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本文根据波动压力计算方法推导出了最大许用起钻速度和下钻速度的计算公式。为了便于应用,还编写了计算机程序。 许用起下钻速度的确定是平衡钻井技术的匝要内容之一,控制起下钻速度在许用范围内是防止或减少井涌和井漏的必要措施。
Based on the calculation method of fluctuating pressure, this paper deduces the formula of maximum allowable drilling speed and drilling speed. In order to facilitate the application, also prepared a computer program. The determination of allowable drill-down speed is one of the contents of the balanced drilling technology. Controlling the drilling speed within the allowable range is a necessary measure to prevent or reduce kick and leakage.