
基本信息:
- 专利标题: 反映真实岩心连通性的2D模型构建方法
- 专利标题(英):Two-dimensional model construction method for reflecting real rock core connectivity
- 申请号:CN201410643887.6 申请日:2014-11-10
- 公开(公告)号:CN105654525A 公开(公告)日:2016-06-08
- 发明人: 孙红霞 , 戴涛 , 汪勇 , 徐冬梅 , 苏海波 , 孟薇 , 赵莹莹 , 闫萍 , 韩子臣 , 陈苏 , 段敏 , 曹伟东 , 史敬华
- 申请人: 中国石油化工股份有限公司 , 中国石油化工股份有限公司胜利油田分公司地质科学研究院
- 申请人地址: 北京市朝阳区朝阳门北大街22号
- 专利权人: 中国石油化工股份有限公司,中国石油化工股份有限公司胜利油田分公司地质科学研究院
- 当前专利权人: 中国石油化工股份有限公司,中国石油化工股份有限公司胜利油田分公司地质科学研究院
- 当前专利权人地址: 北京市朝阳区朝阳门北大街22号
- 代理机构: 济南日新专利代理事务所
- 代理人: 崔晓艳
- 主分类号: G06T11/00
- IPC分类号: G06T11/00 ; G06T7/00
The invention provides a two-dimensional model construction method for reflecting real rock core connectivity. The method comprises steps that 1, microscopic rock core pore structure image preprocessing is carried out; 2, an autocorrelation function is constructed; 3, according to microscopic rock core pore structure images after preprocessing and the autocorrelation function, an image autocorrelation function and distance curve is constructed; 4, application of the autocorrelation function on a plane is carried out to determine model scale standards having representative rock core pore structure characteristics, and a plane scope of the two-dimensional model is determined; 5, the largest vertical pore penetrating depth is determined; 6, vertical pore structure mapping is carried out; and 7, isolate pore removal is carried out, and a simulation model reflecting real rock core pore structure characteristics and connectivity is constructed. Through the method, reliability and accuracy of internal microscopic rock core flow simulation are guaranteed, and reasonable reference bases are provided for reflecting the real microscopic oil and water seepage mechanism.
公开/授权文献:
- CN105654525B 反映真实岩心连通性的2D模型构建方法 公开/授权日:2018-06-29
IPC结构图谱:
G | 物理 |
--G06 | 计算;推算;计数 |
----G06T | 一般的图像数据处理或产生 |
------G06T11/00 | 两维(2D)图像的发生,例如从一个绘图到一个位像图 |