吉林大学学报(地球科学版) ›› 2017, Vol. 47 ›› Issue (6): 1904-1912.doi: 10.13278/j.cnki.jjuese.201706307
• 地球探测与信息技术 • 上一篇
崔利凯1, 孙建孟1, 闫伟超1, 高银山2, 王洪君2, 宋丽媛3
Cui Likai1, Sun Jianmeng1, Yan Weichao1, Gao Yinshan2, Wang Hongjun2, Song Liyuan3
摘要: 针对单一分辨率的数字岩心模型无法完整描述岩心不同尺度结构信息的问题,以砂岩样品为例,通过对岩心多分辨率CT成像,采用基于特征的图像配准方法实现了不同分辨率岩心图像的精确匹配。通过融合不同分辨率岩心扫描图像进行孔隙分割和矿物分割,构建多尺度、多组分的数字岩心模型。结果表明:多尺度多组分数字岩心模型可以表征跨尺度的岩心孔隙结构,孔隙分布与核磁测量结果有较好的一致性;与Qemscan相比,数字岩心矿物体积分数同X衍射测定结果更吻合,真实地还原了岩心不同组分的结构信息。
中图分类号:
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