动态自主流量控制阀的性能预测

Ivar Leander Johannessen Sørheim, Stian Morken Askvik, H. Åsheim
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引用次数: 0

摘要

流动力通过移动板来调节阀门的开度来控制阀门。粘稠的油容易打开阀门,而不粘稠的水和气体则会使阀门堵塞。它在高流量时也会阻塞。这些特征对水平井的流入控制非常有用。它也可能有更广泛的应用。在不同的流速和流体下,通过一个测试阀测量压降。将测量结果与解析解决方案进行比较,将性能与流体特性、阀门几何形状和尺寸联系起来。对于水和油,测量结果总体上证实了解析解,但也揭示了某些偏差。在空气中测量的性能显示了解析解不能正确预测的现象,其中不包括可压缩性,已发表的类似几何形状的商业流量控制阀的数据表明,性能比目前的实验阀差。由于商业阀门的结构和尺寸是保密的,原因就变成了猜测
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Performance Prediction for Dynamic Autonomous Flow Control Valves
Flow forces controls this valve by moving a plate to adjust the opening. Viscous oil tends to open the valve, while less viscous water and gas make it choke. It also chokes at high flow rates. Such features are useful for inflow control along horizontal well. It may also have wider applications. Pressure drops were measured across a test valve, for different flow rates and fluids. Measurements were compared to an analytic solution, relating performance to fluid properties, valve geometry and dimensions. For water and oil, the measurements generally confirmed the analytic solution, but also revealed certain deviations. Measured performance with air showed phenomena not properly predicted by the analytic solution, which does not include compressibility Published data for a commercial flow control valve of similar geometry indicate poorer performance than for the current experimental valve. Since the construction and dimension of the commercial valve are kept under cover, reasons becomes speculative
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