全球三大富油气前陆盆地油气分布特征对比
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摘要
波斯湾盆地、东委内瑞拉盆地和西加盆地是全球油气最富集的前陆盆地。根据最新油气地质资料分析,它们的油气分布特征及资源结构存在明显差异。区域上,3个前陆盆地的逆冲褶皱带和前渊—斜坡带均有油气分布,但油气主要分布于前渊—斜坡带。层系上,波斯湾盆地91.0%以上的油气储量分布于被动陆缘层系,而东委内瑞拉盆地和西加盆地的油气则主要富集于前陆盆地层系。波斯湾盆地的油气资源以常规油气为主,而东委内瑞拉盆地和西加盆地则以非常规重油和天然沥青最为富集。区域性盖层与输导体系的配置关系是控制前陆盆地油气资源结构的主要因素。
The Persian Gulf Basin,Eastern Venezuela Basin and Western Canada Basin are the richest petroliferous foreland basins in the world.Analyses of the up-to-date oil and gas geological data indicate that there are significant differences in oil and gas distribution features and hydrocarbon resource mixes among the three foreland basins.Within the foreland basins,oil and gas are widely distributed throughout both the thrust-fold belt and foredeep-slope,but the discovered reserves are mainly concentrated in the foredeep-slope.Stratigraphically,passive margin tectono-strata host over 91.0% of the discovered reserves in the Persian Gulf Basin while foreland sequences are the major reservoir intervals in the Eastern Venezuela Basin and the Western Canada Basin.The petroleum resources of the Persian Gulf Basin are dominated by conventional oil and gas while the Eastern Venezuela Basin and the Western Canada Basin are endowed with unconventional heavy oil and natural bitumen.The spatial configuration relationship between regional seals and petroleum migration pathways controls the different mixes of hydrocarbon resources in the foreland basins.
The Persian Gulf Basin,Eastern Venezuela Basin and Western Canada Basin are the richest petroliferous foreland basins in the world.Analyses of the up-to-date oil and gas geological data indicate that there are significant differences in oil and gas distribution features and hydrocarbon resource mixes among the three foreland basins.Within the foreland basins,oil and gas are widely distributed throughout both the thrust-fold belt and foredeep-slope,but the discovered reserves are mainly concentrated in the foredeep-slope.Stratigraphically,passive margin tectono-strata host over 91.0% of the discovered reserves in the Persian Gulf Basin while foreland sequences are the major reservoir intervals in the Eastern Venezuela Basin and the Western Canada Basin.The petroleum resources of the Persian Gulf Basin are dominated by conventional oil and gas while the Eastern Venezuela Basin and the Western Canada Basin are endowed with unconventional heavy oil and natural bitumen.The spatial configuration relationship between regional seals and petroleum migration pathways controls the different mixes of hydrocarbon resources in the foreland basins.
引文
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[4]陈发景,汪新文,陈昭年.前陆盆地分析[M].武汉:中国地质大学出版社,2007:1-282.
[5]肖建新,林畅松,刘景彦.塔里木盆地北部库车坳陷白垩系沉积古地理[J].现代地质,2005,19(2):253-260.
[6]贾承造.前陆冲断带油气勘探[M].北京:石油工业出版社,2000:1-351.
[7]周新源.前陆盆地油气分布规律[M].北京:石油工业出版社,2002:1-306.
[8]薛良清,赵孟军,张光亚.中国中西部前陆盆地油气地质与勘探[M].北京:地质出版社,2005:1-309.
[9]汤良杰,贾承造,余一欣.库车前陆褶皱—冲断带盐相关构造与油气聚集[M].北京:科学出版社,2010:1-178.
[10]宋岩.中国中西部前陆盆地石油地质特征[M].北京:科学出版社,2007:1-236.
[11]贾承造.特提斯北缘盆地群构造地质与天然气[M].北京:石油工业出版社,2001:1-162.
[12]白国平.波斯湾盆地油气分布特征与主控因素初探[J].中国石油大学学报:自然科学版,2007,31(3):28-32,38.
[13]白国平.中东油气区油气地质特征[M].北京:中国石化出版社,2007:1-238.
[14]袁井菊,万晓迅,陈明.中东地区鲁卜哈利盆地古生界地震反射构型特征与储层预测[J].现代地质,2009,23(5):940-946.
[15]IHS Energy Group.International petroleum exploration and pro-duction database:USA[P/OL]2013-02-13.http://www.ihs.com/product/oil-gas information/data-access/geophy-sical-surveys/index.asps.
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[19]Beydoun Z R.Arabian Plate Hydrocarbon Geology and Potential:A Plate Tectonic Approach[M].Tulsa:AAPG,1991:86.
[20]秦雁群,侯秀林,邓宏文,等.East Venezuela盆地油气聚集与勘探潜力[J].中国石油勘探,2012,17(3):56-61.
[21]Masters J A.Lower Cretaceous oil and gas in western Canada[M]//Masters J A.Elmworth:Case Study of A Deep BasinGas Field.AAPG Memoir 38.Tulsa:AAPG,1984:1-33.
[22]Jackson P C.Paleogeography of the Lower Cretaceous Mannvillegroup of western Canada[M]//Masters J A.Elmworth:CaseStudy of A Deep Basin Gas Field.AAPG Memoir 38.Tulsa:AAPG,1984:49-77.
[23]张震,李浩武,段宏臻,等.扎格罗斯盆地新生界Asmari-Gachsaran成藏组合地质特征及成藏模式[J].石油与天然气地质,2012,33(2):190-199.
[24]Pirouz M,Simpson G,Bahroudi A,et al.Neogene sedimentsand modern depositional environments of the Zagros foreland basinsystem[J].Geological Magazine,2011,148:838-853.
[25]Aqrawi A A M,Goff J C,Horbury A D,et al.The petroleumgeology of Iraq[J].Journal of Petroleum Geology,2010,33(4):405.
[26]Berbesi L A,Primio R,Anka Z,et al.Source rock contributionsto the Lower Cretaceous heavy oil accumulations in Alberta:A ba-sin modeling study[J].AAPG Bulletin,2012,96(7):1211-1234.
[27]Creaney S,Allan J.Petroleum systems in the foreland basin ofWestern Canada[M]//Macqueen R W,Leckie D A.Fore-land Basins and Fold Belts.AAPG Memoir 55.Tulsa:AAPG,1992:279-308.
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