Thematische Bibliographien / Underground water reservoir

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Auswahl der wissenschaftlichen Literatur zum Thema „Underground water reservoir“

Autor: Grafiati

Veröffentlicht am 28. Juni 2021

Zuletzt aktualisiert am 1. Februar 2022

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Zeitschriftenartikel zum Thema "Underground water reservoir"

Jing, Yan Dong, Long Cang Shu, Ming Jiang Deng, Emmanuel Kwame Appiah-Adjei, Shuai Ling Zhang, Xiao Hui Wang und Ping He. „Optimal Operation of Underground Reservoir in Tailan River Basin“. Applied Mechanics and Materials 212-213 (Oktober 2012): 88–98. http://dx.doi.org/10.4028/www.scientific.net/amm.212-213.88.

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Tailan river basin is a typical drought river basin in northwest China where construction of underground reservoirs is approved as an effective way to solve the problem of water resource shortage in the river basin. In order to ensure water supply efficiency of the underground reservoirs of the basin, it is necessary to research their recharge and supply patterns and to optimally operate them. This paper has, therefore, investigated different recharge locations and recharge ways through numerical simulation of underground flow in an underground reservoir area of the basin to explore a typical scheduling plan for optimal operation of the reservoir. The results show that it is better to recharge the reservoir using the flood season recharge approach at the centre of the reservoir area to ensure its continuous operation. Following from this recharge process, the use of a three-well pumping scheme is regarded as the best choice for optimal water supply from the reservoir. Also, the study indicates that for the same recharge amount, if the recharge time is closer to the pumping peak, then there is the more obvious effect of underground level recovery; the recovery is much better if the recharge time is more concentrated.

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Pujades, Estanislao, Philippe Orban, Pierre Archambeau, Vasileios Kitsikoudis, Sebastien Erpicum und Alain Dassargues. „Underground Pumped-Storage Hydropower (UPSH) at the Martelange Mine (Belgium): Interactions with Groundwater Flow“. Energies 13, Nr. 9 (08.05.2020): 2353. http://dx.doi.org/10.3390/en13092353.

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Underground pumped-storage hydropower (UPSH) is a promising technology to manage the electricity production in flat regions. UPSH plants consist of an underground and surface reservoirs. The energy is stored by pumping water from the underground to the surface reservoir and is produced by discharging water from the surface to the underground reservoir. The underground reservoir can be drilled, but a more efficient alternative, considered here, consists in using an abandoned mine. Given that mines are rarely waterproofed, there are concerns about the consequences (on the efficiency and the environment) of water exchanges between the underground reservoir and the surrounding medium. This work investigates numerically such water exchanges and their consequences. Numerical models are based on a real abandoned mine located in Belgium (Martelange slate mine) that is considered as a potential site to construct an UPSH plant. The model integrates the geometrical complexity of the mine, adopts an operation scenario based on actual electricity prices, simulates the behavior of the system during one year and considers two realistic scenarios of initial conditions with the underground reservoir being either completely full or totally drained. The results show that (1) water exchanges may have important consequences in terms of efficiency and environmental impacts, (2) the influence of the initial conditions is only relevant during early times, and (3), an important factor controlling the water exchanges and their consequences may be the relative location of the natural piezometric head with respect the underground reservoir.

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Sudinda, Teddy W. „Analisa Air Bawah Tanah pada Lokasi Tambang Batubara Tanah Laut Kalimantan Selatan“. INDONESIAN JOURNAL OF CONSTRUCTION ENGINEERING AND SUSTAINABLE DEVELOPMENT (CESD) 4, Nr. 1 (30.06.2021): 11. http://dx.doi.org/10.25105/cesd.v4i1.9541.

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<p> </p><p class="BodyAbstract">The impact of coal mining will produce a reservoir due to cutting and excavation from the mined area. If it is left without any effort to improve the environment due to mining it will have an impact on the surrounding environment. Research conducted by the author to determine the effect that occurs with a reservoir due to coal mining in the surrounding area. Based on measurements using the geoelectric method, it can be seen the condition of the soil layer in the reservoir and surrounding areas so that it can be estimated the movement of underground water in the aquifer layer. By using a piezometer around the reservoir it can be seen the change in the level of the underground water level at a certain time and the water level in the reservoir is measured in elevation so that it can be predicted the flow direction that occurs. From the results of the study obtained the underground water level has a greater value than the water level in the reservoir, especially in the rainy season. This activity is the initial stage of the study to determine the effect of the reservoir on underground water conservation. For the next stage measurements are needed throughout the year by installing logers so that data can be recorded automatically digitally and doing model simulations using Modflow software to predict the effect of reservoirs on underground water conservation in the long.</p>

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Sun, Ya, Shi Guo Xu, Ping Ping Kang, Yan Zhao Fu und Tian Xiang Wang. „Impacts of Artificial Underground Reservoir on Groundwater Environment in the Reservoir and Downstream Area“. International Journal of Environmental Research and Public Health 16, Nr. 11 (30.05.2019): 1921. http://dx.doi.org/10.3390/ijerph16111921.

