Recent advances and challenges of waveform‐based seismic location methods at multiple scales

L Li, J Tan, B Schwarz, F Staněk, N Poiata… - Reviews of …, 2020 - Wiley Online Library
Source locations provide fundamental information on earthquakes and lay the foundation for
seismic monitoring at all scales. Seismic source location as a classical inverse problem has …

Laboratory hydraulic fracturing experiments on crystalline rock for geothermal purposes

L Zhuang, A Zang - Earth-Science Reviews, 2021 - Elsevier
This article reviews laboratory experimental studies on hydraulic fracturing under triaxial and
true triaxial stress conditions in crystalline rock for geothermal purposes, and places …

Cyclical geothermal unrest as a precursor to Iceland's 2021 Fagradalsfjall eruption

ÓG Flóvenz, R Wang, GP Hersir, T Dahm, S Hainzl… - Nature …, 2022 - nature.com
Understanding and constraining the source of geodetic deformation in volcanic areas is an
important component of hazard assessment. Here, we analyse deformation and seismicity …

How to reduce fluid-injection-induced seismicity

A Zang, G Zimmermann, H Hofmann… - Rock Mechanics and …, 2019 - Springer
The recent growth in energy technologies and the management of subsurface reservoirs has
led to increased human interaction with the Earth's crust. One consequence of this is the …

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 …

Activation rate of seismicity for hydraulic fracture wells in the Western Canada Sedimentary Basin

H Ghofrani, GM Atkinson - Bulletin of the Seismological …, 2020 - pubs.geoscienceworld.org
The rate of M≥ 3 earthquakes associated with hydraulic fracturing (HF) in horizontal wells
(HF wells) in the Western Canada Sedimentary Basin is estimated for the period from 2009 …

[图书][B] Geothermie

I Stober, K Bucher - 2012 - Springer
Die Geothermie bietet eine nahezu unerschöpfliche Quelle zur Wärmebereitstellung und zur
Erzeugung von Strom. Geothermie ist klimaschonend und grundlastfähig. Sie ist …

Investigation of the spatial distribution pattern of 3D microcracks in single-cracked breakage

C Wang, Y Liu, X Hou, D Elmo - … Journal of Rock Mechanics and Mining …, 2022 - Elsevier
The implementation of multi-crack recognition requires a theoretical basis from single-crack
failure results. This study investigates the spatial distribution pattern of microcracks in single …

On the link between stress field and small-scale hydraulic fracture growth in anisotropic rock derived from microseismicity

VS Gischig, J Doetsch, H Maurer, H Krietsch… - Solid Earth, 2018 - se.copernicus.org
To characterize the stress field at the Grimsel Test Site (GTS) underground rock laboratory, a
series of hydrofracturing and overcoring tests were performed. Hydrofracturing was …

Permeability enhancement and fracture development of hydraulic in situ experiments in the Äspö Hard Rock Laboratory, Sweden

G Zimmermann, A Zang, O Stephansson… - Rock Mechanics and …, 2019 - Springer
A new advanced protocol of progressively increased cyclic injection and pulsed injection
design for hydraulic fracturing experiments was implemented at 410 m depth in the Äspö …