塔里木盆地巴楚—麦盖提地区古生界油气藏成藏期次
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摘要
本文利用塔里木盆地巴楚—麦盖提地区8口井53块样品开展了流体包裹体的荧光观察和显微测温、测盐系统分析,并结合埋藏史、热演化史确定了研究区古生界油气藏的主要成藏期次及成藏时间。研究结果表明,研究区古生界油气藏曾发生过2期4个幕次的油气运聚事件,即:海西晚期的早成藏阶段,其可进一步划分为晚石炭世—早二叠世(距今309.40~289.20 Ma)和晚二叠世—早三叠世(距今262.90~241.20 Ma)2个幕次;喜马拉雅晚期的晚成藏阶段,主要以高成熟油充注及天然气成藏为主,其可划分为新近纪晚期(距今6.31~4.17 Ma)和第四纪早期(距今2.31~1.62 Ma)2个幕次。结合盆地构造演化史认为,2期油气运聚事件分别受海西晚期和喜马拉雅晚期构造运动控制,印支—燕山期构造抬升中止了烃源岩演化,形成了海西晚期和喜马拉雅晚期2个重要的油气成藏时期。
Fluid inclusion analysis is an effective method in the research of oil and gas migration,accumulation,and charging.In this study,the accumulation-forming stage and time of the petroleum reservoir in the Bachu-Maigaiti area locating in Tarim basin were determined on the basis of fluorescence microscope observation and measurement of salinity and temperature regarding the fifty-three samplesfrom eight wells by fluid inclusion analysis,in combination with the burial and thermal histories.The results indicate that 4 acts of 2 hydrocarbon migration and accumulation periods occurred in Paleozoic.The first period is the early accumulation stage during the Late Hercynian period,and can be further divided into two episodes,i.e.,Late Carboniferous-Early Permian of(309.4-289.2)Ma and Late Permian-Early Triassic of(262.9-241.2)Ma;The second period is the Late Himalayan period that can be divided into Late Neogene of(6.3-4.2)Ma and Early Quaternary of(2.3-1.6)Ma,and during which the high maturity hydrocarbon and natural gas primarily filled.According to the history of tectonic evolution of the basin,the two hydrocarbon migration and accumulation events were originally triggered by the late Hercynian and Late Himalaya tectonic movements,and then the evolution of the hydrocarbon source rocks was ended by the Indosinian-Yanshanian tectonic uplift,all of which jointly constituted the two hydrocarbon accumulation periods.
Fluid inclusion analysis is an effective method in the research of oil and gas migration,accumulation,and charging.In this study,the accumulation-forming stage and time of the petroleum reservoir in the Bachu-Maigaiti area locating in Tarim basin were determined on the basis of fluorescence microscope observation and measurement of salinity and temperature regarding the fifty-three samplesfrom eight wells by fluid inclusion analysis,in combination with the burial and thermal histories.The results indicate that 4 acts of 2 hydrocarbon migration and accumulation periods occurred in Paleozoic.The first period is the early accumulation stage during the Late Hercynian period,and can be further divided into two episodes,i.e.,Late Carboniferous-Early Permian of(309.4-289.2)Ma and Late Permian-Early Triassic of(262.9-241.2)Ma;The second period is the Late Himalayan period that can be divided into Late Neogene of(6.3-4.2)Ma and Early Quaternary of(2.3-1.6)Ma,and during which the high maturity hydrocarbon and natural gas primarily filled.According to the history of tectonic evolution of the basin,the two hydrocarbon migration and accumulation events were originally triggered by the late Hercynian and Late Himalaya tectonic movements,and then the evolution of the hydrocarbon source rocks was ended by the Indosinian-Yanshanian tectonic uplift,all of which jointly constituted the two hydrocarbon accumulation periods.
引文
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[18]郑显华.塔里木盆地西部巴楚—麦盖提地区石油地质特征及勘探建议[J].石油实验地质,1995(2):114-120.Zheng Xianhua.Petroleum Geological Characteristics and Exploration Proposals to Bachu-Maigaiti Area of the West Tarim Basin[J].Petroleum Geology and Experiment,1995(2):114-120.
[19]佘晓宇,施泽进,刘高波.巴楚—麦盖提地区油气成藏的输导系统[J].石油与天然气地质,2003,24(4):346-350.She Xiaoyu,Shi Zejin,Liu Gaobo.Pathway System of Oil and Gas Migration in Bachu-Magaiti Area[J].Oil&Gas Geology,2003,24(4):346-350.
