提出一种用专家系统的不精确推理来得出评估结果的新方法，此方法可以应用于煤层的评估及矿井设计前的模拟。
This way can be used not only in the field of spontaneous combustion risk assessment in coal seam, but also in simulation before designing.
通过数值模拟和现场实测的方法，研究了司马矿薄基岩厚煤层开采条件下，保证安全开采的极限基岩厚度。
Through the way of numerical simulation and locale measurement, we found the safety utmost bedrock ply at the condition of thin bedrock and thick coal seam in Sima coal Mine.
依据典型浅埋煤层工作面的实测和模拟，发现了采场老顶初次破断的非对称现象。
By field observation and simulating test of shallow seam longwall mining, the phenomenon of main roof asymmetry breaking is discovered during the first weighting.
研究结果表明，数值模拟准确反映了煤层瓦斯流动基本规律，能够定量预测煤层钻孔瓦斯流量。
The result shows that the numerical simulation has truly reflected the basic law of gas flow and can predict gas flow quantity from boreholes in coal seam.
介绍地层变化复杂，无明显对比标志地区如何利用模拟测井曲线进行岩、煤层综合对比。
How to use simulated logging curve makes a synthetical contrast of rock and coal seam at complicated stratum and no obvious mark area are introduced.
通过现场实测、相似模拟和数值计算得出了大倾角临界角煤层回采巷道塑性区的分布情况。
Through the site observation, the simulation and the numerical value computation, obtained the gateway plastic area in high-pitched and critical Angle seam.
通过数值模拟分析，提示了厚煤层综放开采时顶煤运移和应力分布规律。
Through numerical simulation and analysis, the top coal movement and stress distribution in mechanized top caving mining of thick coal seam is revealed.
然后利用数值模拟软件中的弹塑性模型和流变模型及概率积分法开展煤层开采对西淝河左大堤安全的影响评价。
The impacts on the security of Xifeihe River left embankment under coal mining are evaluated with elastoplastic model, two-exponent rheological model and probability integral method.
通过对具体地区的实际模拟，总结出了煤层气地质演化史数值模拟研究的方法。
By the actual simulation of the concrete region, summarizes the investigative method of simulation in the geological evolution history of coal bed gas.
以现场实测结果为基础，利用数值模拟与反演方法分析了薄煤层联合开采的顶、底板破坏范围。
Based on the site actual measurements, the inversion analysis on the destroy range of roof and floor by the combined mining of thin seams was made by using numerical modeling.
对含水构造附近的煤层开采进行试验模拟，重点分析采动过程中覆岩变形引起渗流场、温度场的变化规律。
The coal mining around the water-bearing structure is simulated by tests. The variation laws of seepage and temperature fields induced by deformation of overburden rock during mining are analyzed.
首先利用相似模拟实验研究了急斜特厚煤层顶煤的冒落特征、顶板的破坏规律，以及地表下沉的特点。
First, based on similar material model test, top coal cave-in characters in steep and thick seam were studied as well as failure law of main roof and features of surface subsiding.
运用数值模拟方法对河东煤田柳林矿区主煤层煤层气地质演化史进行了定量模拟研究。
The paper has quantitatively studied the evolution history of coalbed methane (CBM) of main coal seams in Liulin Mining Area of Hedong Coalfield by using numerical simulation method.
因此提出极近距离薄煤层群联合开采常规错距开采模型，并进行理论和物理模拟试验研究。
Therefore, the conventional staggered distance model of ultra-close thin coal seam group during combined mining is put forward; and the theoretical research and physical simulation are carried out.
通过对沁水煤层气田的数值模拟与经济评价可知，用多分支水平井开发煤层气具有明显的经济效益优势。
By numerical simulation and economic evaluation for Qinshui CBM Field, it can be derived that MLHW obviously has a superiority of economic benefit in developing CBM.
煤层气储层数值模拟是煤层气资源勘探和开发的关键技术之一，也是煤层气井产量预测的有效手段。
The CBM reservoir numerical simulation is not only one of key techniques of CBM reservoir exploration and development, but also one of effective measures for CBM production forecast.
模拟了煤层开挖前后整个岩体中的应力、应变状况及塑性区变化规律；
The status of the stresses and strains, and the varieties of the plastic area are simulated in the whole rock mass.
多因素加权分析法与储层数值模拟法相结合是一种有效的煤层气可采性评价方法。
The combination of multifactor weighted analysis with reservoir simulation is an effective means to evaluate CBM recoverability.
对盆地深部未知区进行模拟计算，查明了未知区山西组主煤层煤层气地质演化史特征。
Simulation calculation of deep buried and unknown area was conducted and CBM geologic evolution process in the area was founded out.
对特厚煤层条件下采用螺旋钻机开采细长窄煤柱的破坏过程进行了数值模拟。
Numerical simulation software FLAC2D is used to simulate the failure mechanism of slender coal pillars (which are of much lower width to height ratios) during high wall mining of thick seam.
根据前人成果，建立了煤层气地质演化史模型并以此为基础研制了计算机模拟系统。
According to the result of past researched, the author of this article established the geological evolution history model of coal bed gas and computer simulation system on this base.
本发明涉及一种煤层气生产物理模拟装置及其模拟方法。
The invention relates to a physical simulation device and a simulation method for coal bed methane production.
针对煤层气储层裂隙发育特点，利用三维有限元方法，系统地进行储层裂隙双侧向测井响应的数值模拟研究。
According to the development characteristic of fracture in CBM reservoir, the response of dual laterolog is systematically simulated with three dimensional finite element method.
试验表明模拟煤层的部分基本上无破坏，爆破设计应采用欠深预留保护层来保护底部煤层不受抛掷损害作用。
The experiment indicates that the part simulating coal layer was not damaged to some extent, and suggests that less-deep protection layers…
本文同时使用了储量模拟软件评估煤的膨胀对二氧化碳注入和煤层气生产速度的影响。
Simulations based on hypothetical cases were conducted to evaluate the impact of the coal swelling on CO2 injectivity and methane recovery.
本文同时使用了储量模拟软件评估煤的膨胀对二氧化碳注入和煤层气生产速度的影响。
Simulations based on hypothetical cases were conducted to evaluate the impact of the coal swelling on CO2 injectivity and methane recovery.
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