塔里木东部寒武纪—中奥陶世坡折带沉积特征及勘探潜力
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摘要
地震剖面解释及沉积相研究证实塔里木东部轮东—古城地区、罗西地区寒武纪—中奥陶世沉积期发育两个近南北向展布的台地边缘相带。轮东—古城坡折带属缓坡型台地前缘坡折带,坡折带位置自寒武纪至中奥陶世逐渐向东迁移。罗西坡折带属台地边缘陡崖型坡折带,寒武纪—中奥陶世呈多期坡折垂向叠加特征。成藏条件分析表明:轮东—古城坡折带具有良好的寒武系古油藏及奥陶系原油裂解气的勘探前景,而罗西坡折带保存条件好的地区有望获得寒武系古油藏的勘探突破。
Based on a study of seismic sections and sedimentary facies,two Cambrian-Middle Ordovician break-slope zones were approved in Lundong—Gucheng and Luoxi areas of the eastern Tarim.The Lundong—Gucheng break-slope zone belonged to slow break-slope along the platform margin,and the shape on seismic sections showed that the Lundong—Gucheng break-slope moved eastward gradually from Cambrian to Middle-Ordovician.The Luoxi break-slope zone belonged to scarp break-slope along the platform margin,and the break-slope was aggraded vertically from Cambrian to Middle Ordovician.The study on the petroleum accumulation conditions indicated that the Lundong—Gucheng break-slope zone might have a considerable exploration potential of Cambrian palaeo-oil pools and Ordovician oil cracked gas,and exploration breakthrough of Cambrian palaeo-oil pools would be made in better conservation areas of the Luoxi break-slope.
Based on a study of seismic sections and sedimentary facies,two Cambrian-Middle Ordovician break-slope zones were approved in Lundong—Gucheng and Luoxi areas of the eastern Tarim.The Lundong—Gucheng break-slope zone belonged to slow break-slope along the platform margin,and the shape on seismic sections showed that the Lundong—Gucheng break-slope moved eastward gradually from Cambrian to Middle-Ordovician.The Luoxi break-slope zone belonged to scarp break-slope along the platform margin,and the break-slope was aggraded vertically from Cambrian to Middle Ordovician.The study on the petroleum accumulation conditions indicated that the Lundong—Gucheng break-slope zone might have a considerable exploration potential of Cambrian palaeo-oil pools and Ordovician oil cracked gas,and exploration breakthrough of Cambrian palaeo-oil pools would be made in better conservation areas of the Luoxi break-slope.
引文
陈新军,蔡希源,徐旭辉,朱建辉,唐大卿.2006.塔中地区寒武-奥陶系层序地层格架与沉积演化特征.新疆地质,24(3):276—280.Chen Xinjun,Cai Xiyuan,Xu Xuhui,Zhu Jianhui and Tang Daqing.2006.The research on sedimentation featrues in a Cam-brian-Ordovician sequence frame in the center of Tarim.Xinjiang Geology,24(3):276—280.
冯有良,徐秀生.2006.同沉积构造坡折带对岩性油气藏富集带的控制作用——以渤海湾盆地古近系为例.石油勘探与开发,33(1):22—25,31.Feng Youliang and Xu Xiusheng.2006.Syndepositional structural slope—break zone controls on lithologic reservoirs—Acasefrom Paleogene Bohai Bay Basin.Petroleum Exploration and Development,33(1):22—25,31.
高志前,樊太亮,焦志峰,李岩.2006.塔里木盆地寒武-奥陶系碳酸盐岩台地样式及其沉积响应特征.沉积学报,24(1):19—27.Gao Zhiqian,Fan Tailiang,Jiao Zhifeng and Li Yan.2006.The structural types and depositional characteristics of carbonateplatform in the Cambrian—Ordovician of Tarim Basin.Acta Sedimentologica Sinica,24(1):19—27.
顾家裕.1995.陆相盆地层序地层学格架概念及模式.石油勘探与开发,22(4):6—10.Gu Jiayu.1995.Framework concepts and models of sequence stratigraphy in nonmarine petroliferous basin.Petroleum Explo-ration and Development,22(4):6—10.
