Microscopic pore throat structures and water flooding in heterogeneous low-permeability sandstone reservoirs: A case study of the Jurassic Yan'an Formation in the Huanjiang area, Ordos Basin, Northern China

• Published in: Journal of Asian earth sciences Vol. 219; p. 104903
• Main Authors: Zhong, Xinyu, Zhu, Yushuang, Jiao, Tao, Qi, Zhao, Luo, Jianghua, Xie, Yuhang, Liu, Linyu
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.10.2021
• Subjects: Fractal characteristics; Heterogeneity; Low permeability; Ordos Basin; Pore throat structure; Water flooding; Pore throat structure; Heterogeneity; Ordos Basin; Water flooding; Fractal characteristics; Low permeability

[Display omitted] •The pore throat structure is classified based on inflection points of fractal curves.•The heterogeneity is caused by the varying proportions of micro-structure types.•The water flooding is mainly affected by the heterogeneity of pore throat structure. The complexity of the pore th...