• Thermo-physical rock properties and the impact of ...

    2015-4-29 · The thermo-physical rock properties density, porosity, matrix permeability, thermal conductivity and specific heat capacity of 418 orientated rock plugs cut from 233 cores recovered from geothermal investigation wells THM12, THM13, THM14, THM17, THM18, THM19, and TH18 at the Tauhara geothermal field, New Zealand were measured and a statistical database was …Uni Trier: PublikationenSymp. on Rock Stress and Rock Stress Measurements, 45-53, (Stockholm). Baumann, H. (1986): Der Hohenzollerngraben - Wirkung einer tiefreichenden Störung auf das regionale Spannungsfeld. Berichtsband 1984-1986 des SFB-108 "Spannung und Spannungsumwandlung in der Lithosphäre", 14 S., (Karlsruhe).

  • Jan Stafleu | TNO

    Jan Stafleu, TNO - Geological Survey of the Netherlands, Geomodelling Department, Department Member. Studies Geology, Geomodelling, and Geostatistics. From December 2006 to present: Developing three-dimensional geological subsurface models of theOur Members | Institute Of Infectious Disease and ...2022-1-8 · The Institute comprises 33 Full and 14 Associate Members, with 16 Affiliate Members from departments within the University of Cape Town, and 17 Adjunct Members based nationally or internationally.

  • (PDF) A crustal-scale cross-section through the Tauern ...

    Here, we compile major-and trace-element whole-rock data, including B contents, and 10/11 B-isotope ratios from the Permo-Triassic metasedimentary cover of the Pfitsch-Mörchner basin, overlying ...Upscaling thermal conductivities of sedimentary …2015-11-1 · Box–Whisker plots (after Tukey, 1977) of the thermal conductivity of different sedimentary rock types, illustrating the variability both in between different rock types as well as for one rock type. The Box is defined by the first and third quartile, the line inside the box is the median, the length of the whiskers is limited to 1.5 times of ...

  • (PDF) Thermo-physical rock properties and the impact of ...

    Thermo-physical rock properties and the impact of advancing hydrothermal alteration — A case study from the Tauhara geothermal field, New Zealand. Journal of Volcanology and Geothermal Research, 2015. Philipp Mielke. Greg Bignall. Philipp Mielke.(PDF) Potential for deep geological sequestration of CO2 ...Potential for deep geological sequestration of CO2 in Switzerland: a first appraisal. Swiss Journal of Geosciences, 2010. Larryn Diamond

  • Hydraulic fracturing in a sedimentary geothermal reservoir ...

    For petroleum source rock at a large burial depth, the kerogen would decompose into less dense hydrocarbons (i.e., gas and oil), leading to fluid-driven fracturing of the host rock due to rapid .. finition and characterization of faults and fault rocks ...Based on the lithology, the hydraulic conductivity of rocks can be assinged as follows: igneous rock with K ranging 6.8x10-8 – 1.9x10-7 m/s, and sedimentary rock with K ranging 2.2x10-8 – 1 ...

  • GeotIS: Publications and results on the projects and ...

    On this page selected (intermediate) results as well as literature are published, which developed in the course of the development of the Geothermal Information System, contain facts about the geothermal energy and which served as basis for the projects.Outcrop analogue studies of rocks from the Northwest ...2013-10-24 · Rock heterogeneities in terms of layering and fault zones are common phenomena in sedimentary basins such as the Northwest German Basin (NWGB). At geothermal projects, these heterogeneous rock properties affect many issues associated with exploration, drilling, and reservoir stimulation. This thesis investigates how high resolution data from outcrop analogues …

  • Potential for deep geological sequestration of CO2 in ...

    2010-11-24 · Possibilities to sequester anthropogenic CO2 in deep geological formations are being investigated worldwide, but the potential within Switzerland has not yet been evaluated. This study presents a first-order appraisal based solely on geological criteria collated from the literature. The Swiss Molasse Basin (SMB) and the adjacent Folded Jura are the only realms …Surface to Groundwater Interactions beneath the City of ...Knowing the thermal and hydraulic conditions below major urban centers is of increasing importance in the context of energy and water supply. With this study, focusing on the major urban center of Berlin, Germany, we aim to gain insights on the coupling of surface water bodies to the subsurface thermal and hydraulic field investigating shallow water to deep groundwater …

  • The 3D conductive thermal field of the North Alpine ...

