高尚堡油田明化镇组层序界面的识别及岩性圈闭预测
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摘要
以高精度层序地层学理论为基础,结合测井曲线和地震解释对高尚堡油田新近系明化镇组储层的层序界面进行精细划分。将明化镇组储层划分为1个长期旋回、4个中期旋回、15个短期旋回,建立了符合实际情况的地质模型。绘制层序三砂泥比等值线图揭示出有利的岩性圈闭区是在基准面上升期间形成河道下切,下降期间能够形成泥质封盖的区域。
Base on the high resolution sequence of straigraphy,analysis rock cores,well logs and seismic data,the resorvior of minghuazhen formation in Gaoshangpu oil fields would be divided into one long-term cycle,four middle-term cycle and fifteen short-term cycle,establish a reasonable geology model.Drawing the equivalent line diagram of sand to mire of sequense III,to recover the beneficial lithologic trap is a restrict where it become the course of river in the base level under slice in the rise period,can become the district of the mire cover in the decent period.
Base on the high resolution sequence of straigraphy,analysis rock cores,well logs and seismic data,the resorvior of minghuazhen formation in Gaoshangpu oil fields would be divided into one long-term cycle,four middle-term cycle and fifteen short-term cycle,establish a reasonable geology model.Drawing the equivalent line diagram of sand to mire of sequense III,to recover the beneficial lithologic trap is a restrict where it become the course of river in the base level under slice in the rise period,can become the district of the mire cover in the decent period.
引文
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[3]操应长,姜在兴.泌阳凹陷核桃园组层序地层学研究.
[4]胡宗全.砂体连通性评价在隐蔽圈闭预测中的应用.新疆:新疆石油地质,2003,24(2).
[5]纪友亮,张世奇等.陆相断陷湖盆层序地层学.北京:石油工业出版社,1996.
[6]邓宏文,王洪亮,祝永军.高分辨率层序地层学—原理及应用.北京:地质出版社,2002.
[7]国景星,戴启德,吴丽艳.冲积——河流相层序地层学研究.石油大学学报(自然科学版),2003,27(4).
[8]Deng Hongwen Wang Hongliang and Cross T A,Application of high-resolution stratigraphiccorrelation approaches to fluvial reservoirs;Proceedings of the 30th InternationalGeological Congress,1997,V,11.
[9]Cross T A,Sediment gravity flow in thecontext of rheology and energy.AAPG(poster),1999.
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