Study of Annular Fluid and Pressure Control in Turbine Drilling of CCSD

机译：CCSD涡轮钻井环形流体和压力控制研究

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According to the characteristics of turbine drilling at the hole-bottom, by applying mathematics and hydraulic theory etc., the parameters of flushing fluid in the hole annular space were studied and optimized, and a basic and practical equation was set up to help to determine hydraulic friction in scientific drilling. Thus, the relative measures which can reduce fluid moving resistance may be taken to control the pressure effectively in the drilling hole.

机译：根据空穴底部的涡轮机钻孔的特点，通过施加数学和液压理论等，研究了孔环形空间中的冲洗流体参数，并进行了优化，并建立了基本实用的方程，以帮助确定科学钻井的水力摩擦。因此，可以采取可以降低流体移动电阻的相对措施来在钻孔中有效地控制压力。

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来源
《International Conference on Geological Engineering》|2009年||共9页
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作者
LI Lianggang; Zhu Yongyi; YI Xiaoming; Shao Chun; Zhang Hui;
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原文格式 PDF
正文语种
中图分类 P642-53;
关键词
Hydraulic thrust boring; Annulus; Turbulent flow; Renault figure;

机译：液压推力镗孔;环空;湍流;雷诺人物;

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4. Study of Annular Fluid and Pressure Control in Turbine Drilling of CCSD [C] . LI Lianggang, Zhu Yongyi, YI Xiaoming, International Conference on Geological Engineering . 2009

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Study of Annular Fluid and Pressure Control in Turbine Drilling of CCSD

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