| 风动潜孔锤反循环钻井最小注气量模型 |
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| 引用本文： | 黄勇,殷琨,朱丽红.风动潜孔锤反循环钻井最小注气量模型[J].中国石油大学学报(自然科学版),2011,35(5):65-69. |
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| 作者姓名： | 黄勇 殷琨 朱丽红 |
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| 作者单位： | 1. 吉林大学建设工程学院,吉林长春130026;吉林大学国土资源部复杂条件钻进技术开放研究实验室,吉林长春130026;吉林大学国土资源部地球探测技术与仪器重点实验室,吉林长春130026
2. 中国石油大学石油工程学院,山东青岛,266555 |
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| 基金项目： | 中国地质调查局项目，四川石油钻井工艺技术研究院项目，山东省自然科学基金 |
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| 摘 要： | 根据风动潜孔锤反循环钻进技术的特点,借鉴最小动能法推导出风动潜孔锤反循环钻井满足携屑能力的最小注气量和中心通道内最低井底压力,二者耦合得出风动潜孔锤反循环钻井最小注气量模型,结合GQ-320型潜孔锤工程算例,计算出不同机械钻速下最小注气量,并将模型计算结果与现场实测气量值进行比较。结果表明:在地层条件完整或漏失不严重的情况下,风动潜孔锤反循环钻井最小注气量计算值与现场实测值吻合较好;实例井上返岩屑的速度分析与现场未洗井情况一致,验证了模型的可靠性。
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| 关 键 词： | 气体钻井 潜孔锤 反循环 注气量 |
The minimum gas injection volume model of pneumatic DTH hammer reverse circulation drilling |
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| HUANG Yong,YIN Kun,ZHU Li-hong.The minimum gas injection volume model of pneumatic DTH hammer reverse circulation drilling[J].Journal of China University of Petroleum,2011,35(5):65-69. |
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| Authors: | HUANG Yong YIN Kun ZHU Li-hong |
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| Institution: | HUANG Yong1,2,3,YIN Kun1,ZHU Li-hong4 (1.College of Construction Engineering,Jilin University,Changchun 130026,China,2.Laboratory of Technology for Drilling under Complex Condition of Ministry of Land and Resources,3.Key Laboratory of Geodetection Technology & Instrumentation of Ministry of Land Resources,4.School of Petroleum Engineering in China University of Petroleum,Qingdao 266555,China) |
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| Abstract: | According to the characteristics of pneumatic DTH hammer reverse circulation drilling technology,the minimum gas volume flow rate satisfying the minimum capacity of carrying scrap and the minimum bottom hole pressure within the central channel of pneumatic DTH hammer reverse circulation drilling were deduced using the kinetic energy method.Then,the model of the minimum gas volume flow rate of pneumatic DTH hammer reverse circulation drilling was established.Combined with the GQ-320 type DTH hammer practical... |
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| Keywords: | gas drilling DTH hammer reverse circulation gas injection volume |
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