鄂尔多斯盆地CO_2地质封存适宜性与潜力评价
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摘要
针对目前利用层次分析法对CO_2地质封存进行适宜性评价过程中,极少结合研究区域实际计算低层次评价指标权重,对适宜性评价结果又缺少进一步的分析,结合鄂尔多斯盆地的地质特征,通过计算指标组成权重和适宜性得分对盆地开展了CO_2地质封存适宜性评价,并以适宜区杏子川油田长4+5盖层为例,开展了盖层封闭性评价实验研究。同时,采用相应的计算方法对鄂尔多斯盆地深部咸水层和油藏的CO_2地质封存潜力进行了计算。结果表明:鄂尔多斯盆地在三叠系开展CO_2地质封存的适宜性最好,石炭-二叠系和奥陶系则次之;杏子川油田三叠系延长组长4+5盖层对区域开展CO_2地质封存具备良好的封闭性;鄂尔多斯盆地深部咸水层和油藏的CO_2有效封存量分别为1.33×10~(10)t和1.91×10~9 t,且在延长石油吴起、靖边及杏子川油田共有56个CO_2地质封存适宜区,其CO_2有效封存量可达1.77×10~8 t。
During the process of CO_2 geological sequestration suitability evaluation with analytic hierarchymethod, problems include that weight of low level evaluation index is calculated with little consideration of thereal research region and suitability evaluation result isn't studied further. To solve the above problems, throughcalculating the index composition weight and suitability score, CO_2 geological sequestraion suitability evaluationin Ordos Basin was carried out combined with its geological feature. Then, the research of caprock closure, takingthe Chang 4+5 layer in Xingzichuan oilfield for example was done. At the same time, CO_2 geological sequestrationpotential in deep saline aquifer and reservoir was calculated with corresponding methods. Calculated resultsshow that the CO_2 geological sequestraion suitability in Triassic is the best, closely followed by Carboniferous-Permian and Ordovician. Meanwhile, sealing ability of Chang 4+5 caprock in Xingzichuan oilfield is good forCO_2 geological sequestraion. Moreover, the potential of CO_2 geological sequestration in deep saline aquifer andreservoir is 1.33×10~(10) t and 1.91×10~9 t, respectively. In addition, there are 56 suitable areas in Wuqi, Jingbian andXingzichuan blocks in Yanchang Petroleum and its CO_2 geological sequestraion potential is about 1.77×10~8 t.
During the process of CO_2 geological sequestration suitability evaluation with analytic hierarchymethod, problems include that weight of low level evaluation index is calculated with little consideration of thereal research region and suitability evaluation result isn't studied further. To solve the above problems, throughcalculating the index composition weight and suitability score, CO_2 geological sequestraion suitability evaluationin Ordos Basin was carried out combined with its geological feature. Then, the research of caprock closure, takingthe Chang 4+5 layer in Xingzichuan oilfield for example was done. At the same time, CO_2 geological sequestrationpotential in deep saline aquifer and reservoir was calculated with corresponding methods. Calculated resultsshow that the CO_2 geological sequestraion suitability in Triassic is the best, closely followed by Carboniferous-Permian and Ordovician. Meanwhile, sealing ability of Chang 4+5 caprock in Xingzichuan oilfield is good forCO_2 geological sequestraion. Moreover, the potential of CO_2 geological sequestration in deep saline aquifer andreservoir is 1.33×10~(10) t and 1.91×10~9 t, respectively. In addition, there are 56 suitable areas in Wuqi, Jingbian andXingzichuan blocks in Yanchang Petroleum and its CO_2 geological sequestraion potential is about 1.77×10~8 t.
