Seismic response of hectometer‐scale fracture systems to hydraulic stimulation in the Bedretto Underground laboratory, Switzerland
A Obermann, M Rosskopf, V Durand… - Journal of …, 2024 - Wiley Online Library
We performed a series of hydraulic stimulations at 1.1 km depth in the Bedretto underground
laboratory, Switzerland, as part of an overall research strategy attempting to understand …
laboratory, Switzerland, as part of an overall research strategy attempting to understand …
[HTML][HTML] Permeability evolution during pressure-controlled shear slip in saw-cut and natural granite fractures
Fluid injection into rock masses is involved during various subsurface engineering
applications. However, elevated fluid pressure, induced by injection, can trigger shear slip …
applications. However, elevated fluid pressure, induced by injection, can trigger shear slip …
[HTML][HTML] Lithology-controlled stress variations of Longmaxi shale–Example of an appraisal wellbore in the Changning area
The Longmaxi shale is an extensive, prolific unconventional play in southwestern China. Its
development in the Changning area is affected by ineffective hydraulic fracturing (HF) …
development in the Changning area is affected by ineffective hydraulic fracturing (HF) …
[HTML][HTML] Applications and future developments of the (thermo-) poro-elastic theory in geophysics
Fluids are naturally present in the crust from subsoil to several kilometers deep. The
representation of the Earth's crust as a purely elastic medium ignores the effects of fluids …
representation of the Earth's crust as a purely elastic medium ignores the effects of fluids …
[HTML][HTML] Hydromechanical characterization of a fractured crystalline rock volume during multi-stage hydraulic stimulations at the BedrettoLab
Multi-stage hydraulic stimulation experiments were conducted at the Bedretto Geothermal
Testbed (Switzerland) at a depth of over 1 km to study seismo-hydromechanical processes …
Testbed (Switzerland) at a depth of over 1 km to study seismo-hydromechanical processes …
Estimating the least principal stress in a granitic rock mass: systematic mini-frac tests and elaborated pressure transient analysis
The hydraulic fracturing technique (also termed mini-frac test) is commonly used to estimate
the in situ stress field. We recently conducted a mini-frac stress measurement campaign in …
the in situ stress field. We recently conducted a mini-frac stress measurement campaign in …
[HTML][HTML] Laboratory simulation of fault reactivation by fluid injection and implications for induced seismicity at the BedrettoLab, Swiss Alps
Fluid induced fault reactivation experiments will take place as part of the “Fault Activation
and Earthquake Rupture” project (FEAR) at the BedrettoLab, an underground laboratory for …
and Earthquake Rupture” project (FEAR) at the BedrettoLab, an underground laboratory for …
[HTML][HTML] Recent developments, challenges, and future research directions in tomographic characterization of fractured aquifers
This work reviews various studies of hydraulic and pneumatic tomography for estimation of
flow properties of fractured geologic media with hydraulic and pneumatic tomography. The …
flow properties of fractured geologic media with hydraulic and pneumatic tomography. The …
Aseismic strain localization prior to failure and associated seismicity in crystalline rock
AF Salazar Vásquez, PA Selvadurai, P Bianchi… - Scientific Reports, 2024 - nature.com
Recent laboratory tests and large-scale observations have revealed the complex interplays
between aseismic and seismic deformation, as well as the progressive localization of the …
between aseismic and seismic deformation, as well as the progressive localization of the …
Full-scale loading test of jet grouting in the artificial island–immersed tunnel transition area of the Hong Kong–Zhuhai–Macau Sea link
Abstract In the Hong Kong–Zhuhai–Macau Bridge mega project, several ground treatment
methods were applied in the transition area between the artificial island and immersed tube …
methods were applied in the transition area between the artificial island and immersed tube …