饶阳凹陷横向潜山变换带构造特征及其油气聚集规律
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摘要
利用钻井、地震及地质资料对饶阳凹陷潜山变换带特征及其成因进行了研究。结果表明,饶阳潜山变换带以中生代差异构造剥蚀为基础、新生代差异构造变形为动力而形成的;在构造单元间差异沉降响应下,形成一系列以基岩拆离滑脱面为载体、由东向西依次陷落的潜山。利用测井、试油、样品分析化验等资料证实,潜山变换带具有"时间上油气多期充注、平面上异源油气汇聚、剖面上油气差异聚集"的特点,形成以潜山油气藏为主、第三系油气藏为辅的复式油气聚集带。潜山变换带强烈构造变形为圈闭形成及储层发育提供良好条件,在"油气差异聚集"指导下,分析潜山内幕油气藏的空间分布,寻找潜山有利勘探目标,拓展冀中坳陷潜山勘探新领域。
Based on well drilling and seismic data, the characteristics and mechanism of lateral buried hill transformation belt were studied. The result shows that the Raoyang buried hill transformation belt formed firstly by Mesozoic differential tectonic erosion and then by Cenozoic differential tectonic deformation; in response to different tectonic subsidence among tectonic units, a series of buried hills which took bedrock detachment surface as a carrier collapsed in order from east to west. Logging, oil test and laboratory analysis data confirm that buried hill transform zones are characterized by "multiphase filling of oil and gas in time, heterologous oil accumulation in plane, differential hydrocarbon accumulation in profile", forming a compound oil and gas accumulation zone, which are dominated by buried hill hydrocarbon reservoir, with Tertiary hydrocarbon reservoir as supplement. Strong tectonic deformation of buried hill transform zones provides favorable conditions for formation of trap and reservoir. Under the guidance of "oil and gas differential accumulation principle", it will be our task to analyze the spatial distribution of inner hydrocarbon reservoirs in buried hills, search for favorable exploration target, and extend prospecting area in buried hill of the Jizhong depression.
Based on well drilling and seismic data, the characteristics and mechanism of lateral buried hill transformation belt were studied. The result shows that the Raoyang buried hill transformation belt formed firstly by Mesozoic differential tectonic erosion and then by Cenozoic differential tectonic deformation; in response to different tectonic subsidence among tectonic units, a series of buried hills which took bedrock detachment surface as a carrier collapsed in order from east to west. Logging, oil test and laboratory analysis data confirm that buried hill transform zones are characterized by "multiphase filling of oil and gas in time, heterologous oil accumulation in plane, differential hydrocarbon accumulation in profile", forming a compound oil and gas accumulation zone, which are dominated by buried hill hydrocarbon reservoir, with Tertiary hydrocarbon reservoir as supplement. Strong tectonic deformation of buried hill transform zones provides favorable conditions for formation of trap and reservoir. Under the guidance of "oil and gas differential accumulation principle", it will be our task to analyze the spatial distribution of inner hydrocarbon reservoirs in buried hills, search for favorable exploration target, and extend prospecting area in buried hill of the Jizhong depression.
引文
池英柳,赵文智.2000.渤海湾盆地新生代走滑构造与油气聚集.石油学报,21(2):14～20.
杜金虎.2002.冀中拗陷古潜山复式油气聚集区.北京:科学出版社,10.
华北油田石油地质志编辑委员会.1988.中国石油地质志(卷五):华北油田.北京:石油工业出版社,305.
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孙冬胜,刘池阳,杨明慧.2003.冀中坳陷马西断裂带分段特征及其与油气的关系.石油与天然气地质,24(3):238～244.
童亨茂,宓荣三,于天才,等.2008.渤海湾盆地辽河西部凹陷的走滑构造作用.地质学报,82(8):1017～1026.
万天丰,任之鹤.1999.中国中、新生代板内变形速度研究.现代地质,13(1):83～92.
徐杰,高战武,孙建宝,宋长青.2001.区域伸展体制下盆山构造藕合关系的探讨——以渤海湾盆地和太行山为例.地质学报,75(2):165～174.
杨明慧,刘池阳,杨斌宜.2001.冀中坳陷中生代的构造变形的转化及油气.大地构造及成矿学,25(2):113～119.
杨明慧,刘池阳,杨斌谊,赵红格.2002.冀中坳陷古近纪的伸展构造.地质论评,48(1):58～67.
余一欣,周心怀,汤良杰,等.2009.渤海海域辽东湾坳陷正断层联接及其转换带特征.地质论评,55(1):79～84.
张文朝,杨德相,陈彦均,钱铮,张超文,刘会纺.2008.冀中坳陷古近系沉积构造特征与油气分布规律.地质学报,82(8):1103～1112.
郑大海,刘池洋,崔永谦,等.2004.冀中坳陷饶南地区拆离构造特征.石油勘探与开发,31(6):36～39.
Bosel S,Mitra S.2010.Analog modeling of divergent andconvergent transfer zones in listric normal fault systems.AAPGBulletin,94(9):1425～1452.
