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Based on the study of pilot areas of Liulin and Anyang in No rth China,the coal reservoir permeability and main geological controlling factors deeply researched. 以华北地区柳林和安阳试验区为例，综合多种统计数据和测试成果，对煤层的渗透性及主要地质控制因素进行深入研究和探讨。
In order to study the mechanism to improve penetration rate and coal bed methane desorption rate with ultrasonic interference, the effects of space on the coal reservoir permeability are analyzed. 摘要为了对超声波干扰提高煤储层渗透率和煤层气解吸率的作用机理进行研究，分析了空化效应对煤储层渗透率的影响。
Compress experiment of coal cleat and mathematical simulation of coal reservoir permeability 煤割理压缩实验及渗透率数值模拟
Coupling Correlation Between High-rank Coal Matrix Mechanic Effect and Coal Reservoir Permeability 高煤级煤基质力学效应与煤储层渗透率耦合关系分析
coal reservoir permeability 煤储层渗透率
The coal reservoir's permeability is one of the most important parameters in controlling CBM exploration. 摘要煤储层的渗透性是控制煤层气开采的主要储层参数之一。
The permeability of the coal reservoir depends on the pore-fracture system of the coal reservoir, and the pore-fracture system of the coal reservoir depends on coal rank, coal lithotypes and maceral. 对一个特定的煤层气田而言,煤级变化不大或者规律明显。煤岩成分往往成为控制煤储层渗透率分布不均性的主导因素。煤岩成分,包括有机显微组分和矿物质均受控于煤相。
Pore radius, pore density and pore -throat ratio influence reservoir permeability to different extents. 孔隙半径、孔隙密度和孔喉比对地层渗透率均产生影响。
Because of low shaly content in conglomerate reservoir,it doesn't obviously affect the reservoir permeability. 由于砾岩储层泥质含量比较低，其对储层物性（渗透率）的影响并不明显。
Coalbed methane is a natural gas resources adsorbed to the coal reservoir. 煤层气是一种以吸附态储集在煤层中的天然气资源。
The rock assemblage of shallow exposed bank-microfacies is the basis of the formation of pore layers and reservoir permeability systems. 变浅暴露滩微相的岩石组合是孔隙层和储渗体形成的基础。
The result shows that the recovery condition of the CBM well will change with the change of the recovery system, and the permeability of coal reservoirs will also change. 研究结果表明，煤层气井工作制度的变化会引起煤层气井采动状况发生变化，导致煤储层渗透率产生波动。
The paper mainly introduces the process of estimating the reservoir permeability using the frecquency offset and time lag of Stoneley wave. 本文主要介绍利用斯通利波的频率偏移和时间延迟判断储层渗透性。
Seeing from the petrophysics characters of coal reservoirs that formed in different deposit environments, the permeability of coal reservoirs are much better in deltaic deposit. 通过对含煤岩系沉积特征和古生物标志分析指出，该区含煤岩系是在稳定的地台构造背景上发育的一套海湾潮坪-三角洲充填沉积，从不同沉积环境条件下形成的煤储层岩石物理的特征看，三角洲沉积环境条件下形成的煤储层渗透性比较好。
The incompressibility of water plays a role of supporting the cleats and pores of coalbed,making coal reservoir b... 水的不可压缩性对煤岩割理、孔隙起到了支撑作用，使煤岩储层能保持较高的渗透率。
The permeability of high rank coal reservoirs tends to decline in exponent gradually, which is similar to the relationship between the permeability and effective stress obtained by physical simulation. 煤储层渗透率随著煤层气井排采时间呈指数规律缓慢衰减，与物理模拟实验结果显示的渗透率与有效应力的关系具有相似的结论。
The variation of seepage velocity, resistance coefficient, reservoir permeability and oil recovery in porous media of water-drive reservoir in direct current (DC) electric field are studied in detail. 实验研究了外加直流电场作用下水驱油藏多孔介质中的流体渗流速度、阻力系数、储层渗透率及原油采收率的变化特性。
It results in the closure of microfracture system and makes oil reservoir permeability decrease.In addition,microfracture system brings fracturing fluid filtrateloss,and forms sand plug. 另外,微裂缝系统促使压裂液滤失,造成砂堵,地层嵌入度大,填砂裂缝宽度不足,都极大影响压裂效果。
With the development of the petroleum exploration in Changqing Oilfield, the reservoir permeability gradually becomes poor, so fine geologic research is necessary for the further development. 摘要长庆油田低渗透储层发育，随着勘探开发的不断深入，储层渗透性逐渐变差，需要开展更加精细的地质研究工作。
Coal matrixflexibility energy decreased with the increasing of buried deepness of coal reservoir, and increased with the rising of coal rank. 煤基块弹性能随着煤储层埋深的增加而降低,随着煤级的升高而增大。