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Artificial underground reservoirs have changed the hydrological cycle from its natural condition. This modification may trigger a series of negative environmental effects both at the local and regional levels. This study investigated the impact of the Wanghe artificial underground reservoir on groundwater flow and quality in the reservoir and its downstream area. Wanghe is a typical artificial underground reservoir scheme in China, which assumes the dual function of fresh-water preservation and control of seawater intrusion. The groundwater flow pattern has changed after the reservoir construction, and the water level in the reservoir rose rapidly. Evaluation of long-term groundwater level fluctuation suggested that the reservoir deprived the downstream aquifer of the runoff, which it received under the natural flow regime. A preliminary isotopic evaluation using 3H was developed to understand the groundwater flow and renewal rates in the study area. The uniform distribution of tritium levels in the reservoir indicated that the stored water was well-mixed in both horizontal and vertical directions. The intervention on groundwater circulation also made differences in groundwater renewal rates between stored and downstream water. Field investigations on groundwater nitrogen pollution showed that the construction of the artificial underground reservoir resulted in nitrate accumulation in the stored water. Agriculturally derived nitrate was the largest contributor, and NO 3 − concentration varied considerably over time due to fertilization and irrigation activities, rainfall, and denitrification. NO 3 − -N distributed homogeneously in the reservoir, which was attributed to the construction of the subsurface dam, land use pattern and artificial groundwater flow.

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Kitsikoudis, Vasileios, Pierre Archambeau, Benjamin Dewals, Estanislao Pujades, Philippe Orban, Alain Dassargues, Michel Pirotton und Sebastien Erpicum. „Underground Pumped-Storage Hydropower (UPSH) at the Martelange Mine (Belgium): Underground Reservoir Hydraulics“. Energies 13, Nr. 14 (08.07.2020): 3512. http://dx.doi.org/10.3390/en13143512.

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The intermittent nature of most renewable energy sources requires their coupling with an energy storage system, with pumped storage hydropower (PSH) being one popular option. However, PSH cannot always be constructed due to topographic, environmental, and societal constraints, among others. Underground pumped storage hydropower (UPSH) has recently gained popularity as a viable alternative and may utilize abandoned mines for the construction of the lower reservoir in the underground. Such underground mines may have complex geometries and the injection/pumping of large volumes of water with high discharge could lead to uneven water level distribution over the underground reservoir subparts. This can temporarily influence the head difference between the upper and lower reservoirs of the UPSH, thus affecting the efficiency of the plant or inducing structural stability problems. The present study considers an abandoned slate mine in Martelange in Southeast Belgium as the lower, underground, reservoir of an UPSH plant and analyzes its hydraulic behavior. The abandoned slate mine consists of nine large chambers with a total volume of about 550,000 m3, whereas the maximum pumping and turbining discharges are 22.2 m3/s. The chambers have different size and they are interconnected with small galleries with limited discharge capacity that may hinder the flow exchange between adjacent chambers. The objective of this study is to quantify the effect of the connecting galleries cross-section and the chambers adequate aeration on the water level variations in the underground reservoir, considering a possible operation scenario build upon current electricity prices and using an original hydraulic modelling approach. The results highlight the importance of adequate ventilation of the chambers in order to reach the same equilibrium water level across all communicating chambers. For fully aerated chambers, the connecting galleries should have a total cross-sectional area of at least 15 m2 to allow water flow through them without significant restrictions and maintain similar water level at all times. Partially aerated chambers do not attain the same water level because of the entrapped air; however, the maximum water level differences between adjacent chambers remain relatively invariant when the total cross-sectional area of the connecting galleries is greater than 8 m2. The variation of hydraulic roughness of the connecting galleries affects the water exchange through small connecting galleries but is not very influential on water moving through galleries with large cross-sections.

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Yan, B., Y. Xie, C. J. Guo und C. S. Zhao. „Analysis of the impact of Shifosi Reservoir water level on underground water“. Journal of Water and Climate Change 9, Nr. 2 (29.03.2018): 367–82. http://dx.doi.org/10.2166/wcc.2018.057.