[20]刘高波,施泽进,佘晓宇.巴楚—麦盖提的区域构造演化与油气分布规律[J].成都理工大学学报(自然科学版),2004,31(2):157-161.Liu Gaobo,Shi Zejin,She Xiaoyu.Regional Tectonic Evolution and Distribution of Bachu-Markit[J].Journal of Chengdu University of Technology(Science&Technology Edition),2004,31(2):157-161.
[21]李纯全,陈红汉,刘惠民.利用油包裹体微束荧光光谱判识油气充注期次[J].地球科学:中国地质大学学报,2010,35(4):657-660.Li Chunquan,Chen Honghan,Liu Huimin.Identification of Hydrocarbon Charging Events by Using Micro Beam Fluorescence Spectra of Petroleum Inclusions[J].Earth Science:Journal of china University of Geosciences,2010,35(4):657-660.
[22]Goldstein R H.Reequilibration of Fluid Inclusions in Low-Temperature Calcium-Carbonate Cement[J].Geology,1986,14(9):792-795.
[23]陈红汉.油气成藏年代学研究进展[J].石油与天然气地质,2007,28(2):143-150.Chen Honghan.Advances in Geochronology of Hydrocarbon Accumulation[J].Oil&Gas Geology,2007,28(2):143-150.
[24]杨杰,陈丽华.利用荧光光谱进行原油测定及对比的方法[J].石油勘探与开发,2002,29(6):69-71.Yang Jie,Chen Lihua.Fluorographic Geochemical Analysis and Its Application[J].Petroleum Exploration and Development,2002,29(6):69-71.
[25]赵艳军,陈红汉,李华明.显微荧光光谱技术在油包裹体研究中的应用:以三塘湖盆地石炭-二叠系火山岩油气藏为例[J].吉林大学学报(地球科学版),2010,40(6):1248-1254.Zhao Yanjun,Chen Honghan,Li Huaming.Application of Micro-Beam of Fluorescence Spectra to Oil Inclusion Study:Take the Carboniferous-Permian Volcanic Reservoir of Santanghu Basin for Example[J].Journal of Jilin University(Earth Science Edition),2010,40(6):1248-1254.
[26]Chen H H,Yao S Z,Wang J H.Thermody-Namic Modeling of Fluid Bearing Natural Gas Inclusions for Geothermometer and Geo Barometer of Over Pressured Environments in Qiondongnan Basin,South China Sea[J].Journal of China University of Geosciences,2002,13(3):240-247.
[27]Chen Honghan,Zhang Qiming,Shi Jixi.Evidence of Fluid Inclusion for Thermal Fluid-Bearing Hydrocarbon Movements in Qiongdongnan Basin,South China Sea[J].Science China Earth Sciences,1997,40(6):648-655.
[28]赵彦德,齐亚林,罗安湘,等.应用流体包裹体和自生伊利石测年重构鄂尔多斯盆地侏罗系油藏烃类充注史[J].吉林大学学报(地球科学版),2016,46(6):1637-1648.Zhao Yande,Qi Yalin,Luo Anxiang,et al.Application of Fluid Inclusions and Dating of Authigenic Illite in Reconstruction Jurassic Reservoirs Hydrocarbon Filling History,Ordos Basin[J].Journal of Jilin University(Earth Science Edition),2016,46(6):1637-1648.
[29]吴礼明,丁文龙,赵松,等.塔里木盆地巴楚—麦盖提地区古构造研究[J].断块油气田,2012,19(1):6-11.Wu Liming,Ding Wenlong,Zhao Song,et al.Palaeotectonic Analysis in Bachu-Markit Area,Tarim Basin[J].Fault-Block Oil and Gas Field,2012,19(1):6-11.
[30]尹微,樊太亮,王宏语,等.塔里木盆地巴楚地区油气运移的控制因素分析[J].西北地质,2006,39(3):75-82.Yin Wei,Fan Tailiang,Wang Hongyu,et al.Controlling Factors of Hydrlcarbon Migration in Bachu Area of Tarim Basin[J].Northwestern Geology,2006,39(3):75-82.
[2]张文淮,陈紫英.流体包裹体地质学[M].武汉:中国地质大学出版社,1993.Zhang Wenhuai,Chen Ziying.Fluid Inclusion Geology[M].Wuhan:China University of Geosciences Press,1993.