引文
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[19] CSLF(Carbon Sequestration Leadership Forum). Estimation of CO2storage capacity in geological media[R/OL]. 2007[2018-05-011.http://www.cslforum.org/documents/PhaseIIreportStorageCapacityMea surementTaskFor ce.pdf
[20] CSLF(Carbon Sequestration Leadership Forum). A task force for review and development of standards with regards to storage capacity measurement[R/OL]. 2005[2018-05-01]. http://www.cslforum.org/documents/Taskforce_Storage_Capacity_Estimation_Version_2.pdf
[21] Bachu S, Stewart S. Geological storage of anthropogenic carbon dioxide in the Western Canada Sedimentary Basin:suitability analysis[J]. Journal of Canadian Petroleum Technology, 2002, 41(2):32-40
[22] Bachll S, Shaw J C. Estimation of oil recovery and CO2 storage capacity in CO2 EOR incorporating the effect of underlying aquifers[J].SPE 89340, 2004:13
[23] Bachu S, Gunter W D, Perkins E H. Aquifer disposal of CO2:hydrodynamic and mineral trapping[J]. Energy Conversion and Management, 1994, 35(4):269-279
[2]段鹏飞.河东煤田CO2煤层地质封存条件及潜力评价[J].中国煤炭地质,2015, 27(10):1-5
[3]赵晓亮,廖新维,王万福,等.二氧化碳埋存潜力评价模型与关键参数的确定[J].特种油气藏,2013, 20(6):72-74
[4]任相坤,崔永君,步学朋,等.鄂尔多斯盆地CO2地质封存潜力分析[J].中国能源,2010(1):29-32
[5]吾尔娜,吴昌志,季峻峰,等.松辽盆地徐家围断陷玄武岩气藏储层的CO2封存潜力研究[J].高校地质学报,2012, 18(2):239-247
[6]钟大康.致密油储层微观特征及其形成机理:以鄂尔多斯盆地长6-长7段为例[J].石油与天然气地质,2017, 38(1):49-61
[7]任战利,李文厚,梁宇,等.鄂尔多斯盆地东南部延长组致密油成藏条件及主控因素[J].石油与天然气地质,2014, 35(2):190-198
[8]王香增,高胜利,高潮.鄂尔多斯盆地南部中生界陆相页岩气地质特征[J].石油勘探与开发,2014(3):294-304
[9]梁飞,黄文辉,牛君.鄂尔多斯盆地西南缘二叠系山西组山1段-下石盒子组盒8段物源分析[J].沉积学报,2018(1):142-153
[10]张福东,李君,魏国齐,等.低生烃强度区致密砂岩气形成机制:以鄂尔多斯盆地天环坳陷北段上古生界为例[J].石油勘探与开发,2018(1):73-81
[11]贺聪,吉利明,苏奥,等.鄂尔多斯盆地南部延长组热水沉积作用与烃源岩发育的关系[J].地学前缘,2017(6):277-285
[12]文冬光,郭建强,张森琦,等.中国二氧化碳地质储存研究进展[J].中国地质,2014, 41(5):1716-1723
[13]郭建强,张森琦,刁玉杰,等.深部咸水层CO2地质储存工程场地选址技术方法[J].吉林大学学报:地球科学版,2011,41(4):1084-1091
[14]井文君,杨春和,李银平,等.基于层次分析法的盐穴储气库选址评价方法研究[J].岩土力学,2012, 33(9):2683-2690
[15]罗超,贾爱林,魏铁军,等.鄂尔多斯盆地子洲地区山2段咸水层C02埋存条件与潜力评价[J].东北石油大学学报,2016,40(1):14-24
[16] Bachu S, Bonijoly D, Bradshaw J, et al. CO2 storage capacity estimation:methodology and gaps[J]. International Journal of Greenhouse Gas Control, 2007, 1(4):430-443
[17] Bradshaw J, Bachu S, Bonijoly D, et al. CO2 storage capacityestimation:issues and development of standards[J]. International Journal of Greenhouse Gas Control, 2007, 1(1):62-68
[18] Span P, Wagner W. A new equation of state for carbon dioxide covering the fluid region from the triple-point temperament to 1100 k at pressure up to 800 MPa[J]. Journal of Chemical Reference Data, 2001,25(6):1509-1596
[19] CSLF(Carbon Sequestration Leadership Forum). Estimation of CO2storage capacity in geological media[R/OL]. 2007[2018-05-011.http://www.cslforum.org/documents/PhaseIIreportStorageCapacityMea surementTaskFor ce.pdf
[20] CSLF(Carbon Sequestration Leadership Forum). A task force for review and development of standards with regards to storage capacity measurement[R/OL]. 2005[2018-05-01]. http://www.cslforum.org/documents/Taskforce_Storage_Capacity_Estimation_Version_2.pdf
[21] Bachu S, Stewart S. Geological storage of anthropogenic carbon dioxide in the Western Canada Sedimentary Basin:suitability analysis[J]. Journal of Canadian Petroleum Technology, 2002, 41(2):32-40
[22] Bachll S, Shaw J C. Estimation of oil recovery and CO2 storage capacity in CO2 EOR incorporating the effect of underlying aquifers[J].SPE 89340, 2004:13
[23] Bachu S, Gunter W D, Perkins E H. Aquifer disposal of CO2:hydrodynamic and mineral trapping[J]. Energy Conversion and Management, 1994, 35(4):269-279