基于0.2 m高分辨率测井系列的表外薄差水淹层解释新技术

发布时间：2018-04-15 01:34

本文选题：. + m分辨率　；参考：《大庆石油地质与开发》2017年02期

【摘要】：针对高含水油田测井分辨率不足的实际和表外储层有效解释方法的缺失,充分利用0.2 m高分辨率测井新系列独特的技术优势,准确求取薄差层地层水电阻率、含水饱和度、驱油效率等地质参数。在此基础上,通过水淹状态敏感参数的优选,成功建立起水淹状态方程和重心法相结合的水淹判别方法,既准确判断出遵循"四性关系"的储层水淹级别,又解决了特征参数正态性带来的矛盾,建立起表外薄差层解释新方法,填补了表外薄差层有效解释方法这一空白,形成与新测井技术相配套的水淹层解释新技术。通过4口取心井资料验证,薄差层解释符合率高达87.5%,为特高含水期油田持续稳产提供了有力技术支撑。
[Abstract]:In view of the lack of logging resolution in high water-cut oil fields and the lack of effective interpretation methods for off-surface reservoirs, the authors fully utilize the unique technical advantages of the new series of high-resolution logging at 0.2 m to accurately obtain the formation water resistivity and water saturation of thin and differential formations.Oil displacement efficiency and other geological parameters.On the basis of this, through the optimal selection of sensitive parameters of water-flooded state, a water-flooded discrimination method combining the water-flooded state equation and the barycenter method is established successfully, which can accurately judge the water-flooded level of reservoir following the "four-sex relationship".The contradiction caused by the normality of characteristic parameters is solved, and a new interpretation method of outer thin layer is established, which fills the blank of effective interpretation method of outer thin difference layer, and forms a new interpretation technology of water-flooded zone which is matched with the new logging technology.Through the data verification of 4 coring wells, the interpretation coincidence rate of thin and differential layers is as high as 87.5, which provides a strong technical support for the sustained and stable production of oil fields in the ultra-high water-cut period.
【作者单位】：大庆油田有限责任公司钻探工程公司测井公司;
【分类号】：P631.81;TE31

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