启动压力梯度是流体在低渗透油藏中渗流时必须有一个附加的压力梯度克服岩石表面吸附膜或水化膜引起的阻力才能流动,该附加压力梯度称为启动压力梯度。
文章详细信息 关键词: 低渗透;;有效驱动半径;;非线性;;厚度;;启动压力梯度 [gap=913]Keywords: -low permeability;effective drive radius;nonlinear;thickness;threshold pressure gradient
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变形介质低渗透气藏水平井产能分析-中国天然气全景网 关键词: 水平井;非均质性;压力敏感效应;启动压力梯度;表皮效应;产能预测[gap=1160]KEYWORDS:Horizontal well;Heterogeneity;Stress sensibility;Startup pressure gradient;Skin effect;Productivity prediction
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给出了考虑注采比和启动压力梯度的平均地层压力和边界压力的确定方法。
The method is presented to determine formation average pressure and boundary pressure with threshold pressure gradient and injection-production ratio.
考虑启动压力梯度和介质变形的影响,研究低渗透油藏中直井产量的变化规律。
With consideration of start up pressure gradient and media deformation, this paper studies vertical well production in low permeable reservoirs.
因此,在进行低渗透油藏垂直裂缝井产能分析时,必须考虑启动压力梯度的影响。
Therefore, the impact of starting pressure gradient must be considered when analyzing the productivity of vertical fracture well in low permeability reservoir.
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