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Citation: Geothermal Energy 2023 11:26
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Investigation and evaluation methods of shallow geothermal energy considering the influences of fracture water flow
The energy replenishment and heat convection induced by fracture water flowing through the rock mass impact the shallow geothermal energy occurrence, transfer and storage mechanisms in it. In this article, a s...
Citation: Geothermal Energy 2023 11:25 -
Experimental study on the effect of CO2 storage on the reservoir permeability in a CO2-based enhanced geothermal system
A CO2-based Enhanced Geothermal System (CO2-EGS) has dual benefits of heat extraction and CO2 storage. Mineralization storage of CO2 may reduce reservoir permeability, thereby affecting heat extraction. Solutions...
Citation: Geothermal Energy 2023 11:24 -
Geochemical and H–O–Sr–B isotope signatures of Yangyi geothermal fields: implications for the evolution of thermal fluids in fracture-controlled type geothermal system, Tibet, China
High-temperature hydrothermal systems are mainly distributed in the north–south graben systems of southern Tibet as an important part of the Mediterranean–Tethys Himalayan geothermal belt in mainland China. As...
Citation: Geothermal Energy 2023 11:23 -
Geophysical characteristics of a fault system in the northern Central Range of Taiwan and its applications for geothermal energy exploration
The northern Central Range of Taiwan is a high-potential geothermal region. Since the formations are mainly tight metasandstone and slate, permeable structures associated with faults are commonly considered as...
Citation: Geothermal Energy 2023 11:22 -
Validation of Play Fairway Analysis of the geothermal potential of Camas Prairie, south-central Idaho, by an exploration well
Play Fairway Analysis (PFA) methodology was adapted for geothermal exploration at Camas Prairie, Idaho. Geophysical data, structural and geologic mapping, volcanic rock ages and vent locations, and the distrib...
Citation: Geothermal Energy 2023 11:21 -
Modelling of flow through naturally fractured geothermal reservoirs, Taupō Volcanic Zone, New Zealand
Numerous fractures are observed in fractured geothermal reservoirs on borehole images in the Taupō Volcanic Zone (TVZ), Aotearoa New Zealand. These fractures are necessary to explain the sustained reservoir pe...
Citation: Geothermal Energy 2023 11:20 -
Influence of extreme fracture flow channels on the thermal performance of open-loop geothermal systems at commercial scale
Adequate stewardship of geothermal resources requires accurate forecasting of long-term thermal performance. In enhanced geothermal systems and other fracture-dominated reservoirs, predictive models commonly a...
Citation: Geothermal Energy 2023 11:19 -
Structural control of the graben fault on hydrothermal alteration in the Cerro Pabellón geothermal system (Andean Cordillera, Northern Chile)
This study focuses on hydrothermal alteration in the geothermal reservoir of Cerro Pabellón (Andean Cordillera, Northern Chile). It is based on CP2A and CP5A production wells drilled above a local normal fault...
Citation: Geothermal Energy 2023 11:18 -
Laboratory experiments on the effects of corrosion inhibitor on the mechanical properties of reservoir rock
Geothermal energy production often involves use of corrosion inhibitors. We performed rock mechanical experiments (room temperature; confining pressure of 10/20/30 MPa) on typical reservoir rocks (Bentheim san...
Citation: Geothermal Energy 2023 11:17 -
Operational strategies to alleviate thermal impacts of the large-scale borehole heat exchanger array in Beijing Daxing Airport
Large-scale ground source heat pump (GSHP) systems are increasingly used for space heating and cooling. In comparison with smaller ones, large GSHP systems are often coupled with much more borehole heat exchan...
Citation: Geothermal Energy 2023 11:16 -
Comparison and integration of simulation models for horizontal connection pipes in geothermal bore fields
The heat transfer along horizontal connection pipes in geothermal bore fields can have significant effects and should not be neglected. As practical and design-related applications require simple and efficient...
Citation: Geothermal Energy 2023 11:15 -
The northeastern Algeria hydrothermal system: gravimetric data and structural implication
Citation: Geothermal Energy 2023 11:14 -
Distribution of surface heat flow and effects on the subsurface temperatures in the northern part of Thrace Basin, NW Turkey
The Thrace Basin in northwestern Turkey is a deep Eocene–Oligocene hydrocarbon-bearing sedimentary basin. The basin has potential for geothermal energy utilization in the future due to its favorable geological...
