Table of Content

Advances in Seepage Mechanism and Numerical Simulation of Unconventional Reservoirs

Submission Deadline: 31 December 2023 Submit to Special Issue

Guest Editors

Dr. Ruihan Zhang, Southwest Petroleum University, CHINA.
Dr. Tao Zhang, Southwest Petroleum University, CHINA.
Dr. Dongxu Zhang, Chengdu University of Technology, CHINA


In the last few years, there has been a great deal of focus on unconventional reservoirs like tight gas/oil reservoirs, coalbed methane, and shale gas/oil reservoirs, which have been pivotal in satisfying the growing demand for energy. Unlike conventional reservoirs, unconventional reservoirs possess properties of low-porosity and low-permeability, with pores that are in the microscale or nanoscale range. The difference leads to the inapplicable of traditional theories/approaches/technologies to these unconventional reservoirs. In particular, the manner in which fluid is distributed, the mechanisms of fluid transport, and the fluid phase behavior at the microscopic level are all affected by the pore size; yet, the precise relationship between them remains unclear. Generally, the development of unconventional reservoirs faces new challenges in the fields of non-Darcy, non-Newtonian, non-isothermal, nonlinear media, as well as multi-scale, multi-phase, multi-field percolation theory and their coupled effects. Because of their unique features, unconventional reservoirs present a range of challenges in their development, necessitating creative solutions with accurate numerical simulations to enhance oil/gas recovery.

To bridge the current knowledge gap, this Special Issue is dedicated to attracting high-quality original research and reviews, focusing on advances in seepage mechanism and numerical simulation of unconventional reservoirs. The new progress including laboratory modeling, reservoir simulation studies, mathematical modeling, field case studies, or a combination of these are all welcomed to this special issue.

Potential topics include but are not limited to the following:

• Fundamental studies of coupled transport, reaction, and/or mechanics

• Petrophysical characterization in unconventional reservoirs

• Multiscale and Multiphysics seepage modeling

• Novel reservoir-simulation methods

• Novel methods for enhanced hydrocarbon recovery (CO2-EOR/EGR, chemical, microbial)

• MD, PNM and LBM modelling on fluid occurrence and transport

• Well testing and production decline analysis for unconventional reservoirs

• Experimental study on seepage mechanism

• Practices and lessons from field applications


Unconventional reservoir; Seepage mechanism; Multiscale; Simulation; Fluid-thermal-solid incorporation

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