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Abstract Shifosi Reservoir is a plain reservoir. High groundwater level in the nearby area caused by impoundment of the reservoir has not only submerged the nearby farmland and village, but also reduced production and affected farmers' living. To analyze the influence of reservoir impoundment on surrounding groundwater level, Visual MODFLOW software was used to simulate the groundwater in Zhujiapu and Chenpingpu areas on the right auxiliary dam of Shifosi Reservoir. Results show that with the rise of the reservoir water level from 45.5 m to 46.2 m and 46.5 m, the area under the critical groundwater table (45 m) in the study area decreased in turn. In 2008, when the reservoir water level was 46.2 m and 46.5 m, the area under the critical groundwater level was reduced by 0.64 km2 and 0.84 km2, respectively, compared with the case of reservoir water level of 45.5 m, and would decrease by 0.38 km2 and 0.45 km2, respectively, by 2022. This indicates that the impact of reservoir impoundment on groundwater level is great. Therefore, relief wells or drainage ditches should be arranged along the auxiliary dam axis to effectively lower the groundwater level, and improve the surrounding ecological environment of the reservoir.

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Pujades, Estanislao, Philippe Orban, Pierre Archambeau, Sebastien Erpicum und Alain Dassargues. „Numerical study of the Martelange mine to be used as underground reservoir for constructing an Underground Pumped Storage Hydropower plant“. Advances in Geosciences 45 (27.07.2018): 51–56. http://dx.doi.org/10.5194/adgeo-45-51-2018.

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Abstract. Underground Pumped Storage Hydropower (UPSH) using abandoned mines has been considered as a potential high capacity Energy Storage Systems. In UPSH plants, the excess of electricity is stored in the form of potential energy by pumping water from an underground reservoir (abandoned mine in this paper) to a surface reservoir, while electricity is produced (when the demand increases) discharging water from the surface into the underground reservoir. The main concerns may arise from the water exchanges occurring between the underground reservoir and the surrounding medium, which are relevant in terms of environmental impact and UPSH efficiency. Although the role of the water exchanges has been previously addressed, most studies are based on synthetic models. This work focuses on a real abandoned slate mine located in Martelange (Belgium). The effects of different rehabilitation works to prepare the mine as an underground reservoir are assessed in terms of groundwater exchanges and their associated consequences.

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Feyzullayev, A. A., und A. G. Gojayev. „Influence of geological reservoir heterogeneity on exploitation conditions of Garadagh field / underground gas storage (Azerbaijan)“. Gornye nauki i tekhnologii = Mining Science and Technology (Russia) 6, Nr. 2 (14.07.2021): 105–13. http://dx.doi.org/10.17073/2500-0632-2021-2-105-113.

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Underground oil and gas reservoirs (formations) are characterized by spatial variability of their structure, material composition and petrophysical properties of its constituent rocks: particle size distribution, porosity, permeability, structure and texture of the pore space, carbonate content, electrical resistivity, oil and water saturation and other properties. When assessing development and exploitation conditions for underground gas storages, created in depleted underground oil and gas reservoirs, the inherited nature of the reservoir development should be taken into account. Therefore, identifying the features of variations in well productivity is a crucial task, solution of which can contribute to the creation of more efficient system for underground gas storage exploitation. The paper presents the ﬁndings of comparative analysis of spatial variations in well productivity during the exploitation of the Garadagh underground gas storage (Azerbaijan), created in the depleted gas condensate reservoir. An uneven nature of the variations in well productivity was established, which was connected with the reservoir heterogeneity (variations in the reservoir lithological composition and poroperm properties). The research was based on the analysis of spatial variations of a number of reservoir parameters: the reservoir net thickness, lithological composition and poroperm properties. The analysis of variations in the net thickness and poroperm properties of the VII horizon of the Garadagh gas condensate ﬁeld was carried out based on the data of geophysical logging of about 40 wells and studying more than 90 core samples. The data on of more than 90 wells formed the basis for the spacial productivity variation analysis. The analysis of productivity variation in the space of well technological characteristics (based on data from 18 wells) in the Garadagh underground gas storage (UGS) was carried out through the example of the volume of cyclic gas injection and withdrawal in 2020–2021 season. The studies allowed revealing non-uniform spacial variations in the volumes of injected and withdrawn gas at the Garadagh UGS, created in the corresponding depleted gas condensate reservoir. The features of the UGS exploitation conditions are in good agreement with the features of the reservoir development conditions (variations in the well productivity). The inherited nature of the reservoir development and the underground gas storage exploitation is substantiated by the reservoir heterogeneity caused by the spatial variability of the reservoir lithological composition and poroperm properties. Assessing and taking into account the reservoir heterogeneity when designing underground gas storage exploitation conditions should be an important prerequisite for increasing UGS exploitation efficiency.

