Author

Liang Xiao

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Sep 2026

High-Resolution Lithofacies Identification in Volcanically Influenced Lacustrine Shales: A Case Study of the Chang 73 Sub-Member, Yanchang Formation, East Gansu Area, Ordos Basin

Lithofacies identification in the Chang 73 Sub-Member is challenged by tephra input and thin interbeds, which distort conventional well logging responses and increase vertical heterogeneity. Consequently, classification based directly on conventional well logs is often unreliable for fine-scale reservoir characteriza...

Jia-Qi Li, Hong-Yan Yu, Liang Xiao · SPE Journal · 0 citations

Sep 2026

A Novel Method to Predict Water Saturation from Conventional Well Logging in Tight Gas Sandstone Reservoirs

Water saturation is an important input parameter in reserve estimation and fluid identification. Many models have been raised to predict water saturation since the Archie's equation was first established in 1942. However, water saturation estimation in tight gas sandstone reservoirs still faces great challenge due to...

Jing Li, Chun-Ming Jia, Xing-Duo Hu et al. · GOTECH · 0 citations

Sep 2026

Enhanced Permeability Prediction in Heterogeneous Tight Sandstones: A Hybrid Model Combining Hydraulic Flow Units (HFU) with Deep Learning Method

Permeability prediction in tight sandstone reservoirs remains challenging when using conventional methods, largely due to the weak correlation among rock physical properties caused by strong heterogeneity. Models relying on pore structure and connectivity, e.g., the Swanson-based model, the R10-based model (pore-thro...

Tian-Ding Liu, R. A, Kun Shi et al. · GOTECH · 0 citations