井底降压差短节显著提高机械钻速 |
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引用本文: | 徐华义,聂翠平.井底降压差短节显著提高机械钻速[J].石油钻探技术,1998,26(1):41-42,45. |
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作者姓名: | 徐华义 聂翠平 |
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作者单位: | [1]西安石油学院 [2]西安石油学院石油工程系 |
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摘 要: | 提出了最新研制的井底降压差短节的设计原理,介绍了其水力参数设计和现场试验情况。在坪西1井的现场试验表明,井底降压差短节能降低井底压差,减少井底压持效应,可提高机械钻速12%,具有推广应用价值。
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关 键 词: | 钻井液密度 压差 原理 水力参数设计 现场试验 钻井速度 坪西1井 |
Bottomhole Differential Pressure Decreasing Nipple Improves Drilling Speed Dramatically |
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Abstract: | The hydraulic design principle and field test of bottomhole differential pressure decreasing nipple are introduced.The field tests in Pingxi 1 Well shows that it can improve the drilling speed by 12%,and it is a new type of special tool to improve the drilling speed. |
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Keywords: | nipple drilling fluid density differential pressure hydraulic design field testing drilling speed Pingxi 1 Well |
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