蒙古国东方省海塔盆地塔南凹陷断裂特征及其油气意义
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摘要
以三维地震资料解释为基础,通过编制相关构造图件揭示了海塔盆地塔南凹陷的断裂构造特征和构造演化过程,分析了构造活动对沉积作用的控制以及对烃源岩发育、圈闭形成和油气运移聚集条件的影响。塔南凹陷白垩纪经历了叠合断陷期(铜钵庙组—南屯组沉积时期)、叠合断拗期(大磨拐河组沉积时期)和反转拗陷期(伊敏组—青元岗组沉积时期)共3期演化,发育伸展和走滑—伸展两套断裂系统。受断裂活动影响,不同时期各次凹的沉降中心发生了明显的分异与迁移。断陷期沉降中心沿断陷边界断层上盘分布,断拗期沉降中心向凹陷中心迁移。断陷期结构样式及主干断裂活动强度控制着沉积相的分布,也影响油气成藏。
Based on structural geometry data compiled by interpretation of 3D seismic data in Tanan Sag of Haita Basin,the faults characteristics and evolution,and their controls on sedimentation and hydrocarbon source rocks,trap,and accumulation were analyzed in this paper.It is found that the Tanan Sag had gone through three big basin historical periods,that is,composite faulted stage(K1t-K1n),the composite fault-depression transition stage(K1d)and reverse depression stage(K1y-K2q),and normal fault system and strike-slip normal fault system formed during the Cretaceous.Affected by faults movement,the subsidence centers in sub-sag were differentiated and migrated distinctly in different stages.The subsidence center distributed along the hanging wall of the boundary faults during the composite faulted stage,and moved to the center of the sag during the composite fault-depression transition stage.The strength and style of the faults controlled the distribution of sedimentary facies and hydrocarbon accumulation conditions.
Based on structural geometry data compiled by interpretation of 3D seismic data in Tanan Sag of Haita Basin,the faults characteristics and evolution,and their controls on sedimentation and hydrocarbon source rocks,trap,and accumulation were analyzed in this paper.It is found that the Tanan Sag had gone through three big basin historical periods,that is,composite faulted stage(K1t-K1n),the composite fault-depression transition stage(K1d)and reverse depression stage(K1y-K2q),and normal fault system and strike-slip normal fault system formed during the Cretaceous.Affected by faults movement,the subsidence centers in sub-sag were differentiated and migrated distinctly in different stages.The subsidence center distributed along the hanging wall of the boundary faults during the composite faulted stage,and moved to the center of the sag during the composite fault-depression transition stage.The strength and style of the faults controlled the distribution of sedimentary facies and hydrocarbon accumulation conditions.
引文
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慕德梁,孟卫工,李成,等.2009.断陷盆地陡坡带构造样式与油气聚集:以渤海湾盆地辽河坳陷西部凹陷陡坡带为例[J].石油与天然气地质,30(5):635-642.
苗长盛,刘招君,方石,等.2011.塔南凹陷南屯组近岸水下扇沉积特征及有利含油相带分析[J].中国石油大学学报(自然科学版),35(1):34-39.
蒙启安,纪友亮.2009.塔南凹陷白垩纪古地貌对沉积体系分布的控制作用[J].石油学报,30(6):843-848,855.
能源,漆家福,张春峰,等.2009.金湖凹陷石港断层构造演化及油气聚集特征[J].石油学报,30(5):667-671,677.
史冠中,王华,徐备,等.2011.南堡凹陷柏各庄断层活动特征及对沉积的控制[J].北京大学学报(自然科学版),47(1):85-90.
孙永河,付晓飞,吕延防,等.2007.地震泵抽吸作用与油气运聚成藏物理模拟[J].吉林大学学报(地球科学版),37(1):98-104,111.
田继强,贾承造,段书府,等.2011.海拉尔盆地贝尔凹陷走滑断层特征及石油地质意义[J].天然气地球科学,22(2):293-298.
王建鹏,刘招君,苗长盛,等.2011.蒙古塔木察格盆地塔南凹陷下白垩统南屯组三角洲沉积及储集层特征[J].世界地质,30(3):415-423.
王青海,陈守田,唐建人.2002.海拉尔盆地油气勘探开发前景[J].中国石油勘探,7(3):16-19.
许凤鸣,张晓东,王涛.2011.塔南凹陷早白垩世构造演化及其对沉积充填和砂体分布的控制[J].沉积与特提斯地质,31(3):47-50.
杨永华,纪友亮,曹瑞成,等.2009.蒙古塔木察格盆地塔南凹陷下白垩统层序结构类型、控制因素与层序发育模式[J].现代地质,23(4):654-666.
杨子成.2010.塔南凹陷下白垩统铜钵庙组—大磨拐河组沉积相研究[J].中国西部科技,9(18):3-6.
