徐家围子以东地区葡萄花油层高分辨率层序地层学研究
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摘要
徐家围子以东地区是松辽盆地北部最重要的探区之一,区内发育葡萄花油层和扶杨油层,本文主要研究对象为葡萄花油层。通过近年来开发区外甩井的钻探及密井网的详细解剖认为区内已有油田具有很好的外扩潜力。针对该区存在砂体规模小、储层厚度薄、油水关系复杂、储量丰度低、缺乏系统的成藏机理等突出问题,本文以高分辨率层序地层学理论及其方法技术和沉积学理论为指导,利用该区详实的岩心、钻井、测井等资料,运用“以区域骨架封闭剖面为基础的标准层控制下的洪泛面系列组合标志、沉积模式-同生断层模式指导、逐级优先逼近、逐级分区闭合渐进推开,最后成因移界”对比技术,建立了全区高分辨率等时地层格架,将研究区葡萄花油层划分为9个小层12个沉积时间单元,提出了“向南地层厚度减薄,葡萄花顶底渐变为泥岩,各层逐渐减薄”地层模式,指出研究区葡萄花油层主要为松辽盆地北部物源体系东南分支控制的河控浅水三角洲沉积体系,借助1相、3亚相、10微相的测井相模式对全区沉积微相进行了精细解剖,进一步分析了研究区储层物性分布特征,揭示了研究区主要储层为河道砂和席状砂,并应用区域成藏综合分析技术对古构造、成藏模式、成藏主控因素及油气富集规律进行综合研究,确定了有利勘探区域,为油田下一步开发及评价井部署做足准备。
The area east of Xujiaweizi is one of the most important exploratory area in northern Songliao Basin, producing Putaohua oil layer and Fuyang oil layer. This thesis mainly study the Putaohua oil layer. It is considered that the existing oil field has good potential for expansion through the recent drilling of the stepout wells out of the area and the detailed dissection of the dense well pattern. Aiming at solving some outstanding problems, such as small scale of sand body, thin reservoir thickness, complex relationship between water and oil, low reserves and the lack of systematic accumulation mechanism, this thesis establishes isochronal high-resolution sequence stratigraphic framework under the guide of theories and techniques of high-resolution sequence stratigraphy and the theories of sedimentology, using the full and accurate data about the core, drilling and logging of this area, and applying comparative technique of flooding surface standard that based on regional frame closed secant and controlled by the guiding bed, sedimentation model-contemporaneous fault model guiding, progressive propriety approximation, progressive sectional closure and asymptotical expansion and finally reach genetic mobile boundary. It will divide the Putaohua oil layer into nine small layers and twelve sedimentation time units in this research area and propose the stratigraphic model that southern layer is thinning down, Putaohua top and bottom is turning to mudstone and all layers is thinning down, pointing out that the main Putaohua oil layer in the research area is the river dominated shallow-water delta depositional system controlled by the southeast branch of source system in northern Songliao Basin. This thesis also dissections the sedimentary microfacies of this research area using the logging model of 1 phase,3 sub-phase and 10 micro-phase, further analyze the characteristics of the reservoir properties distribution, and reveals that the main layers are channel sand and sheet sand. It makes a comprehensive study on ancient structure, accumulation model, the controlling factors of accumulation and oil-gas accumulation regulation with the application of region accumulation comprehensive analysis technique, and determines the favorable exploration area, making full preparation for the further exploration and appraisal of well in the oil field.
