Results 21 to 30 of about 164 (144)

Investigation on Nonlinear Behaviors of Seepage in Deep Shale Gas Reservoir with Viscoelasticity

Energies, 2023
The nonlinear behaviors in deep shale gas seepage are investigated, involving the non-Darcy effect, desorption, and viscoelasticity. The seepage model accounts for the nonlinear compressibility factor and gas viscosity due to their stronger non-linearity
Xuhua Gao, Junhong Yu, Xinchun Shang, Weiyao Zhu   +3 more
doaj   +1 more source

A New Modeling Framework for Multi-Scale Simulation of Hydraulic Fracturing and Production from Unconventional Reservoirs

Energies, 2021
This paper describes a new modeling framework for microscopic to reservoir-scale simulations of hydraulic fracturing and production. The approach builds upon a fusion of two existing high-performance simulators for reservoir-scale behavior: the GEOS code
J. T. Birkholzer, J. Morris, J. R. Bargar, F. Brondolo, A. Cihan, D. Crandall, H. Deng, W. Fan, W. Fu, P. Fu, A. Hakala, Y. Hao, J. Huang, A. D. Jew, T. Kneafsey, Z. Li, C. Lopano, J. Moore, G. Moridis, S. Nakagawa, V. Noël, M. Reagan, C. S. Sherman, R. Settgast, C. Steefel, M. Voltolini, W. Xiong, J. Ciezobka   +27 more
doaj   +1 more source

Evaluating proppant performance and fracture conductivity dynamics in the Shenhu marine hydrate reservoir, South China Sea

Applied Ocean Research
Hydraulic fracturing, which creates propped fractures to establish high-conductivity pathways near production wells, has emerged as a promising technology for boosting gas production efficiency in low-permeability marine natural gas hydrate (NGH ...
Bing Li, Yifeng Shen, Youhong Sun, Yun Qi, Siqi Qiang, Pengfei Xie, Guobiao Zhang   +6 more
doaj   +1 more source

Advances of nanotechnologies for hydraulic fracturing of coal seam gas reservoirs: potential applications and some limitations in Australia

International Journal of Coal Science & Technology, 2022
Some of the most promising potential applications of nanotechnology to hydraulic fracturing of coal seam gas (CSG) are reviewed with a focus on Australian CSG wells.
Hannah Marsden, Sudeshna Basu, Alberto Striolo, Melanie MacGregor   +3 more
doaj   +1 more source

Proppant embedment in coal and shale: Impacts of stress hardening and sorption

International Journal of Coal Geology, 2020
Abstract During methane production in CBM reservoirs, the influence of proppant embedment and permeability damage cannot be neglected – especially where the wall-rock is soft. Effective stresses are elevated during methane recovery, increasing both normal loading stress and confinement and simultaneously overprinting sorption-induced volumetric ...
Sheng Zhi, Derek Elsworth
openaire   +2 more sources

Proppant embedment behavior and elastic–plastic embedding depth modeling of coal reservoirs under multi-stage loading

Meitan xuebao
To investigate the elasto-plastic embedment behavior of proppant during coalbed methane (CBM) production, a mechanical testing system equipped with a high-precision displacement sensor was used to design and conduct proppant-embedment tests under multi ...
Wei LIU, Xuanshi ZHU, Yuanlong WEI, Fuping ZHAO, Lingyun ZHAO, Tengda HUANG, Jianghao LI   +6 more
doaj   +1 more source

Evolution of Friction and Permeability in a Propped Fracture under Shear

Geofluids, 2017
We explore the evolution of friction and permeability of a propped fracture under shear. We examine the effects of normal stress, proppant thickness, proppant size, and fracture wall texture on the frictional and transport response of proppant packs ...
Fengshou Zhang, Yi Fang, Derek Elsworth, Chaoyi Wang, Xiaofeng Yang   +4 more
doaj   +1 more source

Experimental Study on the Damage of Artificial Fracture Permeability in Coal during the Flow Back of Guar-Based Fracturing Fluid

Geofluids, 2020
After the completion of fracturing operation in coalbed methane (CBM), the fracturing fluid needs to flow back to the ground in time to reduce the damage to the coal reservoir.
Shenggui Liu, Jinkuang Huang, Songlei Tang, Shixiong Shi, Xuan Wu, Xin Liu   +5 more
doaj   +1 more source

A Coupled Extended Finite Element–Cohesive Zone Model for Hydraulic Fracture Propagation Under Poroelastic Effects Across Different Propagation Regimes

International Journal for Numerical and Analytical Methods in Geomechanics, EarlyView.
ABSTRACT Numerical simulation of hydraulic fracturing remains challenging due to the strong coupling between geomechanics and fluid flow when modelling multiple physical mechanisms of rock deformation, fracture evolution and fluid leak‐off. This study develops a coupled hydraulic fracture propagation framework that combines the extended finite element ...
Ran Tao, Juliana Y. Leung, Samer Adeeb
wiley   +1 more source

Experimental Study on Multiscale Evolution Mechanism of Coalbed Reservoir Properties in “Three‐Low” CBM Reservoirs Modified by Chlorine Dioxide

Geofluids, Volume 2026, Issue 1, 2026.
Aiming at the “three‐low” challenges (low permeability, low gas saturation, and low critical desorption‐to‐storage ratio [CDSR]) of Chinese coalbed methane (CBM) reservoir materials, this study adopted chlorine dioxide (ClO2) chemical modification on long‐flame, coking, and anthracite coal materials.
Chaowen Hu, Ruifeng Huang, Huifeng Wang, Bo Pan, Xiaojie Yang, Yichao Li, Fulong Sun, Umberta Tinivella   +7 more
wiley   +1 more source