徐家围子断陷油气运移体系及成藏模式分析
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摘要
在对含油气组合特征和成藏要素配置关系综合分析基础上,根据断陷盆地发育特征以及天然气藏形成的主控因素,重点分析了地震泵对油气纵向运移的影响,建立了该区油气藏成藏模式,本区发育的油气藏类型主要有构造气藏,岩性气藏和由构造、岩性二者共同控制作用的构造—岩性气藏、地层超覆油气藏以及基岩风化壳油气藏。徐家围子断陷两期构造运动进而形成了正反转构造,为油气提供了良好的构造圈闭及纵向疏导通道。沙河子组共经历了3次生排烃高峰,第一次由于强烈的构造活动,没有聚集成藏,后两次在其他成藏要素的配合下,最终得以聚集成藏。
Based on the comprehensive analysis of assemblage characteristics and the relationship of the reservoir-forming elementsconfiguration,the accumulationmodel was formed accordingto the characteristics of the fault basin and the main controlling factors of the hydrocarbon reservoir formation,and the influence of seismic pump to the hydrocarbon vertical migration is also studied.The main kinds of reservoirs here are structural gas reservoirs,lithologic structural gas reservoirs,stratigraphical on-lap hydrocarbon reservoirs,bedrock weathered crust type oil-gas reservoirs and structural-lithologic gas reservoirs.The seismic pump extracted the natural gas below the second member of Denglouku Formation up to the top of itself.The positive inversion structures which were formed by the two-stage tectonic movements provided structural traps and the vertical channels to divert for the oil and gas.There are three hydrocarbon generation peaks in Shahezi Formation.Because of the intensive structural activities,the reservoirs were destroyed at the first time;but at the second and third time,with the cooperation of other elements,the reservoirs were formed.
Based on the comprehensive analysis of assemblage characteristics and the relationship of the reservoir-forming elementsconfiguration,the accumulationmodel was formed accordingto the characteristics of the fault basin and the main controlling factors of the hydrocarbon reservoir formation,and the influence of seismic pump to the hydrocarbon vertical migration is also studied.The main kinds of reservoirs here are structural gas reservoirs,lithologic structural gas reservoirs,stratigraphical on-lap hydrocarbon reservoirs,bedrock weathered crust type oil-gas reservoirs and structural-lithologic gas reservoirs.The seismic pump extracted the natural gas below the second member of Denglouku Formation up to the top of itself.The positive inversion structures which were formed by the two-stage tectonic movements provided structural traps and the vertical channels to divert for the oil and gas.There are three hydrocarbon generation peaks in Shahezi Formation.Because of the intensive structural activities,the reservoirs were destroyed at the first time;but at the second and third time,with the cooperation of other elements,the reservoirs were formed.
引文
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[18]陈欢庆,胡永乐,冉启全,等.徐东地区营城组一段火山喷发模式特征[J].西南石油大学学报:自然科学版,2012,34(1):41–48.Chen Huanqing,Hu Yongle,Ran Qiquan,et al.Modecharacteristics of volcanic eruption of the Member 1of Yingcheng Formation in Xudong Area in SongliaoBasin[J].JournalofSouthwestPetroleumUniversity:Sci-ence&Technology Edition,2012,34(1):41–48.
[19]华保钦.构造应力场、地震泵和油气运移[J].沉积学报,1995,13(2):77–85.Hua Baoqin.Stress field,seismic pumping and oil-gasmigration[J].Acta Sedimentologica Sinica,1995,13(2):77–85.
[20]孙永河,付小飞,吕延防,等.地震泵抽吸作用与油气运聚成藏物理模拟[J].吉林大学学报:地球科学版,2007,37(1):98–104.Sun Yonghe,Fu Xiaofei,LüYangfang,et al.Suction roleof seismic pumping and physical simulation on hydrocar-bon migration and accumulation[J].Journal of Jilin Uni-versity:Earth Science Edition,2007,37(1):98–104.
[21]赵靖舟.幕式成藏的机理和规律探讨[J].天然气工业,2006,26(3):9–11.Zhao Jingzhou.Mechanism and regularity of episodicreservoiring[J].NaturalGasIndustry,2006,26(3):9–11.
