煤层气运移THM模型,渗透率孔隙度模型
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煤层气运移THM模型,渗透率孔隙度模型 <link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/css/base.min.css" rel="stylesheet"/><link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/css/fancy.min.css" rel="stylesheet"/><link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/90274065/2/raw.css" rel="stylesheet"/><div id="sidebar" style="display: none"><div id="outline"></div></div><div class="pf w0 h0" data-page-no="1" id="pf1"><div class="pc pc1 w0 h0"><img alt="" class="bi x0 y0 w1 h1" src="/image.php?url=https://csdnimg.cn/release/download_crawler_static/90274065/bg1.jpg"/><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">**<span class="ff2">煤层气运移<span class="_ _0"> </span></span>THM<span class="_ _1"> </span><span class="ff2">模型与渗透率孔隙度模型技术分析</span>**</div><div class="t m0 x1 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h3 y3 ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y4 ff2 fs0 fc0 sc0 ls0 ws0">一<span class="ff3">、</span>引言<span class="ff1"> </span></div><div class="t m0 x1 h3 y5 ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y6 ff2 fs0 fc0 sc0 ls0 ws0">随着能源需求的不断增长和传统能源的逐渐减少<span class="ff4">,</span>煤层气作为一种清洁<span class="ff3">、</span>高效的能源资源<span class="ff4">,</span>受到了越</div><div class="t m0 x1 h2 y7 ff2 fs0 fc0 sc0 ls0 ws0">来越多的关注<span class="ff3">。</span>煤层气的运移规律及其与地质条件的关系是煤层气开采过程中的重要研究内容<span class="ff3">。</span>本文</div><div class="t m0 x1 h2 y8 ff2 fs0 fc0 sc0 ls0 ws0">将重点分析煤层气运移的<span class="_ _0"> </span><span class="ff1">THM<span class="_ _1"> </span></span>模型以及渗透率孔隙度模型<span class="ff4">,</span>探讨这些模型在煤层气开采中的应用<span class="ff3">。<span class="ff1"> </span></span></div><div class="t m0 x1 h3 y9 ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 ya ff2 fs0 fc0 sc0 ls0 ws0">二<span class="ff3">、</span>煤层气运移<span class="_ _0"> </span><span class="ff1">THM<span class="_ _1"> </span></span>模型<span class="ff1"> </span></div><div class="t m0 x1 h3 yb ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 yc ff1 fs0 fc0 sc0 ls0 ws0">THM<span class="_ _1"> </span><span class="ff2">模型是指热</span>-<span class="ff2">水</span>-<span class="ff2">力学耦合模型<span class="ff4">,</span>是研究煤层气运移的重要工具<span class="ff3">。</span>在煤层气开采过程中<span class="ff4">,</span>温度<span class="ff3">、</span>压</span></div><div class="t m0 x1 h2 yd ff2 fs0 fc0 sc0 ls0 ws0">力和应力等物理场的变化对煤层气的运移有着重要影响<span class="ff3">。</span>因此<span class="ff4">,<span class="ff1">THM<span class="_ _1"> </span></span></span>模型通过综合考虑这些因素的影</div><div class="t m0 x1 h2 ye ff2 fs0 fc0 sc0 ls0 ws0">响<span class="ff4">,</span>能够更好地描述煤层气的运移规律<span class="ff3">。<span class="ff1"> </span></span></div><div class="t m0 x1 h3 yf ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y10 ff1 fs0 fc0 sc0 ls0 ws0">1.