郭少斌.2006.陆相断陷盆地层序地层模式.石油勘探与开发,33(5):548—552.Guo Shaobin.2006.Sequence stratigraphy pattern of the terrestrial rifted basin.Petroleum Exploration and Development,33(5):548—552.
何登发,贾承造,李德生,张朝军,孟庆任,石昕.2005.塔里木多旋回叠合盆地的形成与演化.石油与天然气地质,26(1):64—77.He Dengfa,Jia Chengzao,Li Desheng,Zhang Chaojun,Meng Qingren and Shi Xin.2005.Formation and evolution of polycy-clic superimposed Tarim Basin.Oil&Gas Geology,26(1):64—77.
金英爱,桑洪,李毓丰,刘虎.2006.塔东地区英东2井钻探成果分析及其意义.石油天然气学报,28(1):34—36.Jin Ying ai,Sang Hong,Li Yufeng and Liu Hu.2006.The drilling result analysis and significance of the Yingdong—2Wellin east Tarim.Journal ofOil&Gas Technology,28(1):34—36.
李坤,赵锡奎,张小兵,叶斌.2007.塔里木盆地阿克库勒凸起油气输导体系类型与演化.地质科学,42(4):766—778.Li Kun,Zhao Xikui,Zhao Xiaobing and Ye Bin.2007.Hydrocarbon migration system and evolution of the Akekule Uplift inthe Tarim Basin.Chinese Jour.Geol.,42(4):766—778.
李曰俊,吴根耀,孟庆龙,杨海军,韩剑发,李新生,董立胜.2008.塔里木盆地中央地区的断裂系统:几何学、运动学和动力学背景.地质科学,43(1):82—118.Li Yuejun,Wu Genyao,Meng Qinglong,Yang Haijun,Han Jianfa,Li Xinsheng and Dong Lisheng.2008.Fault systems incentral area of the Tarim Basin:geometry,kinematics and dynamic settings.Chinese Jour.Geol.,43(1):82—118.
林畅松,潘元林,肖建新,孔凡仙,刘景彦,郑和荣.2000.“构造坡折带”——断陷盆地层序分析和油气预测的重要概念.地球科学,25(3):260—266.Lin Changsong,Pan Yuanlin,Xiao Jianxin,Kong Fanxian,Liu Jingyan and Zheng Herong.2000.Structural slope-breakzone:key concept for stratigraphic sequence analysis and petroleum forecasting in fault subsidence basins.Earth Sci-ence,25(3):260—266.
刘震,赵阳,杜金虎,肖伟,金博,许晓明,梁全胜,郝琦.2006.陆相断陷盆地岩性油气藏形成与分布的“多元控油—主元成藏”特征.地质科学,41(4):612—635.Liu Zhen,Zhao Yang,Du Jinhu,Xiao Wei,Jin Bo,Xu Xiaoming,Liang Quansheng and Hao Qi.2006.Characteristics of“multi-factor controlling and key-factor entrapping”of formation and distribution of lithologic petroleum reservoirs incontinental rift basin.Chinese Jour.Geol.,41(4):612—635.
刘震,郝琦,赵贤正,张以明,杨德相.2007.二连盆地砂岩体形成和分布的多元控制特征分析.地质科学,42(2):319—334.Liu Zhen,Hao Qi,Zhao Xianzheng,Zhang Yiming and Yang Dexiang.2007.Analysis on characteristics of multi-factor con-trolling sand-bodies formation and distribution in the Erlian Basin.Chinese Jour.Geol.,42(2):319—334.
孙龙德,李曰俊,江同文,杨海军.2007.塔里木盆地塔中低凸起:一个典型的复式油气区.地质科学,42(3):602—620.Sun Longde,Li Yuejun,Jiang Tongwen and Yang Haijun.2007.The Central Tarim Lower Uplift:A composite hydrocarbonaccumulation play in the Tarim Basin,NW China.Chinese Jour.Geol.,42(3):602—620.
王宏语,樊太亮,高志前,薛艳梅.2007.塔中地区奥陶纪古地貌及其对储集层的控制作用.新疆石油地质,28(1):15—19.Wang Hongyu,Fan Tailiang,Gao Zhiqian and Xue Yanmei.2007.Ordovician palaeogeomorphology and reservoir—controlledprocess in Tazhong area,Tarim Basin.Xinjiang Petroleum Geology,28(1):15—19.