Citation: Geothermal Energy 2023 11:13 -
Parameter identification and range restriction through sensitivity analysis for a high-temperature heat injection test
In order to compensate for the variable mismatch between heat demand and heat production from renewable sources or waste heat, high-temperature aquifer thermal energy storage (HT-ATES) is a promising option. A...
Citation: Geothermal Energy 2023 11:12 -
Quantification of the effect of gas–water–equilibria on carbonate precipitation
The expanding geothermal energy sector still faces performance issues due to scalings in pipes and surface level installations, which require elevated operation pressure levels and costly maintenance. For faci...
Citation: Geothermal Energy 2023 11:11 -
Correction: The impact of hydrothermal alteration on the physiochemical characteristics of reservoir rocks: the case of the Los Humeros geothermal field (Mexico)
Citation: Geothermal Energy 2023 11:10 -
Exergy and exergoenvironmental assessment of a geothermal heat pump and a wind power turbine hybrid system in Shanghai, China
Geothermal heat pumps are one of the most growing and cost-effective renewable energy technologies based on the temperature difference between the ground and the environment. In the cold seasons, the temperatu...
Citation: Geothermal Energy 2023 11:9 -
Experimental study on convective heat transfer of an open-loop borehole heat exchanger
Open-loop borehole heat exchanger (OBHE) is a single well geothermal heat exchanger with an open-loop structure that can realize the geothermal energy extraction without mining the geothermal water. In this pa...
Citation: Geothermal Energy 2023 11:8 -
Cooling-induced permeability enhancement for networks of microfractures in superhot geothermal environments
Recent researches have proposed the use of enhanced geothermal system reservoirs consisting of dense networks of microfractures, created by hydraulic and/or thermal fracturing in superhot/supercritical geother...
Citation: Geothermal Energy 2023 11:7 -
Thermal modeling and simulation of a single-flash geothermal power plant involving non-condensable gas: a case study of Kamojang geothermal field in Garut, West Java, Indonesia
The presence of non-condensable gases (NCGs) in a geothermal fluid disrupts the vacuum process in the condenser, reducing turbine efficiency and decreasing the total power output of the geothermal power plant ...
Citation: Geothermal Energy 2023 11:6 -
Optimized geothermal energy extraction from hot dry rocks using a horizontal well with different exploitation schemes
In the foreseeable future, the geothermal exploitation from hot dry rocks (HDR) using a horizontal well will bear potential. Thus, in-depth studies should be conducted on the selection of injection-production ...
Citation: Geothermal Energy 2023 11:5 -
Exergy analyses and optimization of a single flash geothermal power plant combined with a trans-critical CO2 cycle using genetic algorithm and Nelder–Mead simplex method
Compared with conventional fossil fuel sources, geothermal energy has several advantages. The produced geothermal energy is safe for the environment and suitable for meeting heating power needs. Because the ho...
Citation: Geothermal Energy 2023 11:4 -
Advances in the modeling of the Iberian thermal lithosphere and perspectives on deep geothermal studies
Renewable energy sources are key to achieve the transition toward clean energy system. Among them, the geothermal energy has a production whose effectiveness requires sufficient understanding of the temperatur...
Citation: Geothermal Energy 2023 11:3 -
How temperatures derived from fluid flow and heat transport models impact predictions of deep geothermal potentials: the “heat in place” method applied to Hesse (Germany)
One key aspect in the energy transition is to use the deep geothermal energy stored in sedimentary basins as well as in igneous and metamorphic basement rocks. To estimate the variability of deep geothermal po...
Citation: Geothermal Energy 2023 11:2 -
From pilot knowledge via integrated reservoir characterization to utilization perspectives of deep geothermal reservoirs: the 3D model of Groß Schönebeck (North German Basin)
The Groß Schönebeck site in the North German Basin serves as research platform to study the geothermal potential of deeply buried Permian reservoir rocks and the technical feasibility of heat extraction. The s...
