问题 |
E3S网页汇编
卷积194 2020
20205线程能源和环境研究进步国际会议(ICAEER2020) |
|
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文章号 | 01024 | |
页数 | 4 | |
段内 | 能源工程和能源开发 | |
多尔市 | https://doi.org/10.1051/e3sconf/202019401024 | |
在线发布 | 2020年10月15日 |
高水割井群研究Y块
地质大队第一石油生产厂Daqing油田LTD语言
Y块进入超高水割阶段生产,油井水割率通常高于90%聚合物淹水前 水割继续上升注入区高含水井特征为效力困难和水量下降低,严重影响区域总体开发效果In this paper, the high water-bearing wells are divided into four categories by the parameter index of the number of layers in the high water-bearing channels before polymer flooding.Through the splitstream curve and the phase permeability curve, the permeability and oil saturation data under the condition of 98% water content were selected for fitting, and the critical oil saturation formula was obtained.The ratio between the oil saturation and the critical oil saturation is calculated by numerical simulation, and the discriminant standard of the dominant seepage channel with high water content is established.Compared with previous remaining oil saturation field identification methods, changed the method according to the conventional ideas of remaining oil saturation evaluation of water and residual oil, through the analysis of reservoir permeability parameters for the current development under the condition of the target reservoir quantitative identification of the cause of high water cut, to cause high containing water wells and reservoir high water cut oilfield management work provide quantitative analysis and objective guidance.
必威西汉姆赞助作者版由EDPScience发布,2020
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