Water Upconing in Underground Hydrogen Storage: Sensitivity Analysis to Inform Design of Withdrawal

IF 2.7 3区工程技术 Q3 ENGINEERING, CHEMICAL

Transport in Porous Media Pub Date : 2023-10-26 DOI:10.1007/s11242-023-02033-0

Curtis M. Oldenburg, Stefan Finsterle, Robert C. Trautz

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Abstract

The gas–water interface in Underground Hydrogen Storage (UHS) reservoirs creates the possibility that water will upcone to the well during hydrogen (H₂) withdrawal with detrimental impacts. We study the upconing of water to a hydrogen injection/withdrawal (I/W) well using both an analytical solution and numerical simulation. We carried out sensitivity analyses of the engineered properties (e.g., distance of well bottom to gas–water interface, withdrawal rate) and the intrinsic properties (e.g., reservoir permeability, porosity) of an idealized UHS system. Horizontal permeability is the main parameter controlling the height of upconing. Daily I/W cycles to some degree mitigate upconing because injection pushes down the gas–water interface. Sampling-based global sensitivity analyses show clearly that reservoirs with large horizontal permeability are preferred for avoiding upconing. Minimizing withdrawal rate and maximizing either the distance from well to gas–water interface or the length of the perforated well interval are important engineering controls to minimize upconing.

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地下储氢中的水上涌：敏感性分析为取水设计提供依据

地下储氢（UHS）储层中的气水界面可能会导致水在抽取氢气（H2）时上锥到井中，从而产生有害影响。我们采用分析解法和数值模拟法研究了注氢/抽氢井（I/W）的水上涌问题。我们对工程特性（如井底到气水界面的距离、抽采率）和理想化 UHS 系统的固有特性（如储层渗透率、孔隙度）进行了敏感性分析。水平渗透率是控制上冲高度的主要参数。由于注水推动气-水界面下移，因此每日 I/W 循环在一定程度上缓解了上coning。基于采样的全球敏感性分析清楚地表明，水平渗透率大的储层是避免上conting的首选。最小化抽采率，最大化油井到气水界面的距离，或者最大化射孔井间隔的长度，都是最大限度减少上冲的重要工程控制手段。

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来源期刊

Transport in Porous Media 工程技术-工程：化工

CiteScore

5.30

自引率

7.40%

发文量

155

审稿时长

4.2 months

期刊介绍： -Publishes original research on physical, chemical, and biological aspects of transport in porous media- Papers on porous media research may originate in various areas of physics, chemistry, biology, natural or materials science, and engineering (chemical, civil, agricultural, petroleum, environmental, electrical, and mechanical engineering)- Emphasizes theory, (numerical) modelling, laboratory work, and non-routine applications- Publishes work of a fundamental nature, of interest to a wide readership, that provides novel insight into porous media processes- Expanded in 2007 from 12 to 15 issues per year. Transport in Porous Media publishes original research on physical and chemical aspects of transport phenomena in rigid and deformable porous media. These phenomena, occurring in single and multiphase flow in porous domains, can be governed by extensive quantities such as mass of a fluid phase, mass of component of a phase, momentum, or energy. Moreover, porous medium deformations can be induced by the transport phenomena, by chemical and electro-chemical activities such as swelling, or by external loading through forces and displacements. These porous media phenomena may be studied by researchers from various areas of physics, chemistry, biology, natural or materials science, and engineering (chemical, civil, agricultural, petroleum, environmental, electrical, and mechanical engineering).