日本钏路煤田的煤层割理形态类似于孤立的直线节理。
The coal cleat pattern in the Kushiro coalfield, Japan, shows some analogy to isolated straight joints.
基于煤割理压缩实验，建立了应力与割理宽度之间的数学模型。
Based on compress experiment of coal cleat, mathematical model between stress and cleat width was erected.
煤岩体既有大量的微孔隙又有割理的存在，可以简化为双重介质模型。
Coal rock body is simplified as a double-medium model, including a plenty of micropores and cleats.
采用非平衡态吸附模型，研究单相煤层气在煤体和割理中的流动规律。
The single phase flow rule of coalbed gas in coal and cleats may be studied by use of non equilibrium adsorption model.
第二，单流阀效应引起孔隙压力下降，割理闭合，导致侵入的压裂液滞留其中。
The second is unilateral flow bring about the pore press lower, cleats close, and fracturing fluid deeped in it will settle.
煤基质的孔隙性对流体流动影响极小，试井所得渗透率反映的是割理系统的渗流能力。
The matrix pores in coal play a little role in fluid flow, therefore the permeability derived from well test is the reflection of the percolation flow capacity in cleat system.
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 incompressibility of water plays a role of supporting the cleats and pores of coalbed, making coal reservoir b...
讨论了伤害煤层渗透率的两大因素：压裂液堵塞煤层割理；煤基质吸附压裂液而膨胀。
Blockage of coal seams by fracturing fluids (FFs) and swelling of coal matrix owing to FF adsorption are discussed and considered to be the basic factors for coalbed permeability damage.
煤储层是一种双重孔隙介质，其孔隙由基质孔隙和裂隙组成，并具有自身独特的割理系统。
Coal reservoir is a dual porous rock composed of matrix porosity and fracture with its unique cleat system.
煤层气在煤储层中的扩散是指从煤基质孔隙表面上解吸的煤层气运移到割理系统的主要过程。
The diffusion of coalbed methane in coal reservoirs is defined that the main process of coalbed methane desorbed from coal matrix pore surface migrated to cleat system.
根据煤层割理渗透率的各向异性，采用垂直面割理和平行面割理两个方向布置钻孔抽放煤层气。
This experiment bases on different permeability in different directions of coal seam cleats. To arrange methane drainage direction the directions vertical and parallel to face cleat are adopted.
开发出一种新型的不损坏样品的简单的实验室技术，估算出与煤层割理网络相关的孔隙度和残余水饱和度。
Furthermore, a novel nondestructive and simple laboratory technique has been developed to estimate the porosity and irreducible water saturation associated with the coal cleat network.
在考虑煤层渗透率应力敏感性的基础上，采用非平衡态吸附模型，研究单相煤层气在煤体和割理中的流动规律。
Based on consideration of stress sensitivity of coal seam permeability, the single-phase flow rule of coal-bed gas in coal and cleats is studied by using non-equilibrium adsorption model.
在考虑煤层渗透率应力敏感性的基础上，采用非平衡态吸附模型，研究单相煤层气在煤体和割理中的流动规律。
Based on consideration of stress sensitivity of coal seam permeability, the single-phase flow rule of coal-bed gas in coal and cleats is studied by using non-equilibrium adsorption model.
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