松南海坨子—大布苏地区泉四段—姚家组层序地层研究
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摘要
根据工区内现有的钻井、测井和地震资料,应用以多级次基准面旋回为参照面的高分辨层序地层学理论与研究方法,对松辽盆地南部海坨子—大布苏地区的泉四段—姚家组地层进行了详细的层序地层研究,共识别出5个长期基准面旋回(相当于三级层序),9个中期基准面旋回(相当于四级层序),建立了研究区的层序划分方案,在连井剖面的层序地层对比基础上,建立了该区的地层格架,并对层序构成特征进行了分析,研究了储集层在层序格架内的分布规律,揭示出浊积砂体和三角洲前缘相的分流河道形成于基准面上升期,三角洲前缘相的河口坝、远砂坝和席状砂沉积形成于基准面下降期,指出浊积砂体和三角洲前缘相的远砂坝、席状砂沉积是研究区形成岩性油气藏的有利储集体。
Guided with the theory of high resolution sequence stratigraphy and based on cores,well logs and seismic materials,the sequence stratigraphic scheme of the Member 4 Quantou Formation to Yaojia Formation in Haituozi-Dabusu area has been constructed,which is composed of 5 long term base level cycles(third order sequence)and 9 middle term base level cycles(fourth order sequence),and the sequence stratigraphic framework has been discussed.The result shows that turbidite sand body and distributary channels of delta front mainly develop at the half cycle increasing period and mouth bar,distal bar and sheet sand of delta front mainly develop at the half cycle decreasing period.The turbidite sand body and distal bar,sheet sand of delta front are favorable reservoirs in the study area.
Guided with the theory of high resolution sequence stratigraphy and based on cores,well logs and seismic materials,the sequence stratigraphic scheme of the Member 4 Quantou Formation to Yaojia Formation in Haituozi-Dabusu area has been constructed,which is composed of 5 long term base level cycles(third order sequence)and 9 middle term base level cycles(fourth order sequence),and the sequence stratigraphic framework has been discussed.The result shows that turbidite sand body and distributary channels of delta front mainly develop at the half cycle increasing period and mouth bar,distal bar and sheet sand of delta front mainly develop at the half cycle decreasing period.The turbidite sand body and distal bar,sheet sand of delta front are favorable reservoirs in the study area.
引文
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4邹才能,薛叔浩,赵文智,等.松辽盆地南部白垩系泉头组—嫩江组沉积层序特征与地层岩性油气藏形成条件[J].石油勘探与开发,2004,31(2):14-17[Zou Caineng,Xue Shuhao,Zhao Wenzhi,et al.Depositional sequences and forming conditions of the Cretaceous strati-graphic-Llithologic reservoirs in the Quantou-Nenjiang Formations,south Songliao Basin[J].Petroleum Exploration and Development,2004,31(2):14-17]
5刘鸿友,沈安江,王艳清,等.松辽盆地南部泉头组—嫩江组层序地层与油气藏成因成藏组合[J].吉林大学学报(地球科学版),2003,33(4):469-472[Liu Hongyou,Shen Anjiang,Wang Yanqinq,et al.Study on sequence stratigraphy and genesis assemblages forming oil and gas of the Quantou-Nenjiang Formations,in south Songliao Basin[J].Journal of Jilin University(Earth Science Edition),2003,33(4):469-472]
6王颖,王英民,赵志魁,等.松辽盆地南部泉头组四段—姚家组西部坡折带的成因及演化[J].石油勘探与开发,2005,32(3):33-36[Wang Ying,Wang Yinming,Zhao Zhikui,et al.Origin and evolution of the west slope belt in Member4Quantou Formation to Yaojia Forma-tion,South Songliao Basin[J].Petroleum Exploration and Develop-ment,2005,32(3):33-36]
7Cross T A.Stratigraphic controls on reservoir attributes in continental strata[J].Earth Science Frontiers,2000,7(4):322-350
8Cross TA.Application of high resolution sequence stratigraphy to res-ervoir analysis[C].Subsurface Reservoir Characterization fromOutcrop Observations Proceedings of the7th E&P Research Conference Paris,Techni,1993:11-33
9卓弘春,林春明,李艳丽,等.松辽盆地北部上白垩统青山口—姚家组沉积相及层序地层界面特征[J].沉积学报,2007,25(1):29-37[Zhuo Hongchun,Ling Chunming,Li Yanli,et al.Characteristics of sedimentary facies and sequence boundary in Upper Cretaceous Qings-hankou-Yaojia Formation of Northern Songliao Basin[J].Acta Sedim-entologica Sinica,2007,25(1):29-37]
2孙钰,钟建华,姜在兴,等.松辽盆地南部坳陷期层序地层研究[J].中国石油大学学报(自然科学版),2006,30(5):1-6[Sun Yu,Zhong Jianhua,Jiang Zaixing,et al.Study of sequence stratigraphy of depression period in south Songliao Basin[J].Journal of China Univer-sity of Petroleum,2006,30(5):1-6]
3柏涛,徐志伟.层序地层学在隐蔽圈闭预测中的应用——以松辽盆地南部为例[J].吉林大学学报(地球科学版),2004,34(1):73-77[Bai Tao,Xu Zhiwei.The application of sequence stratigraphy to the prediction of subtle trap:take Songnan region as an example[J].Jour-nal of Jilin University(Earth Science Edition),2004,34(1):73-77]
4邹才能,薛叔浩,赵文智,等.松辽盆地南部白垩系泉头组—嫩江组沉积层序特征与地层岩性油气藏形成条件[J].石油勘探与开发,2004,31(2):14-17[Zou Caineng,Xue Shuhao,Zhao Wenzhi,et al.Depositional sequences and forming conditions of the Cretaceous strati-graphic-Llithologic reservoirs in the Quantou-Nenjiang Formations,south Songliao Basin[J].Petroleum Exploration and Development,2004,31(2):14-17]
5刘鸿友,沈安江,王艳清,等.松辽盆地南部泉头组—嫩江组层序地层与油气藏成因成藏组合[J].吉林大学学报(地球科学版),2003,33(4):469-472[Liu Hongyou,Shen Anjiang,Wang Yanqinq,et al.Study on sequence stratigraphy and genesis assemblages forming oil and gas of the Quantou-Nenjiang Formations,in south Songliao Basin[J].Journal of Jilin University(Earth Science Edition),2003,33(4):469-472]
6王颖,王英民,赵志魁,等.松辽盆地南部泉头组四段—姚家组西部坡折带的成因及演化[J].石油勘探与开发,2005,32(3):33-36[Wang Ying,Wang Yinming,Zhao Zhikui,et al.Origin and evolution of the west slope belt in Member4Quantou Formation to Yaojia Forma-tion,South Songliao Basin[J].Petroleum Exploration and Develop-ment,2005,32(3):33-36]
7Cross T A.Stratigraphic controls on reservoir attributes in continental strata[J].Earth Science Frontiers,2000,7(4):322-350
8Cross TA.Application of high resolution sequence stratigraphy to res-ervoir analysis[C].Subsurface Reservoir Characterization fromOutcrop Observations Proceedings of the7th E&P Research Conference Paris,Techni,1993:11-33
9卓弘春,林春明,李艳丽,等.松辽盆地北部上白垩统青山口—姚家组沉积相及层序地层界面特征[J].沉积学报,2007,25(1):29-37[Zhuo Hongchun,Ling Chunming,Li Yanli,et al.Characteristics of sedimentary facies and sequence boundary in Upper Cretaceous Qings-hankou-Yaojia Formation of Northern Songliao Basin[J].Acta Sedim-entologica Sinica,2007,25(1):29-37]
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