Simulation of Fluid Flow Field of High-Temperature Submersible Oil Pump
As an important type of multi-stage centrifugal pump,the high-temperature submersible oil pump plays a vital role in oil extraction technology,which is widely used in oil lifting and collection,especially in complex mining environments such as horizontal well,off-shore and inclined well.The displacement characteristics of pump are determined together by the precise structure of impeller and guide housing,and the stage number of pump is directly related to the head and the required motor power.In the high-temperature working environment such as steam assisted gravity drainage,the performance of the pump is faced with severe test.Therefore,this paper adopts the Fluent software to comprehensively and deeply simulate and an-alyze the external characteristic parameters and internal flow field distribution of the pump under multiple working conditions.The aim of this study is to reveal the flow field law of the pump,and then explore the effective way to reduce pump loss and improve pump efficiency.At the same time,this paper discusses the causes,influencing factors and distribution rules of pres-sure fluctuation in depth,which provides a solid theoretical basis for the optimal design and op-eration of the pump.This research not only has great significance to improve the efficiency of oil extraction and reduce the consumption of energy,but also provides strong support for the effi-cient and stable operation of the pump in complex environment,which promotes the continuous progress of oil extraction technology.