肖中尧,卢玉红,吴懿,赵福元,钱玲,金英爱.2005.塔里木东部满东1井志留系天然气成因与成藏期初步分析.地质科学,40(2):362—273.Xiao Zhongyao,Lu Yuhong,Wu Yi,Zhao Fuyuan,Qian Ling and Jin Ying′ai.2005.Apreliminary study on natural gas gen-esis and pool-forming period in the Silurian of Well Mandong1,east Tarim Basin.Chinese Jour.Geol.,40(2):362—373.
杨海军,郝芳,韩剑发,蔡忠贤,顾乔元.2007.塔里木盆地轮南低凸起断裂系统与复式油气聚集.地质科学,42(4):795—811.Yang Haijun,Hao Fang,Han Jianfa,Cai Zhongxian and Gu Qiaoyuan.2007.Fault systems and multiple oil-gas accumulationplay of the Lunnan Lower Uplift,Tarim Basin.Chinese Jour.Geol.,42(4):795—811.
张水昌,赵文智,王飞宇,陈建平,肖中尧,钟宁宁,宋孚庆.2004.塔里木盆地东部地区古生界原油裂解气成藏历史分析——以英南2气藏为例.天然气地球科学,15(5):441—451.Zhang Shuichang,Zhao Wenzhi,Wang Feiyu,Chen Jianping,Xiao Zhongyao,Zhong Ningning and Song Fuqing.2004.Pa-leozoic oil cracking gas accumulation history from eastern part of the Tarim Basin——a case study of the YN2gas res-ervoir.Natural Gas Geoscience,15(5):441—451.
张月巧,贾进斗,靳久强,刘全有.2007.塔东地区寒武-奥陶系沉积相与沉积演化模式.天然气地球科学,18(2):229—234.Zhang Yueqiao,Jia Jindou,Jin Jiuqiang and Liu Quanyou.2007.Characteristics of Cambrian—Ordovician sedimentary faciesin Tadong region and its sedimentary model.Natural Gas Geoscience,18(2):229—234.
赵宗举,王招明,吴兴宁,陈学时.2007.塔里木盆地塔中地区奥陶系储层成因类型及分布预测.石油实验地质,29(1):40—46.Zhao Zongju,Wang Zhaoming,Wu Xingning and Chen Xueshi.2007.Genetic types and distribution forecast of available car-bonate reservoirs in Ordovician in the central area of TarimBasin.Petroleum Geology&Experiment,29(1):40—46.
朱长见,肖中尧,张宝民,金英爱,桑洪,刘永福,党青宁.2008.塔里木盆地古城4井区上寒武统—奥陶系储集层特征.石油勘探与开发,35(2):175—181.Zhu Changjian,Xiao Zhongyao,Zhang Baomin,Jin Ying ai,Sang Hong,Liu Yongfu and Dang Qingning.2008.Upper Cam-brian-Ordovician reservoir characteristics in Well Gucheng-4area,Tarim Basin.Petroleum Exploration and Develop-ment,35(2):175—181.
Cohen AS.1991.Tectono—stratigraphic model for sedimentation in lake Tanganyika,Africa.AAPG Memoir50:137—149.
Wilson J L.1975.Carbonate Facies in Geologic History.New York:Springer—Verlag.1—471.
Vail P R,Audemard F,Bowman S A,Eisner P N and Perez—Cruz G.1991.The stratigrahpic signatures tectonics,eustasyand sedimentation:an overview.In:Einsele G,Rochen W and Seilacher A.eds.Cycles and Events in Stratigraph-ty.Berlin:Springer—Verlag.615—659.
冯有良,徐秀生.2006.同沉积构造坡折带对岩性油气藏富集带的控制作用——以渤海湾盆地古近系为例.石油勘探与开发,33(1):22—25,31.Feng Youliang and Xu Xiusheng.2006.Syndepositional structural slope—break zone controls on lithologic reservoirs—Acasefrom Paleogene Bohai Bay Basin.Petroleum Exploration and Development,33(1):22—25,31.