<span class="_ _2"> </span>THM<span class="_ _1"> </span><span class="ff2">模型的基本原理</span> </div><div class="t m0 x1 h3 y11 ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y12 ff1 fs0 fc0 sc0 ls0 ws0">THM<span class="_ _1"> </span><span class="ff2">模型基于多场耦合理论<span class="ff4">,</span>通过考虑温度场<span class="ff3">、</span>渗流场和应力场的相互作用<span class="ff4">,</span>研究煤层气的运移规律</span></div><div class="t m0 x1 h2 y13 ff3 fs0 fc0 sc0 ls0 ws0">。<span class="ff2">在模型中<span class="ff4">,</span>温度场的变化会影响煤层的渗透性和孔隙度<span class="ff4">,</span>从而影响煤层气的运移速度和储量</span>。<span class="ff2">渗流</span></div><div class="t m0 x1 h2 y14 ff2 fs0 fc0 sc0 ls0 ws0">场的变化则反映了煤层气在煤层中的实际运移情况<span class="ff3">。</span>而应力场的变化则与地层的变形和移动有关<span class="ff4">,</span>对</div><div class="t m0 x1 h2 y15 ff2 fs0 fc0 sc0 ls0 ws0">煤层气的储集和运移产生重要影响<span class="ff3">。<span class="ff1"> </span></span></div><div class="t m0 x1 h3 y16 ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y17 ff1 fs0 fc0 sc0 ls0 ws0">2.<span class="_ _2"> </span>THM<span class="_ _1"> </span><span class="ff2">模型的应用</span> </div><div class="t m0 x1 h3 y18 ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y19 ff1 fs0 fc0 sc0 ls0 ws0">THM<span class="_ _1"> </span><span class="ff2">模型在煤层气开采中有着广泛的应用<span class="ff3">。</span>通过建立<span class="_ _0"> </span></span>THM<span class="_ _1"> </span><span class="ff2">模型<span class="ff4">,</span>可以预测煤层气的运移规律<span class="ff4">,</span>优化开</span></div><div class="t m0 x1 h2 y1a ff2 fs0 fc0 sc0 ls0 ws0">采方案<span class="ff4">,</span>提高开采效率<span class="ff3">。</span>同时<span class="ff4">,<span class="ff1">THM<span class="_ _1"> </span></span></span>模型还可以用于评估煤层气的储量和开采潜力<span class="ff4">,</span>为煤层气资源的</div><div class="t m0 x1 h2 y1b ff2 fs0 fc0 sc0 ls0 ws0">开发和利用提供重要依据<span class="ff3">。<span class="ff1"> </span></span></div><div class="t m0 x1 h3 y1c ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y1d ff2 fs0 fc0 sc0 ls0 ws0">三<span class="ff3">、</span>渗透率孔隙度模型<span class="ff1"> </span></div><div class="t m0 x1 h3 y1e ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y1f ff2 fs0 fc0 sc0 ls0 ws0">渗透率孔隙度是描述煤层物性特征的重要参数<span class="ff4">,</span>对煤层气的运移和储集有着重要影响<span class="ff3">。</span>渗透率孔隙度</div><div class="t m0 x1 h2 y20 ff2 fs0 fc0 sc0 ls0 ws0">模型是通过分析煤层的物性特征<span class="ff4">,</span>建立起来的描述煤层渗透性和孔隙度的数学模型<span class="ff3">。<span class="ff1"> </span></span></div><div class="t m0 x1 h3 y21 ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y22 ff1 fs0 fc0 sc0 ls0 ws0">1.<span class="_ _2"> </span><span class="ff2">渗透率孔隙度的基本概念</span> </div><div class="t m0 x1 h3 y23 ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y24 ff2 fs0 fc0 sc0 ls0 ws0">渗透率是描述煤层对气体运移的阻碍程度的物理量<span class="ff4">,</span>而孔隙度则表示煤层中孔隙空间的体积与总体积</div><div class="t m0 x1 h2 y25 ff2 fs0 fc0 sc0 ls0 ws0">的比值<span class="ff3">。</span>这两个参数对于描述煤层的物性特征和煤层气的运移规律具有重要意义<span class="ff3">。<span class="ff1"> </span></span></div><div class="t m0 x1 h3 y26 ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y27 ff1 fs0 fc0 sc0 ls0 ws0">2.<span class="_ _2"> </span><span class="ff2">渗透率孔隙度模型的应用</span> </div><div class="t m0 x1 h3 y28 ff1 fs0 fc0 sc0 ls0 ws0"> </div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div>