准噶尔盆地滴北凸起早石炭世沉积充填特征及油气地质意义
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摘要
利用钻井、测井、地震、古生物及地化分析资料,研究了准噶尔盆地滴北凸起早石炭世构造环境、沉积充填特征及其油气地质意义。结果表明,滴北凸起早石炭世发育半地堑式伸展断陷,发育海相复理石建造并发育海底火山喷发岩,具备烃源岩的发育环境。泉5井最新的地化分析表明,该区烃源岩发育且成熟度高,为好—较好烃源岩;这个结果改写了滴北凸起石炭系烃源岩成熟度低、无勘探潜力的认识。依据克拉美丽气田"近源隆控"的成熟勘探模式,提出滴北凸起发育"源储一体"和"近源隆控"2种模式,明确了有利勘探区带。
This paper studies the tectonic setting,sedimentary filling characteristics and the petroleum geologic significance of the Early Carboniferous deposits in Dibei uplift,Junggar Basin,based on the datasets consisted of drilling,logging,seismic,paleontology,and geochemical data. It is suggested that during the Early Carboniferous Dibei uplift developed half-garben stretching rift and was characterized by the marine flysch and volcanic facies,which make it suitable for the occurrence of the hydrocarbon source rock. Based on the latest geochemical study of Well Quan 5,Dibei uplift has the source rock with high maturity,i.e. good source rocks. Such geological understanding breaks the original one that the Carboniferous source rocks of Dibei uplift is low-maturity and has no exploration potential. According to the matureexploration model of "near source and uplift controls" in Kalameili gas-field,this paper proposes two hydrocarbon accumulation patterns in Dibei uplift: "source and reservoir integration" and "near source and uplift controls",which clears the favorable exploration zone.
This paper studies the tectonic setting,sedimentary filling characteristics and the petroleum geologic significance of the Early Carboniferous deposits in Dibei uplift,Junggar Basin,based on the datasets consisted of drilling,logging,seismic,paleontology,and geochemical data. It is suggested that during the Early Carboniferous Dibei uplift developed half-garben stretching rift and was characterized by the marine flysch and volcanic facies,which make it suitable for the occurrence of the hydrocarbon source rock. Based on the latest geochemical study of Well Quan 5,Dibei uplift has the source rock with high maturity,i.e. good source rocks. Such geological understanding breaks the original one that the Carboniferous source rocks of Dibei uplift is low-maturity and has no exploration potential. According to the matureexploration model of "near source and uplift controls" in Kalameili gas-field,this paper proposes two hydrocarbon accumulation patterns in Dibei uplift: "source and reservoir integration" and "near source and uplift controls",which clears the favorable exploration zone.
引文
陈世加,陈雪,路俊刚,陆林超,杨国平,王熠.2011.准噶尔盆地滴北凸起天然气来源及成藏特征.天然气地球科学,22(1):97-101.[Chen S J,Chen X,Lu J G,Lu L C,Yang G P,Wang Y.2011.Characteristics of natural gas sources and accumulation in Dibei Uplift of Junggar Basin.Natural Gas Geoscience,22(1):97-101]
