Roadway heading is the forerunner for clearly knowing coal bed geological conditions.

掘进巷道是全面、准确了解矿井煤层地质条件的先导.

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The coal bed has better capacity of storing gas.

煤层具有较高的贮气能力.

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There is plentiful coal bed gas resource in JiXi Coaifield.

鸡西煤田赋存丰富的煤成气资源.

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Coal - bed methane accounts for about 2 % of the world's natural - gas supply.

煤层气约占世界天然气供应的2%.

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Australia is awash with deals involving coal - bed methane.

在澳大利亚到处充斥着关于煤层气的交易.

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The hydro - geological parameters of age coal bed 3 of Dongtan Coal Mine be calculated with it.

利用相关方程求出了全东滩矿3煤砂岩顶板含水层的水文地质参数.

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Coal bed gas is a new clean source, and is very abundant in our country.

煤层气是一种洁净的新能源, 我国煤层气储量十分丰富.

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And PetroChina officials are exploring new shale gas and coal - bed methane opportunities over the country.

中石油的官员最近也在全国各地探测新的油页岩和煤层甲烷气矿藏.

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The coal bed methane utilization can be formed a new economic grow point.

随着能源的日益紧缺,作为一种补充能源煤层气将成为经济新的增长点.

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Because this coal bed thickness is moderate, selects the shield type hydraulic pressure support.

由于该煤层厚度适中, 选用掩护式液压支架.

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Hydraulic fracturing has been unsuccessful because of coal bed and soft formation in Baolang Oilfield.

由于煤层发育、软地层等原因使压裂技术尚未突破.

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It uses this model to forecast the gas outburst rank about the 7 - 2 # coal bed.

并应用该模型对大兴矿7～2 # 煤层的瓦斯突出等级作出预测.

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Development and integrative utilization of coal - bed gas faces many concrete technical problems to study and solve.

煤层气开发和综合利用面临许多现实的技术问题需要研究解决.

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Graphite deposit of Heye was formed by metamorphism of the Permian coal bed.

荷叶石墨矿是由二叠系煤层变质而成的石墨矿床,石墨与煤呈同层异矿关系.

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The exploitation and utilization of coal - bed methane were analyzed, and the successful experience was introduced.

本文在概括世界主要产煤国煤层气资源状况的基础上,分析了其煤层气开发利用的情况和成功经验.

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