东营凹陷西北部地层超覆油藏勘探技术研究
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摘要
本文通过对东营凹陷西北部地层超覆油藏的区域地质特征、圈闭特征、油气运聚模式和分布规律研究,提出了在断-坳过渡期构造-沉积体系中,复合疏导体系及其与优质源岩和构造背景在成油期的有机配置关系是地层超覆藏油气运聚的主要模式,大型地层超剥带和继承性鼻状构造带的结合部位是寻找大中型地层油藏的主要方向等一系列重要的研究成果,并重点阐述了地层超剥带的地震描述技术。有力地指导了本区地层超覆油气藏的勘探开发工作。
Through studies on regional geology characteristics,trap feature,petroleum migration model and the distribution law of stratigraphic overlapped oil reservoirs in northwest of Dongying depression,the following series of achievements are presented:the organic allocation of composed penetration system with fine source rock and structural setting in oil generation period is the main model of migration and accumulation of stratigraphic overlapped petroleum reservoirs.The former exists in fault-depression transition period and in stucture-sedimentation system;the combined part among large-size stratigraphic overlapped and stripped belt and progressive nose-like structural belt is main favorite direction to seek for large and medium size stratigraphic oil reservoirs and so on.Seismic description technique applied in stratigraphic overlapped and stripped belt has guided the exploration and development of stratigraphic overlapped and oil/gas reservoirs in Dongying area.
引文
[1]毕义泉.陡坡带砂砾岩体油气成藏模式[M].东营:石油大学出版社,2002.
    [2]李丕龙,庞雄奇.陆相断陷盆地隐蔽性油气藏形成—以济阳坳陷为例[M],北京:石油工业出版社,2004.
    [3]崔红庄,乔玉雷.砂砾岩扇体的地震地质特征及预测描述技术[J],石油物探,2003,7(42)(增刊):320-324.

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