CO_2地质埋存技术与应用  

STORAGE OF CO_2 IN GEOLOGIC FORMATIONS AND ITS APPLICATION

作　　者：罗二辉[1] 胡永乐[1] 李昭[2] 

机构地区：[1]中国石油勘探开发研究院,北京100083 [2]中国地质调查局油气资源调查中心,北京100029

出　　处：《新疆石油天然气》2013年第3期14-21,4-5,共8页Xinjiang Oil & Gas

基　　金：国家科技重大专项"CO2驱油与埋存潜力评价及战略规划"(2011ZX05016-006)

摘　　要：全球CO2每年排放量约240×108t,地质埋存技术被认为是近期内温室气体减排的主力军。本文首先简要介绍了国际性气候变化会议发展历程,阐述了中国的CO2减排行动、地质埋存路线和地下封存潜力。其次,总结了国内外CO2在高含水老油田、低渗透油藏、天然气田、页岩、煤层、废弃气藏和凝析气藏、盐水层、废弃油藏、煤炭开采废弃矿井区等地质体的提高采收率与埋存"双赢"技术以及封存机理、研究方法、关键技术、示范项目及封存量等,描述了海洋封存、海底沉积物层内封存、CO2水合物方式存储、CO2置换强化开采天然气水合物、CO2作为注入介质开采地热等最新研究动态。最后结合安全埋存,探讨了CO2地质埋存技术的相关科学问题,为我国下一步的CO2地质埋存汲取先进经验。Emissions of CO2 are approximately 240 × 108t / yr in the world,and storing CO2 in geologic formations is one of main approaches recently.Firstly,this paper introduced briefly the history of international climate change conferences,and elaborated carbon emission reduction actions,geological storage roadmaps and sequestration potential capacity in China.Secondly,the win-win technique of CO2-EOR and storage and sequestration mechanism,research methods,key techniques,demonstration projects,storage capacity of different geologic formations including high cut mature oilfields,low permeability reservoirs,natural gas fields,shale,depleted gas and condensate reservoirs,aquifer,depleted oil reservoirs and abandoned wells in coal production were summarized at home and abroad.Latest researches including ocean sequestration,sub-sea sediments sequestration,CO2 hydrate storage,CO2 displacing natural hydrate and enhanced geothermal systems using CO2 as working fluid were depicted.Finally,relevant problems of CO2 geological storages were discussed according to safety storage.These provide advanced experience for China further CO2 geological storage.

关 键 词：温室气体 CO2地质埋存 油气藏 盐水层 煤层 安全埋存 

分 类 号：P69[天文地球—地质学] TE357.7[石油与天然气工程—油气田开发工程]