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Kurchikov, A. R., und M. V. Vashurina. „ASPECTS OF ECOLOGY SAFETY AT OPERATING THE FRESH GROUND WATERS INTAKE FACILITIES FOR RESERVOIR PRESSURE MAINTENANCE PURPOSES IN OIL FIELDS OF WEST SIBERIA“. Oil and Gas Studies, Nr. 1 (28.02.2016): 21–27. http://dx.doi.org/10.31660/0445-0108-2016-1-21-27.

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The aspects of ecology safety related to operation of underground fresh waters intake facilities aimed at maintenance of reservoir pressure at development of oil fields are discussed in the article. When speaking about a change of the fresh underground waters state in the process of their use the authors imply the produced water quality degradation (pollution of productive water-bearing intervals); lowering of the water level in the reservoir (damage of hydrodynamic conditions, depression cone formation). The main, most significant factors determining the change, mentioned above, include inadequacy to meet the normative requirements toward the technical condition of wells of different purposes and the adjacent territory, absence of systematic control of the produced water quality and the impact of the produced fluid (water, oil, gas) quantity on the level conditions of the underground fresh waters. The suggested ways for optimization of these factors and the methods of control will permit to improve the ecology safety of the discussed above waters use.

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Cao, Jie, Baoyuan Yuan und Yun Bai. „Simulation Study on Image Characteristics of Typical GPR Targets in Water Conservancy Projects“. Geofluids 2021 (16.03.2021): 1–13. http://dx.doi.org/10.1155/2021/5550620.

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With the development of the global economy, the deep leakage of reservoirs is still a serious threat to the foundation construction of key water conservancy projects such as dam foundations and bridges. Ground penetrating radar (GPR) is an effective underground imaging and detection technology. In this paper, the Groundvue series of ground penetrating radars is introduced in Britain using the 948 project fund of the Ministry of Water Resources. It is a radar with the lowest frequency in the world at present, improving detection depths and helping to ensure the reliability of a reservoir dam’s foundation. Through a large number of field tests, simulation experiments, FDTD numerical simulations, and practical engineering applications, this paper summarizes the reservoir leakage analysis method based on the Groundvue radar. The successful application at the Nanmenxia Reservoir shows that this method can effectively detect the location and path of reservoir leakage and provide technical support for the design and construction of a reservoir reinforcement project.

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Dissertationen zum Thema "Underground water reservoir"

Gomboš, Michal. „Vodojemy - Brno, Žlutý kopec“. Master's thesis, Vysoké učení technické v Brně. Fakulta architektury, 2021. http://www.nusl.cz/ntk/nusl-451226.

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After successfully avoiding of the destructive scenario with the demolition of reservoirs and replacing them with parking house, the second question arises. How to stimulate the people's interest in these underground jewels, the interest that would confirm the decision to save reservoirs. One of the possible ways, in which I see a purpose and the one that I decided to chose is to make the reservoirs accessible alongside the pathway and let the natural curiosity of human to do the rest.

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Lee, Ka-kwok Algy. „Geological model for the proposed underground tunnel salt water reservoirs at Lung Fu Shan“. Click to view the E-thesis via HKUTO, 2008. http://sunzi.lib.hku.hk/hkuto/record/B40722429.

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李家國 und Ka-kwok Algy Lee. „Geological model for the proposed underground tunnel salt water reservoirs at Lung Fu Shan“. Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2008. http://hub.hku.hk/bib/B40722429.

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Bayagbon, Anthony Mamurhomu. „Impact assessment of the environmental protection policies in the upstream oil industry in Nigeria / A.M. Bayagbon“. Thesis, North-West University, 2011. http://hdl.handle.net/10394/6276.

