Zobrazeno 1 - 10
of 160
pro vyhledávání: '"Günter Zimmermann"'
Publikováno v:
Geothermal Energy, Vol 12, Iss 1, Pp 1-29 (2024)
Abstract Low injectivity is often experienced in geothermal doublets installed in sandstone reservoirs. This even led to a shutdown of the Mezőberény (Hungary) geothermal site. An on-site campaign was carried out in January 2021 to prepare a stimul
Externí odkaz:
https://doaj.org/article/ad62b79a3ab24191855cf5368dfb120f
Publikováno v:
Deep Underground Science and Engineering, Vol 2, Iss 4, Pp 394-405 (2023)
Abstract Post shut‐in seismic events in enhanced geothermal systems (EGSs) occur predominantly at the outer rim of the co‐injection seismic cloud. The concept of postinjection fracture and fault closure near the injection well has been proposed a
Externí odkaz:
https://doaj.org/article/5ebb6b4aa5944be9bf54177c70ad083c
Autor:
Arno Zang, Günter Zimmermann, Hannes Hofmann, Peter Niemz, Kwang Yeom Kim, Melvin Diaz, Li Zhuang, Jeoung Seok Yoon
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-16 (2021)
Abstract The ability to control induced seismicity in energy technologies such as geothermal heat and shale gas is an important factor in improving the safety and reducing the seismic hazard of reservoirs. As fracture propagation can be unavoidable d
Externí odkaz:
https://doaj.org/article/41bddbd71b4144b1a0eabbd47bfab1cc
Autor:
Sophia Morawietz, Oliver Heidbach, Karsten Reiter, Moritz Ziegler, Mojtaba Rajabi, Günter Zimmermann, Birgit Müller, Mark Tingay
Publikováno v:
Geothermal Energy, Vol 8, Iss 1, Pp 1-39 (2020)
Abstract Knowledge of the crustal stress state is important for the assessment of subsurface stability. In particular, stress magnitudes are essential for the calibration of geomechanical models that estimate a continuous description of the 3-D stres
Externí odkaz:
https://doaj.org/article/b0b73e8b374c4493980881dad350cff3
Publikováno v:
Geothermal Energy, Vol 6, Iss 1, Pp 1-33 (2018)
Abstract Hydraulic stimulation treatments are standard techniques to access geologic resources which cannot economically be exploited with conventional methods. Fluid injection into unproductive formations may increase their permeability by forming n
Externí odkaz:
https://doaj.org/article/f9fe0f67336b4d8e925d2d1e12b58386
Publikováno v:
Geothermal Energy, Vol 7, Iss 1, Pp 1-2 (2019)
After publication of the article [1], it has been brought to our attention that there is an error in Figure 7. Instead of the “2” in the first row of the green and yellow stages of the traffic light system it should be a “3”. The corrected fi
Externí odkaz:
https://doaj.org/article/e8b2bdc838eb4a41a3e3f7892745f177
Autor:
Yinlin Ji, Wei Zhang, Hannes Hofmann, Yuedu Chen, Christian Kluge, Arno Zang, Günter Zimmermann
Publikováno v:
Geophysical Journal International
SUMMARY Fault zones often serve as the major fluid pathways in a variety of geo-energy systems, such as deep geothermal systems. However, injection-induced instability of faults can sometimes lead to large-magnitude earthquakes. Cyclic injection has
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e02f73ab4d8f172a4cfc007c2c135619
https://doi.org/10.1093/gji/ggac416
https://doi.org/10.1093/gji/ggac416
Publikováno v:
Acta Geotechnica
This study investigates numerically several hydraulic fracturing experiments that were performed on intact cubic Pocheon granite samples applying different injection protocols. The goal of the laboratory experiments is to test the concept of cyclic s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7080f09f2afde1cf5989991f3406d0e5
https://doi.org/10.1007/s11440-022-01648-9
https://doi.org/10.1007/s11440-022-01648-9
Autor:
Carolin Boese, Georg Dresen, Jochem Kück, Marco Bohnhoff, Ulrich Harms, Said Kamrani-Mehni, Günter Zimmermann, Ingo Sass, Frank Holzförster
In 2023, the GEOREAL hydraulic stimulation experiment will be conducted at the KTB deep crustal lab in Windischeschenbach/Germany that originated from the Continental Deep Drilling Program of the Federal Republic of Germany (https://www.gfz-potsdam.d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::221c0fb354abdde44747c0ef89c165b3
https://doi.org/10.5194/egusphere-egu23-12721
https://doi.org/10.5194/egusphere-egu23-12721
