绘制出了溶洞压力导数半对数曲线和井底压力双对数曲线。
According to the semi-logarithmic curve, pressure derivative curves of vugs initially increase and then decrease;
其粒度分布的双对数曲线为多段折线，不同斜率的折线段对应不同的分形维。
The double logarithmic curves of particle number and particle size are folded lines, and each linear section in the curve corresponds to different fractal dimension.
系统具有树种校正功能、温度补偿功能、双对数曲线计算、历史趋势图设计等功能。
The system possesses species correction function, temperature compensation function, double logarithm curve calculation and history tendency chart design function.
对于存在定压边界煤层气藏，压力双对数曲线的晚期是水平直线段，压力导数双对数曲线的晚期都是急剧下掉的曲线。
As for the coal-bed gas reservoirs with constant pressure boundary, the log-log pressure curves are horizontal lines and the log-log pressure derivative curves are falling rapidly in the late stage.
在双对数坐标图上，用实测压力数据和理论无量纲压力曲线拟合，求出低渗透岩心的启动压力梯度。
The TPG is solved by comparison testing pressure curve with theory curves in single log coordinate system.
作为实例，选择了水力学和土力学中常用的关系曲线，它们分别是点绘在双对数、半对数和普通方格纸上的。
As examples, the relation curves plotted on log-paper, semi-log paper and ordinary coordinate paper in hydraulics and soil mechanics were selected.
电磁耦合频率效应特性曲线在双对数座标纸上具有较好的分段线性化特点。
The response curves of frequency effects of EM coupling in logarithmiccoordinates have distinctive fe…
在油藏工程中，广义翁氏预测模型、双对数型产量衰减曲线预测模型和水驱曲线模型都是比较重要的预测模型。
The generalized Weng's model, dual logarithm production decline curve model and water drive curve model are popular to use in reservoir engineering study.
在油藏工程中，广义翁氏预测模型、双对数型产量衰减曲线预测模型和水驱曲线模型都是比较重要的预测模型。
The generalized Weng's model, dual logarithm production decline curve model and water drive curve model are popular to use in reservoir engineering study.
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