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Research of Pressure Drop Rule of Heavy Oil Carrying Sand in Horizontal Wellbore

机译:水平井筒中重油携砂压降规律研究

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摘要

In order to solve the sand particle migration issues in the loose sandstone heavy oil reservoir horizontal wellbore, based on the solid-liquid two-phase flow theory, establishing double layered fluid flow model includes solid-phase layer and liquid-phase layer, deducing the liquid-solid flows pressure gradient expression in horizontal pipe, with the numerical example to calculate and analyze trend of pressure gradient, the results show that in the confirmation's flow type condition the influence of moisture content and temperature are similar to pressure gradient.
机译:为了解决松散砂岩稠油油藏水平井眼中的砂粒运移问题,基于固液两相流理论,建立了包含固相层和液相层的双层流体模型,推导了通过水平管内液固两相流压力梯度表达式,以数值算例对压力梯度的变化趋势进行了分析和计算,结果表明,在确认的流型条件下,水分和温度的影响与压力梯度相似。

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