准北春晖油田勘探成效分析
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摘要
针对春晖油田山地山前带地表地质条件复杂的难题,以构造地质模型指导三维观测系统设计,攻克了山前高陡构造带三维地震技术难关。通过实施三维地震、系统研究油气运聚、精细描述地层超剥,部署19口探井,18口井见良好油气显示,7口井获工业油流,证实春晖油田浅、中、深层多层系含油。研究表明,侏罗系油藏为浅层古生新储断裂控制的超稠油构造油气藏,多期升降和剥超作用控制了残余地层展布,正序沉积叠加过程控制了储盖组合样式,构造演化与沉积作用耦合控制了圈闭的发育及展布,已落实石油地质储量5 332×104t。
In view of the complex geology conditions of Chunhui Oilfield,the technical difficulty of 3D seismic for high-steep structure zone of mountain front has been overcome based on letting tectonic geology models guide 3D visual system design.By 3-D seismic,systemetic study on hydrocarbon migration and accumulation,fine description of stratigraphic overlap and denudation,19 exploratory wells are arranged,18 of which indicate oil and gas,7 of which get industrial oil flow.The exploration results show that multiple strata series of shallow,middle and deep depth in Chunhui Oilfield contains oil.The results also show that Jurassic reservoirs are extra heavy oil structural reservoirs controlled by shallow Palaeozoic faults;multi-period lift and down and denudation control the distribution of residual formation;positive sequence sedimentation overlying controls combination mode;tectonic evolution and sedimentation control the development and spreading of traps;geological reserves of 5 332×104t has been confirmed.
In view of the complex geology conditions of Chunhui Oilfield,the technical difficulty of 3D seismic for high-steep structure zone of mountain front has been overcome based on letting tectonic geology models guide 3D visual system design.By 3-D seismic,systemetic study on hydrocarbon migration and accumulation,fine description of stratigraphic overlap and denudation,19 exploratory wells are arranged,18 of which indicate oil and gas,7 of which get industrial oil flow.The exploration results show that multiple strata series of shallow,middle and deep depth in Chunhui Oilfield contains oil.The results also show that Jurassic reservoirs are extra heavy oil structural reservoirs controlled by shallow Palaeozoic faults;multi-period lift and down and denudation control the distribution of residual formation;positive sequence sedimentation overlying controls combination mode;tectonic evolution and sedimentation control the development and spreading of traps;geological reserves of 5 332×104t has been confirmed.
引文
[1]张善文.胜利西部探区勘探工作的几点思考[J].油气地质与采收率,2012,19(1):1-5.
[2]刘传虎.地质新认识带来油气勘探新突破——以准噶尔盆地中国石化区块勘探为例[J].中国石油勘探,2011,16(4):6-13.
[3]王来斌,查明,陈建平,等.准噶尔盆地西北缘风城组含油气系统三叠纪末期油气输导体系[J].石油大学学报:自然科学版,2004,28(2):16-19.
[4]熊翥.地层、岩性油气藏地震勘探方法与技术[J].石油地球物理勘探,2012,47(1):1-18.
[5]刘传虎,王学忠.准西车排子地区复杂地质体油气输导体系研究[J].石油实验地质,2012,34(2):129-133.
[6]罗群.断裂带的输导与封闭性及其控藏特征[J].石油实验地质,2011,33(5):474-479.
[7]史建南,邹华耀.准噶尔盆地油气输导体系类型与成藏规律研究[J].石油天然气学报,2009,31(3):7-12.
[8]何登发,陈新发,况军.准噶尔盆地石炭系油气成藏组合特征及勘探前景[J].石油学报,2010,31(1):1-11.
[9]苏朝光,仲维苹.准噶尔盆地车排子凸起新近系沙湾组物源分析[J].石油与天然气地质,2010,31(5):648-655.
[10]霍进,吴运强,赵增义.准噶尔盆地风城地区稠油特征及其成因探讨[J].特种油气藏,2008,15(2):25-27.
[11]王金铸,王学忠,刘凯,等.春风油田排601区块浅层超稠油HDNS技术先导试验效果评价[J].特种油气藏,2011,18(4):59-63.
[2]刘传虎.地质新认识带来油气勘探新突破——以准噶尔盆地中国石化区块勘探为例[J].中国石油勘探,2011,16(4):6-13.
[3]王来斌,查明,陈建平,等.准噶尔盆地西北缘风城组含油气系统三叠纪末期油气输导体系[J].石油大学学报:自然科学版,2004,28(2):16-19.
[4]熊翥.地层、岩性油气藏地震勘探方法与技术[J].石油地球物理勘探,2012,47(1):1-18.
[5]刘传虎,王学忠.准西车排子地区复杂地质体油气输导体系研究[J].石油实验地质,2012,34(2):129-133.
[6]罗群.断裂带的输导与封闭性及其控藏特征[J].石油实验地质,2011,33(5):474-479.
[7]史建南,邹华耀.准噶尔盆地油气输导体系类型与成藏规律研究[J].石油天然气学报,2009,31(3):7-12.
[8]何登发,陈新发,况军.准噶尔盆地石炭系油气成藏组合特征及勘探前景[J].石油学报,2010,31(1):1-11.
[9]苏朝光,仲维苹.准噶尔盆地车排子凸起新近系沙湾组物源分析[J].石油与天然气地质,2010,31(5):648-655.
[10]霍进,吴运强,赵增义.准噶尔盆地风城地区稠油特征及其成因探讨[J].特种油气藏,2008,15(2):25-27.
[11]王金铸,王学忠,刘凯,等.春风油田排601区块浅层超稠油HDNS技术先导试验效果评价[J].特种油气藏,2011,18(4):59-63.
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