[22]马中振,庞雄奇,王洪武,等.海拉尔盆地乌尔逊—贝尔凹陷断层控藏作用[J].西南石油大学学报:自然科学版,2009,31(6):27–31.Ma Zhongzhen,Pang Xiongqi,Wang Hongwu,et al.Study on fault controlling hydrocarbon accumulation inWuerxun-Beier Sag,Hailaer Basin[J].Journal of South-west Petroleum University:Science&Technology Edi-tion,2009,31(6):27–31.
[23]胡明,付广,吕延防,等.松辽盆地徐家围子断陷断裂活动时期与其深层气成藏关系分析[J].地质论评,2010,56(5):710–718.Hu Ming,Fu Guang,LüYanfang,et al.The fault acti-vity period and its relationship to deep gas accumulationin the Xujiaweizi Depression,Songliao Basin[J].Geolog-ical Review,2010,56(5):710–718.
[2]Perrodon A.Dynamics of oil and gas accumula-tion[M].BulletinDesCentresDeRecherchesExploration-Production ELF-Aquitaine.MEM.1983,5:187–210.
[3]Meissner F F.Petroleum geology of the Bakken For-mation,Williston Basin,North Dakota and Montana[J].AAPG Memoir,1984,35:159–179.
[4]Ulmishek G.F.Stratigraphic aspects of petroleum re-source assessment[C].AAPG Studies in Geology,1986,21:59–68.
[5]Li C Q,Pang Y M,Chen H L,et al.Gas charging historyof the Yingcheng Formation igneous reservoir in the Xu-jiaweizi Rift,Songliao Basin,China[J].Journal of Geo-chemical Exploration,2006,89(1–3):210–213.
[6]LeythaeuserD,SchwarkL,KeuserCh.Geologicalcondi-tions and geochemical effects of secondary petroleum mi-gration and accumulation[J].Marine and Petroleum Geo-logy,2000,17(7):857–859.
[7]张晓东,杨玉峰,殷进垠,等.松辽盆地昌德气田天然气成因及成藏模式[J].现代地质,2000,14(2):203–208.Zhang Xiaodong,Yang Yufeng,Yin Jingen,et al.Originand accumulation model of natural gases in Changde GasField,the Songliao Basin[J].Geoscience,2000,14(2):203–208.
[8]付晓飞,付广,吕延防.松辽盆地北部深层封盖条件及对天然气成藏的控制作用[J].海洋石油,2001,21(3):42–48.Fu Xiaofei,Fu Guang,LüYanfang.Deep sealing condi-tion of the north of Songliao Basin and its influence onforming natural gas pool[J].Offshore Oil,2001,21(3):42–48.
[9]杨峰平,王玉华,杨步增.松辽盆地北部深层天然气系统成藏史研究[J].成都理工学院学报,2002,29(6):621–626.Yang Fengping,Wang Yuehua,Yang Buzeng.Accumula-tion history of natural gas systems in the northern deep ofSongliaoBasin[J].JournalofChengduUniversityofTech-nology,2002,29(6):621–626.
[10]蒙启安,门广田,赵洪文,等.松辽盆地中生界火山岩储层特征及对气藏的控制作用[J].石油与天然气地质,2002,23(3):285–288,292.Meng Qi’an,Men Guantian,Zhao Hongwen,et al.Char-acteristics of Mesozoic volcanic rocks and its controllingeffect on gas reservoir in Songliao Basin[J].Oil and GasGeology,2002,23(3):285–288,292.
[11]付广,吕延防,孟庆芬.松辽盆地北部深层火山岩气藏形成时期及成藏模式研究[J].中国海上油气:地质,2003,17(4):236–239.Fu Guang,LüYangfang,Meng Qingfang.A study on for-mation periods and accumulation models of the deep vol-canic gas pools in the northern Songliao Basin[J].ChinaOffshore Oil and Gas:Geology,2003,17(4):236–239.
[12]任延广,朱德丰,万传彪,等.松辽盆地徐家围子断陷天然气聚集规律与下步勘探方向[J].大庆石油地质与开发,2004,23(5):26–29.Ren Yanguang,Zhu Defeng,Wan Chuanbiao,et al.Na-tural gas accumulation rule of Xujiaweizi Depression inSongliaoBasinandfutureexplorationtarget[J].PetroleumGeology&Oilfield Development in Daqing,2004,23(5):26–29.
