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Old Field Evaluation of Qinglongtai Oilfield in Eastern Liaohe Depression

机译：青龙坳陷青龙油油田的旧场地评价

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摘要

At present,Qinglongtai oilfield has entered the middle and late stage of development,with the increase of exploration degree,the understanding of tectonic oil and gas traps has tended to bottleneck.The study of lithologic clastic rock traps is still under exploration,and exploration and development has stagnated for many years,which has formed a restriction on the stable production of oil fields.Therefore,it is instructive for the exploration and development of lithologic oil reservoirs in L606 Block of Qinglongtai oilfield to carry out fine evaluation research.The main target layer of this study is the Upper 3th Member of Shahejie Formation,and the lithologic characteristics are sandstone and mudstone,carbon mudstone showing unequal thickness interlayer.The longitudinal oil-bearing sand body is thin,and the reservoir distribution on the plane is discontinuous,which has caused great difficulties to the reservoir prediction work.According to the principle of high resolution sequence stratigraphy,a high-resolution sequence strata correlation frame is established.Combining the core profile and logging curve profile,the spatiotemporal distribution characteristics of river sand bodies are established.By using the technique of seismic reservoir inversion and attribute extraction,the boundary of river sand body is determined,and the distribution thickness and distribution range of river sand body are distinguished more accurately.Results provide a strong basis for well deployment.
机译：目前，清隆泰油田已进入发展中期和晚期发展，随着勘探程度的增加，对构造油和天然气陷阱的理解趋于瓶颈。岩性碎屑岩陷阱的研究仍在探索，探索和勘探多年来的发展已经停滞不前，这已经形成了对油田的稳定生产的限制。因此，它对清隆泰油田L606块岩性油藏的勘探开发是有意义的，进行精细评价研究。主要目标本研究层是沙河杰形成的第3次成员，岩性特征是砂岩和泥岩，碳泥岩均匀厚度夹层。纵向含油砂体薄，飞机上的储存器分布不连续，这是不连续的，这是不连续的对水库预测工作引起了巨大困难。根据高分辨率序列str的原则图形，建立了高分辨率序列地层相关帧得到了核心轮廓和测井曲线曲线，建立了河流砂体的时空分布特性。由地震储层反演和属性提取技术，河流边界确定身体，并且河砂体的分布厚度和分配范围更加精确。结果为井部署提供了强大的基础。

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