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The need for energy and the associated economic benefits from the oil and gas deposits found mainly in the Niger Delta region of Nigeria necessitated the exploration and exploitation activities being carried out by the oil and gas Companies. However, these exploration and exploitation activities due to their unpredictable nature have a huge potential for environmental pollution as been experienced in the form of oil spills, gas flaring, irresponsible disposal of waste and several other activities that have resulted in the environmental degradation of the Niger Delta region. In the light of these, the Federal Government of Nigeria having experienced the consequences of pollution of the environment during the Koko Toxic Waste Dump incident in the then Bendel State in 1987 established a regulatory body tasked with the responsibility of harmonizing the economic interest from the oil and gas exploration and exploitation activities with the sustainability of the natural environment by developing well structured and articulated policies aimed at guiding the operations of the oil and gas operators, track their compliance and administer appropriate punitive measures for non compliance. However, this research work which is aimed at evaluating the impact of the environmental protection policies in upstream oil and gas activities in the Niger Delta region, involved the use of questionnaires and interviews. These questionnaires were completed by the management and staff of three major oil and gas companies operating within the area, the Department of Petroleum Resources and members of the Host communities. The interview was carried out to provide relevant feedback on their assessment of the impact made by the environmental protection policies on the upstream oil and gas activities in their operational areas/host communities. The study however concluded that “Although there is a regulatory body tasked with the responsibility to develop, implement and track compliance of the environmental protection policies in the upstream oil industry, the body is ineffective and as such the impact of the environmental protection policies is inadequate. Appropriate informed recommendations on the improvement strategies to the identified gaps that resulted in the unfavorable conditions were also provided.
Thesis (M.Ing. (Development and Management Engineering))--North-West University, Potchefstroom Campus, 2011

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Bücher zum Thema "Underground water reservoir"

Platov, Nikolay. Fundamentals of engineering Geology. ru: INFRA-M Academic Publishing LLC., 2021. http://dx.doi.org/10.12737/1091050.

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The theoretical and practical foundations of engineering geology, the geological structure and origin of the Earth are described, the minerals of rocks and the rocks themselves of igneous, sedimentary and metamorphic origin are considered. Considerable attention is paid to the geomorphological, geodynamic, and hydrogeological conditions of the construction site with the allocation of three types of underground water: upper water, ground water, and inter-reservoir. The dynamics of the development of various forms of relief caused by endogenous and exogenous processes is given. The zonal elements of engineering and geological conditions of any construction site are given. Meets the requirements of the federal state educational standards of secondary vocational education of the latest generation. For students of secondary vocational education institutions studying engineering geology.

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Senter, Eric. Ground water storage capacity of a portion of the East Bay Plain, Alameda County, California. [Sacramento]: Dept. of Water Resources, Central District, 1994.

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Lichner, Marián. Banskoštiavnické tajchy. Banská Štiavnica: Harmony, 1997.

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Takasaki, K. J. Evaluation of major dike-impounded ground-water reservoirs, Island of Oahu. Washington: US GPO, 1985.

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Serebryakov, Andrey, und Gennadiy Zhuravlev. Exploitation of oil and gas fields by horizontal wells. ru: INFRA-M Academic Publishing LLC., 2021. http://dx.doi.org/10.12737/971768.

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The textbook describes the design features of offshore horizontal multi-hole production wells, as well as the bottom-hole components of horizontal multi-hole wells. The classification of complications of multi-hole horizontal wells, methods of their prevention and elimination are given. Methods of underground geonavigation of the development of offshore horizontal production wells are proposed. The geological and field bases of operation of horizontal offshore multi-hole oil and gas wells, modes and dynamics of oil, gas and associated water production, methods for calculating dynamic bottom-hole and reservoir pressures are specified. The technologies of operation of offshore horizontal multi-hole wells are presented. The composition and scope of environmental, field and research marine monitoring of the operation of offshore horizontal multi-hole wells and the protection of the marine environment in the production of oil and gas are justified. Meets the requirements of the federal state educational standards of higher education of the latest generation. It is intended for undergraduates of the enlarged group of "Earth Sciences" training areas, as well as for teachers, employees of the fuel and energy complex, industrial geological exploration and oil and gas production enterprises, scientific and design organizations.

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New Jersey. Legislature. Senate. Budget and Appropriations Committee. Public hearing before Senate Budget and Appropriations Committee: Senate committee substitute for Senate concurrent resolution nos. 41 and 60 of 1996 : amends Constitution to dedicate 4 percent of corporation business tax revenues to fund hazardous discharge cleanup, underground storage tank improvements, and surface water quality projects. Trenton, N.J: Office of Legislative Services, Public Information Office, Hearing Unit, 1996.

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1937-, Waddell K. M., und Geological Survey (U.S.), Hrsg. Review of water demand and utilization studies for the Provo River drainage basin, and review of a study of the effects of the proposed Jordanelle reservoir on seepage to underground mines, Bonneville Unit of the Central Utah Project. Salt Lake City, Utah: U.S. Geological Survey, 1991.

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F, Crozes Gil, AWWA Research Foundation und American Water Works Association, Hrsg. Improving clearwell design for CT compliance. [Denver]: AWWA Research Foundation and American Water Works Association, 1999.

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(Editor), Gil F. Crozes, James P. Hagstrom (Editor), Mark M. Clark (Editor), Joel Ducoste (Editor) und Catherine Burns (Editor), Hrsg. Improving Clearwell Design for Ct Compliance. Amer Water Works Assn, 1998.

