阿尔及利亚A区块断裂特征与油气成藏响应
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摘要
A区块位于阿尔及利亚撒哈拉地台东北部,石油地质条件优越。由于受到多期构造作用叠加,形成了复杂的断裂系统。研究区共发育4个不同级次的断裂体系并可划为下部断陷、中部坳陷、上部逆冲反转3套构造层。断层在平面上发育平行状、辫状、梳状、雁列状和帚状5种断裂样式,在剖面上发育平行、"X"型、"V"型、"Y"型和堑垒型5类断裂组合。断裂体系的形成演化响应于区域上的伸展-抬升-拉张-挤压4期构造活动。区块内发育受断层控制的低幅度断背斜、断块构造和逆冲挤压反转构造3种类型构造圈闭。受早白垩世奥地利运动影响,断裂在研究区西部与中部对油气聚集成藏起输导作用,在东部对油气成藏起破坏逸散作用。
Block A was located in the northeast of Sahara platform in Algeria with superior petroleum geological conditions.Complex fault systems were formed as a result of the superposition of multistage tectonic movements.There developed 4 different levels of fault systems in the study area,which could be divided into 3 sets of structural layers,including the lower fault subsidence,the central depression layer and the upper thrusting inversion layer.Five fault patterns such as parallel type,braided type,comb-like type,echelon type and broom-like type were identified on the plane,and 5 fault combinations such as parallel type,"X"Type,"V"Type,"V"Type and graben-horst Type were developed on the profile.The evolution of the fault systems was probably affected by 4 stages of tectonics:extensional stage,uplifting stage,stretching stage and compressional period.The formation of three types of structural traps including low-amplitude anticlinal traps,fault-block traps and thrusting compressional traps were controlled by faults.Due to the influence of the Early Cretaceous Austrian orogeny,the faults in the west and center are favorable for hydrocarbon accumulation,whereas in the east the faults are destructive to the hydrocarbon accumulation.
Block A was located in the northeast of Sahara platform in Algeria with superior petroleum geological conditions.Complex fault systems were formed as a result of the superposition of multistage tectonic movements.There developed 4 different levels of fault systems in the study area,which could be divided into 3 sets of structural layers,including the lower fault subsidence,the central depression layer and the upper thrusting inversion layer.Five fault patterns such as parallel type,braided type,comb-like type,echelon type and broom-like type were identified on the plane,and 5 fault combinations such as parallel type,"X"Type,"V"Type,"V"Type and graben-horst Type were developed on the profile.The evolution of the fault systems was probably affected by 4 stages of tectonics:extensional stage,uplifting stage,stretching stage and compressional period.The formation of three types of structural traps including low-amplitude anticlinal traps,fault-block traps and thrusting compressional traps were controlled by faults.Due to the influence of the Early Cretaceous Austrian orogeny,the faults in the west and center are favorable for hydrocarbon accumulation,whereas in the east the faults are destructive to the hydrocarbon accumulation.
引文
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[24]匡可心,张尚锋,于水,等.北非三叠盆地H区块储层特征及主控因素分析[J].岩性油气藏,2015,27(1):58~65.
[25]翁望飞,李争,季红军,等.阿尔及利亚A区块三叠系砂岩储层特征及其影响因素[J].天然气勘探与开发,2010,33(2):6~10.
[26]Luning S,Craig J,Loydell D K,et al.Lower Silurian“hot shales”in North Africa and Arabia:regional distribution and depositional model[J].Earth-Science Reviews,2000,49(1-4):121~200.
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[31]邓运华.断裂-砂体形成油气运移的“中转站”模式[J].中国石油勘探,2005,10(6):14~17.
[32]于海波,牛成民,彭文绪,等.黄河口凹陷新近系断裂-砂体控藏分析——以垦利3-2构造为例[J].中国海上油气,2010,22(3):149~154.
[33]周心怀.渤中28-2南油田成藏模式及其勘探意义[J].中国海上油气,2012,24(5):1~5.
[34]李莉,宋明雁,李争.阿尔及利亚三叠盆地隐蔽油气藏勘探前景[J].中国石油勘探,2008,13(4):56~61.
[35]Carr I D.Second-order sequence stratigraphy of the palaeozoic of North Africa[J].Journal of Petroleum Geology,2002,25(3):259~280.
[36]赵红岩,胡孝林,于水,等.阿尔及利亚三叠盆地油气差异成藏的控制因素分析[J].石油天然气学报(江汉石油学院学报),2013,35(1):15~19.
[37]范春花,胡孝林,刘琼,等.阿尔及利亚阿拉尔高生储盖组合特征[J].科学技术与工程,2016,16(8):190~194.
[38]万志峰,夏斌,蔡周荣,等.西北非构造演化与油气成藏组合特征[J].大地构造与成矿学,2009,33(2):224~229.
[2]Mitra S,Leslie W.Three-dimensional structural model of the Rhourde el Baguel Field,Algeria[J].AAPG Bulletin,2003,87(2):231~250.
[3]Acheche M H,Rabet A,Ghariani H,et al.Ghadames Basin,Southern Tunisia:A reappraisal of Triassic reservoirs and future prospectivity[J].AAPG Bulletin,2001,85(5):765~780.
[4]王有勇.中国与阿尔及利亚的能源合作[J].阿拉伯世界研究,2007,(2):35~42.
[5]Macgregor S D,Moody J T R,Lowes D D C.Petroleum Geology of North Africa[M].London:Geological Society,1998.
[7]胡孝林,刘琼,范洪耀,等.北非阿尔及利亚叠合盆地油气成藏特征及主控因素分析[J].中国海上油气,2013,25(6):36~42.
