Research progress of evaluation of CO<sub>2</sub> storage potential and suitability assessment indexes in saline aquifers

ZHAO Yulong; YANG Bo; CAO Cheng; ZHANG Liehui; ZHOU Xiang; HUANG Chenzhi; RUI Yiming; LI Jinlong

doi:10.13809/j.cnki.cn32-1825/te.2023.04.010

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Research progress of evaluation of CO₂ storage potential and suitability assessment indexes in saline aquifers
Vol. 13, Issue 4, Pages: 484-494(2023)
Published：2023
DOI： 10.13809/j.cnki.cn32-1825/te.2023.04.010
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DOI：

ZHAO Yulong, YANG Bo, CAO Cheng, et al. Research progress of evaluation of CO₂ storage potential and suitability assessment indexes in saline aquifers[J]. Petroleum Reservoir Evaluation and Development, 2023, 13(4): 484-494. DOI： 10.13809/j.cnki.cn32-1825/te.2023.04.010.

摘要

盐水层CO

封存是可行的技术部署方案之一，也是中长期CO

深度减排的主要方式。针对盐水层封存潜力的评估要求，对CO

地质封存的4种封存机理进行了系统阐述，并基于封存机理对沉积盆地中盐水层封存潜力的计算方法进行了梳理分析。通过总结归纳国内外盐水层封存评价体系，建立了涵括安全、技术、经济和社会环境4类评价指标层的盐水层封存适宜性评价指标体系，利用层次分析法确定了各指标的权重。对于具有开放构造和丰富水文地质作用的盐水层，推荐考虑残余气封存和溶解封存结合的方法评估封存潜力，盐水层CO

地质封存适宜性评价指标体系的建立为开展全国性的CO

封存适宜性评价工作提供参考。

Abstract

storage in saline aquifers is one of the feasible technical deployment schemes

and it is also the main approach to reduce CO

emission in the medium and long term. To meet the assessment requirements of the storage potential in saline aquifers

four CO

geological storage mechanisms are systematically expounded. Based on the storage mechanism

an evaluation index system for the suitability of CO

geological storage in saline aquifers is established

including four evaluation index layers of safety

technology

economy

and social environment. The weight of each evaluation index factor is calculated using the analytic hierarchy process. For salin

e aquifers with an open structure and rich hydrogeology

it is recommended to consider the combination of residual trapping and solubility trapping to evaluate CO

storage potential. The CO

geological storage suitability evaluation index system of saline aquifers provides a reference for conducting the national CO

storage suitability evaluation.

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Research progress of evaluation of CO2 storage potential and suitability assessment indexes in saline aquifers

DOI： 10.13809/j.cnki.cn32-1825/te.2023.04.010

摘要

Abstract

关键词

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references

Research progress of evaluation of CO₂ storage potential and suitability assessment indexes in saline aquifers