[3]刘斌,沈昆.包裹体流体势图在油气运聚研究方面的应用[J].地质科技情报,1998,17(增刊):81-86.Liu Bin,Shen Kun.Application of Fluid Potential Map Obtained from Fluid Inclusion Data to the Research of Oil Gas Migration[J].Geological Science and Technology Information,1998,17(Sup.):81-86.
[4]Pamell J,Carey P,Dumcan W.History of Hydracarbon Charge on the Atlantic Margin:Evidence from Fluid-Inclusion Studies,West of Sthetland[J].Ceology,1998,26(9):807-810.
[5]张金亮.利用流体包裹体研究油藏注入史[J].西安石油学院学报,1998,13(4):1-4.Zhang Jinliang.Application of Fluid Inclusions to the Study of Oil Reservoir Filling History[J].Journal of Xi’an Petroleum Institute,1998,13(4):1-4.
[6]Parnell J,Carey P F,Monson B.Fluid Inclusion Constraints on Temperatures of Petroleum Migration from Authigenic Quartz in Bitumen Veins[J].Chemical Geology,1996,129(3/4):217-226.
[7]卢明国,李国维,陈劲人,等.储层裂缝充填矿物的流体包裹体在油气运移史研究中的应用[J].海相油气地质,1995,2(1):49-56.Lu Mingguo,Li Guowei,Chen Jinren,et al.The Application of Mineral Liquid Inclusion in Reservoir Fractures to Petroleum Migration Studies[J].Marine Origin Petroleum Geology,1995,2(1):49-56.
[8]张鼐,张水昌,王大锐,等.塔里木盆地有机包裹体特征[J].地质科学,2002,37(增刊):113-120.Zhang Nai,Zhang Shuichang,Wang Darui,et al.Characters of Organic Inclusions from the Tarim Basin[J].Chinese Journal of Geology,2002,37(Sup.):113-120.
[9]斯尚华,陈红汉,丰勇,等.塔里木盆地沙雅隆起下白垩统双源三幕油气充注成藏的流体包裹体证据[J].石油学报,2013,34(1):12-21.Si Shanghua,Chen Honghan,Feng Yong,et al.Two Sources and Three Charging Events of Hydrocarbons in Lower Cretaceous Reservoirs in Shaya Uplift,Tarim Basin:Evidence from Fluid Inclusion Analysis[J]Acta Petrolei Sincia,2013,34(1):12-21.
[10]陈红汉,李纯泉,张希明,等.运用流体包裹体确定塔河油田油气成藏期次及主成藏期[J].地学前缘,2002,10(1):190.Chen Honghan,Li Chunquan,Zhang Ximing,et al.The Use of Fluid Inclusions to Determine Tahe Oil and Gas Accumulation Periods and the Main Accumulation Period[J].Earth Science Frontiers,2002,10(1):190.
[11]Munz I A.Petroleum Inclusions in Sedimentary Basins:Systematics,Analytical Methods and Applications[J].Lithos,2001,55(1/2/3/4):195-212.
[12]Goldstein R H.Fluid Inclusions in Sedimentary and Diagenetic Systems[J].Lithos,2001,55(1/2/3/4):159-193.
[13]吕海涛,张仲培,邵志兵,等.塔里木盆地巴楚-麦盖提地区早古生代古隆起的演化及其勘探意义[J].石油与天然气地质,2010,31(1):76-83.LüHaitao,Zhang Zhongpei,Shao Zhibing,et al.Structural Evolution and Exploration Significance of the Early Paleozoic Palaeouplifts in Bachu-Maigaiti Area,the Tarim Basin[J].Oil&Gas Geology,2010,31(1):76-83.
[14]刘洛夫,王伟华,徐新德,等.塔里木盆地群5井芳烃地球化学研究[J].沉积学报,1996,14(2):47-55.Liu Luofu,Wang Weihua,Xu Xinde,et al.Study on Aromatic Hydrocarbons of Crude Oils from Qun 5Well in Tarim Basin[J].Acta Sedimentologica Sinica,1996,14(2):47-55.
[15]高志龙.塔里木盆地巴楚隆起烃源岩特征及其油气源研究[J].石油实验地质,2000,22(4):319-324.Gao Zhilong.Source Rock Characteristics and Oil/Gas Sources of Bachu Uplift in the Tarim Basin[J].Petroleum Geology and Experiment,2000,22(4):319-324.