董雪梅,徐怀民,贺陆明,任军民,吴静.2012.克拉美丽石炭系火山岩气田的高效勘探开发.新疆石油地质,33(2):214-217.[Dong X M,Xu H M,He L M,Ren J M,Wu J.2012.Efficient exploration and development of Carboniferous volcanic gas field in Kelameili Area in Junggar Basin.XinJiang Petroleum Geology,33(2):214-217]
何国琦,李茂松,贾进斗.2001.论新疆东准噶尔蛇绿岩的时代及其意义.北京大学学报(自然科学版),37(6):852-858.[He GQ,Li M S,Jia J D.2001.A discussion on age and tectonic significance of Ophiolite in Eastern Junggar,Xinjiang.Acta Scientiarum Naturalium Universitatis Pekinensis,37(6):852-858]
晋慧娟,李育慈,李菊英.1989.新疆北天山中石炭统的复理石相.沉积学报,7(1):51-56.[Jin H J,Li Y C,Li J Y.1989.The Flysch facies of Middle Carboniferous in the Northern Tianshan,XinJiang.Acta Sedimentologica Sinica,7(1):51-56]
李涤,何登发,樊春,唐勇,阳孝法,常秋生,袁航.2012a.准噶尔盆地克拉美丽气田石炭系玄武岩的地球化学特征及构造意义.岩石学报,28(3):981-992.[Li D,He D F,Fan C,Tang Y,Yang XF,Chang Q S,Yuan H.2012a.Geochemical characteristics and tectonic significance of Carboniferous basalt in the Karameili gas field of Junggar Basin.Acta Petrologica Sinica,28(3):981-992]
李涤,何登发,唐勇,樊春,孔玉华.2012b.准噶尔盆地滴南凸起早石炭世火山岩的成因及其对克拉美丽洋闭合时限的约束.岩石学报,28(8):2340-2354.[Li D,He D F,Tang Y,Fan C,Kong YH.2012b.Genesis of Early Carboniferous volcanic rocks of the Di'nan uplift in Junggar Basin:Constraints to the closure time of Kalamaili ocean.Acta Petrologica Sinica,28(8):2340-2354]
李锦轶,杨天南,李亚萍,朱志新.2009.东准噶尔卡拉麦里断裂带的地质特征及其对中亚地区晚古生代洋陆格局重建的约束.地质通报,28(12):1817-1826.[Li J Y,Yang T N,Li Y P,Zhu Z X.2009.Geological features of the Karamaili faulting belt,eastern Junggar region,Xinjiang,China and its constraints on the reconstruction of Late Paleozoic ocean-continental framework of the Central Asian region.Geological Bulletin of China,28(12):1817-1826]
李林,夏惠平,陈世加,陆俊刚,夏青.2010.准噶尔盆地滴北凸起天然气成因及成藏特征.新疆石油地质,31(4):352-355.[Li L,Xia H P,Chen S J,Lu J G,Xia Q.2010.Natural gas origin and its accumulation feature in Dibei Swell in Junggar Basin.Xinjiang Petroleum Geology,31(4):352-355]
李艳平,黄芸,袁波,冀冬生.2016.卡拉麦里山前石炭系火山岩序列层位归属及分布研究.新疆地质,34(4):518-519.[Li Y P,Huang Y,Yuan B,Ji D S.2016.Study on the ownership and distribution of volcano rock sequence of Carboniferous at Kelameili Piedmont.XinJiang Geology,34(4):518-519]
李增田.1990.细碧岩成因综述.地质科技情报,9(1):19-24.[Li Z T.1990.Review on geneses of spilite.Geological Science and Technology Information,9(1):19-24]
舒良树,王玉净.2003.新疆卡拉麦里蛇绿岩带中硅质岩的放射虫化石.地质论评,49(4):408-412.[Shu L S,Wang Y J.2003.Early carboniferous radiolarian fossils from siliceous rocks of the Kelameili Ophiolite,XinJiang.Geological Review,49(4):408-412]
汪帮耀,姜常义,李永军,吴宏恩,夏昭德,卢荣辉.2009.新疆东准噶尔卡拉麦里蛇绿岩的地球化学特征及大地构造意义.矿物岩石,29(3):74-82.[Wang B Y,Jiang C Y,Li Y J,Wu H E,Xia ZD,Lu R H.2009.Geochemistry and tectonic implication of Karamali ophiolite in east Junggar of Xinjiang.Journal of Mineralogy and Petrology,29(3):74-82]
