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美国资源事业公司不久前在科尔伯兰的雷德山区开始执行一个六年计划,试验从深煤层中开采甲烷气的披术。雷德山区试验的主要目的是:研究有效的深井钻井和完井技术,提高煤层渗透性,增加甲烷气产
US resource firms recently began a six-year plan to launch a six-year plan to mine methane gas from deep coal seams in the Red Mountain region of Colbertshire. The main purpose of the Red Mountain experiment is to: Study effective deep well drilling and completion techniques to increase coal seam permeability and increase methane gas production