Microscopic pore throat structures and water flooding in heterogeneous low-permeability sandstone reservoirs: A case study of the Jurassic Yan'an Formation in the …

X Zhong, Y Zhu, T Jiao, Z Qi, J Luo, Y Xie… - Journal of Asian Earth …, 2021 - Elsevier
The complexity of the pore throat structures of heterogeneous low-permeability reservoirs
causes uneven water flooding, resulting in the retention of a considerable amount of …

An intelligent approach for reservoir quality evaluation in tight sandstone reservoir using gradient boosting decision tree algorithm-A case study of the Yanchang …

JJ Liu, JC Liu - Marine and Petroleum Geology, 2021 - Elsevier
The identification of high-quality areas with relatively high porosity and high permeability
zones in tight sandstone reservoirs has always been an enormous challenge beneath the …

Pore throat heterogeneity of different lithofacies and diagenetic effects in gravelly braided river deposits: Implications for understanding the formation process of high …

D Zhao, J Hou, H Sarma, W Guo, Y Liu, P Xie… - Geoenergy Science and …, 2023 - Elsevier
Tight gas sandstone is a unique kind of unconventional hydrocarbon resource in that its
intricate pore throat structure governs reservoir physical properties and gas reservoir …

Combined acoustical-electrical modeling for tight sandstones verified by laboratory measurements

M Pang, J Ba, JM Carcione, EH Saenger - International Journal of Rock …, 2024 - Elsevier
Tight sandstone reservoirs basically have low porosity and permeability, a complex pore
structure and a heterogeneous distribution of immiscible fluids. With the development of …

Investigation on pore structure characteristics of ultra-tight sandstone reservoirs in the upper Triassic Xujiahe Formation of the northern Sichuan Basin, China

J Liu, C Zhang, Y Jiang, S Hou - Marine and Petroleum Geology, 2022 - Elsevier
Pore structure is the key factor to control the quality and fluid flow of ultra-tight reservoir. The
relationship between rock types, pore types, and pore sizes of ultra-tight sandstone …

In-situ stresses, abnormal pore pressures and their impacts on the Triassic Xujiahe reservoirs in tectonically active western Sichuan basin

J Zhang, H Zheng, G Wang, Z Liu, Y Qi, Z Huang… - Marine and Petroleum …, 2020 - Elsevier
Pore pressures in the Xujiahe gas-bearing formations are highly overpressured in the
western Sichuan basin. The abnormally high overpressure and strong tectonic stress cause …

Geochemical characteristics and hydrocarbon generation potential of main source rocks in the Upper Triassic Xujiahe Formation, Sichuan Basin, China

Z Wang, C Hao, H Jin, J Cui, X Wu, D Bo… - Frontiers in Earth …, 2023 - frontiersin.org
In order to have a comprehensive understanding of the characterization and hydrocarbon
generation potential of the source rock in the Upper Triassic Xujiahe Formation, Sichuan …

Movable fluid evaluation of tight sandstone reservoirs in lacustrine delta front setting: Occurrence characteristics, multiple control factors, and prediction model

D Feng, C Liu, X Feng, X Wang, RS Awan… - Marine and Petroleum …, 2023 - Elsevier
The tight sandstone, deposited in a lacustrine delta front setting, constitutes substantial new
petroleum reserves. Tight sandstone reservoirs' fluid mobility directly affects oil production …

Pore structure characteristics and evaluation of lacustrine mixed fine-grained sedimentary rocks: A case study of the Lucaogou Formation in the Malang Sag …

Y Pan, Z Huang, T Li, X Xu, X Chen, X Guo - Journal of Petroleum Science …, 2021 - Elsevier
The lithology of the mixed fine-grained sedimentary rock reservoirs in the Permian
Lucaogou Formation of the Santanghu Basin is very complex, and the reservoirs are …

Characteristics of Tight Gas Reservoirs in the Xujiahe Formation in the Western Sichuan Depression: A Systematic Review

J Wei, J Zhang, Z Yong - Energies, 2024 - mdpi.com
In current energy structure adjustments, the prominence of unconventional oil and gas
resources continues to grow, with increasing attention being paid to tight gas, a major …