南堡凹陷火山岩空间展布特征及其控藏作用
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摘要
以钻井、测井、地震资料和油气勘探成果为基础,探讨了南堡凹陷新生代火山岩空间展布规律及差异控藏作用。研究表明南堡凹陷主要发育沙三段、沙一段、东三段、东一段和馆陶组5套火山岩组合,平面上主要分布于盆地西北部,受NW向、近EW向断层控制。不同层位的火山岩具有不同的控藏作用,沙河街组火山岩对烃源岩热成熟具有明显的促进作用,同时由于沙三段、沙一段主要为欠补偿沉积,砂岩不发育,火山岩在深层储集能力优于同等埋深的砂岩,是深部储层的有利补充;东营组和馆陶组火山岩具有较好的构造背景,为后期圈闭的形成奠定了基础;馆陶组巨厚的玄武岩是区域性盖层,为油气富集提供了封盖条件。
Based on the data of the drilling,well logging and seismic survey,and moreover the hydrocarbon exploration achievements,the space spread laws and differential accumulation controlling actions were discussed for Cenozoic volcanic rocks in Nanpu Sag. The study achievements show that five sets of the volcanic rock combination are mainly developed in the sag: Member Es3,Es1,Ed3,Ed1 and Formation Ng,which are generally and horizontally distributed in the northwest of the basin and controlled by NW and near EW faults. The volcanic rocks in different horizons play various accumulation controlling actions,the volcanic rocks in Shahejie Formation possess an obvious role in promoting thermal maturity of the hydrocarbon source rock. At the same time,for the less compensation sedimentation of Member Es3 and Es1,the sandstone is not well developed,the reservoir accumulation capacity for the deep volcanic rocks is superior to that of the same buried depth of the sandstone and is the beneficial supplement of the deep reservoir; there are much better tectonic settings for the volcanic rocks in Dongying and Ng Formations,thus a certain foundation has been laid for the later trap formation; the super thick basalt in Formation Ng is the regional caprock and supplies the capping conditions for the oil and gas enrichment.
Based on the data of the drilling,well logging and seismic survey,and moreover the hydrocarbon exploration achievements,the space spread laws and differential accumulation controlling actions were discussed for Cenozoic volcanic rocks in Nanpu Sag. The study achievements show that five sets of the volcanic rock combination are mainly developed in the sag: Member Es3,Es1,Ed3,Ed1 and Formation Ng,which are generally and horizontally distributed in the northwest of the basin and controlled by NW and near EW faults. The volcanic rocks in different horizons play various accumulation controlling actions,the volcanic rocks in Shahejie Formation possess an obvious role in promoting thermal maturity of the hydrocarbon source rock. At the same time,for the less compensation sedimentation of Member Es3 and Es1,the sandstone is not well developed,the reservoir accumulation capacity for the deep volcanic rocks is superior to that of the same buried depth of the sandstone and is the beneficial supplement of the deep reservoir; there are much better tectonic settings for the volcanic rocks in Dongying and Ng Formations,thus a certain foundation has been laid for the later trap formation; the super thick basalt in Formation Ng is the regional caprock and supplies the capping conditions for the oil and gas enrichment.
引文
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[24]李祖兵,王建伟,刘洋.南堡凹陷5号构造沙河街组火山岩岩性分布及储层特征[J].天然气地球科学,2010,21(3):413-420.
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[26]董月霞,庞雄奇,黄曼宁,等.渤海湾盆地南堡凹陷油气成藏区带定量预测与评价[J].石油学报,2015,36(增刊2):19-36.
[27]林正良,王华,姜华,等.南堡凹陷馆陶组火山事件及其油气地质意义[J].海洋地质与第四纪地质,2011,33(3):79-85.
[28]孙同文,付广,吕延舫,等.南堡1号构造中浅层油气富集主控因素分析[J].天然气地球科学,2014,25(7):1042-1051.
[2]王政军,马乾,赵忠新,等.南堡凹陷深层火山岩天然气成因与成藏模式[J].石油学报,2012,33(5):772-780.
[3]赵忠新,王建伟,庄东志,等.南堡凹陷深层火山岩气藏地质特征及评价技术[J].石油钻采工艺,2010,32(增刊1):7-11.
