Effect of fracture geometry, topology and connectivity on energy recovery from enhanced geothermal systems

M Cao, MM Sharma - Energy, 2023 - Elsevier
A combination of hydraulic fracturing and horizontal wells is now being used to tap
geothermal energy from naturally fractured reservoirs. Fully grid-based numerical models …

Full composition numerical simulation of CO2 utilization process in shale reservoir using projection-based embedded discrete fracture model (pEDFM) considering …

Z Jia, L Cheng, H Feng, R Cao, P Jia, B Pu… - Gas Science and …, 2023 - Elsevier
Carbon dioxide (CO 2) injection for shale oil production is a promising CCUS (Carbon
dioxide Capture, Utilization and Storage) technique, which achieves the synergistic effect of …

Experimental study on physical modeling of flow mechanism in volumetric fracturing of tight oil reservoir

X Zhao, X Liu, Z Yang, F Wang, Y Zhang, G Liu… - Physics of …, 2021 - pubs.aip.org
This paper investigates the characteristics of oil–water two-phase flow after volumetric
fracturing of horizontal wells in tight reservoirs. Based on a large-scale high-pressure, high …

A modified 3D-EDFM method considering fracture width variation due to thermal stress and its application in enhanced geothermal system

R Cao, J Shi, Z Jia, C Cao, L Cheng, G Liu - Journal of Hydrology, 2023 - Elsevier
The successful utilization of hot dry rock is contingent upon the implementation of the
development of the enhanced geothermal system (EGS) to create a complex fracture …

Effects of multiscale heterogeneity on transport in three-dimensional fractured porous rock with a rough-walled fracture network

L Zhan, Y Hu, L Zou, W Xu, Z Ye, R Chen… - Computers and …, 2022 - Elsevier
This study numerically analyzed the effect of multiscale heterogeneity on flow and transport
response of a three-dimensional (3D) fractured porous rock with rough-walled fracture …

基于嵌入式离散裂缝模型的增强型地热系统热—流—力—化耦合分析.

韩东旭, 张炜韬, 焦开拓, 宇波, 李庭宇… - Natural Gas …, 2023 - search.ebscohost.com
增强型地热系统(以下简称EGS) 在长期取热过程中会受到流(Hydraulic), 热(Thermal),
力(Mechanical), 化(Chemical) 等多种物理场的综合作用影响. 虽然嵌入式离散裂缝模型(以下 …

Numerical simulation of compositional flow in shale gas-condensate reservoirs using generic projection-based embedded discrete fracture model

C Luo, X Rao, X He - Physics of Fluids, 2024 - pubs.aip.org
Current commercial and in-house numerical simulators often employ discrete fracture
models (DFM) and embedded discrete fracture models (EDFM) for flow simulation in …

Tracer-test-based dimensionality reduction model for characterizing fracture network and predicting flow and transport in fracture aquifer

C Hua, Z Jiang, J Li, T Xu, Y Lei, H Zhu - Journal of Hydrology, 2024 - Elsevier
Dimensionality reduction models (DRM) are widely utilized for well-posed inversion of highly
heterogeneous aquifer properties. However, these models predominantly rely on predefined …

Study on the flow characteristics of tight oil reservoirs with linear injection and production for volume-fractured horizontal wells

X Zhao, Z Yang, X Liu, Y Zhang, W Shen - Physics of Fluids, 2023 - pubs.aip.org
New technology for developing horizontal well linear injection and production can reduce
the spacing and establish an effective replacement system. However, the seepage …

The enriched-embedded discrete fracture model (nEDFM) for fluid flow in fractured porous media

K Jiao, D Han, Y Chen, B Bai, B Yu, S Wang - Advances in Water …, 2024 - Elsevier
The embedded discrete fracture model (EDFM) is widely adopted for simulating fluid flow in
fractured porous media, but it faces limitations when dealing with blocking fractures due to …