of gas-bearing groundwater and low-permeability sedimentary rocks is limited to small-scale