叶兴树,王伟锋,陈世悦,等.2006.东营凹陷断裂活动特征及其对沉积的控制作用[J].西安石油大学学报(自然科学版),21(5):29-33.
尹新义,任建业,裴健翔,等.2010.琼东南盆地断裂活动性定量计算及其发育演化模式[J].高校地质学报,16(3):388-396.
于丹.2010.海塔盆地塔南凹陷断裂系统及其控藏机理研究[D].东北石油大学博士论文.
喻顺,吕修祥,柳广弟,等.2011.断陷盆地构造枢纽部位油气富集规律[J].中国石油大学学报(自然科学版),35(2):39-44,56.
Bryan D,Jason J.2002.Tectonostratigraphy of the Nieuwerkerk Formation(Delfland subgroup),West Netherlands Basin[J].AAPG Bulletin,86(10):1679-1709.
Cowle P A,Gupta S,Dawers N H.2000.Implications of fault array evolu-tion for synrift depocenter development:Insights from a numericalfault growth model[J].Basin Research,12(3-4):241-261.
Hans E,Mandana H,Woligang S.2002.Tectonic and climatic control ofPaleogene sedimentation in Rhenodanubian Flysch Basin(EasternAlps,Austria)[J].Basin Research,14(7):247-262.
Hooper E C D.1991.Fluid migration along growth fault in compactingsediments[J].Journal of Petroleum Geology,14:161-180.
Lezzar K E,Tiercelin J J.2002.Control of normal fault interaction on thedistribution of major Neogene sedimentary depocenters,Lake Tan-ganyika,East African Rift[J].AAPG Bulletin,86(6):1027-1059.
Mcleod A E,Underhill J R,Davies S J,et al.2002.The influence of faultarray evolution on synrift sedimentation patterns:Controls on deposi-tion in the Srathspey-Brent-Statfjord half graben,northern North Sea[J].AAPG Bulletin,86(6):1061-1093.
Pavelic D.2001.Tectonostratigraphic model for the North Croation andNorth Bosnian sector of the Miocene Pannonian Basin System[J].Basin Research,13(3):359-376.
Wood L J.2000.Chronostratigraphy and tectonostratigraphy of the Colum-bus Basin,eastern offshore Trinidad[J].AAPG Bulletin,84(14):1905-1929.
Zhang C,Xie X N,Jiang T,et al.2006.Hydrocarbon migration and accu-mulation along a long-term growth fault:Example from the BZ25-1oilfield of Bohai basin,eastern China[J].Journal of GeochemicalExploration,89(1-3):460-464.
陈守田,刘招君,于洪金.2004.海拉尔盆地热演化史研究[J].吉林大学学报(地球科学版),34(1):85-88,92.
陈伟,吴智平,侯峰,等.2010.油气沿断裂走向运移研究[J].中国石油大学学报(自然科学版),34(6):25-30.
陈莹,林畅松,余宏忠,等.2006.歧口凹陷古近纪同沉积断裂对层序和沉积体系的控制[J].地质力学学报,12(3):379-386.
邓宏文,郭建宇,王瑞菊,等.2008.陆相断陷盆地的构造层序地层分析[J].地学前缘,15(2):1-7.
方石,谢荣祥,苗长盛,等.2012,塔南凹陷南屯组油藏类型及其分布特征[J].吉林大学学报(地球科学版),42(增刊1):8-16.
胡望水,卫拥军,张自其.2002.辽河盆地构造样式与圈闭发育特征[J].新疆石油地质,2(3):197-200.
纪友亮,蒙启安,曹瑞成,等.2010.蒙古国东部塔木察格盆地南部白垩系地层结构及沉积充填特征[J].古地理学报,12(6):731-736.
李明刚,漆家福,童亨茂,等.2010.辽河西部凹陷新生代断裂构造特征与油气成藏[J].石油勘探与开发,37(3):281-288.
林畅松,刘景彦,胡博.2010.构造活动盆地沉积层序形成过程模拟:以断陷和前陆盆地为例[J].沉积学报,28(5):868-874.
林畅松,郑和荣,任建业,等.2003.渤海湾盆地东营、沾化凹陷早第三纪同沉积断裂作用对沉积充填的控制[J].中国科学(D辑),33(11):1025-1036.
冷济高,庞雄奇,李晓光,等.2008.辽河断陷西部凹陷油气成藏主控因素[J].古地理学报,10(5):473-480.
卢异,王书香,陈松,等.2010.一种断裂活动强度计算方法及其应用[J].天然气地球科学,21(4):612-616.
路智勇.2008.渤海湾盆地车镇凹陷古近系构造样式对沉积及储集层的影响[J].古地理学报,10(3):277-285.