The area east of Xujiaweizi is one of the most important exploratory area in northern Songliao Basin, producing Putaohua oil layer and Fuyang oil layer. This thesis mainly study the Putaohua oil layer. It is considered that the existing oil field has good potential for expansion through the recent drilling of the stepout wells out of the area and the detailed dissection of the dense well pattern. Aiming at solving some outstanding problems, such as small scale of sand body, thin reservoir thickness, complex relationship between water and oil, low reserves and the lack of systematic accumulation mechanism, this thesis establishes isochronal high-resolution sequence stratigraphic framework under the guide of theories and techniques of high-resolution sequence stratigraphy and the theories of sedimentology, using the full and accurate data about the core, drilling and logging of this area, and applying comparative technique of flooding surface standard that based on regional frame closed secant and controlled by the guiding bed, sedimentation model-contemporaneous fault model guiding, progressive propriety approximation, progressive sectional closure and asymptotical expansion and finally reach genetic mobile boundary. It will divide the Putaohua oil layer into nine small layers and twelve sedimentation time units in this research area and propose the stratigraphic model that southern layer is thinning down, Putaohua top and bottom is turning to mudstone and all layers is thinning down, pointing out that the main Putaohua oil layer in the research area is the river dominated shallow-water delta depositional system controlled by the southeast branch of source system in northern Songliao Basin. This thesis also dissections the sedimentary microfacies of this research area using the logging model of 1 phase,3 sub-phase and 10 micro-phase, further analyze the characteristics of the reservoir properties distribution, and reveals that the main layers are channel sand and sheet sand. It makes a comprehensive study on ancient structure, accumulation model, the controlling factors of accumulation and oil-gas accumulation regulation with the application of region accumulation comprehensive analysis technique, and determines the favorable exploration area, making full preparation for the further exploration and appraisal of well in the oil field.
引文
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[5]陈方文.榆树林油田葡萄花油层沉积特征与油气富集规律研究[D].大庆石油学院硕士论文,2009,5-10.
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[31]曹树春.储集层精细描述的新思路[J].地质科技情报,2001,39-43.
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[39]邓宏文,王红亮等.鄂尔多斯盆地晋西地区山西组层序地层与储层特征,层序地层及其在油气勘探开发中的应用[M].石油工业出版社,1997,81-90.
[40]尹太举.依据高分辨率层序地层学进行剩余油分布预测[J].石油勘探与开发,2001,18-22.
[41]刘建民,徐守余.河流相储层沉积模式及对剩余油分布的控制[J].石油学报,2003,58-61.
[42]王朴,蔡进功,谢忠怀等.用含油薄片研究剩余油微观分布特征.油气地质与采收率[J].2002,60-61.
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[3]夏锦芬,胡明毅,胡治华等.高分辨率层序地层学的研究现状及发展趋势[J].内蒙古石油化工,2008,26-28.
[4]孙雨,马世忠,姜洪福等.松辽盆地三肇凹陷葡萄花油层河控浅水三角洲沉积模式[J].地质学报,2010,1502-1509.
[5]陈方文.榆树林油田葡萄花油层沉积特征与油气富集规律研究[D].大庆石油学院硕士论文,2009,5-10.
[6]迟元林,蒙启安,杨玉峰.松辽盆地岩性油藏形成背景与成藏条件分析[J].大庆石油地质与开发,2004,10-16.
[7]邓宏文.美国层序地层研究中的新学派—高分辨率层序地层学[J].石油与天然气地质,1995,89-97.
[8]孙雨,马世忠,姜洪福等.松辽盆地三肇凹陷葡萄花油层高频层序地层构型分析[J].地层学杂志,2010,371-379.
[9]王培俊,钟建华,牛永斌等.肇州油田北部扶杨油层储层沉积特征研究[J].西部探矿工程,2010,55-58.
[10]杜秀娟,赵向国,郑亚斌.松辽盆地榆树林油田葡萄花油层储层特征[J].内蒙古石油化工,2006,125-126.
[11]王秀娟,许建红,李恒双.大庆外围三肇凹陷沉积体系及其对储层质量的控制作用研究[J].长江大学学报,2010,32-36.
[12]姜洪福,陈发景,张云春等.松辽盆地三肇地区扶、杨油层储集层孔隙结构及评价[J].现代地质,2006,465-472.
[13]冯志琨,张兴金,马世忠等.低渗透砂岩油田开发地质分析[M].黑龙江科学技术出版社,1994,4-30.
[14]马世忠.松辽盆地河流—三角洲体系高分辨率层序地层学、储层构型及非均质模型研究[D].中国科学院研究生院,2003,52-56.
[15]穆龙新,贾爱林.河流—三角洲储层露头和现代河流沉积综合研究[R].北京：大庆石油管理局勘探开发研究院.石油勘探开发科学研究院,1998,41-46.