Faulds J E,Varga R J.1998.The role of accommodation zone andtransfer zone in the regional segmentation of extended terranes.In:Faulds J E,Stewart J H,eds.Accommodation zones andtransfer zones:the regional segmentation of the basin and rangeprovinces.Geology Society of America Special Paper,323:1～45.
Gibbs A D.1989.Structural styles in basin formation.AAPGMemior,46:81～93
Konstantinovskaya E A,Harris L B,Poulin J,Ivanov G M.2007.Transfer zones and fault reactivation in inverted rift basins:insights from physical modeling.Tectonophysics,441:1～26.
McClay K R,Dooley T,Whitehouse P,et al.2002.4-D evolutionof rift systems:insights from scaled physical models.AAPGBulletin,86(6):935～959.
Morley C K,Nelson R A,Patton T L,Munn S G.1990.Transferzones in the East African rift system and their relevance tohydrocarbon exploration in rifts.AAPG Bulletin,74(8):1234～1253.
Mouslopoulou V,Nicol A,Little T A,Walsh J J.2007.Displacement transfer between intersecting regional strike-slipand extensional fault systems.Journal of Structural Geology,29(1):100～116.
Moustafa A R.2002.Controls on the geometry of transfer zones inthe Suez rift and northwest Red Sea:implications for thestructural geometry of rift systems.AAPG Bulletin,86:979～1002.
PeacockD C P,Sanderson D J.1994.Geometry and development ofrelay ramps in normal fault systems.AAPG Bull.,78(2):147～165.
Rosendahl B R.1987.Architecture of continental rifts with specialreference to East Africa.Annual Review of Earth and Plane-tary Sciences,15:31～43.
杜金虎.2002.冀中拗陷古潜山复式油气聚集区.北京:科学出版社,10.
华北油田石油地质志编辑委员会.1988.中国石油地质志(卷五):华北油田.北京:石油工业出版社,305.
孙冬胜,刘池阳,杨明慧,等.2004.渤海湾盆地冀中坳陷中区中新生代复合伸展构造.地质论评,50(5):484～491.
孙冬胜,刘池阳,杨明慧.2003.冀中坳陷马西断裂带分段特征及其与油气的关系.石油与天然气地质,24(3):238～244.
童亨茂,宓荣三,于天才,等.2008.渤海湾盆地辽河西部凹陷的走滑构造作用.地质学报,82(8):1017～1026.
万天丰,任之鹤.1999.中国中、新生代板内变形速度研究.现代地质,13(1):83～92.
徐杰,高战武,孙建宝,宋长青.2001.区域伸展体制下盆山构造藕合关系的探讨——以渤海湾盆地和太行山为例.地质学报,75(2):165～174.
杨明慧,刘池阳,杨斌宜.2001.冀中坳陷中生代的构造变形的转化及油气.大地构造及成矿学,25(2):113～119.
杨明慧,刘池阳,杨斌谊,赵红格.2002.冀中坳陷古近纪的伸展构造.地质论评,48(1):58～67.
余一欣,周心怀,汤良杰,等.2009.渤海海域辽东湾坳陷正断层联接及其转换带特征.地质论评,55(1):79～84.
张文朝,杨德相,陈彦均,钱铮,张超文,刘会纺.2008.冀中坳陷古近系沉积构造特征与油气分布规律.地质学报,82(8):1103～1112.
郑大海,刘池洋,崔永谦,等.2004.冀中坳陷饶南地区拆离构造特征.石油勘探与开发,31(6):36～39.
Bosel S,Mitra S.2010.Analog modeling of divergent andconvergent transfer zones in listric normal fault systems.AAPGBulletin,94(9):1425～1452.
Faulds J E,Varga R J.1998.The role of accommodation zone andtransfer zone in the regional segmentation of extended terranes.In:Faulds J E,Stewart J H,eds.Accommodation zones andtransfer zones:the regional segmentation of the basin and rangeprovinces.Geology Society of America Special Paper,323:1～45.
Gibbs A D.1989.Structural styles in basin formation.AAPGMemior,46:81～93
Konstantinovskaya E A,Harris L B,Poulin J,Ivanov G M.2007.Transfer zones and fault reactivation in inverted rift basins:insights from physical modeling.Tectonophysics,441:1～26.
McClay K R,Dooley T,Whitehouse P,et al.2002.4-D evolutionof rift systems:insights from scaled physical models.AAPGBulletin,86(6):935～959.
Morley C K,Nelson R A,Patton T L,Munn S G.1990.Transferzones in the East African rift system and their relevance tohydrocarbon exploration in rifts.AAPG Bulletin,74(8):1234～1253.
Mouslopoulou V,Nicol A,Little T A,Walsh J J.2007.Displacement transfer between intersecting regional strike-slipand extensional fault systems.Journal of Structural Geology,29(1):100～116.
Moustafa A R.2002.Controls on the geometry of transfer zones inthe Suez rift and northwest Red Sea:implications for thestructural geometry of rift systems.AAPG Bulletin,86:979～1002.
PeacockD C P,Sanderson D J.1994.Geometry and development ofrelay ramps in normal fault systems.AAPG Bull.,78(2):147～165.
Rosendahl B R.1987.Architecture of continental rifts with specialreference to East Africa.Annual Review of Earth and Plane-tary Sciences,15:31～43.
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