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

Cheng Ting Liu, Hui Fang Li, Pan Pan Yang, Yuan Yuan Hu, Yun Long Dai, Rui Li


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.


sand carrying , solid-liquid two phase flow, double layer flow model, pressure drop

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