    2015-9-12 · The North Alpine Foreland Basin. The North Alpine Foreland Basin, also known as the European Molasse Basin, is a Tertiary foreland basin situated in the northern front of the European Alps (Fig. 1).The formation of the basin is closely connected to the closure of the Tethys Ocean and the Alpine orogeny since the Cretaceous (Schmid et al. 2008).With the …Forecast for thermal water use from Upper Jurassic ...2016-3-1 · In Europe, a comparable thermal water reservoir is located in the Paris Basin with a dense configuration of doublets and triplets. In the Paris Basin, which consists of sediments of Triassic to Tertiary age (Bonte et al., 2013), thermal water from Dogger carbonates (1500–1800 m depth) with a mean temperature of 70 °C has, in contrast to the Munich region, only been used …

  • Rock Mechanics in Petroleum Engineering

    2008-2-15 · 1 Rock characterisation and behaviour F. J. Santarelli Rock mechanics characterization of deep formations: 3 A technico-economical overview R. A. Plumb Influence of composition and texture on the failure properties 13 of clastic rocks Influence de la composition et de la texture des roches clastiques sur leurs proprietes a la ruptureStone and mortar in bridges from the Ottoman period in ...2019-7-27 · raćevinar 32018 214 GRAĐEVINAR 70 (2018) 3, 213-224 Naida Ademović, Azra Kurtović 1. Introduction Besides representing basic elements of national infrastructure, bridges are often considered to be significant indicators of

  • Outcrop analogue studies of rocks from the Northwest ...

    2013-10-24 · Rock heterogeneities in terms of layering and fault zones are common phenomena in sedimentary basins such as the Northwest German Basin (NWGB). At geothermal projects, these heterogeneous rock properties affect many issues associated with exploration, drilling, and reservoir stimulation. This thesis investigates how high resolution data from outcrop analogues …Thermo-physical rock properties and the impact of ...2015-4-29 · The thermo-physical rock properties density, porosity, matrix permeability, thermal conductivity and specific heat capacity of 418 orientated rock plugs cut from 233 cores recovered from geothermal investigation wells THM12, THM13, THM14, THM17, THM18, THM19, and TH18 at the Tauhara geothermal field, New Zealand were measured and a statistical database was …

  • Outcrop analogue studies of rocks from the Northwest ...

    maximum aperture is similar for both rock types, the percentage of fractures with large apertures is much higher in the damage zones. In carbonate rocks, damage zone fractures may differ significantly in orientation from that in the host rocks. In clastic rocks, fractures show a similar orientation in both fault damage zones and host rocks.Geochemistry, Hydraulic Connectivity and Quality …2018-1-3 · This study assessed the geochemistry and quality of groundwater in the Hongdunzi coal mining area in northwest China and investigated the mechanisms governing its hydrogeochemistry and the hydraulic connectivity between …

  • China Zdy1000g All Hydraulic Splitting Rigs for ...

    China Zdy1000g All Hydraulic Splitting Rigs for Underground Coal Mines, Find details about China Splitting Rigs, Coring Rig for Coal from Zdy1000g All Hydraulic Splitting Rigs for Underground Coal Mines - Qingdao Grandplan Technology Co., Ltd.Percolation model for dilatancy-induced permeability of ...The mudstone has bedding and clastic texture while the gypsum is crystalized. The permeability evolution in triaxial compression test after the sample failure increases up to two orders of magnitude for mudstone, while the permeability for gypsum does not increase and the final permeability is even lower than the initial permeability.

  • COVID-19 Resources | Institute Of Infectious Disease and ...

    2022-1-7 · The New England Journal of Medicine provides a collection of articles and other resources on the Coronavirus (Covid-19) outbreak, including clinical reports, management guidelines, and commentary.; The Lancet has created a Coronavirus Resource Centre with content from across its journals - as it is published.; Nature has granted free to access to the …Jan Stafleu | TNO - Geological Survey of the Netherlands ...Jan Stafleu, TNO - Geological Survey of the Netherlands, Geomodelling Department, Department Member. Studies Geology, Geomodelling, and Geostatistics. From December 2006 to present: Developing three-dimensional geological subsurface models of the

  • The 3D conductive thermal field of the North Alpine ...