[16]刘长伟,王飞宇,李术元.塔西南坳陷北坡至巴楚凸起的生烃史[J].新疆石油地质,2002,23(2):121-123.Liu Changwei,Wang Feiyu,Li Shuyuan.Hydrocarbon Generating History in North Slope of South West Depression in Tarim Basin to Bachu Arch[J].Xinjiang Petroleum Geology,2002,23(2):121-123.
[17]马红强,王恕一,蔺军.塔里木盆地巴楚—麦盖提地区油气运聚与成藏[J].石油实验地质,2006,28(3):243-248.Ma Hongqiang,Wang Shuyi,Lin Jun.Hydrocarbon Migration and Accumulation Characteristics in the Bachu-Maigaiti Area of the Tarim Basin[J].Petroleum Geology and Experiment,2006,28(3):243-248.
[18]郑显华.塔里木盆地西部巴楚—麦盖提地区石油地质特征及勘探建议[J].石油实验地质,1995(2):114-120.Zheng Xianhua.Petroleum Geological Characteristics and Exploration Proposals to Bachu-Maigaiti Area of the West Tarim Basin[J].Petroleum Geology and Experiment,1995(2):114-120.
[19]佘晓宇,施泽进,刘高波.巴楚—麦盖提地区油气成藏的输导系统[J].石油与天然气地质,2003,24(4):346-350.She Xiaoyu,Shi Zejin,Liu Gaobo.Pathway System of Oil and Gas Migration in Bachu-Magaiti Area[J].Oil&Gas Geology,2003,24(4):346-350.
[20]刘高波,施泽进,佘晓宇.巴楚—麦盖提的区域构造演化与油气分布规律[J].成都理工大学学报(自然科学版),2004,31(2):157-161.Liu Gaobo,Shi Zejin,She Xiaoyu.Regional Tectonic Evolution and Distribution of Bachu-Markit[J].Journal of Chengdu University of Technology(Science&Technology Edition),2004,31(2):157-161.
[21]李纯全,陈红汉,刘惠民.利用油包裹体微束荧光光谱判识油气充注期次[J].地球科学:中国地质大学学报,2010,35(4):657-660.Li Chunquan,Chen Honghan,Liu Huimin.Identification of Hydrocarbon Charging Events by Using Micro Beam Fluorescence Spectra of Petroleum Inclusions[J].Earth Science:Journal of china University of Geosciences,2010,35(4):657-660.
[22]Goldstein R H.Reequilibration of Fluid Inclusions in Low-Temperature Calcium-Carbonate Cement[J].Geology,1986,14(9):792-795.
[23]陈红汉.油气成藏年代学研究进展[J].石油与天然气地质,2007,28(2):143-150.Chen Honghan.Advances in Geochronology of Hydrocarbon Accumulation[J].Oil&Gas Geology,2007,28(2):143-150.
[24]杨杰,陈丽华.利用荧光光谱进行原油测定及对比的方法[J].石油勘探与开发,2002,29(6):69-71.Yang Jie,Chen Lihua.Fluorographic Geochemical Analysis and Its Application[J].Petroleum Exploration and Development,2002,29(6):69-71.
[25]赵艳军,陈红汉,李华明.显微荧光光谱技术在油包裹体研究中的应用:以三塘湖盆地石炭-二叠系火山岩油气藏为例[J].吉林大学学报(地球科学版),2010,40(6):1248-1254.Zhao Yanjun,Chen Honghan,Li Huaming.Application of Micro-Beam of Fluorescence Spectra to Oil Inclusion Study:Take the Carboniferous-Permian Volcanic Reservoir of Santanghu Basin for Example[J].Journal of Jilin University(Earth Science Edition),2010,40(6):1248-1254.
[26]Chen H H,Yao S Z,Wang J H.Thermody-Namic Modeling of Fluid Bearing Natural Gas Inclusions for Geothermometer and Geo Barometer of Over Pressured Environments in Qiondongnan Basin,South China Sea[J].Journal of China University of Geosciences,2002,13(3):240-247.
[27]Chen Honghan,Zhang Qiming,Shi Jixi.Evidence of Fluid Inclusion for Thermal Fluid-Bearing Hydrocarbon Movements in Qiongdongnan Basin,South China Sea[J].Science China Earth Sciences,1997,40(6):648-655.
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