coal bed

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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Application of Surface Control and Monitor System in Injection/ Down Pressure Testing of Coal Bed Gas

地面控制监测系统在煤层气井注入/压降测试中的应用

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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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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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Coal-bed gas production process simu-lation by use of thermal model

用热采模型模拟煤层气开采过程

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Investigation Progress on Release and Control of NO_x and N_2O during Coal Combustion in Circulating Fluidized Bed Combustor

循环流化床燃煤过程NO x和N2O产生-控制研究进展

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Theory of Methane Storage and Migration in Coal Bed and Prediction Methods

煤层甲烷储运理论与预测方法

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The existing mine gas in coal bed occurs mostly in the free state, the adsorption state and the dissolved state.

瓦斯气体在煤储层中的赋存状态主要有游离态、吸附态和溶解态。

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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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Cleats are the endogenetic fracture systems which are widely distributed in the coal bed and are of great significance for the coal-bed gas to be produced, being the natural fractures formed by desiccation, coalification, lithification and tectonic force.

割理是广泛存在于煤层中对煤层气的产出具有重要意义的内生裂隙系统，是煤层经过干缩作用、煤化作用、岩化作用和构造压力等各种过程形成的天然裂隙。

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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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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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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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The sandwich sandstone with weak interlayer such as thin coal bed, together with bedding plane and joint crack, can form unstable blocks, which threat the engineering safety.

研究部位岩体为层状砂岩，含有软弱夹层，其显著特点是该砂岩的岩组中含有薄煤层，与层理、节理裂隙等的组合易形成不稳定块体，对工程安全造成危害。

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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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With the development and utilization of CBM ( Coal Bed Methane) resources spread rapidly in worldwide, China has recognize the importance of CBM resources increasingly.

随着煤层气资源的开发利用在全世界范围内迅速展开，我国越来越认识到煤层气资源的重要性。

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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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Numerical simulation of plastic area distribution in the coal bed of extraction laneway

回采巷道煤层中塑性区分布的数值模拟及分析

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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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Catalysis of Mineral/ Metal Elements during Coal Bed Gas Generation

煤中矿物/金属元素在生气过程中的催化作用

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Theory on P-Wave Azimuthal AVO and Detecting Technique of Coal Bed Cracks

P波方位AVO理论及煤层裂隙探测技术

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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 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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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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This paper introduces the application of cartridge proportional relief valve used in coal mine hydraulic testing bed and also resumes its structure and characteristics.

介绍了插装式电磁比例溢流阀在煤矿液压试验台上的应用，并简述其结构及性能。

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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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Search Gas Reservoir of Coal Bed Gas With Seismic Anisotropism of Coal-bed Fracture

利用煤层裂隙地震各向异性寻找煤层气气藏

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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 production of 13 coal bed makes up over 95 percent of the production of Xinji Mine. Reducing stage coal pillar between nearby coal face of 13 coal bed is a main measure to increase coal resources rate of recovery.

新集矿产量中，13煤占到了95%以上的比重，缩小13－1煤层相邻工作面之间的阶段煤柱是提高煤炭资源回收率、延长矿井开采时间的重要途径。

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The Attempt of Detecting Oxidation Zone in 2~# and 3~# Coal Bed of Xiqu Using TEM Method

用瞬变电磁法在西曲煤矿北五盘区探测2、3～煤层风氧化带的尝试

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