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A novel method of acquiring geothermal energy from unconsolidated sandstone reservoir by multi-directional wells deep borehole heat exchanger
Wang, Yanxin1; Bu, Xianbiao2
2021-08-01
发表期刊CASE STUDIES IN THERMAL ENGINEERING
ISSN2214-157X
卷号26页码:8
通讯作者Bu, Xianbiao(buxb@ms.giec.ac.cn)
摘要The clogging problem during injection seriously limits the development and utilization of geothermal resources in unconsolidated sandstone area. Deep borehole heat exchanger can circumvent the problem of clogging, and however, high drilling and completion costs restrict its application. To reduce the drilling and completion costs and shorten the payback period, here a multi-directional wells deep borehole heat exchanger (MDWDBHE) system is proposed by sharing the vertical well and drilling directional wells at the lower part of vertical well with high extracted thermal output per meter well depth. The research result shows that for vertical well without directional well, the dynamic payback period is 18.55 years, while for MDWDBHE having 3 and 4 directional wells with the deflection point depth of 2000 m, the dynamic payback period is respectively 7.70 and 7.51 years, indicating that MDWDBHE can be popularized on a large scale just like the shallow ground source heat pump.
关键词Deep borehole heat exchanger Unconsolidated sandstone Directional wells Multi-directional wells deep borehole heat exchanger
DOI10.1016/j.csite.2021.101157
关键词[WOS]ABANDONED OIL-WELLS ; PERFORMANCE ; EXTRACTION ; SIMULATION
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China[41972314]
WOS研究方向Thermodynamics
项目资助者National Natural Science Foundation of China
WOS类目Thermodynamics
WOS记录号WOS:000672605000010
出版者ELSEVIER
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/33455
专题中国科学院广州能源研究所
通讯作者Bu, Xianbiao
作者单位1.Sinopec Star Petr Co LTD, Beijing 100083, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
推荐引用方式
GB/T 7714
Wang, Yanxin,Bu, Xianbiao. A novel method of acquiring geothermal energy from unconsolidated sandstone reservoir by multi-directional wells deep borehole heat exchanger[J]. CASE STUDIES IN THERMAL ENGINEERING,2021,26:8.
APA Wang, Yanxin,&Bu, Xianbiao.(2021).A novel method of acquiring geothermal energy from unconsolidated sandstone reservoir by multi-directional wells deep borehole heat exchanger.CASE STUDIES IN THERMAL ENGINEERING,26,8.
MLA Wang, Yanxin,et al."A novel method of acquiring geothermal energy from unconsolidated sandstone reservoir by multi-directional wells deep borehole heat exchanger".CASE STUDIES IN THERMAL ENGINEERING 26(2021):8.
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