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Buchteile zum Thema "Underground water reservoir"

Vladut, Thomas. „Reservoir Induced Seismicity: Twenty Years of Research Associated with Water Storage Impoundment and Operations.“ In Earthquakes Induced by Underground Nuclear Explosions, 375–82. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-57764-2_29.

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Rastogi, B. K. „Correlation of Filling History with Seismicity Near Artificial Water Reservoirs“. In Earthquakes Induced by Underground Nuclear Explosions, 343–52. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-57764-2_27.

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Masihi, Mohsen, und Peter R. „Percolation Approach in Underground Reservoir Modeling“. In Water Resources Management and Modeling. InTech, 2012. http://dx.doi.org/10.5772/36458.

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Ma, Ji-Ye, Jia-Quan Wang, Jia-Zhong Qian und Xiao-Guang Ge. „An underground reservoir supplied with Huanghe River water“. In Research Basins and Hydrological Planning, 149–53. Taylor & Francis, 2004. http://dx.doi.org/10.1201/9781439833858.ch20.

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Swyngedouw, Erik. „The City in a Glass of Water: Circulating Water, Circulating Power“. In Social Power and the Urbanization of Water. Oxford University Press, 2004. http://dx.doi.org/10.1093/oso/9780198233916.003.0013.

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In recent years, an impressive body of work has emerged in the wake of the resurgence of the environmental question on the political agenda, addressing the environmental implications of urban change or issues related to urban sustainability (Haughton and Hunter 1994; Satterthwaite 1999). In many, if not all, of these cases, the environment is defined in terms of a set of ecological criteria pertaining to the physical milieu. Both urban sustainability and the environmental impacts of the urban process are primarily understood in terms of physical environmental conditions and characteristics. We start from a different position. As explored in Chapter 1, urban water circulation and the urban hydrosocial cycle are the vantage points from which the urbanization process will be analysed in this book. In this Chapter, a glass of water will be my symbolic and material entry point into an—admittedly somewhat sketchy—attempt to excavate the political ecology of the urbanization process. If I were to capture some urban water in a glass, retrace the networks that brought it there and follow Ariadne’s thread through the water, ‘I would pass with continuity from the local to the global, from the human to the nonhuman’ (Latour 1993: 121). These flows would narrate many interrelated tales: of social and political actors and the powerful socio-ecological processes that produce urban and regional spaces; of participation and exclusion; of rats and bankers; of water-borne disease and speculation in water industry related futures and options; of chemical, physical, and biological reactions and transformations; of the global hydrological cycle and global warming; of uneven geographical development; of the political lobbying and investment strategies of dam builders; of urban land developers; of the knowledge of engineers; of the passage from river to urban reservoir. In sum, my glass of water embodies multiple tales of the ‘city as a hybrid’. The rhizome of underground and surface water flows, of streams, pipes and networks is a powerful metaphor for processes that are both social and ecological (Kaïka and Swyngedouw 2000). Water is a ‘hybrid’ thing that captures and embodies processes that are simultaneously material, discursive, and symbolic.

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„Underground Dams and Reservoirs“. In Water Resources Engineering in Karst, 209–30. CRC Press, 2004. http://dx.doi.org/10.1201/9780203499443-9.

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„Underground Dams and Reservoirs“. In Water Resources Engineering in Karst. CRC Press, 2004. http://dx.doi.org/10.1201/9780203499443.ch6.

