| 地热井洗井工艺探讨 |
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| 引用本文： | 任良治,李勤义,熊章华,杨扬,王冠豪,黎立.地热井洗井工艺探讨[J].地下空间与工程学报,2010,6(Z2). |
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| 作者姓名： | 任良治 李勤义 熊章华 杨扬 王冠豪 黎立 |
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| 作者单位： | 重庆市地质矿产勘查开发局208水文地质工程地质队;江津区国土资源和房屋管理局;重庆市江津区地质矿产监测站; |
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| 摘 要： | 总结了地热井施工的特点,阐明其洗井工序的重要性,介绍了常用的几种洗井方法及其特点。根据岩屑的自由悬浮理论,提出了用压缩空气洗井状态下汽、液、固三相流体的平衡方程。阐述了洗井用空压机型号选择的理论依据。重点探讨了压缩空气正循环和反循环洗井的部分工艺参数。并得出结论:相同条件下,反循环比正循环的排渣效果更好,但其机具加工和安装略为复杂。由于地热井的复杂性,强调地热井洗井时,钻机不能拆离现场。
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| 关 键 词： | 地热井 洗井工艺 反循环 |
Investigation on Flushing Process for Geothermal Well |
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| Ren Liangzhi,Li Qinyi,Xiong Zhanghua,Yang Yang,Wang Guanhao,Li Li.Investigation on Flushing Process for Geothermal Well[J].Chinese Journal of Underground Space and Engineering,2010,6(Z2). |
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| Authors: | Ren Liangzhi Li Qinyi Xiong Zhanghua Yang Yang Wang Guanhao Li Li |
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| Affiliation: | Ren Liangzhi~1,Li Qinyi~2,Xiong Zhanghua~3,Yang Yang~3,Wang Guanhao~3,Li Li~1 (1.Hydrogeology & Engineering Geology Team 208,Chongqing Geological Bureau of Geology and Minerals Exploration,Chongqing 400700,China,2.Jiangjin Administration of Land Resources and Housing,Chongqing 402260,3.Monitoring Station of Geology and Mineral in Jiangjin,China) |
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| Abstract: | This paper summarized the features of the geothermal well construction,clarified the importance of the well flushing process and introduced several kinds of well flushing method.According to the free suspension theory of the cuttings,a balance equation of vapor,liquid and solid under the conditions of compressed air-flushing well is presented.The theoretical basis of choosing air compressor is expounded.Part of the well flushing parameters at the air circulation and reverse circulation is investigated.It is... |
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| Keywords: | geothermal well flushing process reverse circulation |
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