| 自吸环空流体式自激振荡脉冲射流性能分析与优化 |
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| 引用本文： | 倪红坚,马琳,艾尼瓦尔,杜玉昆,王瑞和,陈祎. 自吸环空流体式自激振荡脉冲射流性能分析与优化[J]. 中国石油大学学报(自然科学版), 2011, 0(6): 76-80,94 |
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| 作者姓名： | 倪红坚 马琳 艾尼瓦尔 杜玉昆 王瑞和 陈祎 |
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| 作者单位： | 中国石油大学石油工程学院;新疆油田井下作业公司钻井分公司; |
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| 基金项目： | 国家“973”重点基础研究发展计划项目(2010CB226703); 国家自然科学基金项目(50974130) |
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| 摘 要： | 为了充分利用井底水力能量提高钻速,提出自吸环空流体式自激振荡脉冲射流钻井技术。采用大涡模拟与试验研究相结合的方法,分析自吸环空流体式自激振荡脉冲射流的调制机制及射流调制工具的结构参数对射流性能的影响。采用正交试验法进行数值模拟试验,优选射流调制工具的结构参数。结果表明:结构参数对射流性能影响显著,结构合理的吸入式自激振荡射流的性能明显优于非吸入式脉冲射流;射流调制工具出口脉冲射流速度脉动值与破岩深度之间呈显著的线性相关,脉动值越大,射流破岩效果越好。数值计算结果与试验结果吻合良好,表明所用研究方法可行。
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| 关 键 词： | 射流钻井 自激振荡 大涡模拟 岩石破碎 正交试验 结构优选 |
Performance analysis and optimization of self-excited pulsed jet suck-in annulus fluids |
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| NI Hong-jian,MA Lin,ANWAR,DU Yu-kun,WANG Rui-he,CHEN Yi. Performance analysis and optimization of self-excited pulsed jet suck-in annulus fluids[J]. Journal of China University of Petroleum (Edition of Natural Sciences), 2011, 0(6): 76-80,94 |
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| Authors: | NI Hong-jian MA Lin ANWAR DU Yu-kun WANG Rui-he CHEN Yi |
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| Affiliation: | NI Hong-jian1,MA Lin1,ANWAR2,DU Yu-kun1,WANG Rui-he1,CHEN Yi1 (1.School of Petroleum Engineering in China University of Petroleum,Qingdao 266555,China,2.Drilling Company of Downhole Operation Company,Xinjiang Oilfield,Karamay 834000,China) |
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| Abstract: | The pulsed water jet drilling technology suck-in annulus fluids was proposed to take full use of the bottom-hole hydraulic power and promote the rock breaking efficiency.The large eddy simulation numerical analysis method was adopted together with laboratory experiments to analyze the modulation mechanism of self-excited pulsed jet suck-in annulus fluids and the effect of structural parameters change on the jet performance of the modulator.The multi-factor orthogonal simulation experiments were done and the... |
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| Keywords: | jet drilling self-excited pulse large eddy simulation rock breaking orthogonal experiment structure optimization |
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