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„Main Characteristics of an Aquifer The main function of the aquifer is to provide underground storage for the retention and release of gravitational water. Aquifers can be characterized by indices that reflect their ability to recover moisture held in pores in the earth (only the large pores give up their water easily). These indices are related to the volume of exploitable water. Other aquifer characteristics include: • Effective porosity corresponds to the ratio of the volume of “gravitational” water at saturation, which is released under the effect of gravity, to the total volume of the medium containing this water. It generally varies between 0.1% and 30%. Effective porosity is a parameter determined in the laboratory or in the field. • Storage coefficient is the ratio of the water volume released or stored, per unit of area of the aquifer, to the corresponding variations in hydraulic head 'h. The storage coefficient is used to characterize the volume of useable water more precisely, and governs the storage of gravitational water in the reservoir voids. This coefficient is extremely low for confined groundwater; in fact, it represents the degree of the water compression. • Hydraulic conductivity at saturation relates to Darcy’s law and characterizes the effect of resistance to flow due to friction forces. These forces are a function of the characteristics of the soil matrix, and of the fluid viscosity. It is determined in the laboratory or directly in the field by a pumping test. • Transmissivity is the discharge of water that flows from an aquifer per unit width under the effect of a unit of hydraulic gradient. It is equal to the product of the saturation hydraulic conductivity and of the thickness (height) of the groundwater. • Diffusivity characterizes the speed of the aquifer response to a disturbance: (variations in the water level of a river or the groundwater, pumping). It is expressed by the ratio between the transmissivity and the storage coefficient. Effective and Fictitious Flow Velocity: Groundwater Discharge As we saw earlier in this chapter, water flow through permeable layers in saturated zones is governed by Darcy’s Law. The flow velocity is in reality the fictitious velocity of the water flowing through the total flow section. Bearing in mind that a section is not necessarily representative of the entire soil mass, Figure 7.7 illustrates how flow does not follow a straight path through a section; in fact, the water flows much more rapidly through the available pathways (the tortuosity effect). The groundwater discharge Q is the volume of water per unit of time that flows through a cross-section of aquifer under the effect of a given hydraulic gradient. The discharge of a groundwater aquifer through a specified soil section can be expressed by the equation:“. In Hydrology, 229–30. CRC Press, 2010. http://dx.doi.org/10.1201/b10426-57.

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Konferenzberichte zum Thema "Underground water reservoir"

Dehghan, Ali A. „An Experimental Investigation of Thermal Stratification in an Underground Water Reservoir“. In ASME 2004 Heat Transfer/Fluids Engineering Summer Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/ht-fed2004-56784.

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Temperature stratification in a long-term underground water reservoir was studied experimentally. The cold water storage tank, which was selected for this study, is an underground water reservoir with a domed shape roof and equipped with wind towers (Baad-Gir) which are responsible for capturing wind from any direction and inducing airflow over the water surface. These historic reservoirs were used as a source of drinking cold water in hot arid central regions of Iran during hot and dry summer season. The cylindrical shape underground reservoir, with 12m in height and 12m in diameter, was filled with 15°C water from a nearby well in winter. Temperature data were taken every ten days from late April until mid-October. To obtain accurate experimental temperature data, water layers temperature was measured in vertical direction whilst cold water was extracted from bottom of the tank on a daily basis at a rate corresponding to the regional inhabitants water consumption. It was observed that stable thermal stratification was developed after charging the reservoir. The temperature of extracted water was in the range of 11.9–13.1 °C during the entire summer period whilst the outside ambient temperature was reached upto 42 °C. It is believed that the radiation heat exchange between the water surface and the storage ceiling, as well as the convective heat and mass transfer from the surface of water induced by airflow were primarily responsible for temperature profile change. However, the discharged water flow rate had a secondary effect on thermal stratification.

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Zhang, XiaoHui, GenMin Zhu, DongFeng Zhao, JiaJun Ye, JianKang Shen und MingQing Zhang. „Large Underground Water Seal Reservoir Jet Disturbance System“. In 2018 7th International Conference on Energy and Environmental Protection (ICEEP 2018). Paris, France: Atlantis Press, 2018. http://dx.doi.org/10.2991/iceep-18.2018.222.

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Akhmetzhanova, Gauhar, Beibarys Bakytzhan und Aruzhan Kopzhasarova. „Water exploration works for reservoir pressure maintenance at Brown Field X“. In SEG 2020 Workshop: Underground Water and Karst Imaging, 28 August 2020, Virtual. Society of Exploration Geophysicists, 2020. http://dx.doi.org/10.1190/uwki2020_03.1.

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Itotoi, Ibi-Ada, Taju Gbadamosi, Christian Ihwiwhu, Udeme John, Anita Odiete, Precious Okoro, Maduabuchi Ndubueze, Erome Utunedi, Adedeji Awujoola und Sola Adesanya. „Produced Water Re-Injection: An Integrated Subsurface Approach to Planning and Execution for Downhole Produced Water Disposal in the Niger Delta“. In SPE Nigeria Annual International Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/207088-ms.