[16]邓宏文.高分辨率层序学在石油勘探开发中的应用[M].中国地质大学(北京),2002,1-50.
[17]顾家裕,邓宏文,朱筱敏.层序地层学及其在油气勘探开发中的应用论文集[C].石油工业出版社,1997,32-40.
[18]邓宏文,王红亮,宁宁.沉积物体积分配原理—高分辨率层序地层学的理论基础[J].地学前缘,2000,305-313.
[19]郑小武,邓宏文.测井高分辨率层序地层自动划分技术与应用尝试[J].石油与天然气地质,1999,357-360.
[20]Weimer, P.Sequence stratigraphy, facies geometries, and depositional history of the Mississippi fan, Gulf of Mexico [J]. A APGBulletin,1990,425-453.
[21]Miall, A.D.Reservoir heterogeneities in fluvial andstone:Lessons from outcrop tudies[J].AAPG Bulletin,1988,55-62.
[22]T.A.Cross.Stratigraphic Controls on Reservoir Attributes in Continental Strata [J]. Earth science frotiers,2000,322-350.
[23]Miall, A.D. The Geology of stratigraphic sequences [M].1997,17-21.
[24]Andrew D.Miall, Charlene E.Miall.Sequence stratigraphy as a scientific enterprise:the evolution and persistence of conflicting paradigms[J].Earth-Science Reviews,2001,321-348.
[25]Shanley KWetal perspective of continental sequence stratigraPhy AAPG Bulletm[J]. 1994,544-568.
[26]Galloway, W.E.Genetic stratigraphic sequences in basin analysis Ⅱ:Application to Northwest Gulf to Mexico Cenozoic Basin [J]. AAPG 1989,125-142.
[27]Robert R Berg. Reservoir sandstones [M]. Prentice2Hall, Incl, Cngle2 wood Cliffs, New Jersey,1986,131-133.
[28]王允诚.高分辨率层序地层学在油气勘探中的应用[M].北京：石油工业出版社,1999,24-45.
[29]马世忠,杨清彦,刘维国.河流层系储层立体综合评价方法[J].大庆石油地质与开发,2000,11-12.
[30]马世忠,王再山,干渝明.决口水逆沉积模式及其砂体内剩余油形成与富集[J].大庆石油地质与开发,2000,9-11,14.
[31]曹树春.储集层精细描述的新思路[J].地质科技情报,2001,39-43.
[32]于波,付国民,李永军等.樊家川油田河流相储层高分辨率层序地层特征[J].地球科学与环境学报,2005,53-58.
[33]赵澄林.沉积学原理[M].北京：石油工业出版社,2001,91.
[34]冯增昭.沉积岩石学[M].石油出版社,1993,77-100.
[35]梁积伟,李文厚.鄂尔多斯盆地东北部山西组高分辨层序地层学研究[J].沉积学报,2006,251-258.
[36]邓宏文.美国中西部尤英塔盆地始新世河湖相沉积高分辨率层序地层划分与对比,沉积学及岩相古地理学新进展[M].石油工业出版社,1995,22-31.
[37]刘丁曾,王启民,李伯虎.大庆多层砂岩油田开发[M].第一版.北京：石油工业出版 社,1996,5-6.
[38]马世忠,黄孝特,张太斌.定量自动识别测井微相的数学方法[J].石油地球物理勘探,2000,582-589.
[39]邓宏文,王红亮等.鄂尔多斯盆地晋西地区山西组层序地层与储层特征,层序地层及其在油气勘探开发中的应用[M].石油工业出版社,1997,81-90.
[40]尹太举.依据高分辨率层序地层学进行剩余油分布预测[J].石油勘探与开发,2001,18-22.
[41]刘建民,徐守余.河流相储层沉积模式及对剩余油分布的控制[J].石油学报,2003,58-61.
[42]王朴,蔡进功,谢忠怀等.用含油薄片研究剩余油微观分布特征.油气地质与采收率[J].2002,60-61.
[43]邓宏文,王红亮,李小猛.高分辨率层序地层在河流相储层分析中的应用,石油与天然气地质[J].1997,90-95.
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