Citation: Geothermal Energy 2023 11:1 -
Permeability anisotropy in sandstones from the Soultz-sous-Forêts geothermal reservoir (France): implications for large-scale fluid flow modelling
The successful exploitation of geothermal reservoirs relies upon the understanding of fluid circulation in the subsurface. However, large-scale fluid flow modelling often assumes that the permeability of the l...
Citation: Geothermal Energy 2022 10:32 -
Correction: Environmental and anthropogenic gravity contributions at the Þeistareykir geothermal field, North Iceland
Citation: Geothermal Energy 2022 10:31 -
Petrophysical characterization, BIB-SEM imaging, and permeability models of tight carbonates from the Upper Jurassic (Malm ß), SE Germany
Tight carbonate rocks are important hydrocarbon and potential geothermal reservoirs, for example, in CO2-Enhanced Geothermal Systems. We report a study of outcrop samples of tectonically undeformed tight carbonat...
Citation: Geothermal Energy 2022 10:30 -
Investigating high permeable zones in non-volcanic geothermal systems using lineament analysis and fault fracture density (FFD): northern Konawe Regency, Indonesia
Indonesia has high geothermal potential comprising 40% of the world’s potential geothermal energy, volcanic and non-volcanic systems. Volcanic systems have witnessed more exploration activities for geothermal ...
Citation: Geothermal Energy 2022 10:29 -
Magnetic and gravity modeling and subsurface structure of two geothermal fields in the UAE
There are two low-enthalpy geothermal systems along the eastern border of the United Arab Emirates: Ain Khatt (Khatt City, Ras Al Khaimah Emirate) and Green Mubazzarah–Ain Faidha (GMAF) (Al-Ain City, Abu Dhabi...
Citation: Geothermal Energy 2022 10:28 -
A novel workflow for geothermal exploration: 3D seismic interpretation of biohermal buildups (Upper Jurassic, Molasse Basin, Germany)
The Upper Jurassic carbonates are the prime target for deep geothermal exploration in the Molasse basin, South Germany. The carbonates have a thickness of over 500m (1640 ft) and consist of two major facies: (...
Citation: Geothermal Energy 2022 10:27 -
Development of a risk assessment tool for deep geothermal projects: example of application in the Paris Basin and Upper Rhine graben
This paper presents the development of a tool to perform risk assessment for deep geothermal projects. The tool is aimed at project developers to help them present their project to local authority, decision-ma...
Citation: Geothermal Energy 2022 10:26 -
Performance of a hybrid heating system based on enhanced deep borehole heat exchanger and solar energy
Deep borehole heat exchanger (DBHE) is a closed loop system without the problem of fluid losses, scale formation and corrosion; however, low rock thermal conductivity limits its performance. Enlightened by dri...
Citation: Geothermal Energy 2022 10:25 -
Potential of low-temperature aquifer thermal energy storage (LT-ATES) in Germany
More than 30% of Germany’s final energy consumption currently results from thermal energy for heating and cooling in the building sector. One possibility to achieve significant greenhouse gas emission savings ...
Citation: Geothermal Energy 2022 10:24 -
Heat storage efficiency, ground surface uplift and thermo-hydro-mechanical phenomena for high-temperature aquifer thermal energy storage
High-temperature aquifer thermal energy storage (HT-ATES) systems can help in balancing energy demand and supply for better use of infrastructures and resources. The aim of these systems is to store high amoun...
Citation: Geothermal Energy 2022 10:23 -
Geothermal resources assessment using temperature–depth relationships in the fault-controlled hydrothermal system of Aristino-Traianoupolis area, Northern Greece
Aristino-Traianoupolis area hosts one of the most significant water-dominated low-temperature geothermal fields in Greece. It is located on the southwestern uplifted margin of the Tertiary Evros Delta molassic...
Citation: Geothermal Energy 2022 10:22 -
Evaluation of closed-loop U-Tube deep borehole heat exchanger in the Basal Cambrian Sandstone formation, Alberta, Canada
Closed-loop deep borehole heat exchanger (DBHE) systems for producing heat from geothermal sources have the advantage that the heat transfer fluid is contained within the loop. In this study, for the first tim...
