准噶尔盆地哈山南缘浅层超剥带圈闭识别方法
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摘要
哈山地区处于盆缘斜坡构造背景,经多期构造运动,地层超剥关系复杂,主要发育超覆-削蚀油藏,圈闭识别难度较大。本文通过对不整合面的精细刻画、超剥点的准确识别,建立了一套适合超剥带圈闭识别方法,并在研究区发现并描述了大量的圈闭,为哈山南缘浅层超剥带下步勘探提供了有利的勘探目标。哈山地区近年探井相继钻探成功证实了此圈闭识别方法对哈山勘探开发具有重要的指导意义。
HaShan area is located in slope of basin border,and suffered tectonic movement of multiple phase,which has complex overlapping denudation relationship with main development of unconformity reservoirs,so trap identification is difficult.And through unconformity surface depiction and exact identification of overlapping denudation point,a set of method to suit the ultra peelable strip trap characteristic recognition is established,and we find lots of traps,and provide favorable exploration targets.In recent years,many successful drilling wells confirmed the trap identification method on HaShan exploration and development,which has an important guidance in HaShan area.
HaShan area is located in slope of basin border,and suffered tectonic movement of multiple phase,which has complex overlapping denudation relationship with main development of unconformity reservoirs,so trap identification is difficult.And through unconformity surface depiction and exact identification of overlapping denudation point,a set of method to suit the ultra peelable strip trap characteristic recognition is established,and we find lots of traps,and provide favorable exploration targets.In recent years,many successful drilling wells confirmed the trap identification method on HaShan exploration and development,which has an important guidance in HaShan area.
引文
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[2]陈建平,查明,柳广第,等.准噶尔盆地西北缘斜坡区不整合面在油气成藏中的作用[J].石油大学学报,24(4);75-78.
[3]John S.Sch lee.Interreg ional uncon fo rm ities and hydroca rbona ccum ulation[J].AAPG M emo ir 26,1984.
[4]张守安,吴亚军,余晓宇,等.塔里木盆地不整合油气藏的成藏条件及分布规律[J].新疆石油地质,1999,20(1);15-17.
[5]徐怀大.新疆塔里木盆地层序地层特征[J].沉积学报,1997,27(2):26-30
[6]何登发.塔里木盆地的地层不整合面与油气聚集[J].石油学报,1995,16(3):14-21.
[7]王章青,杨立战,林胜春.地震综合解释技术在地层超覆圈闭研究中的应用[J].江汉石油学院学报,2003,25(2):60-61.
[8]张福利.地震反射层夹角外推法定量确定地层超覆线位置—以陈家庄凸起东段北部缓坡带馆下段为例[J].石油地球物理勘探,2008,43(5):573-577.
[9]管晓燕,穆星,刘军.相位分析技术在地层圈闭描述中的应用[J].油气地质与采收率,2007,14(6):56-58.
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