王启宇,牟传龙,陈小炜,康建威.2014.准噶尔盆地及周缘地区石炭系岩相古地理特征及油气基本地质条件.古地理学报,16(5),655-671.[Wang Q Y,Mu C L,Chen X W,Kang J W.2014.Palaeogeographic characteristics and basic geological conditions of petroleum of the Carboniferous in Junggar Basin and its adjacent areas.Journal of Palaeogeography(Chinese Edition),16(5),655-671]
吴小奇,刘德良,魏国齐,李剑,李振生.2009.准噶尔盆地陆东-五彩湾地区石炭系火山岩地球化学特征及其构造背景.岩石学报,25(1):55-66.[Wu X Q,Liu D L,Wei G Q,Li J,Li Z S.2009.Geochemical characteristic and tectonic settings of Carboniferous volcanic rocks from Ludong-Wucaiwang area,Junggar Basin.Acta Petrologica Sinica,25(1):55-66]
余腾孝,曹自成,徐勤琪,潘泉涌,薛会,刘士林,解国军.2010.准噶尔盆地北部古生代构造演化与石炭系烃源岩.石油与天然气地质,31(1):91-97.[Yu T X,Cao Z C,Xu Q Q,Pan Q Y,Xue H,Liu S L,Xie G J.2010.The Paleozoic tectonic evolution and the Carboniferous source rocks in the northen Junggar Basin.Oil&Gas Geology,31(1):91-97]
赵恒乐,许凡,张冀,杨屹.2012.东准噶尔卡拉麦里蛇绿岩形成时代、地质特征及构造意义.新疆地质,30(2):161-164.[Zhao H L,Xu F,Zhang J,Yang Y.2012.The Kalamaili Ophiolites:Age,geological characteristics and tectonic significance.Xinjiang Geology,30(2):161-164]
赵霞,贾承造,张光亚,卫延召,赖绍聪,方向,张丽君.2008.准噶尔盆地陆东-五彩湾地区石炭系中、基性火山岩地球化学及其形成环境.地学前缘,15(2):272-279.[Zhao X,Jia C Z,Zhang GY,Wei Y Z,Lai S C,Fang X,Zhang L Q.2008.Geochemistry and tectonic settings of Carboniferous intermediate-basic volcanic rocks in Ludong-Wucaiwan,Junggar Basin.Earth Science Frontiers,15(2):272-279]
董雪梅,徐怀民,贺陆明,任军民,吴静.2012.克拉美丽石炭系火山岩气田的高效勘探开发.新疆石油地质,33(2):214-217.[Dong X M,Xu H M,He L M,Ren J M,Wu J.2012.Efficient exploration and development of Carboniferous volcanic gas field in Kelameili Area in Junggar Basin.XinJiang Petroleum Geology,33(2):214-217]
何国琦,李茂松,贾进斗.2001.论新疆东准噶尔蛇绿岩的时代及其意义.北京大学学报(自然科学版),37(6):852-858.[He GQ,Li M S,Jia J D.2001.A discussion on age and tectonic significance of Ophiolite in Eastern Junggar,Xinjiang.Acta Scientiarum Naturalium Universitatis Pekinensis,37(6):852-858]
晋慧娟,李育慈,李菊英.1989.新疆北天山中石炭统的复理石相.沉积学报,7(1):51-56.[Jin H J,Li Y C,Li J Y.1989.The Flysch facies of Middle Carboniferous in the Northern Tianshan,XinJiang.Acta Sedimentologica Sinica,7(1):51-56]
李涤,何登发,樊春,唐勇,阳孝法,常秋生,袁航.2012a.准噶尔盆地克拉美丽气田石炭系玄武岩的地球化学特征及构造意义.岩石学报,28(3):981-992.[Li D,He D F,Fan C,Tang Y,Yang XF,Chang Q S,Yuan H.2012a.Geochemical characteristics and tectonic significance of Carboniferous basalt in the Karameili gas field of Junggar Basin.Acta Petrologica Sinica,28(3):981-992]
李涤,何登发,唐勇,樊春,孔玉华.2012b.准噶尔盆地滴南凸起早石炭世火山岩的成因及其对克拉美丽洋闭合时限的约束.岩石学报,28(8):2340-2354.[Li D,He D F,Tang Y,Fan C,Kong YH.2012b.Genesis of Early Carboniferous volcanic rocks of the Di'nan uplift in Junggar Basin:Constraints to the closure time of Kalamaili ocean.Acta Petrologica Sinica,28(8):2340-2354]
