肖贝,陈磊,杨皝,张译丹,汪飞,芦慧
XIAO Bei,CHEN Lei,YANG Huang,ZHANG Yidan,WANG Fei,LU Hui

• 1:中国石油新疆油田公司勘探开发研究院

摘要(Abstract)：

针对准噶尔盆地咸水层CO_2封存有利区域和封存量认识不清的问题，利用准噶尔盆地地质特点与国内外深部咸水层CO_2地质封存典型项目对比研究的方法，从安全性、经济性和规模性等方面，对准噶尔盆地深部咸水层CO_2地质封存的适宜区域、适宜深度和层位进行研究，并采用碳封存领导人论坛（CSLF）提出的封存量计算方法，对封存潜力进行初步评价。结果表明：准噶尔盆地的石西凸起、滴南凸起、北三台凸起等中东部地区为深部咸水层CO_2地质封存的适宜区域，适宜深度为1 000～3 500 m，主力存储层位为白垩系清水河组、侏罗系三工河组和八道湾组；适宜区内主力存储层CO_2理论封存潜力为606.08×10~8 t。研究成果为下步开展准噶尔盆地深部咸水层CO_2地质封存场地选址提供依据。
In view of undetermined suitable areas and capacity of CO_2 storage in saline aquifers of Junggar Basin, by comparing basic geological characteristics of Junggar Basin with typical projects of CO_2 geological storage in deep saline aquifers in China and abroad, suitable areas, suitable depth range and suitable horizons of CO_2 geological storage in deep saline aquifers in Junggar Basin are studied from aspects of safety, economy and scale, and storage potential is preliminarily evaluated via storage capacity calculation method proposed by Carbon Sequestration Leadership Forum(CSLF). The research results show that central and eastern parts of Junggar basin including Shixi uplift, Dinan uplift and Beisantai uplift are suitable areas for CO_2 geological storage in deep saline aquifers, with suitable depth range of 1 000～3 500 m, and main storage reservoirs of Cretaceous Qingshuihe Formation and Jurassic Sangonghe Formation and Badaowan Formation. Theoretical CO_2 storage potential of main storage reservoirs in suitable areas are 606.08×10~8 t. The research provides evidence for next-step sites selection for CO_2 geological storage in deep saline aquifers in Junggar Basin.

关键词(KeyWords)： 准噶尔盆地;深部咸水层;CO_2地质封存;适宜性评价;封存潜力;计算精度
Jungger Basin;deep saline aquifers;CO_2 geological storage;suitability evaluation;storage potential;calculation accuracy

Abstract:

Keywords:

基金项目(Foundation): 中国石油天然气股份有限公司重大科技专项“CCUS/CCS埋存地质体选区评价及监测关键技术研究”（2021ZZ01-05）

作者(Author): 肖贝,陈磊,杨皝,张译丹,汪飞,芦慧
XIAO Bei,CHEN Lei,YANG Huang,ZHANG Yidan,WANG Fei,LU Hui

DOI: 10.19597/J.ISSN.1000-3754.202308035

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