李海燕;高阳;王万福;陈昌照;黄海龙;

• 1:中国石油大学(北京)地球科学学院

• 2:中国石油安全环保技术研究院

摘要(Abstract)：

为了探讨CO2注入咸水层后岩石及流体的变化,应用研制的高压釜实验装置,模拟地层条件下(109℃、33.1MPa)饱和CO2地层水—岩石相互作用,证明CO2矿化封存的可行性,并分析超临界CO2注入后岩样中矿物的溶蚀、沉淀及溶液的变化原因.实验前后岩心质量、扫描电镜及溶液检测资料对比结果表明:超临界的CO2溶于水使咸水层酸性增强,然后与碎屑岩储层砂岩相互作用改变砂岩的矿物组成,生成固碳新矿物,从而实现CO2的永久封存;在CO2—水—岩石相互作用的过程中,砂岩中的长石、黏土等可溶矿物发生溶蚀,同时也生成方解石、菱镁矿和菱铁矿等固碳矿物及高岭石、绿泥石等非固碳矿物,其中固碳矿物的生成表明该储层CO2封存的可行性和稳定性;模拟超临界CO2注入后,短时间内岩石中的长石溶蚀和黏土矿物的溶解过程及新矿物的沉淀,为CO2在咸水层中的封存机制提供地球化学依据.

关键词(KeyWords)：CO2;咸水层;矿化封存;水—岩石相互作用;南堡凹陷

Abstract:

Keywords:

基金项目(Foundation):国家自然科学青年科学基金项目(41202181);; 中国石油科技创新基金项目(2012D-5006-0106);; 国家重点基础研究发展计划(973计划)项目(2011CB707302);; 国家科技重大专项(2011E-24-09);; 中国石油大学(北京)基金项目(KYJJ2012-01-27)

作者(Author):李海燕;高阳;王万福;陈昌照;黄海龙;

Email:

参考文献(References)：

• [1]江怀友,沈平平,宋新民,等.世界气候变暖及二氧化碳埋存现状与展望[J].古地理学报,2008,10(3):323-328.Jiang Huaiyou,Shen Pingping,Song Xinmin,et al.Global warming and current status and prospect of CO2underground storage[J].Journal of Palaeogeography,2008,10(3):323-328.

• [2]杨永智,沈平平,宋新民,等.咸水层温室气体地质埋存机理及潜力计算方法评价[J].吉林大学学报:地球科学版,2009,39(4):744-748.Yang Yongzhi,Shen Pingping,Song Xinmin,et al.Greenhouse gas geo-sequestration mechanism and capacity evaluation in aquifer[J].Journal of Jilin University:Earth Science Edition,2009,39(4):744-748.

• [3]沈平平,廖新维,刘庆杰.二氧化碳在油藏中埋存量计算方法[J].石油勘探与开发,2009,36(2):216-220.Shen Pingping,Liao Xinwei,Liu Qingjie.Methodology for estimation of CO2storage capacity in reservoirs[J].Petroleum Exploration and Development,2009,36(2):216-220.

• [4]张凤君,王怀远,王广华,等.CO2流体与储层砂岩相互作用机理实验[J].吉林大学学报:地球科学版,2012,42(3):821-826.Zhang Fengjun,Wang Huaiyuan,Wang Guanghua,et al.Experiment on mechanism of CO2fluid interacting with sandstone layer[J].Journal of Jilin University:Earth Science Edition,2012,42(3):821-826.

• [5]李小春,刘延锋,白冰,等.中国深部咸水含水层CO2储存优先区域选择[J].岩土力学与工程学报,2006,25(5):963-968.Li Xiaochun,Liu Yanfeng,Bai Bing,et al.Ranking and screening of CO2saline aquifer storage zones in China[J].Chinese Journal of Rock Mechanics and Engineering,2006,25(5):963-968.

• [6]江怀友,沈平平,罗金玲,等.世界二氧化碳封存技术现状与展望[J].中国能源,2010,32(6):28-32.Jiang Huaiyou,Shen Pingping,Luo Jinling,et al.Status and advancement of world CO2storage technologies[J].China Energy,2010,32(6):28-32.

• [7]李海燕,彭仕宓,许明阳,等.CO2在深部咸水层中的埋存机制研究进展[J].科技导报,2013,31(2):72-79.Li Haiyan,Peng Shimi,Xu Mingyang,et al.CO2storage mechanism in deep saline aquifers[J].Science&Technology Review,2013,31(2):72-79.

• [8]Xue Ziqiu,Saeko M,Keigo K,et al.Case study-trapping mechanisms at the pilot-scale CO2injection site,Nagaoka,Japan[J].Energy Procedia,2009(1):2057-2062.

• [9]Eric T,Chris J,Allison L,et al.Importance of mineral sequestration during CO2gas migration—A case study from the Greater Gorgon area[J].Energy Proceida,2011(4):5074-5078.

• [10]Maria García-Rios,Linda L,Josep M,et al.Laboratory-scale interaction between CO2-rich brine and reservoir rocks(limestone and sandstone)[J].Procedia Earth and Planetary Science,2013(7):109-112.

• [11]Franziska D H W,Mónica V,Thomas W,et al.On the interaction of pure and impure supercritical CO2with rock forming minerals in saline aquifers an experimental geochemical approach[J].Applied Geochemistry,2012(27):1615-1622.

• [12]Pang Zhonghe,Kong Yanlong,Li Yiman,et al.Water-rock interaction in CO2sequestration in a depleted oil reservoir pilot test[J].Procedia Earth and Planetary Science,2013(7):656-659.

• [13]Wang Tianye,Wang Huaiyuan,Zhang Fengjun,et al.Simulation of CO2-water-rock interactions on geologic CO2sequestration under geological conditions of China[J].Marine Pollution Bulletin,2013,76(1):307-314.

• [14]Qiao Xiaojuan,Li Guomin,Li Ming,et al.CO2storage capacity assessment of deep saline aquifers in the Subei basin,east China[J].International Journal of Greenhouse Gas Control,2012(11):52-63.

• [15]李汶国,张晓鹏,钟玉梅.长石砂岩次生溶孔的形成机理[J].石油与天然气地质,2005,26(2):220-223.Li Wenguo,Zhang Xiaopeng,Zhong Yumei.Formation mechanism of secondary dissolved pores in arcose[J].Oil and Gas Geology,2005,26(2):220-223.

• [16]王广华,赵静,张凤君,等.砂岩储层中CO2-地层水-岩石的相互作用[J].中南大学学报:自然科学版,2013,44(3):1167-1173.Wang Guanghua,Zhao Jing,Zhang Fengjun,et al.Interactions of CO2-brine-rock in sandstone reservoir[J].Journal of Central South University:Nature Science Edition,2013,44(3):1167-1173.