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- 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。
- coalbed gas composition 煤层气组分
- 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。
- 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。
- With the high absorption intensity, stable hydrodynamic field and coalseam floor and roof,favorable coalbed gas system is formed. 盆地中部在丰富的气源、砂岩成岩致密化早于主供气期、成藏后构造及水动力稳定等成藏条件配合下形成了大型深盆气系统。
- Abstract Under the action of coalbed water pressure,a certain quantity of gas is trapped in coal reservoir,forming coalbed gas reservoir. 在煤层水压力作用下，煤岩储层中“圈闭”了一定数量的气体从而形成煤层气藏。
- Coalbed water plays an important role in the whole course of the genesis,accumulation(adsorption)and output of coalbed gas. 煤层水在煤层气的生成、储集（吸附）和产出的全过程中都起着重要的作用。
- Through a comprehensive understanding of the three aspects,set up a coalbed gas migration model in multi-coalseam system,i... 通过对三者的综合认识,建立了多煤层系统的煤层气整体运移模型,为解决煤矿的实际工程问题提供了更符合实际的理论。
- An in situ residual gas analyzer (RGA) was used to monitor the residual gas composition in the vacuum chamber. 利用残余气体分析仪在线监测了真空室内的残余气氛组成。
- The parameter is important for coalbed gas reservoir simulation and as a sensible index to control initial and long period gas producing rate of coalbed well. 该指标控制煤层气井初始和长期的产出速率，直接参与煤储层模拟。
- By analyzing the basic hydrogeological situation of coalbed gas,hydrogeological problems to be studied for coalbed gas exploitation in China are raised. 通过煤层气水文地质基本关系的分析，提出了我国煤层气开发的水文地质研究问题。
- The gas composition during coating process was tested by high-vacuum residual gas analyser. 采用高真空残余气体分析仪,对薄膜沉积过程中的气氛进行分析。
- A mathematical model between coalbed gas content and log responses to syncline in Huaibei Sunan region is setup ultilizing progressive regression analysis method. 利用逐步回归方法建立了淮北宿南向斜煤层气含量与测井响应值之间的数学模型；