[6]刘琼,胡孝林,于水,等.阿尔及利亚东西部盆地油气地质差异性探讨[J].石油实验地质,2013,35(2):167~173.
[8]季红军,丁正青,储海松,等.阿尔及利亚416a-417区块油气成藏条件分析[J].复杂油气藏,2006,11(3):6~10.
[9]李顺明,邓宏文,吴修利,等.阿尔及利亚Zarzaitine油田下泥盆统沉积特征及演化规律[J].石油勘探与开发,2006,33(3):383~387.
[10]汪孝芝,李发荣.阿尔及利亚三叠盆地成藏主控因素和勘探潜力[J].石油石化节能,2007,23(10):1~3.
[11]童晓光,关增淼.世界石油勘探开发图集(非洲地区分册)[M].北京:石油工业出版社,2002.
[12]Selley R C.Sedimentary Basins of the World[M].Amstertam:Elsevier,1997:17~26.
[13]Herkat M,Guiraud R.The relationships between tectonics and sedimentation in the Late Cretaceous series of the eastern Atlasic Domain(Algeria)[J].Journal of African Earth Sciences,2006,46(4):346~370.
[14]李大荣,黎发文,唐红.阿尔及利亚三叠盆地、韦德迈阿次盆地石油地质特征及油气勘探中应注意的问题[J].海相油气地质,2006,11(3):19~26.
[15]潘杨辉,郑荣才,胡诚,等.阿尔及利亚韦德迈阿次盆地438B区块泥盆纪层序-岩相古地理特征[J].地球科学与环境学报,2011,33(3):268~274.
[16]汪孝芝.阿尔及利亚三叠盆地油气勘探潜力分析[J].江汉石油职工大学学报,2007,20(6):7~10.
[17]Badalini G,Redfern J,Carr I D.A synthesis of current understanding of the structural evolution of North Africa[J].Journal of Petroleum Geology,2010,25(3):249~258.
[18]万志峰,夏斌,蔡周荣,等.特提斯构造演化对西北非地区油气成藏的控制作用[J].沉积与特提斯地质,2008,28(4):24~27.
[19]Guiraud R,Bosworth W,Thierry J,et al.Phanerozoic geological evolution of Northern and Central Africa:An overview[J].Journal of African Earth Sciences,2005,43(1-3):83~143.
[20]Ruth U,Jonathan R.Petroleum generation and migration in the Gha-dames Basin,North Africa:a two-dimensional basin-modeling study[J].AAPG Bulletin,2008,92(1):53~76.
[21]陈霞,何雨丹,于慧玲.阿尔及利亚三叠盆地Hadjira区块油气勘探潜力[J].天然气工业,2008,28(8):22~24.
[22]Wada T,Koyama H,Terasawa T.Burial history and thermal evolution of the northern and eastern Saharan Basins[J].Forensic Science International,2003,188(1-3):131~139.
[23]李争,段奕.阿尔及利亚三叠盆地成藏主控因素分析[J].天然气技术与经济,2009,(5):10~13.
[24]匡可心,张尚锋,于水,等.北非三叠盆地H区块储层特征及主控因素分析[J].岩性油气藏,2015,27(1):58~65.
[25]翁望飞,李争,季红军,等.阿尔及利亚A区块三叠系砂岩储层特征及其影响因素[J].天然气勘探与开发,2010,33(2):6~10.
[26]Luning S,Craig J,Loydell D K,et al.Lower Silurian“hot shales”in North Africa and Arabia:regional distribution and depositional model[J].Earth-Science Reviews,2000,49(1-4):121~200.
[27]陈霞,于慧玲,何雨丹,等.阿尔及利亚三叠盆地GUERARA地区石油地质条件分析[J].石油实验地质,2008,30(3):256~259.
[28]Galeazzi S,Point O,Haddadi N,et al.Regional geology and petroleum systems of the Illizi-Berkine area of the Algerian Saharan Platform:An overview[J].Marine&Petroleum Geology,2010,27(1):143~178.
[29]Noureddine Y,Rainer G S,Ralf L.Petroleum generation and accumulation in the Berkine Basin,Eastern Algeria[J].AAPG Bulletin,2001,85(8):1439~1467.
[30]Makhous M,Galushkin Y I.Burial history and thermal evolution of the southern and western Saharan basins:synthesis and comparison with the eastern and northern Saharan basins[J].AAPG Bulletin,2003,87(11):1799~1822.
[31]邓运华.断裂-砂体形成油气运移的“中转站”模式[J].中国石油勘探,2005,10(6):14~17.
[32]于海波,牛成民,彭文绪,等.黄河口凹陷新近系断裂-砂体控藏分析——以垦利3-2构造为例[J].中国海上油气,2010,22(3):149~154.
[33]周心怀.渤中28-2南油田成藏模式及其勘探意义[J].中国海上油气,2012,24(5):1~5.
[34]李莉,宋明雁,李争.阿尔及利亚三叠盆地隐蔽油气藏勘探前景[J].中国石油勘探,2008,13(4):56~61.
[35]Carr I D.Second-order sequence stratigraphy of the palaeozoic of North Africa[J].Journal of Petroleum Geology,2002,25(3):259~280.
[36]赵红岩,胡孝林,于水,等.阿尔及利亚三叠盆地油气差异成藏的控制因素分析[J].石油天然气学报(江汉石油学院学报),2013,35(1):15~19.
[37]范春花,胡孝林,刘琼,等.阿尔及利亚阿拉尔高生储盖组合特征[J].科学技术与工程,2016,16(8):190~194.
[38]万志峰,夏斌,蔡周荣,等.西北非构造演化与油气成藏组合特征[J].大地构造与成矿学,2009,33(2):224~229.