Hydraulic fracturing and enhanced recovery in shale reservoirs: theoretical analysis to engineering applications

H Yu, WL Xu, B Li, HW Huang, M Micheal… - Energy & …, 2023 - ACS Publications
Shale reservoirs are extensively exploited using hydraulic fracturing, which forms multiple
cracks that connect with the existing natural fractures to create a continuous path for the gas …

Research progress and prospects of CO2 fracturing for developing unconventional energy sources

JH Gao, HY Wang, M Sharma - Geoenergy Science and Engineering, 2024 - Elsevier
As the world faces the challenges of meeting energy demand, reducing reliance on
conventional oil and gas resources, and improving global climate conditions, developing …

An integrated model for fracture propagation and production performance of thermal enhanced shale gas recovery

WL Xu, H Yu, M Micheal, HW Huang, H Liu, HA Wu - Energy, 2023 - Elsevier
Thermal enhanced recovery (TER) is a promising approach to improving the production
efficiency of shale gas reservoirs. TER involves complex physical behaviors including …

Thermo-hydro-mechanical coupling simulation for fracture propagation in CO2 fracturing based on phase-field model

Y Li, G Peng, J Tang, J Zhang, W Zhao, B Liu, Y Pan - Energy, 2023 - Elsevier
CO 2 fracturing is extensive used in unconventional oil and gas reservoir, geothermal
resources, metal uranium mining, and CO 2 geological storage. At present, the fluid-solid …

A multi-physics coupled multi-scale transport model for CO2 sequestration and enhanced recovery in shale formation with fractal fracture networks

B Li, H Yu, WL Xu, HW Huang, MC Huang, SW Meng… - Energy, 2023 - Elsevier
CO 2 sequestration and enhanced gas recovery (CS-EGR) of shale formation involve
complex multi-physics couplings, which are still not precisely captured by recent models. In …

A hydro-mechanical phase field model for hydraulically induced fractures in poroelastic media

J Xing, C Zhao - Computers and Geotechnics, 2023 - Elsevier
This paper presents a hydro-mechanical phase field model that integrates the unified phase
field fracture theory and Biot's theory, emphasizing the correction of the volumetric strain …

Opening-dependent phase field model of hydraulic fracture evolution in porous medium under seepage-stress coupling

Y Song, H Cheng - Theoretical and Applied Fracture Mechanics, 2024 - Elsevier
In this paper, a seepage-stress coupling numerical analysis method is developed to
simulate complex hydraulic fracturing in porous medium, in which the characteristics of …

A coupled thermo-hydro-mechanical-chemical model for production performance of oil shale reservoirs during in-situ conversion process

HW Huang, H Yu, WL Xu, CS Lyu, M Micheal, HY Xu… - Energy, 2023 - Elsevier
The in-situ conversion process (ICP) is an effective approach to exploiting oil shale, which
involves chemical reaction, fluid flow, heat transfer, and mechanical response (ie, thermo …

How does the heterogeneous interface influence hydraulic fracturing?

Q Wang, H Yu, WL Xu, HW Huang, FD Li… - International Journal of …, 2024 - Elsevier
Under the influence of the nonlinear fluid-solid coupling, hydraulic fracture exhibits various
propagation modes (such as toughness-or viscosity-dominated), which stem from the …

Gas production from shale reservoirs with bifurcating fractures: A modified quadruple-domain model coupling microseismic events

M Micheal, H Yu, SW Meng, WL Xu, HW Huang… - Energy, 2023 - Elsevier
Many fracture branches are generated during hydraulic fracturing to form complex fracture
networks and the majority of the gas in the unstimulated region (USR) is left unexploited …