| 柴油机尾气钻井注气量定量分析 |
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| 引用本文： | 侯学军,高德利. 柴油机尾气钻井注气量定量分析[J]. 中国石油大学学报(自然科学版), 2011, 35(5): 61-64. DOI: 10.3969/j.issn.1673-5005.2011.05.011 |
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| 作者姓名： | 侯学军 高德利 |
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| 作者单位： | 1. 中国石油大学石油工程教育部重点实验室,北京102249;重庆科技学院石油天然气工程学院,重庆401331
2. 中国石油大学石油工程教育部重点实验室,北京,102249 |
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| 基金项目： | 国家“973”计划课题 |
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| 摘 要： | 柴油机尾气钻井是利用柴油机尾气作为循环介质的一种气体钻井。对钻井常用柴油机Z12V190的尾气成分、排量、含氧量、尾气钻井最小注气量进行计算分析。结果表明:柴油机尾气排量随尾气含氧量增加而增加,可通过增加吸入阻力和负载降低含氧量;柴油机尾气钻井最小注气量随关键点压力增加而增加;尾气含氧量必须低于14%才能安全钻进;因受尾气排量限制,柴油机尾气钻井只适用于低压钻井,即使3台柴油机同时工作所提供的最大尾气排量也仅能满足关键点压力为4 MPa时的最小注气量要求,当只有2台或1台柴油机工作时,其钻井压力会更低,甚至不到1 MPa。
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| 关 键 词： | 钻井 柴油机尾气 注气量 含氧量 |
Quantitative analysis of gas injection volume for diesel engine tail gas drilling |
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| HOU Xue-jun,GAO De-li. Quantitative analysis of gas injection volume for diesel engine tail gas drilling[J]. Journal of China University of Petroleum (Edition of Natural Sciences), 2011, 35(5): 61-64. DOI: 10.3969/j.issn.1673-5005.2011.05.011 |
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| Authors: | HOU Xue-jun GAO De-li |
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| Affiliation: | HOU Xue-jun1,2,GAO De-li1 (1.MOE Key Laboratory of Petroleum Engineering in China University of Petroleum,Beijing 102249,China,2.College of Petroleum Engineering in Chongqing University of Science and Technology,Chongqing 401331,China) |
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| Abstract: | Diesel engine tail gas drilling is a kind of gas drilling with engine tail gas as circulating medium.The Z12V190 diesel engine tail gas composition,exhaust rate,oxygen content and minimum gas injection rate of tail gas drilling were analyzed and calculated.The results show that the diesel engine tail gas exhaust rate increases with the oxygen content increasing,and the oxygen content in tail gas can be reduced by increasing suction resistance and diesel engine load.The minimum gas injection rate increases w... |
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| Keywords: | drilling diesel engine tail gas gas injection volume oxygen content |
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