乌尔逊—贝尔凹陷构造调节带特征、成因机制及其地质意义
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摘要
综合运用地震、钻井等资料,结合乌尔逊—贝尔凹陷南屯期断层特征分析,建立研究区调节带识别标志并圈定其发育范围,最终划分了2个Ⅰ级和18个Ⅱ级构造调节带,分为横向调节型、同向叠覆型、同向趋近型和背向平行型4类。研究结果认为,区域不协调伸展应变以及侧列断层发育模式导致在沿伸展断层走向基底相对脆弱地带发育构造调节带。这些地带不仅是油气的有利聚集部位,而且控制凹陷"S"型平面展布和沉降中心迁移以及沉积物厚度变化。构造调节带通过侧列断层、走向斜坡、纵向凸起及双向调节等模式控制各次凹物源体系方向。
After setting up recognition marks and boundary confirmation,two first-order and eighteen second-order structural accommodation zones can be identified by using seismic and well data and analysis of fault chara-cteristics in K1n stage of the Wuerxun-Beier depression.Four types were determined,including transverse accommodation zones,synthetic overlapping,synthetic approaching,antithetic paralleling.This study results show that along the strike of tensional faults,structural accommodation zones which developed on the weakness zones of the basement,were caused by regional disharmonic extension strain and the model of lateral fault developed.The "S" plane distribution and structural pattern,migration of subsidence center and thickness of sediments were controlled by structural accommodation zones,most of which are advantageous zones for oil and gas accumulation.Directions of provenance system in secondary depression were controlled by the model of lateral fault,strike ramp,vertical uplift and double direction accommodation.
After setting up recognition marks and boundary confirmation,two first-order and eighteen second-order structural accommodation zones can be identified by using seismic and well data and analysis of fault chara-cteristics in K1n stage of the Wuerxun-Beier depression.Four types were determined,including transverse accommodation zones,synthetic overlapping,synthetic approaching,antithetic paralleling.This study results show that along the strike of tensional faults,structural accommodation zones which developed on the weakness zones of the basement,were caused by regional disharmonic extension strain and the model of lateral fault developed.The "S" plane distribution and structural pattern,migration of subsidence center and thickness of sediments were controlled by structural accommodation zones,most of which are advantageous zones for oil and gas accumulation.Directions of provenance system in secondary depression were controlled by the model of lateral fault,strike ramp,vertical uplift and double direction accommodation.
引文
[1]Dahlstrom C D A.Structural geology in the eastern margin of theCanadian Rocky Mountains[J].Bulletin of Canadian PetroleumGeology,1970,187:332-406.
[2]Gibbs A D.Structural evolution of extensional basin margins[J].Journal of Geological Society of London,1984,141:609-620.
[3]Morley C K,Nelson R A,Patton TL,et al.East African rift sys-tem and their relevance to hydrocarbon exploration in rifts[J].AAPG Bull,1990,74(8):1234-1253.
[4]Faulds J E,Varga R J.The role of accommodation zones andtransfer zones in the regional segmentation of extended terranes[J].Geological Society of America Special Paper,1998,323:1-45.
[5]Gawthorpe R L,Hurst J M.Transfer zones in extensional basins:their structural style and influence on drainage development andstratigraphy[J].Journal of Geological Society of London,1993,150:1137-1152.
[6]胡望水,王燮培.松辽盆地北部变换构造及其石油地质意义[J].石油与天然气地质,1994,15(2):164-172.
[7]Moustafa A R.Internal structure and deformation of an accommo-dation zone in the northern part of the Suez rift[J].Journal ofStructural Geology,1996,18:83-108.
[8]周建生,杨池银,陈发景,等.黄骅坳陷横向变换带的构造特征及成因[J].现代地质,1997,11(4):425-433.
[9]张光亚.塔里木盆地构造转换形式及其成因[J].现代地质,1997,11(2):452-460.
[10]刘剑平,汪新文,周章保,等.伸展地区变换构造研究进展[J].地质科技情报,2000,19(3):27-32.
[11]王纪祥,陈发景,李趁义.山东惠民凹陷伸展构造及调节带特征[J].现代地质,2003,17(2):201-208.
[12]陈发景,贾庆素,张洪年.传递带及其在砂体发育中的作用[J].石油与天然气地质,2004,25(2):144-148.
