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多相管流在石油工程中占有重要地位。本文总结了多相管流模型的基本压降方程及5种多相管流模型的适用条件。在此基础上,使用Wellflo节点分析软件,根据渤海某油田水平井的现场测试数据建立模型。利用实测数据对不同多相管流计算方法进行评价,通过误差统计的方法选择适用性较高的多相管流模型,以提高压力剖面计算精度。
Multiphase flow in petroleum engineering occupies an important position. This paper summarizes the basic pressure drop equations of multiphase flow model and the applicable conditions of five multiphase flow models. On this basis, the wellflo node analysis software is used to build a model based on the field test data of a horizontal well in a certain oil field in the Bohai Sea. The measured data were used to evaluate the different methods of multi-phase pipe flow calculation, and the multi-phase flow model with high applicability was selected by error statistics to improve the accuracy of pressure section calculation.