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- 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；
- Based on measured data of 252 coalbed gas samples from 46 exploration areas in Jiangxi Province,the main index for gas weathering areas according to gas content data are presented. 依据江西省46个勘查区252个煤样的测试成果,提出了以瓦斯含量作为划分煤层瓦斯风化带的主要指标。
- THE INFLUENCE ON COALBED GAS CONTENT BY HYDRODYNAMICS--THE STAGNANT GROUNDWATER CONTROLLING 水动力条件对煤层气含量的影响--煤层气滞留水控气论
- Hawkins J M, Schraufuagel R A, Olszewski A J, et al.. Estimating Coalbed Gas Content and Sorption Isotherm Using Well Log Data. SPE 24905,1992 焦作矿业学院瓦斯地质研究室.;瓦斯地质概论
- 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。
- Coalbed sorption isotherm and gas content are the important reservoir characteristic parameters, which have a certain relation with the industrial analysis indexes of coalbed. 煤层的吸附等温线和含气量是重要的储层特性参数，它们与煤层的工业分析指标之间有一定的关系。
- The paper presented a BP neural network model to predict content of coalbed gas based on analyzing explored borehole data of No.13-1 coal bed of Panyi mine in Huainan coal mining area. 以淮南矿区潘一矿13-1煤层为研究对象,在分析勘探钻孔资料的基础上,确定了煤层埋深及厚度、顶底板岩性、地质构造和煤变质程度是影响煤层瓦斯含量的主要因素;
- 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。
- Therefore,the conventional gas content measurement is invalid to lignite. 因此,传统的煤层气含量确定方法不适用于褐煤。
- 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。
