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海洋钻井井筒内温度确定

Offshore Oil(2008)

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Abstract
海洋钻井诸多问题的解决都依赖于井筒内温度的准确确定。根据能量守恒原理,推导出了海洋深水钻井温度场的控制方程,包括环空内、钻杆内以及地层内的温度场方程,并给出了方程求解的定解条件。计算结果表明:环空内的温度会受到钻井液密度和循环流量的影响,密度越大、流量越低,环空温度越接近于外部环境温度。
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Key words
circulation volume,marine drilling,borehole,drilling fluid density,temperature
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