Hydraulic stimulation strategies in enhanced geothermal systems (EGS): a review

Y Jia, CF Tsang, A Hammar, A Niemi - Geomechanics and Geophysics for …, 2022 - Springer
In enhanced geothermal systems (EGS), the natural permeability of deep rocks is normally
not high enough and needs to be increased. Permeability increase can be achieved through …

[HTML][HTML] Laboratory experiments on fault behavior towards better understanding of injection-induced seismicity in geoenergy systems

Y Ji, H Hofmann, K Duan, A Zang - Earth-Science Reviews, 2022 - Elsevier
Induced seismicity associated with fluid injection into underground formations jeopardizes
the sustainable utilization of the subsurface. Understanding the fault behavior is the key to …

Mechanical properties of shale-gas reservoir rocks—Part 2: Ductile creep, brittle strength, and their relation to the elastic modulus

H Sone, MD Zoback - Geophysics, 2013 - library.seg.org
We studied the elastic moduli, ductile creep behavior, and brittle strength of shale-gas
reservoir rocks from Barnett, Haynesville, Eagle Ford, and Fort St. John shale in a series of …

A shear constitutive model and experimental demonstration considering dual void portion and solid skeleton portion of rock

J **n, Q Jiang, Q Liu, H Zheng, S Li - Engineering Fracture Mechanics, 2023 - Elsevier
Shear deformation and break is a typical failure phenomenon of engineering rock. Building
a constitutive model for rock shearing behaviors is a key issue in stability assessment of …

Frictional properties of shale reservoir rocks

AH Kohli, MD Zoback - Journal of geophysical research: solid …, 2013 - Wiley Online Library
We performed laboratory friction experiments on shale samples from three hydrocarbon
reservoirs to assess compositional controls on fault slip behavior accompanying hydraulic …

Low strength of deep San Andreas fault gouge from SAFOD core

DA Lockner, C Morrow, D Moore, S Hickman - Nature, 2011 - nature.com
Abstract The San Andreas fault accommodates 28–34 mm yr− 1 of right lateral motion of the
Pacific crustal plate northwestward past the North American plate. In California, the fault is …

Acoustic emissions document stress changes over many seismic cycles in stick‐slip experiments

TH W. Goebel, D Schorlemmer… - Geophysical …, 2013 - Wiley Online Library
The statistics of large earthquakes commonly involve large uncertainties due to the lack of
long‐term, robust earthquake recordings. Small‐scale seismic events are abundant and can …

Laboratory study on fluid‐induced fault slip behavior: The role of fluid pressurization rate

L Wang, G Kwiatek, E Rybacki… - Geophysical …, 2020 - Wiley Online Library
Understanding the physical mechanisms governing fluid‐induced fault slip is important for
improved mitigation of seismic risks associated with large‐scale fluid injection. We …

Geodetic imaging of shallow creep along the **anshuihe fault and its frictional properties

X Qiao, Y Zhou - Earth and Planetary Science Letters, 2021 - Elsevier
The **anshuihe fault is one of the most tectonically active faults in the eastern Tibetan
plateau. Understanding its slip behaviour and frictional properties is essential for …

Fault rock heterogeneity can produce fault weakness and reduce fault stability

JD Bedford, DR Faulkner, N Lapusta - Nature Communications, 2022 - nature.com
Geological heterogeneity is abundant in crustal fault zones; however, its role in controlling
the mechanical behaviour of faults is poorly constrained. Here, we present laboratory friction …