李锦轶,杨天南,李亚萍,朱志新.2009.东准噶尔卡拉麦里断裂带的地质特征及其对中亚地区晚古生代洋陆格局重建的约束.地质通报,28(12):1817-1826.[Li J Y,Yang T N,Li Y P,Zhu Z X.2009.Geological features of the Karamaili faulting belt,eastern Junggar region,Xinjiang,China and its constraints on the reconstruction of Late Paleozoic ocean-continental framework of the Central Asian region.Geological Bulletin of China,28(12):1817-1826]
李林,夏惠平,陈世加,陆俊刚,夏青.2010.准噶尔盆地滴北凸起天然气成因及成藏特征.新疆石油地质,31(4):352-355.[Li L,Xia H P,Chen S J,Lu J G,Xia Q.2010.Natural gas origin and its accumulation feature in Dibei Swell in Junggar Basin.Xinjiang Petroleum Geology,31(4):352-355]
李艳平,黄芸,袁波,冀冬生.2016.卡拉麦里山前石炭系火山岩序列层位归属及分布研究.新疆地质,34(4):518-519.[Li Y P,Huang Y,Yuan B,Ji D S.2016.Study on the ownership and distribution of volcano rock sequence of Carboniferous at Kelameili Piedmont.XinJiang Geology,34(4):518-519]
李增田.1990.细碧岩成因综述.地质科技情报,9(1):19-24.[Li Z T.1990.Review on geneses of spilite.Geological Science and Technology Information,9(1):19-24]
舒良树,王玉净.2003.新疆卡拉麦里蛇绿岩带中硅质岩的放射虫化石.地质论评,49(4):408-412.[Shu L S,Wang Y J.2003.Early carboniferous radiolarian fossils from siliceous rocks of the Kelameili Ophiolite,XinJiang.Geological Review,49(4):408-412]
汪帮耀,姜常义,李永军,吴宏恩,夏昭德,卢荣辉.2009.新疆东准噶尔卡拉麦里蛇绿岩的地球化学特征及大地构造意义.矿物岩石,29(3):74-82.[Wang B Y,Jiang C Y,Li Y J,Wu H E,Xia ZD,Lu R H.2009.Geochemistry and tectonic implication of Karamali ophiolite in east Junggar of Xinjiang.Journal of Mineralogy and Petrology,29(3):74-82]
王启宇,牟传龙,陈小炜,康建威.2014.准噶尔盆地及周缘地区石炭系岩相古地理特征及油气基本地质条件.古地理学报,16(5),655-671.[Wang Q Y,Mu C L,Chen X W,Kang J W.2014.Palaeogeographic characteristics and basic geological conditions of petroleum of the Carboniferous in Junggar Basin and its adjacent areas.Journal of Palaeogeography(Chinese Edition),16(5),655-671]
吴小奇,刘德良,魏国齐,李剑,李振生.2009.准噶尔盆地陆东-五彩湾地区石炭系火山岩地球化学特征及其构造背景.岩石学报,25(1):55-66.[Wu X Q,Liu D L,Wei G Q,Li J,Li Z S.2009.Geochemical characteristic and tectonic settings of Carboniferous volcanic rocks from Ludong-Wucaiwang area,Junggar Basin.Acta Petrologica Sinica,25(1):55-66]
余腾孝,曹自成,徐勤琪,潘泉涌,薛会,刘士林,解国军.2010.准噶尔盆地北部古生代构造演化与石炭系烃源岩.石油与天然气地质,31(1):91-97.[Yu T X,Cao Z C,Xu Q Q,Pan Q Y,Xue H,Liu S L,Xie G J.2010.The Paleozoic tectonic evolution and the Carboniferous source rocks in the northen Junggar Basin.Oil&Gas Geology,31(1):91-97]
赵恒乐,许凡,张冀,杨屹.2012.东准噶尔卡拉麦里蛇绿岩形成时代、地质特征及构造意义.新疆地质,30(2):161-164.[Zhao H L,Xu F,Zhang J,Yang Y.2012.The Kalamaili Ophiolites:Age,geological characteristics and tectonic significance.Xinjiang Geology,30(2):161-164]
赵霞,贾承造,张光亚,卫延召,赖绍聪,方向,张丽君.2008.准噶尔盆地陆东-五彩湾地区石炭系中、基性火山岩地球化学及其形成环境.地学前缘,15(2):272-279.[Zhao X,Jia C Z,Zhang GY,Wei Y Z,Lai S C,Fang X,Zhang L Q.2008.Geochemistry and tectonic settings of Carboniferous intermediate-basic volcanic rocks in Ludong-Wucaiwan,Junggar Basin.Earth Science Frontiers,15(2):272-279]
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