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油嘴是油井生产中重要的流量调节器，选择最佳油嘴直径是生产中的重要环节。本文提出了油嘴直径与其它有关参数的新经验相关式。此式是采用中东10个油田的3554个生产测试数据建立的，它适用于临界流条件。研究数据的统计误差分析结果表明，此相关式优于以前的相关式。
The nozzle is an important flow regulator in oil well production. Choosing the best nozzle diameter is an important part in the production. In this paper, a new empirical correlation between nozzle diameter and other related parameters is proposed. This formula is based on 3554 production test data from 10 fields in the Middle East and is suitable for critical flow conditions. The statistical error analysis of the research data shows that the correlation is superior to the previous correlation.