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1、CO2 sequestration in saline aquifers: the case of the Bohai Bay BasinProf. Dr. Pang ZhongheProf. Dr. Pang Zhonghe Institute of Geology and Geophysics, Chinese Institute of Geology and Geophysics, Chinese Academy of SciencesAcademy of Sciences，Beijing, 100029 CHINA Beijing, 100029 CHINA http:/www.is
2、oh2o.org/http:/www.isoh2o.org/OutlineOutlineWhatWhat s COs CO2 2 Geological Sequestration ?Geological Sequestration ?Overview of COOverview of CO2 2 sequestration in Chinasequestration in ChinaCase studyCase studyan example from the an example from the Bohai Bay Basin (BBB), ChinaBohai Bay Basin (BB
3、B), ChinaFuture work: saline aquifer scienceFuture work: saline aquifer scienceWhats CO2 Geological Sequestration ?Overview of CO2 saline aquifer sequestration in China Scientific research and field test on COScientific research and field test on CO2 2 geological sequestrationgeological sequestratio
4、n COCO2 2 Geological Sequestration AtlasGeological Sequestration Atlas Projects of COProjects of CO2 2 sequestration in deep saline sequestration in deep saline aquifers aquifers COCO2 2 Capture, Utilization and Sequestration Capture, Utilization and Sequestration (CCUS) (CCUS) Scientific research o
5、n CO2 geological sequestrationWater-rock interaction lab simulationC-14 sampling at a test wellCO2 solution: properties and transport at micro- scale and super-critical conditionsMagneto-suspension balanceCap-rock mechanicsBursting pressureNatural analogue study -CO2 gas fieldCharacteristics and geo
6、logical significance sandstone with dawsoniteCO2 sequestration numerical simulationSpatial distribution of CO2 mineral trapping per m3 media , from W. Zhang et al., 20090510152025Ca+2K+Na+Mg+2F-Cl-SO4-2 HCO3-mmol/linitial solutionnCO2=27.82mmolChanges of chemical constitutes of formation before and
7、after CO2 injection, Y. Li et al., 2010CO2 Geological Sequestration AtlasThe National CO2 Storage Capacity and Suitability Assessment The National CO2 Storage Capacity and Suitability Assessment Project which is in charged by the Institute of Hydrogeology andProject which is in charged by the Instit
8、ute of Hydrogeology and Engineering Geology Techniques, Chinese Geological Survey is Engineering Geology Techniques, Chinese Geological Survey is implemented since 2010.implemented since 2010.National CO2 storage capacity and suitability assessment National CO2 storage capacity and suitability asses
9、sment and mapping (1:5,000,000)and mapping (1:5,000,000)Candidate sedimentary basins for CO2 sequestration Candidate sedimentary basins for CO2 sequestration assessment and mapping (1:1,000,000);assessment and mapping (1:1,000,000);Demonstration project of CO2 sequestration in deep saline Demonstrat
10、ion project of CO2 sequestration in deep saline formation in formation in OrdosOrdos basinbasinGeological map of sedimentary basins for CO2 sequestration in China (1:5,000,000)(IHEGT, CGS)(IHEGT, CGS)Sources: IHEG, CGSSources: IHEG, CGSCrust stability of sedimentary basins for CO2 sequestration in C
11、hina 91:5,000,000) Crust stability of sedimentary basins for CO2 sequestration in China 91:5,000,000)Ordos basin (Shenhua)BBB Songliao basin (EOR)CO2 sequestration in deep saline aquifersCO2 Capture, Utilization and Sequestration (CCUS) progressesCO2CO2- -EOR ( e.g. Songliao basin)EOR ( e.g. Songlia
12、o basin)CO2CO2- -ECBMR (e.g. Qinshui basin)ECBMR (e.g. Qinshui basin)CO2 capture progresses in Clean Coal Technology CO2 capture progresses in Clean Coal Technology (HuaNeng) and Transformation from coal to oil (HuaNeng) and Transformation from coal to oil technology (ShenHua )technology (ShenHua )C
13、O2CO2- -EATER EATER CO2-EOR CO2CO2- -EOR: CO2EOR: CO2- - Enhanced Oil RecoveryEnhanced Oil Recovery It has been carried out field testing in It has been carried out field testing in JiangsuJiangsu, , ZhongyuanZhongyuan, , DaqingDaqing, , ShengliShengli and and JilinJilin oilfield and oilfield and co
14、rresponding results such as injection technology, corresponding results such as injection technology, gas/water ratio, CO2 solubility in oil have obtained . gas/water ratio, CO2 solubility in oil have obtained . Conceptual modelCO2-ECBMR CO2-ECBMR:CO2- Enhanced CoalBed Methane Recovery Results from
15、Qinshui Basin indicate that single well CH4 production output is 2.8-15times of that of before CO2 injection and total 192.8t liquid CO2 has been injected in the test and during reproduction period, about 30-40t CO2 go out of testing well (Ye et al., 2007).Conceptual modelCO2 capture progresses (Hua
16、Neng)GreengenGreengen group Ltd.: group Ltd.: IGCC Power IGCC Power Plant 2011Plant 2011- - 2016, 250MW2016, 250MWCO2 storage systemCO2 capture demonstration projectClean Coal Technology , from National Science Exhibition of The Eleventh Five Year PlanIGCC conceptual model20CO2贮罐气液分离器CO2压缩机除油器脱硫器脱硫器净化器电加热器精过滤器CO2换热器CO2液化器CO2精馏塔CO2深冷器装车泵CO2原料