Citation: Geothermal Energy 2022 10:21 -
The impact of hydrothermal alteration on the physiochemical characteristics of reservoir rocks: the case of the Los Humeros geothermal field (Mexico)
Hydrothermal alteration is a common process in active geothermal systems and can significantly change the physiochemical properties of rocks. To improve reservoir assessment and modeling of high-temperature ge...
Citation: Geothermal Energy 2022 10:20 -
The impact of wind and geothermal energy consumption on economic growth and financial development: evidence on selected countries
The aim of this study is to investigate the impacts of wind and geothermal energy consumption on economic growth and financial development over the period 2016:M1 and 2020:M11. The data obtained from Germany, ...
Citation: Geothermal Energy 2022 10:19 -
Assessment of deep geothermal research and development in the Upper Rhine Graben
Deep geothermal energy represents a key element of future renewable energy production due to its base load capability and the almost inexhaustible resource base. Especially with regard to heat supply, this tec...
Citation: Geothermal Energy 2022 10:18 -
Chelating agents for diluted geothermal brine reinjection
“Blue energy” could be produced by exploiting the large salinity gradient between geothermal fluids and freshwater through a SaltPower system. This study is an attempt to select the most favorable chemicals to...
Citation: Geothermal Energy 2022 10:17 -
Conventional and advanced exergy analysis of a single flash geothermal cycle
In this paper, the inefficiency of the studied energy conversion system is identified to reduce losses and improve performance. A conventional exergy analysis has limitations that it is not able to detect and ...
Citation: Geothermal Energy 2022 10:16 -
Finite element simulation of permeable fault influence on a medium deep borehole thermal energy storage system
Solutions for seasonal energy storage systems are essential for the reliable use of fluctuating renewable energy sources. As part of the research project SKEWS, a medium deep borehole thermal energy storage sy...
Citation: Geothermal Energy 2022 10:15 -
Effect of real-time high temperature and loading rate on mode I fracture toughness of granite
An in-depth understanding of the effect of real-time high temperature and loading rate on the fracture toughness of rocks is highly important for understanding the fracture mechanism of Hot Dry Rock (HDR). Thr...
Citation: Geothermal Energy 2022 10:14 -
Porosity estimation of a geothermal carbonate reservoir in the German Molasse Basin based on seismic amplitude inversion
The Molasse Basin is one of the most promising areas for deep geothermal exploitation in Germany and the target horizon is the aquifer in the Upper Jurassic carbonates. Carbonate deposits can be very heterogen...
Citation: Geothermal Energy 2022 10:13 -
The deeper the better? A thermogeological analysis of medium-deep borehole heat exchangers in low-enthalpy crystalline rocks
The energy sector is undergoing a fundamental transformation, with a significant investment in low-carbon technologies to replace fossil-based systems. In densely populated urban areas, deep boreholes offer an...
Citation: Geothermal Energy 2022 10:12 -
Physical property characterization of the Waipapa greywacke: an important geothermal reservoir basement rock in New Zealand
Greywacke basement rocks in New Zealand host conventional geothermal reservoirs and may supply important hotter and deeper geothermal energy resources in the future. This work combines petrological analyses an...
Citation: Geothermal Energy 2022 10:11 -
The crustal stress field of Germany: a refined prediction
Information about the absolute stress state in the upper crust plays a crucial role in the planning and execution of, e.g., directional drilling, stimulation and exploitation of geothermal and hydrocarbon rese...
Citation: Geothermal Energy 2022 10:10 -
Dissolved organic compounds in geothermal fluids used for energy production: a review
Dissolved organic matter (DOM) can be found in a variety of deep subsurface environments such as sedimentary basins, oil fields and mines. However, the origin, composition and fate of DOM within deep geotherma...
Citation: Geothermal Energy 2022 10:9
Annual Journal Metrics
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2022 Citation Impact
4.2 - 2-year Impact Factor
4.3 - 5-year Impact Factor
1.691 - SNIP (Source Normalized Impact per Paper)
0.971 - SJR (SCImago Journal Rank)2022 Speed
10 days submission to first editorial decision for all manuscripts (Median)
168 days submission to accept (Median)2022 Usage
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- ISSN: 2195-9706 (electronic)