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国内外大量研究表明水平井筒内的压降对水平井内的生产动态有较大影响。将给出考虑水平井压降时射孔水平井产量的耦合方程并用Visual Basic软件编制计算产量的可视化窗口。通过实例计算对影响产量的敏感性因素进行分析,并对无限导流情况下的水平井的产量和考虑水平井压降时水平井的产量进行对比。
A large number of studies at home and abroad show that the pressure drop in the horizontal wellbore has a great influence on the production dynamics in the horizontal well. A coupled equation that accounts for the production of horizontal wells with perforations in consideration of horizontal well pressure drop will be given and a visualization window to calculate yield will be created using Visual Basic software. Through case study, the sensitivity factors influencing yield were analyzed. The yield of horizontal wells under infinite diversion flow was compared with that of horizontal wells under the pressure drop of horizontal wells.