Interaction between hydraulic fractures and natural fractures: current status and prospective directions

O Kolawole, I Ispas - Journal of Petroleum Exploration and Production …, 2020 - Springer
Hydraulic fracturing treatment is one of the most efficient conventional matrix stimulation
techniques currently utilized in the petroleum industry. However, due to the spatiotemporal …

Groundwater flow beneath ice sheets: part II—its impact on glacier tectonic structures and moraine formation

GS Boulton, P Caban - Quaternary Science Reviews, 1995 - Elsevier
Meltwater flowing as groundwater from beneath the margin of an ice sheet determines the
distribution of sub-surface heads and effective pressures. A subglacial groundwater flow …

Numerical simulation of propagation and coalescence of flaws in rock materials under compressive loads using the extended non-ordinary state-based peridynamics

Y Wang, X Zhou, X Xu - Engineering Fracture Mechanics, 2016 - Elsevier
The maximum tensile stress criterion and the Mohr-Coulomb criterion are incorporated into
the extended non-ordinary state-based peridynamics (NOSB-PD) to simulate the initiation …

Brittle–ductile transition, shear failure and leakage in shales and mudrocks

R Nygård, M Gutierrez, RK Bratli, K Høeg - Marine and Petroleum Geology, 2006 - Elsevier
This paper presents an experimental study on brittle–ductile transition, shear behaviour, the
formation of shear fractures in shales and mudrocks, and the hydraulic properties of shales …

[HTML][HTML] Influence of flaw inclination angle and loading condition on crack initiation and propagation

H Li, LNY Wong - International Journal of Solids and Structures, 2012 - Elsevier
With reference to the experimental observation of crack initiation and propagation from pre-
existing flaws in rock specimens under compression, the influences of pre-existing flaw …

Application of the discrete element method for modeling of rock crack propagation and coalescence in the step-path failure mechanism

LAM Camones, E do Amaral Vargas Jr… - Engineering …, 2013 - Elsevier
The present study evaluates the discrete element method (DEM) as a tool for understanding
the step-path failure mechanism in fractured rock masses. Initially, the study simulates crack …

[HTML][HTML] A universal elliptical disc (UED) model to represent natural rock fractures

J Zheng, J Guo, J Wang, H Sun, J Deng, Q Lv - International Journal of …, 2022 - Elsevier
Since natural fractures are often non-equidimensional, the circular disc model still has great
limitations. By contrast, the elliptical disc model is more applicable to representing natural …

Size and stress gradient effects on fracture around cavities

BJ Carter - Rock Mechanics and Rock Engineering, 1992 - Springer
The effect of hole size on fracture initiation around cavities in rock is examined through
physical model tests on Tyndall limestone. Twenty five models, employing nine different hole …

[图书][B] Characterization, modeling, monitoring, and remediation of fractured rock

National Academies of Sciences, Division on Earth… - 2020 - books.google.com
Fractured rock is the host or foundation for innumerable engineered structures related to
energy, water, waste, and transportation. Characterizing, modeling, and monitoring fractured …

Quantitative identification of mesoscopic failure mechanism in granite by deep learning method based on SEM images

D Li, Z Liu, Q Zhu, C Zhang, P Xiao, J Ma - Rock Mechanics and Rock …, 2023 - Springer
Tensile and shear fractures are fundamental brittle fractures that are usually observed in
rock failure processes. Investigating the mesoscopic morphology of shear and tensile …