    2015-9-12 · The North Alpine Foreland Basin. The North Alpine Foreland Basin, also known as the European Molasse Basin, is a Tertiary foreland basin situated in the northern front of the European Alps (Fig. 1).The formation of the basin is closely connected to the closure of the Tethys Ocean and the Alpine orogeny since the Cretaceous (Schmid et al. 2008).With the …Probability of success studies for geothermal projects in ...2020-1-1 · Für die Geothermie wichtige hydraulische Parameter von Gesteinen des Valangin und der Bückeberg-Formation (Wealden) in Nordwestdeutschland Zeitschrift der Deutschen Gesellschaft für Geowissenschaften, 165 ( 2014 ), pp. 455 - 467, 10.1127/1860-1804/2014/0077

  • Geothermal reservoir characteristics of Meso

    To predict the effect of hydrothermal alteration on rock properties a database detailing hydrother-mal alteration, matrix permeability, porosity, rock strength and thermo-physical parameters (e.g ...Outcrop analogue studies of rocks from the Northwest ...2013-10-24 · Rock heterogeneities in terms of layering and fault zones are common phenomena in sedimentary basins such as the Northwest German Basin (NWGB). At geothermal projects, these heterogeneous rock properties affect many issues associated with exploration, drilling, and reservoir stimulation. This thesis investigates how high resolution data from outcrop analogues …

  • Percolation model for dilatancy-induced permeability of ...

    The mudstone has bedding and clastic texture while the gypsum is crystalized. The permeability evolution in triaxial compression test after the sample failure increases up to two orders of magnitude for mudstone, while the permeability for gypsum does not increase and the final permeability is even lower than the initial permeability.Potential for deep geological sequestration of CO2 in ...2010-11-24 · Possibilities to sequester anthropogenic CO2 in deep geological formations are being investigated worldwide, but the potential within Switzerland has not yet been evaluated. This study presents a first-order appraisal based solely on geological criteria collated from the literature. The Swiss Molasse Basin (SMB) and the adjacent Folded Jura are the only realms …

  • Probability of success studies for geothermal projects in ...

    2020-1-1 · Für die Geothermie wichtige hydraulische Parameter von Gesteinen des Valangin und der Bückeberg-Formation (Wealden) in Nordwestdeutschland Zeitschrift der Deutschen Gesellschaft für Geowissenschaften, 165 ( 2014 ), pp. 455 - 467, 10.1127/1860-1804/2014/0077Outcrop analogue studies of rocks from the Northwest ...2013-10-24 · Rock heterogeneities in terms of layering and fault zones are common phenomena in sedimentary basins such as the Northwest German Basin (NWGB). At geothermal projects, these heterogeneous rock properties affect many issues associated with exploration, drilling, and reservoir stimulation. This thesis investigates how high resolution data from outcrop analogues …

  • Modeling, simulation, and optimization of geothermal ...

    2020-9-2 · Geothermal district heating development has been gaining momentum in Europe with numerous deep geothermal installations and projects currently under development. With the increasing density of geothermal wells, questions related to the optimal and sustainable reservoir exploitation become more and more important. A quantitative understanding of the complex …Surface to Groundwater Interactions beneath the City of ...Knowing the thermal and hydraulic conditions below major urban centers is of increasing importance in the context of energy and water supply. With this study, focusing on the major urban center of Berlin, Germany, we aim to gain insights on the coupling of surface water bodies to the subsurface thermal and hydraulic field investigating shallow water to deep groundwater …

  • Rock Mechanics in Petroleum Engineering

    2008-2-15 · 1 Rock characterisation and behaviour F. J. Santarelli Rock mechanics characterization of deep formations: 3 A technico-economical overview R. A. Plumb Influence of composition and texture on the failure properties 13 of clastic rocks Influence de la composition et de la texture des roches clastiques sur leurs proprietes a la ruptureImpacts of Aquitard Properties on an Overlying ...2020-1-1 · The fractured rock aquifers above the coal seam are composed mainly of multilayer coarse- and fine-grained sandstones, in which the water-bearing space is dominated by sandstone fractures. This aquifer has a water level of + 864.92 to + 914.52 m, and its specific yield is 0.0556–0.253 L/(s m).

