源断裂在断陷盆地油运聚成藏中的作用研究
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摘要
利用油藏解剖和地震解释成果,对贝尔凹陷断裂发育及活动特征、断裂在油运移和聚集中的作用进行了研究,认为贝尔凹陷共发育有早期伸展、中期走滑和晚期反转3套断裂系统,主要在南二段,伊二、三段和青元岗组沉积时期活动,晚期反转断裂是南屯组源岩和不同储层圈闭的源断裂。不同类型源断裂对不同地区和层位油运移和聚集所起的作用不同,T5—T1源断裂是贝西次凹南屯组源岩生成油向苏德尔特和霍多莫尔地区基岩潜山侧向运移的输导通道,过T23—T1源断裂是贝西次凹南屯组源岩生成油向霍多莫尔及周边地区大磨拐河组二段垂向运移的输导通道。T5—T1源断裂控制着苏德尔特地区基岩潜山裂缝圈闭的形成,反向过T23—T1源断裂控制着贝西斜坡南屯组断层圈闭的形成,边界过T23—T1源断裂控制着霍多莫尔地区南屯组断层圈闭的形成。
Through the use of oil reservoir research and seismic interpretation results,the development and activity characteristics of faults and the effect of faults on oil migration and accumulation were studied in Beier Depression.It was considered that three sets of fault systems had developed,which were early extended fault system,middle strike-slip fault system and later reversed fault system.Sedimentary period of K1n2,K1y2+3 and K2q are main active periods of faults.Later reversed faults are source faults connecting Nantun Formaion source rock and traps in different reservoirs.Different types of source faults play the different roles during oil migration and accumulation in different regions and strata.Source faults from T5 to T1 are the transporting pathways that the oil,generated from Nantun Formation source rocks in Beixi subsag,laterally migrates into the buried hill bedrock in Sudeerte and Huoduomoer Regions.Source faults from T23 to T1 are the transporting pathways that oil,generated from Nantun Formation source rocks in Beixi subsag,vertically migrates into the reservoirs of K1d2 in Huoduomoer and the around regions.Source faults from T5 to T1 controlled the formation of fracture traps of buried hill bedrock in Sudeerte Region.Reverse boundary source faults from T23 to T1 controlled the formation of fault traps of Nantun Formaion in Beixi slope.Source faults from T23 to T1 controlled the formation of fault traps of Nantun formation in Huoduomoer Region.
Through the use of oil reservoir research and seismic interpretation results,the development and activity characteristics of faults and the effect of faults on oil migration and accumulation were studied in Beier Depression.It was considered that three sets of fault systems had developed,which were early extended fault system,middle strike-slip fault system and later reversed fault system.Sedimentary period of K1n2,K1y2+3 and K2q are main active periods of faults.Later reversed faults are source faults connecting Nantun Formaion source rock and traps in different reservoirs.Different types of source faults play the different roles during oil migration and accumulation in different regions and strata.Source faults from T5 to T1 are the transporting pathways that the oil,generated from Nantun Formation source rocks in Beixi subsag,laterally migrates into the buried hill bedrock in Sudeerte and Huoduomoer Regions.Source faults from T23 to T1 are the transporting pathways that oil,generated from Nantun Formation source rocks in Beixi subsag,vertically migrates into the reservoirs of K1d2 in Huoduomoer and the around regions.Source faults from T5 to T1 controlled the formation of fracture traps of buried hill bedrock in Sudeerte Region.Reverse boundary source faults from T23 to T1 controlled the formation of fault traps of Nantun Formaion in Beixi slope.Source faults from T23 to T1 controlled the formation of fault traps of Nantun formation in Huoduomoer Region.
引文
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[10]付广,王有功,黄劲松.倾斜裂缝垂向封闭性演化特征研究:以海拉尔盆地贝尔凹陷布达特群为例[J].地质科学,2008,43(1):23-33.Fu Guang,Wang Yougong,Huang Jinsong.Study on evolutionalfeatures of vertical seal of dip fractures:A case study from the BudateGroup in the Buir Sag,Hailar Basin[J].Chinese Journal of Geology,2008,43(1):23-33.
[11]付广,王国民,王有功.贝尔凹陷布达特群垂直裂缝垂向封闭性演化特征[J].吉林大学学报:地球科学版,2007,37(5):913-918.Fu Guang,Wang Guomin,Wang Yougong.Sealing ability verticalchanges of the vertical fractures in Budate Group of Beier Depression,Hailaer Basin[J].Journal of Jilin University:Earth Science Edition,2007,37(5):913-918.