[4]齐庆鹏,孙同文,伍宇博,等.南堡1-5区断—盖匹配对油气垂向输导的影响[J].哈尔滨商业大学学报(自然科学版),2013,29(6):707-711.
[5]朱学娟.南堡5号深层火山岩油气藏测井识别与评价技术研究[D].青岛:中国石油大学,2011:8-67.
[6]杜景霞,肖龙,周海民,等.渤海湾盆地南堡凹陷新生代火山岩地球化学特征及成因[J].桂林工学院学报,2008,28(2):157-166.
[7]谭丽娟,田世澄.南堡凹陷第三纪构造特征及火山作用[J].石油大学学报(自然科学版),2001,25(4):1-4.
[8]杜洋,罗明高,周强,等.南堡凹陷第三系火山岩分类命名研究[J].天然气技术,2009,3(5):3-6.
[9]童亨茂,赵宝银,曹哲,等.渤海湾盆地南堡凹陷断裂系统成因的构造解析[J].地质学报,2013,87(11):1647-1661.
[10]黄曼宁,董月霞,庞雄奇,等.南堡凹陷构造型油气藏分布主控因素及预测方法[J].石油与天然气地质,2012,33(5):695-704.
[11]刘海青,许廷生,李艳梅,等.南堡凹陷中深层岩性油气藏形成及分布[J].特种油气藏,2014,21(5):34-36.
[12]薛云松,逯经铁,张梅,等.断裂构造在南堡凹陷新生代火成岩形成中的作用[J].特种油气藏,2003,10(1):51-54.
[13]李宏义,姜振学,董月霞,等.南堡凹陷老爷庙油田新近系储层特征与油气成藏[J].沉积与特提斯地质,2007,27(4):85-90.
[14]刘海青,李艳梅,吴琳娜,等.南堡凹陷高柳地区东营组沉积体系及岩性油气藏成藏模式[J].石油地质与工程,2015,29(1):1-3.
[15]印长海,绪磊,杨亮,等.莺山凹陷营城组火山岩储层特征及成因[J].大庆石油地质与开发,2014,33(5):92-96.
[16]刘爱永,李令喜,杨国臣,等.查干凹陷苏红图组火山岩储层及其油气成藏特征[J].油气地质与采收率,2014,21(4):54-57.
[17]杜景霞,石文武,王全利,等.南堡凹陷火山岩时空展布特征及岩石类型[J].石油地质与工程,2013,27(6):11-14.
[18]门广田,雷茂盛,朱映康,等.徐家围子断陷营城组火山岩及气藏分布[J].大庆石油地质与开发,2014,33(5):82-85.
[19]徐宏节,陆建林,于文修,等.长岭断陷火山岩储层形成及控藏作用[J].石油实验地质,2011,33(3):239-243.
[20]甘志红.阳信洼陷火成岩分布与油气关系[J].断块油气田,2005,12(6):27-29.
[21]刘春晓,张晓花,刘建军.塔中地区火山岩与油气藏的关系研究[J].断块油气田,2004,11(5):18-20.
[22]刘翠琴,刘艳明.南堡凹陷火山岩与油气藏关系[J].石油天然气学报,2005,27(增刊5):702-704.
[23]肖军.渤海湾盆地南堡凹陷火山岩特征及其有利成藏条件分析[J].地质科技情报,2004,23(1):52-56.
[24]李祖兵,王建伟,刘洋.南堡凹陷5号构造沙河街组火山岩岩性分布及储层特征[J].天然气地球科学,2010,21(3):413-420.
[25]王成.徐家围子断陷火山岩储层孔隙演化[J].大庆石油地质与开发,2014,33(2):1-5.
[26]董月霞,庞雄奇,黄曼宁,等.渤海湾盆地南堡凹陷油气成藏区带定量预测与评价[J].石油学报,2015,36(增刊2):19-36.
[27]林正良,王华,姜华,等.南堡凹陷馆陶组火山事件及其油气地质意义[J].海洋地质与第四纪地质,2011,33(3):79-85.
[28]孙同文,付广,吕延舫,等.南堡1号构造中浅层油气富集主控因素分析[J].天然气地球科学,2014,25(7):1042-1051.