饶阳凹陷近年潜山勘探的突破与启示
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摘要
饶阳凹陷潜山历经多年勘探,勘探程度高,勘探难度大,但潜山勘探存在不均衡性,勘探潜力就蕴含在不均衡性中。自2006年以来,以二次采集和连片处理高品质三维地震资料为平台,针对饶阳凹陷潜山勘探领域,以新思维、新视角、新思路重新认识潜山成藏条件、重新梳理控山断裂结构、重新构建潜山成藏模式、重新复查老井原始资料,重新审视已有的结论和认识,在历经多年勘探而未能突破的长洋店、肃宁、孙虎等潜山构造带,相继发现了长3、宁古8、虎8等潜山油藏,实现了潜山勘探的新突破。
After years of exploration,the buried hill in Raoyang sag now is characterized by high degree of exploration and great difficulty in exploration.But the buried-hill exploration is inhomogeneous,so the buried hill has great exploration potential.Since 2006,based on secondary acquisition and merging processing of three-dimensional seismic data,in the light of the buried-hill exploration area in Raoyang sag,the buried-hill reservoir-formation conditions have been reconsidered by new ideas and new perspectives,the controlling mountain fault structure has been summarized again,the buriedhill reservoir-forming modes have been reestablished,the original data of old wells have been reviewed,the existing conclusions and cognitions have been reexamined.Buried-hill reservoirs including Chang-3,Ninggu-8,and Hu-8 buried-hill reservoirs have been discovered one after another in Changyangdian,Suning,and Sunhu buried-hill structural belts.New breakthroughs have been achieved in buried-hill exploration.
After years of exploration,the buried hill in Raoyang sag now is characterized by high degree of exploration and great difficulty in exploration.But the buried-hill exploration is inhomogeneous,so the buried hill has great exploration potential.Since 2006,based on secondary acquisition and merging processing of three-dimensional seismic data,in the light of the buried-hill exploration area in Raoyang sag,the buried-hill reservoir-formation conditions have been reconsidered by new ideas and new perspectives,the controlling mountain fault structure has been summarized again,the buriedhill reservoir-forming modes have been reestablished,the original data of old wells have been reviewed,the existing conclusions and cognitions have been reexamined.Buried-hill reservoirs including Chang-3,Ninggu-8,and Hu-8 buried-hill reservoirs have been discovered one after another in Changyangdian,Suning,and Sunhu buried-hill structural belts.New breakthroughs have been achieved in buried-hill exploration.
引文
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[2]赵贤正,王余泉,等.冀中坳陷长洋淀地区“古储古堵”潜山成藏模式[J].石油学报,2008,(4):489～493.
[3]杜金虎,邹伟宏,等.冀中坳陷古潜山复式油气区[M].北京:科学出版社,2002.
[4]易士威,范炳达,等.冀中坳陷中央断裂构造带潜山发育特征及成藏模式[J].石油学报,2010,(3):361～367.
[5]邱毅,魏振乾,等.华北油田高精度三维地震采集技术[J].中国石油勘探,2008,13(2):21～28.
[6]赵贤正,张玮,等.富油凹陷精细地震勘探技术[M].北京:石油工业出版社,2009.
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