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Keywords coalbed gas logging;filling pressure drop;MRO; 煤层气试井;注入压降;存储式电子压力计;
Keywords coalbed gas;secondary biogenic origin;acyclic isoprenoid alkanes;methanogenic bacteria;Qinshui basin; 无环类异戊二烯烷烃;甲烷菌;煤岩;煤层气;次生生物成因;沁水盆地;
Keywords coalbed gas;geological structure characteristics;gas preservation law;gassy outburst mine; 煤层瓦斯;地质构造特征;瓦斯赋存规律;高突矿井;
Keywords coalbed gas pressure;gas flow equation;insitu stress;geothermal temperature; 煤层瓦斯压力;瓦斯渗流方程;地应力;地温;
Keywords coalbed gas;thermogenic gas;secondary biogenic gas;gas source rocks;biomarkers; 煤层气;热成因;次生生物成因;气源岩;生物标志化合物;
Keywords coalbed gas;pinnate horizontal multilateral well;well profile;optimization; 煤成气;开采;水平井;定向羽状水平井;井身结构;优化;
Keywords Coalbed gas;Fracturing;Fracture;Testing;Wellbore temperature;Geodetic potential; 煤成气;压裂;裂缝;测试;井温;大地电位;
Keywords Coalbed Gas;Guar Gum/Borate Aqueous Gel;Hydrofracturing Fluid;Quartz Sands Proppant;Coalbed Fracturing; 煤层气;瓜尔胶硼冻胶;压裂液;支撑剂（石英砂）;煤层压裂;
Keywords coalbed gas;the pore-fissure double-medium model;finite difference method;storage and transportion law;recoverability evaluating;fuzzy mathematic assessment;throughput capacity sensibility; 煤层气;孔隙-裂隙双重介质模型;有限差分方法;储运规律;可采性评价;模糊数学评价;产能敏感性;
Keywords coalbed gases;thermogenic gases;secondary biogenic gases;mixing proportion;resources significance; 煤层气;热成因气;次生生物成因气;混合比例;资源意义;
Diffusion is a process surely occurring during the preduction of coalbed gas. 扩散作用主要影响煤层气井的早期产量。
Prospective study on coalbed gas resources in Carboniferous-Permian, West Henan. 豫西石炭-二叠系煤层气资源前景研究。
The evaluation of coalbed gas logging with nerve network is one of the optimum method at present. 借助于神经网络技术进行煤层气测井评价,是现阶段的优选方法之一。
The geoelectric field in geophysical field is effective on seepage properties of coalbed gas. 总结了该矿区地电场特征,论证了激电测深法的有效性。
Natural coke has good conditions of physical character,and contain abundant coalbed gas,is an ideal reservoir of gas. 天然焦具有良好的物性条件,含有大量的瓦斯气体,是一个理想的储气层。
So several development modes of coalbed gas available are listed and analyzed in this paper. 文中结合煤矿抽放瓦斯实践,列举和分析了几种可行的煤层气开发方式。
As a energy resource,coalbed gas would replace oil to be the main energy with natural gas in 21st century. 展望了在21世纪治理与开发煤层瓦斯的新技术、新途径,煤层瓦斯作为一种不可再生资源将由治理变为开发型。
Fractionation effect of coalbed gas is a phenomenon that gas composition and isotope change during the process of migration. 摘要煤层气的分馏效应是指运移过程中气体组份和同位素值发生变化的现象。
Among them the study on hydrogeological conditions is an important component in the whole process of exploration and exploitation of coalbed gas. 其中，水文地质条件研究是整个煤层气勘探开发中的一个重要部分。
The formation of coalbed gas reservoirs depends on an energy homeostasis system controlled by the interactive processes of four fields on macroscopy. 煤层气成藏维系于其能量平衡系统,宏观上受控于“四场互动”过程,核心是能量的有效传递及其地质选择过程。