高志前,樊太亮,焦志峰,李岩.2006.塔里木盆地寒武-奥陶系碳酸盐岩台地样式及其沉积响应特征.沉积学报,24(1):19—27.Gao Zhiqian,Fan Tailiang,Jiao Zhifeng and Li Yan.2006.The structural types and depositional characteristics of carbonateplatform in the Cambrian—Ordovician of Tarim Basin.Acta Sedimentologica Sinica,24(1):19—27.
顾家裕.1995.陆相盆地层序地层学格架概念及模式.石油勘探与开发,22(4):6—10.Gu Jiayu.1995.Framework concepts and models of sequence stratigraphy in nonmarine petroliferous basin.Petroleum Explo-ration and Development,22(4):6—10.
郭少斌.2006.陆相断陷盆地层序地层模式.石油勘探与开发,33(5):548—552.Guo Shaobin.2006.Sequence stratigraphy pattern of the terrestrial rifted basin.Petroleum Exploration and Development,33(5):548—552.
何登发,贾承造,李德生,张朝军,孟庆任,石昕.2005.塔里木多旋回叠合盆地的形成与演化.石油与天然气地质,26(1):64—77.He Dengfa,Jia Chengzao,Li Desheng,Zhang Chaojun,Meng Qingren and Shi Xin.2005.Formation and evolution of polycy-clic superimposed Tarim Basin.Oil&Gas Geology,26(1):64—77.
金英爱,桑洪,李毓丰,刘虎.2006.塔东地区英东2井钻探成果分析及其意义.石油天然气学报,28(1):34—36.Jin Ying ai,Sang Hong,Li Yufeng and Liu Hu.2006.The drilling result analysis and significance of the Yingdong—2Wellin east Tarim.Journal ofOil&Gas Technology,28(1):34—36.
李坤,赵锡奎,张小兵,叶斌.2007.塔里木盆地阿克库勒凸起油气输导体系类型与演化.地质科学,42(4):766—778.Li Kun,Zhao Xikui,Zhao Xiaobing and Ye Bin.2007.Hydrocarbon migration system and evolution of the Akekule Uplift inthe Tarim Basin.Chinese Jour.Geol.,42(4):766—778.
李曰俊,吴根耀,孟庆龙,杨海军,韩剑发,李新生,董立胜.2008.塔里木盆地中央地区的断裂系统:几何学、运动学和动力学背景.地质科学,43(1):82—118.Li Yuejun,Wu Genyao,Meng Qinglong,Yang Haijun,Han Jianfa,Li Xinsheng and Dong Lisheng.2008.Fault systems incentral area of the Tarim Basin:geometry,kinematics and dynamic settings.Chinese Jour.Geol.,43(1):82—118.
林畅松,潘元林,肖建新,孔凡仙,刘景彦,郑和荣.2000.“构造坡折带”——断陷盆地层序分析和油气预测的重要概念.地球科学,25(3):260—266.Lin Changsong,Pan Yuanlin,Xiao Jianxin,Kong Fanxian,Liu Jingyan and Zheng Herong.2000.Structural slope-breakzone:key concept for stratigraphic sequence analysis and petroleum forecasting in fault subsidence basins.Earth Sci-ence,25(3):260—266.
刘震,赵阳,杜金虎,肖伟,金博,许晓明,梁全胜,郝琦.2006.陆相断陷盆地岩性油气藏形成与分布的“多元控油—主元成藏”特征.地质科学,41(4):612—635.Liu Zhen,Zhao Yang,Du Jinhu,Xiao Wei,Jin Bo,Xu Xiaoming,Liang Quansheng and Hao Qi.2006.Characteristics of“multi-factor controlling and key-factor entrapping”of formation and distribution of lithologic petroleum reservoirs incontinental rift basin.Chinese Jour.Geol.,41(4):612—635.
刘震,郝琦,赵贤正,张以明,杨德相.2007.二连盆地砂岩体形成和分布的多元控制特征分析.地质科学,42(2):319—334.Liu Zhen,Hao Qi,Zhao Xianzheng,Zhang Yiming and Yang Dexiang.2007.Analysis on characteristics of multi-factor con-trolling sand-bodies formation and distribution in the Erlian Basin.Chinese Jour.Geol.,42(2):319—334.
