| 偏心环空中牛顿流体稳态波动压力近似解 |
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| 引用本文： | 汪海阁,刘希圣.偏心环空中牛顿流体稳态波动压力近似解[J].石油钻采工艺,1996,18(2):18-21. |
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| 作者姓名： | 汪海阁 刘希圣 |
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| 作者单位： | 1.清华大学 |
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| 摘 要： | 波动压力的大小与环空见何形状密切相关。在建立同心环空波动压力的精确模式基础上,求解了偏心环空稳态波动压力的近似解。利用多元参数回归的方法,建立了求解偏心环空波动压力的经验模式。计算结果表明:随钻柱与井眼间偏心度增大,波动压力减小。全偏心情况下的波动压力大约只有同心情况下的一半。
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| 关 键 词： | 定向井 水平井 环形空间 牛顿流体 稳定流动 波动压力 计算 |
| 收稿时间： | 2019-05-21 |
APPROXIMATE SOLUTION OF STABLE FLUCTUATION PRESSURE OF NEWTONIAN FLUID IN ECCENTRIC ANNULAR |
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| Wang Haige,Liu Xisheng, Dong Jie.APPROXIMATE SOLUTION OF STABLE FLUCTUATION PRESSURE OF NEWTONIAN FLUID IN ECCENTRIC ANNULAR[J].Oil Drilling & Production Technology,1996,18(2):18-21. |
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| Authors: | Wang Haige Liu Xisheng Dong Jie |
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| Affiliation: | Wang Haige;Liu Xisheng; Dong Jie |
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| Abstract: | The fluctuation pressure closely relates with geometric configuration of annular of we1l bore. On the basis of concentric annular fluctUation pressure model, approximate solution of eccentric annular was soluted. The experience model of eccentric annular has been established by using multiple regression analy8is. Calculating results show that fluctuation pressure decrease with eccentricity between drill stem and well bore increase. |
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| Keywords: | directional well horizontal well annular space Newtonian fluid fluctuation pressure calculation |
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