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[1]洪伟民,俞欣然,李玉星.含水层地下储氢性能数值模拟[J].油气储运,2024,43(10):1109-1117.[doi:10.6047/j.issn.1000-8241.2024.10.004]
　HONG Weimin,YU Xinran,LI Yuxing.Numerical simulation of underground hydrogen storage performance in aquifers[J].Oil & Gas Storage and Transportation,2024,43(10):1109-1117.[doi:10.6047/j.issn.1000-8241.2024.10.004]

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含水层地下储氢性能数值模拟

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 43 期数: 2024年10期页码: 1109-1117 栏目: 低碳与新能源出版日期: 2024-10-25

Title:: Numerical simulation of underground hydrogen storage performance in aquifers

文章编号:: 1000-8241（2024）10-1109-09

作者:: 洪伟民; 俞欣然; 李玉星; 中国石油大学（华东）储运与建筑工程学院

Author(s):: HONG Weimin; YU Xinran; LI Yuxing; College of Pipeline and Civil Engineering, China University of Petroleum (East China)

关键词:: 含水层储氢; 注入速率; 采出速率; 相对渗透率滞后; 掺氢比; 回采率

Keywords:: hydrogen storage in aquifers; injection rate; production rate; relative permeability hysteresis; hydrogen blending ratio; recovery rate

分类号:: TE822

DOI:: 10.6047/j.issn.1000-8241.2024.10.004

文献标志码:: A

摘要:: 【目的】随着全球能源结构转型，含水层地下储氢技术因具有大规模储能潜力而成为研究热点，但氢气在含水层内流动规律研究尚不明确。为明确不同注采速率、相对渗透率滞后性及天然气掺氢比对含水层储氢性能的影响，使用CMG（ComputerModellingGroup）软件开展不同工况下的含水层储氢模拟。【方法】通过建立动态模型，模拟相对渗透率滞后效应不同时注入速率为2.5×105m3/d、5×105m3/d，采出速率为2.5×105m3/d、5×105m3/d，天然气掺氢比为10％、25％条件下的含水层储氢工况，分析相关因素对氢气在含水层中的扩散与储存的影响。【结果】较高的注入速率与采出速率都会降低含水层的储氢性能，较高的注入速率降低了相同时间内储存与回采的氢气体积，增大了储层压力；较高的采出速率减少了回采的氢气体积，导致更多氢气滞留在含水层内，增大了储层压力。相对渗透率滞后效应不可避免地导致氢气回采量减少，造成氢能浪费。天然气掺氢比的差异对储氢性能影响不大，但与纯氢相比，掺氢的气体回采能力更强，生产井水积聚的风险更大。【结论】研究结果为含水层地下储氢的优化和实现大规模储氢提供了参考与技术支持。建议后续研究更多掺氢比工况下的相对渗透率曲线，以确保掺氢储存的可靠性。（图18，表2，参27）

Abstract:: [Objective] With the global energy transition, the technology of underground hydrogen storage in aquifers has become a key area of research due to its significant potential for large-scale energy storage. Despite growing interest in this technology both domestically and internationally, the exploration of hydrogen flow in aquifers remains insufficient. To clarify the influence of varying injection and production rates, relative permeability hysteresis, and hydrogen blending ratios in natural gas on the performance of hydrogen storage in aquifers, this study employed the software of Computer Modelling Group (CMG) to simulate hydrogen storage in aquifers under different conditions. [Methods] A dynamic model was developed to simulate hydrogen storage in the aquifer under varying relative permeability hysteresis effects, with injection rates of 2.5×105 m3/d and 5×105 m3/d, production rates of 2.5×105 m3/d and 5×105 m3/d, and hydrogen blending ratios at 10% and 25%. The influence of these factors on hydrogen diffusion and storage in the aquifer was analyzed. [Results] Both high injection and production rates decreased the hydrogen storage performance of the aquifer. Specifically, a high injection rate reduced the volume of hydrogen stored and recovered over the same period while increasing reservoir pressure. Similarly, a high production rate decreased the volume of hydrogen recovered, leading to greater retention of hydrogen in the aquifer and an increase in reservoir pressure. The relative permeability hysteresis effect inevitably resulted in a significant reduction in hydrogen recovery, leading to hydrogen energy waste. Variations in hydrogen blending ratios had a minimal impact on storage performance. However, hydrogen blending improved gas recovery capacity compared to pure hydrogen, albeit with a higher risk of water accumulation in producing wells. [Conclusion] The research results provide a reference for optimizing hydrogen storage performance in aquifers and offer technical support for large-scale hydrogen storage. It is recommended to subsequently measure the relative permeability curve under more hydrogen blending ratio conditions to ensure the reliability of hydrogen-blended storage. (18 Figures, 2 Tables, 27 References)

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相似文献/References:

[1]洪伟民,俞欣然,李玉星.含水层地下储氢性能数值模拟[J].油气储运,2024,43(08):1.
　HONG Weimin,YU Xinran,LI Yuxing.Numerical simulation of underground hydrogen storage performance in aquifers[J].Oil & Gas Storage and Transportation,2024,43(10):1.

备注/Memo

洪伟民，男，1999年生，在读硕士生，2022年毕业于浙江海洋大学油气储运工程专业，现主要从事含水层地下储氢渗流模拟方向的研究工作。地址：山东省青岛市黄岛区长江西路66号，266580。电话：19862217176。Email：z22060049@s.upc.edu.cn
通信作者：俞欣然，女，1994年生，副教授，2021年博士毕业于卡尔加里大学化学与石油工程专业，现主要从事油气藏及含水层储气库渗流力学方向的研究工作。地址：山东省青岛市黄岛区长江西路66号，266580。电话：13775799377。Email：joyyu94@163.com
基金项目：国家自然科学基金青年项目“页岩储层压裂液渗吸、返排机理及多尺度耦合流动机制表征方法的研究”，52204039；国家自然科学基金青年项目“CO2吞吐过程中溶解扩散及其对页岩油的萃取/竞争吸附耦合作用机理研究”，52304059。
· Received: 2024-06-22 · Revised: 2024-08-22 · Online: 2024-08-30

更新日期/Last Update: 2024-10-25