孙龙德,李曰俊,江同文,杨海军.2007.塔里木盆地塔中低凸起:一个典型的复式油气区.地质科学,42(3):602—620.Sun Longde,Li Yuejun,Jiang Tongwen and Yang Haijun.2007.The Central Tarim Lower Uplift:A composite hydrocarbonaccumulation play in the Tarim Basin,NW China.Chinese Jour.Geol.,42(3):602—620.
王宏语,樊太亮,高志前,薛艳梅.2007.塔中地区奥陶纪古地貌及其对储集层的控制作用.新疆石油地质,28(1):15—19.Wang Hongyu,Fan Tailiang,Gao Zhiqian and Xue Yanmei.2007.Ordovician palaeogeomorphology and reservoir—controlledprocess in Tazhong area,Tarim Basin.Xinjiang Petroleum Geology,28(1):15—19.
肖中尧,卢玉红,吴懿,赵福元,钱玲,金英爱.2005.塔里木东部满东1井志留系天然气成因与成藏期初步分析.地质科学,40(2):362—273.Xiao Zhongyao,Lu Yuhong,Wu Yi,Zhao Fuyuan,Qian Ling and Jin Ying′ai.2005.Apreliminary study on natural gas gen-esis and pool-forming period in the Silurian of Well Mandong1,east Tarim Basin.Chinese Jour.Geol.,40(2):362—373.
杨海军,郝芳,韩剑发,蔡忠贤,顾乔元.2007.塔里木盆地轮南低凸起断裂系统与复式油气聚集.地质科学,42(4):795—811.Yang Haijun,Hao Fang,Han Jianfa,Cai Zhongxian and Gu Qiaoyuan.2007.Fault systems and multiple oil-gas accumulationplay of the Lunnan Lower Uplift,Tarim Basin.Chinese Jour.Geol.,42(4):795—811.
张水昌,赵文智,王飞宇,陈建平,肖中尧,钟宁宁,宋孚庆.2004.塔里木盆地东部地区古生界原油裂解气成藏历史分析——以英南2气藏为例.天然气地球科学,15(5):441—451.Zhang Shuichang,Zhao Wenzhi,Wang Feiyu,Chen Jianping,Xiao Zhongyao,Zhong Ningning and Song Fuqing.2004.Pa-leozoic oil cracking gas accumulation history from eastern part of the Tarim Basin——a case study of the YN2gas res-ervoir.Natural Gas Geoscience,15(5):441—451.
张月巧,贾进斗,靳久强,刘全有.2007.塔东地区寒武-奥陶系沉积相与沉积演化模式.天然气地球科学,18(2):229—234.Zhang Yueqiao,Jia Jindou,Jin Jiuqiang and Liu Quanyou.2007.Characteristics of Cambrian—Ordovician sedimentary faciesin Tadong region and its sedimentary model.Natural Gas Geoscience,18(2):229—234.
赵宗举,王招明,吴兴宁,陈学时.2007.塔里木盆地塔中地区奥陶系储层成因类型及分布预测.石油实验地质,29(1):40—46.Zhao Zongju,Wang Zhaoming,Wu Xingning and Chen Xueshi.2007.Genetic types and distribution forecast of available car-bonate reservoirs in Ordovician in the central area of TarimBasin.Petroleum Geology&Experiment,29(1):40—46.
朱长见,肖中尧,张宝民,金英爱,桑洪,刘永福,党青宁.2008.塔里木盆地古城4井区上寒武统—奥陶系储集层特征.石油勘探与开发,35(2):175—181.Zhu Changjian,Xiao Zhongyao,Zhang Baomin,Jin Ying ai,Sang Hong,Liu Yongfu and Dang Qingning.2008.Upper Cam-brian-Ordovician reservoir characteristics in Well Gucheng-4area,Tarim Basin.Petroleum Exploration and Develop-ment,35(2):175—181.
Cohen AS.1991.Tectono—stratigraphic model for sedimentation in lake Tanganyika,Africa.AAPG Memoir50:137—149.
Wilson J L.1975.Carbonate Facies in Geologic History.New York:Springer—Verlag.1—471.
Vail P R,Audemard F,Bowman S A,Eisner P N and Perez—Cruz G.1991.The stratigrahpic signatures tectonics,eustasyand sedimentation:an overview.In:Einsele G,Rochen W and Seilacher A.eds.Cycles and Events in Stratigraph-ty.Berlin:Springer—Verlag.615—659.
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