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MODELING HORIZONTAL WELL OIL PRODUCTION USING MODIFIED BRINKMAN'S MODEL

机译:使用修正的布林克曼模型模拟水平井采油

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摘要

Horizontal well oil production has been numerically studied by using the Modified Brinkman's Model. This model has been used along with the Darcy-Weisbach pipe flow equation in modeling of coupled porous medium/pipe flow. The results include seepage flow rate along the horizontal well, velocity distribution, pressure drop, and production pressure drop between the two ends of the horizontal well. They have been compared with those from Darcy model. It is found that when the fluid's viscosity is low, there is a big difference between the results from the two models. However, when the fluid's viscosity is high, the difference tends to vanish. In addition, two striking findings have been observed: (a) the curves for the distribution of the seepage flow rate along the pipeline are more flat than that from Darcy model. However, a higher viscosity makes the curve more uneven. This reverses the trend from Darcy model. (b) The velocity in the pipe is more uniform by MBM than that by Darcy model. The curves of V ~x become more uniform in the pipe when the fluid has a lower viscosity. This again reveres the trend from the Darcy model.
机译:通过使用修正的布林克曼模型对水平井的采油量进行了数值研究。该模型已与Darcy-Weisbach管道流量方程式一起用于耦合多孔介质/管道流量的建模。结果包括沿水平井的渗漏流速,水平井两端之间的速度分布,压降和生产压降。他们已与达西模型进行了比较。结果发现,当流体粘度较低时,两个模型的结果之间会有很大差异。但是,当流体的粘度高时,差异趋于消失。此外,还观察到两个惊人的发现:(a)沿管道的渗流率分布曲线比达西模型的曲线更平坦。但是,较高的粘度会使曲线更加不均匀。这扭转了达西模型的趋势。 (b)MBM的管道速度比Darcy模型的管道速度更均匀。当流体粘度较低时,V〜x的曲线在管道中变得更加均匀。这再次证明了Darcy模型的趋势。

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