Microcrack-based geomechanical modeling of rock-gas interaction during supercritical CO2 fracturing

L Liu, W Zhu, C Wei, D Elsworth, J Wang - Journal of Petroleum Science …, 2018 - Elsevier
Relative to water-based fluids, non-aqueous fracturing fluids have the potential to increase
production, reduce water requirements, and to minimize environmental impacts. Since the …

Effect of mineralogy on friction-dilation relationships for simulated faults: Implications for permeability evolution in caprock faults

F Zhang, M An, L Zhang, Y Fang, D Elsworth - Geoscience Frontiers, 2020 - Elsevier
This paper experimentally explores the frictional sliding behavior of two simulated gouges:
one, a series of quartz–smectite mixtures, and the other, powdered natural rocks, aiming to …

Experimental investigation of bypassed-oil recovery in tight reservoir rock using a two-step CO2 soaking strategy: Effects of fracture geometry

M Milad, R Junin, A Sidek, A Imqam, GA Alusta… - Upstream Oil and Gas …, 2023 - Elsevier
The potential of the CO 2 soaking procedure has been generally acknowledged as a valid
way to advance the tight rock oil recovery. Over the last decade, a significant number of Huff …

The relation between stimulated shear fractures and production in the Barnett Shale: Implications for unconventional oil and gas reservoirs

A Hakso, M Zoback - Geophysics, 2019 - library.seg.org
Economic production from extremely low permeability unconventional reservoirs is
accomplished through multistage slick water hydraulic fracturing, which generates opening …

Discrete element modeling of permeability evolution during progressive failure of a low-permeable rock under triaxial compression

L Zhang, L Scholtes, FV Donzé - Rock Mechanics and Rock Engineering, 2021 - Springer
Understanding permeability evolution caused by the nucleation, propagation and
coalescence of cracks enables to better assess fluid migration in the vicinity of underground …

Experimental investigation on the stress sensitivity of permeability in naturally fractured shale

D Yang, W Wang, K Li, W Chen, J Yang… - Environmental earth …, 2019 - Springer
In this paper, we present an experimental investigation regarding the stress sensitivity of
permeability in naturally fractured shale. Gas permeability tests were performed on the …

The impact of oriented perforations on fracture propagation and complexity in hydraulic fracturing

L Liu, L Li, D Elsworth, S Zhi, Y Yu - Processes, 2018 - mdpi.com
To better understand the interaction between hydraulic fracture and oriented perforation, a
fully coupled finite element method (FEM)-based hydraulic-geomechanical fracture model …

An experimental study on conductivity of unpropped fractures in preserved shales

W Wu, J Zhou, P Kakkar, R Russell… - SPE Production & …, 2019 - onepetro.org
A great deal of evidence shows that hydraulic fracturing creates a large surface area of
induced unpropped (IU) fractures that are too small to accommodate commonly used …

Conductivity of hydraulic fracturing in tight carbonate intra-platform shoal reservoirs

P Xie, Z Gao, C Li, T Fan, MK Grace, D Wei… - Journal of Petroleum …, 2020 - Elsevier
The carbonate intra-platform shoal is a typically tight oil and gas reservoir with low porosity
and low permeability. A common way to stimulate this type of reservoir is through acid …

Experimental and numerical investigation of shear stimulation and permeability evolution in shales

Z Ye, V Sesetty, A Ghassemi - SPE Hydraulic Fracturing Technology …, 2018 - onepetro.org
The shearing of pre-existing fractures plays an important role in the permeability
enhancement of shale reservoirs during hydraulic fracturing or refracturing treatments. The …