马宝军,漆家福,刘阳,等.2006.渤南地区新生代构造演化与油气成藏[J].石油勘探与开发,33(5):572-575.
慕德梁,孟卫工,李成,等.2009.断陷盆地陡坡带构造样式与油气聚集:以渤海湾盆地辽河坳陷西部凹陷陡坡带为例[J].石油与天然气地质,30(5):635-642.
苗长盛,刘招君,方石,等.2011.塔南凹陷南屯组近岸水下扇沉积特征及有利含油相带分析[J].中国石油大学学报(自然科学版),35(1):34-39.
蒙启安,纪友亮.2009.塔南凹陷白垩纪古地貌对沉积体系分布的控制作用[J].石油学报,30(6):843-848,855.
能源,漆家福,张春峰,等.2009.金湖凹陷石港断层构造演化及油气聚集特征[J].石油学报,30(5):667-671,677.
史冠中,王华,徐备,等.2011.南堡凹陷柏各庄断层活动特征及对沉积的控制[J].北京大学学报(自然科学版),47(1):85-90.
孙永河,付晓飞,吕延防,等.2007.地震泵抽吸作用与油气运聚成藏物理模拟[J].吉林大学学报(地球科学版),37(1):98-104,111.
田继强,贾承造,段书府,等.2011.海拉尔盆地贝尔凹陷走滑断层特征及石油地质意义[J].天然气地球科学,22(2):293-298.
王建鹏,刘招君,苗长盛,等.2011.蒙古塔木察格盆地塔南凹陷下白垩统南屯组三角洲沉积及储集层特征[J].世界地质,30(3):415-423.
王青海,陈守田,唐建人.2002.海拉尔盆地油气勘探开发前景[J].中国石油勘探,7(3):16-19.
许凤鸣,张晓东,王涛.2011.塔南凹陷早白垩世构造演化及其对沉积充填和砂体分布的控制[J].沉积与特提斯地质,31(3):47-50.
杨永华,纪友亮,曹瑞成,等.2009.蒙古塔木察格盆地塔南凹陷下白垩统层序结构类型、控制因素与层序发育模式[J].现代地质,23(4):654-666.
杨子成.2010.塔南凹陷下白垩统铜钵庙组—大磨拐河组沉积相研究[J].中国西部科技,9(18):3-6.
叶兴树,王伟锋,陈世悦,等.2006.东营凹陷断裂活动特征及其对沉积的控制作用[J].西安石油大学学报(自然科学版),21(5):29-33.
尹新义,任建业,裴健翔,等.2010.琼东南盆地断裂活动性定量计算及其发育演化模式[J].高校地质学报,16(3):388-396.
于丹.2010.海塔盆地塔南凹陷断裂系统及其控藏机理研究[D].东北石油大学博士论文.
喻顺,吕修祥,柳广弟,等.2011.断陷盆地构造枢纽部位油气富集规律[J].中国石油大学学报(自然科学版),35(2):39-44,56.
Bryan D,Jason J.2002.Tectonostratigraphy of the Nieuwerkerk Formation(Delfland subgroup),West Netherlands Basin[J].AAPG Bulletin,86(10):1679-1709.
Cowle P A,Gupta S,Dawers N H.2000.Implications of fault array evolu-tion for synrift depocenter development:Insights from a numericalfault growth model[J].Basin Research,12(3-4):241-261.
Hans E,Mandana H,Woligang S.2002.Tectonic and climatic control ofPaleogene sedimentation in Rhenodanubian Flysch Basin(EasternAlps,Austria)[J].Basin Research,14(7):247-262.
Hooper E C D.1991.Fluid migration along growth fault in compactingsediments[J].Journal of Petroleum Geology,14:161-180.
Lezzar K E,Tiercelin J J.2002.Control of normal fault interaction on thedistribution of major Neogene sedimentary depocenters,Lake Tan-ganyika,East African Rift[J].AAPG Bulletin,86(6):1027-1059.
Mcleod A E,Underhill J R,Davies S J,et al.2002.The influence of faultarray evolution on synrift sedimentation patterns:Controls on deposi-tion in the Srathspey-Brent-Statfjord half graben,northern North Sea[J].AAPG Bulletin,86(6):1061-1093.
Pavelic D.2001.Tectonostratigraphic model for the North Croation andNorth Bosnian sector of the Miocene Pannonian Basin System[J].Basin Research,13(3):359-376.
Wood L J.2000.Chronostratigraphy and tectonostratigraphy of the Colum-bus Basin,eastern offshore Trinidad[J].AAPG Bulletin,84(14):1905-1929.
Zhang C,Xie X N,Jiang T,et al.2006.Hydrocarbon migration and accu-mulation along a long-term growth fault:Example from the BZ25-1oilfield of Bohai basin,eastern China[J].Journal of GeochemicalExploration,89(1-3):460-464.
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