[13]Luis Q,Juan L,Javier A,et al.Transpressional inversion in anextensional transfer zone(the Saltacaballos fault,northern Spain)[J].Journal of Structural Geology,2006,28(11):2038-2048.
[14]Elena A,Lyal B,Jimmy P,et al.Transfer zones and fault reacti-vation in inverted rift basins:Insights from physical modeling[J].Tectonophysics,2007,441(1-4):1-26.
[15]邬光辉,漆家福.黄骅盆地一级构造变换带的特征与成因[J].石油与天然气地质,1996,20(2):125-128.
[16]刘志宏,任延广,李春柏,等.海拉尔盆地乌尔逊—贝尔凹陷的构造特征及其对油气成藏的影响[J].大地构造与成矿学,2007,31(2):151-156.
[17]Younes A,McClay K.Development of accommodation zones inthe Gulf of Suez-Red Sea rift,Egypt[J].AAPG Bull,2002,86(6):1003-1026.
[18]邓宏文,郭建宇,王瑞菊,等.陆相断陷盆地的构造层序地层分析[J].地学前缘,2008,15(2):1-7.
[19]漆家福,夏义平,杨桥.油区构造解析[M].北京:石油工业出版社,2006:125-128.
[2]Gibbs A D.Structural evolution of extensional basin margins[J].Journal of Geological Society of London,1984,141:609-620.
[3]Morley C K,Nelson R A,Patton TL,et al.East African rift sys-tem and their relevance to hydrocarbon exploration in rifts[J].AAPG Bull,1990,74(8):1234-1253.
[4]Faulds J E,Varga R J.The role of accommodation zones andtransfer zones in the regional segmentation of extended terranes[J].Geological Society of America Special Paper,1998,323:1-45.
[5]Gawthorpe R L,Hurst J M.Transfer zones in extensional basins:their structural style and influence on drainage development andstratigraphy[J].Journal of Geological Society of London,1993,150:1137-1152.
[6]胡望水,王燮培.松辽盆地北部变换构造及其石油地质意义[J].石油与天然气地质,1994,15(2):164-172.
[7]Moustafa A R.Internal structure and deformation of an accommo-dation zone in the northern part of the Suez rift[J].Journal ofStructural Geology,1996,18:83-108.
[8]周建生,杨池银,陈发景,等.黄骅坳陷横向变换带的构造特征及成因[J].现代地质,1997,11(4):425-433.
[9]张光亚.塔里木盆地构造转换形式及其成因[J].现代地质,1997,11(2):452-460.
[10]刘剑平,汪新文,周章保,等.伸展地区变换构造研究进展[J].地质科技情报,2000,19(3):27-32.
[11]王纪祥,陈发景,李趁义.山东惠民凹陷伸展构造及调节带特征[J].现代地质,2003,17(2):201-208.
[12]陈发景,贾庆素,张洪年.传递带及其在砂体发育中的作用[J].石油与天然气地质,2004,25(2):144-148.
[13]Luis Q,Juan L,Javier A,et al.Transpressional inversion in anextensional transfer zone(the Saltacaballos fault,northern Spain)[J].Journal of Structural Geology,2006,28(11):2038-2048.
[14]Elena A,Lyal B,Jimmy P,et al.Transfer zones and fault reacti-vation in inverted rift basins:Insights from physical modeling[J].Tectonophysics,2007,441(1-4):1-26.
[15]邬光辉,漆家福.黄骅盆地一级构造变换带的特征与成因[J].石油与天然气地质,1996,20(2):125-128.
[16]刘志宏,任延广,李春柏,等.海拉尔盆地乌尔逊—贝尔凹陷的构造特征及其对油气成藏的影响[J].大地构造与成矿学,2007,31(2):151-156.
[17]Younes A,McClay K.Development of accommodation zones inthe Gulf of Suez-Red Sea rift,Egypt[J].AAPG Bull,2002,86(6):1003-1026.
[18]邓宏文,郭建宇,王瑞菊,等.陆相断陷盆地的构造层序地层分析[J].地学前缘,2008,15(2):1-7.
[19]漆家福,夏义平,杨桥.油区构造解析[M].北京:石油工业出版社,2006:125-128.
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