[13]金晓辉,林壬子,任延广.松辽盆地北部深层天然气成藏动力系统及空间分布特征[J].石油实验地质,2005,27(3):260–264.Jin Xiaohui,Lin Renzi,Ren Yanguang.Reservoir-forming dynamic system and distribution of deep-seatednatural gas in the northern part of Songliao Basin[J].Petroleum Geology and Experiment,2005,27(3):260–264.
[14]付广,康德江.松辽盆地北部深层含气系统演化及对天然气成藏与分布的控制作用[J].油气地质与采收率,2006,13(2):30–34.Fu Guang,Kang Dejie.Evolution of gas-bearing systemand its controlling function to the formation and distribu-tionofgasreservoirsofdeepstratainthenorthofSongliaoBasin[J].Petroleum Geology and Recovery Efficiency,2006,13(2):30–34.
[15]李春光.试论松辽盆地深层油气藏分布与形成[J].油气地质与采收率,2004,11(3):31–33.Li Chunguang.Discussion on the distribution and for-mation of the deep seated oil gas reservoir in SongliaoBasin[J].Oil and Gas Recovery Technology,2004,11(3):31–33.
[16]姜传金,苍思春,吴杰.徐家围子断陷深层气藏类型及成藏模式[J].天然气工业,2009,29(8):5–7.Jiang Chuanjin,Cang Sichun,Wu Jie.Types and poolingpatterns of deep gas reservoirs in Xujiaweizi fault depre-ssion[J].Natural Gas Industry,2009,29(8):5–7.
[17]徐宏节.松辽盆地长岭断陷火山岩储层特征[J].成都理工大学学报:自然科学版,2010,37(4):432–437.Xu Hongjie.Characteristics of volcanic rock reservoirs inthe Changling rift,Songliao Basin,China[J].Journal ofChengdu University of Technology:Science&Technolo-gy Edition,2010,37(4):432–437.
[18]陈欢庆,胡永乐,冉启全,等.徐东地区营城组一段火山喷发模式特征[J].西南石油大学学报:自然科学版,2012,34(1):41–48.Chen Huanqing,Hu Yongle,Ran Qiquan,et al.Modecharacteristics of volcanic eruption of the Member 1of Yingcheng Formation in Xudong Area in SongliaoBasin[J].JournalofSouthwestPetroleumUniversity:Sci-ence&Technology Edition,2012,34(1):41–48.
[19]华保钦.构造应力场、地震泵和油气运移[J].沉积学报,1995,13(2):77–85.Hua Baoqin.Stress field,seismic pumping and oil-gasmigration[J].Acta Sedimentologica Sinica,1995,13(2):77–85.
[20]孙永河,付小飞,吕延防,等.地震泵抽吸作用与油气运聚成藏物理模拟[J].吉林大学学报:地球科学版,2007,37(1):98–104.Sun Yonghe,Fu Xiaofei,LüYangfang,et al.Suction roleof seismic pumping and physical simulation on hydrocar-bon migration and accumulation[J].Journal of Jilin Uni-versity:Earth Science Edition,2007,37(1):98–104.
[21]赵靖舟.幕式成藏的机理和规律探讨[J].天然气工业,2006,26(3):9–11.Zhao Jingzhou.Mechanism and regularity of episodicreservoiring[J].NaturalGasIndustry,2006,26(3):9–11.
[22]马中振,庞雄奇,王洪武,等.海拉尔盆地乌尔逊—贝尔凹陷断层控藏作用[J].西南石油大学学报:自然科学版,2009,31(6):27–31.Ma Zhongzhen,Pang Xiongqi,Wang Hongwu,et al.Study on fault controlling hydrocarbon accumulation inWuerxun-Beier Sag,Hailaer Basin[J].Journal of South-west Petroleum University:Science&Technology Edi-tion,2009,31(6):27–31.
[23]胡明,付广,吕延防,等.松辽盆地徐家围子断陷断裂活动时期与其深层气成藏关系分析[J].地质论评,2010,56(5):710–718.Hu Ming,Fu Guang,LüYanfang,et al.The fault acti-vity period and its relationship to deep gas accumulationin the Xujiaweizi Depression,Songliao Basin[J].Geolog-ical Review,2010,56(5):710–718.
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