  • Rock Mechanics in Petroleum Engineering

    2008-2-15 · 1 Rock characterisation and behaviour F. J. Santarelli Rock mechanics characterization of deep formations: 3 A technico-economical overview R. A. Plumb Influence of composition and texture on the failure properties 13 of clastic rocks Influence de la composition et de la texture des roches clastiques sur leurs proprietes a la ruptureSearch: Leibniz-Institut für Angewandte Geophysik - LIAGSearch results. 4039 records found. Gravity as a tool to improve the hydrologic mass budget in karstic areas. - Hydrology and Earth System Sciences (HESS), 25: 6001-6021.

  • Hydrochemical properties of deep carbonate aquifers in …

    2014-10-30 · The Upper Jurassic (Malm) limestone and the Middle Triassic Muschelkalk limestone 18 are the major thermal aquifers in the southwest German alpine foreland. The aquifers 19 are of interest for production of geothermal energy and for balneological purposes. Hydrochemical data from several hundred wells within two deep limestone aquifers in the …Rock Mechanics in Petroleum Engineering2008-2-15 · 1 Rock characterisation and behaviour F. J. Santarelli Rock mechanics characterization of deep formations: 3 A technico-economical overview R. A. Plumb Influence of composition and texture on the failure properties 13 of clastic rocks Influence de la composition et de la texture des roches clastiques sur leurs proprietes a la rupture

  • (PDF) Probability of success studies for geothermal ...

    In the realisation of a geothermal project, an important step is the quantification of the geological risk of a well not achieving the economically necessary cutoff values with respect to temperature and flowrate/drawdown. In this paper, we present aThe interplay of Malm carbonate permeability, gravity ...2021-10-28 · The Molasse Basin in Southern Germany is part of the North Alpine Foreland Basin and hosts the largest accumulation of deep geothermal production fields in Central Europe. Despite the vast development of geothermal energy utilization projects especially in the Munich metropolitan region, the evolution of and control factors on the natural geothermal field, more …

  • Events at the IDM | Institute Of Infectious Disease and ...

    2022-1-8 · Events and seminars hosted and/or organised by the IDM are indexed on the respective IDM calendars. Kindly note certain events may require an R.S.V.P or registration.EJ201 and EJ202 Subaru Engines - australiancar.reviewsSThe Subaru EJ201 and EJ202 were 2.0-litre horizontally-opposed (or ''boxer'') four-cylinder petrol engines. Replacing the EJ20 Phase I engine, the EJ201 and EJ202 were members of Subaru''s EJ Phase II engine family which introduced …

  • Hydrochemical properties of deep carbonate aquifers in …

    2014-10-30 · The Upper Jurassic (Malm) limestone and the Middle Triassic Muschelkalk limestone 18 are the major thermal aquifers in the southwest German alpine foreland. The aquifers 19 are of interest for production of geothermal energy and for balneological purposes. Hydrochemical data from several hundred wells within two deep limestone aquifers in the …Permeability prediction based on fractal pore‐space ...2019-7-23 · The resulting expressions for the different rock types are calibrated to a comprehensive data set of petrophysical and petrographical rock properties measured on 640 sandstone core samples of the Rotliegend Series (Lower Permian) in northeastern Germany. ... W., 1995, Hydraulische Untersuchungen an Sediment‐ und Kristallingesteinen unter ...

  • Probability of success studies for geothermal projects in ...

    2020-1-1 · 1. Introduction. Geothermal energy provides base-load capable renewable energy not only for electricity but also for district heating. In many countries such as Italy, New Zealand and USA, the advantages geothermal energy offers have been exploited for many years with regard to the electricity production (e.g. Aneke and Menkiti, 2016).However, geothermal installations for …(PDF) Probability of success studies for geothermal .. the realisation of a geothermal project, an important step is the quantification of the geological risk of a well not achieving the economically necessary cutoff values with respect to temperature and flowrate/drawdown. In this paper, we present a

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