[12]刘钦节,闫相祯,杨秀娟.优化反分析方法在地应力与裂缝研究中的应用[J].石油钻探技术,2009,37(2):26-31.Liu Qinjie,Yan Xiangzhen,Yang Xiujuan.Application of optimizationbackanalysis method in reservoir stress and fracture study[J].Petroleum Drilling Techniques,2009,37(2):26-31.
[2]孙永河,万军,付晓飞,等.贝尔凹陷断裂演化特征及其对潜山裂缝的控制[J].石油勘探与开发,2007,34(3):316-322.Sun Yonghe,Wan Jun,Fu Xiaofei,et al.Evolutionary of faults andtheir control on fractures in buried hill in Beier Depression[J].PetroleumExploration and Development,2007,34(3):316-322.
[3]侯艳平,朱德丰,任延广,等.贝尔凹陷构造演化及其对沉积和油气的控制作用[J].大地构造与成矿学,2008,32(3):300-307.Hou Yanping,Zhu Defeng,Ren Yanguang,et al.Tectonic evolutionand its controlling on sedimentation and hydrocarbon accumulation inBeier Depression[J].Geotectonica et Metallogenia,2008,32(3):300-307.
[4]康德江,庞雄奇,张云峰.贝尔凹陷苏德尔特潜山储集性能及其主控因素[J].石油勘探与开发,2008,35(2):188-194.Kang Dejiang,Pang Xiongqi,Zhang Yunfeng.Reservoir properties ofSuderte buried hill and main controlling factors,Beier Sag in China[J].Petroleum Exploration and Development,2008,35(2):188-194.
[5]高长海,查明.不整合运移通道类型及输导油气特征[J].地质学报,2008,82(8):1113-1120.Gao Changhai,Zha Ming.The types of unconformity migration passagesand characteristics of hydrocarbon transport[J].Acta Geologica Sinica,2008,82(8):1113-1120.
[6]付正,刘钦甫,田威猛,等.海拉尔盆地贝尔凹陷兴安岭群储层黏土矿物组成及特征研究[J].地球学报,2008,29(2):174-178.Fu Zheng,Liu Qinfu,Tian Weimeng,et al.Composition andcharacteristics of clay minerals from the Xinganling group in the BeierDepression of the Hailar Basin[J].Acta Geoscientica Sinica,2008,29(2):174-178.
[7]陈守田,刘招君,崔凤林,等.海拉尔盆地含油气系统[J].吉林大学学报:地球科学版,2002,32(2):151-154.Chen Shoutian,Liu Zhaojun,Cui Fenglin,et al.Oil-gas bearing systemof Hailaer Basin[J].Journal of Changchun University:Science andTechnology,2002,32(2):151-154.
[8]王家亮,张金川,张杰,等.海拉尔盆地贝尔凹陷的油气运聚分析[J].现代地质,2003,17(4):459-465.Wang Jialiang,Zhang Jinchuan,Zhang Jie,et al.Oil migration andaccumulation in the Beier Depression the Hailaer Basin[J].Geoscience,2003,17(4):459-465.
[9]罗群,庞雄奇.断陷盆地群的含油气系统特征:以海拉尔盆地乌尔逊、贝尔凹陷为例[J].新疆石油地质,2003,24(1):27-30.Luo Qun,Pang Xiongqi.Characteristics and comparison of petroleumsystems in faulted basin group:An example of Wuerxun and Beir Sagsin Hailaer Basin[J].Xinjiang Petroleum Geology,2003,24(1):27-30.
[10]付广,王有功,黄劲松.倾斜裂缝垂向封闭性演化特征研究:以海拉尔盆地贝尔凹陷布达特群为例[J].地质科学,2008,43(1):23-33.Fu Guang,Wang Yougong,Huang Jinsong.Study on evolutionalfeatures of vertical seal of dip fractures:A case study from the BudateGroup in the Buir Sag,Hailar Basin[J].Chinese Journal of Geology,2008,43(1):23-33.
[11]付广,王国民,王有功.贝尔凹陷布达特群垂直裂缝垂向封闭性演化特征[J].吉林大学学报:地球科学版,2007,37(5):913-918.Fu Guang,Wang Guomin,Wang Yougong.Sealing ability verticalchanges of the vertical fractures in Budate Group of Beier Depression,Hailaer Basin[J].Journal of Jilin University:Earth Science Edition,2007,37(5):913-918.
[12]刘钦节,闫相祯,杨秀娟.优化反分析方法在地应力与裂缝研究中的应用[J].石油钻探技术,2009,37(2):26-31.Liu Qinjie,Yan Xiangzhen,Yang Xiujuan.Application of optimizationbackanalysis method in reservoir stress and fracture study[J].Petroleum Drilling Techniques,2009,37(2):26-31.
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