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Abstract Low oil price and increased environmental regulations presents a new frontier for many indigenous oil and gas companies in Nigeria. In mature fields with significant water production, produced water treatment and handling could easily account for up to a third of OPEX. Underground produced water disposal is a tested approach that has been used worldwide with mixed results. Studies have been published on the subject; however, it was observed that there were no Niger Delta case studies. This paper presents SEPLAT's subsurface approach to in-field water disposal, drawing upon geological and petroleum engineering analysis coupled with learnings from over 6 years of produced water re-injection experience. Some of the areas that will be discussed include reservoir selection/screening methodology, water quality impact on permeability, produced water disposal well selection/completion, operating philosophy, general surveillance, and basic separation requirements. Thirteen reservoirs located within 2 proximal fields were screened for suitability and ranked as possible candidates for water disposal based on 8 criteria. The best 2 were then high-graded and detailed studies carried out, spanning detailed geological characterization for reservoir quality and connectivity (including quantitative interpretation), to dynamic simulation, injection well location optimization and performance prediction (for clean water). The results of core flood tests were incorporated. It is recommended that total suspended solids should not exceed 5 mg/L, with a maximum of 5 microns particle size, under matrix injection conditions while oil content should be limited to below 30-50 ppm. Tolerance for TSS can be relaxed to 10ppm – 50ppm at fracturing conditions, depending on the reservoir parameters and process systems. The knowledge of these parameters should drive the technology selection for optimum water treatment and injection.

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Tien, Chihming, Hsiaowei Lin, Jinfa Chen und Weijr Wu. „Case Study of Underground Gas Storage in a Lean Gas Condensate Reservoir with Strong Water-Drive“. In SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition. Society of Petroleum Engineers, 2019. http://dx.doi.org/10.2118/196363-ms.

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Wasilczyk, Adam. „DETERMINATION OF WATER INFLOW FROM DESIGNING BOREHOLES, DRAINAGES OF THE UNDERGROUND WATER RESERVOIR ON THE EXAMPLE OF SELECTED POLISH COAL MINE“. In 17th International Multidisciplinary Scientific GeoConference SGEM2017. Stef92 Technology, 2017. http://dx.doi.org/10.5593/sgem2017/12/s02.030.

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Jin, Chang, Gao Shusheng und Xu Ke. „The Simulation Study of Multicycle Injection-production of the Underground Gas Storage in the High Water Cut Reservoir“. In AASRI International Conference on Industrial Electronics and Applications (IEA 2015). Paris, France: Atlantis Press, 2015. http://dx.doi.org/10.2991/iea-15.2015.92.

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Chang, Jin, Shusheng Gao und Ke Xu. „The simulation study of multicycle injection-production of the underground gas storage in the high water cut reservoir“. In 3rd International Conference on Future Energy, Environment and Materials. Southampton, UK: WIT Press, 2015. http://dx.doi.org/10.2495/feem140071.

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Nopsiri, Noppanan, Pithak Harnboonzong und Katha Wuthicharn. „Shallow Gas Reservoir Development in Offshore Field, Myanmar: Tapping New Reserves with Novel Approach“. In IADC/SPE Asia Pacific Drilling Technology Conference. SPE, 2021. http://dx.doi.org/10.2118/201053-ms.

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Abstract Discovered on the shallowest formation in Myanmar offshore field at 500 meters subsea, this reservoir is perhaps one of the most challenging reservoirs to develop in many aspects such as; risk of fracking to seabed when performing sand control completion, cap rock integrity and risk of breaching due to completion and production activities, reservoir compaction, and depletion-induced subsidence. Generally, the producing reservoirs currently developed in this field sits between 700 to 2500 meter subsea, mTVDss. Cased Hole Gravel Pack (CHGP) as sand control completion method is selected to develop the reservoir from 700 to 1650 mTVDss. None of the shallow reservoirs (shallower than 700 mTVDss approximately) has been developed in the field before, due to some technical challenges previously mentioned. Owing to these reasons, reservoir engineer and well completion team initiated feasibility study focusing on advanced Geomechanical modeling and alternative way of sand control completion combined with full project risk assessment, ultimately, to unlock huge gas reserves trapped in this field. The reservoir is finally developed with infill well and new completion technique ever been used in the company. To develop this shallow reservoir, infill well drilling with sand control completion is required. The technical analysis on the following problems was comprehensively performed to ensure that the reservoir was feasible, doable and viable to develop. Reservoir compaction and subsidence occurring with stress and pressure changes associated with depletions would not create potential hazard to production facilities. Cap-rock is stable with no breaching over entire life of reservoir depletion. No potential fault is reactivated upon depletion. Sand control completion is able to be performed safely with well-confined fracpack (risk of frac growth to seabed). Upon depletion, integrity of casing and cement is acceptable when reservoir is compacted. Full risk assessment aspects of completion operation are scrutinized. These problems were mainly analyzed using coupled 3D Geomechanical model focusing on this shallow reservoir in the area of this particular wellhead platform. Briefly speaking, the 3D Geomechanical model was coupled with reservoir pressure depletion to find stress and displacement of reservoir rock and casing due to production. The methodology is called one-way coupled modeling. To be more precise, the pre-production stress of the reservoir at initial pressure was determined and used to calculate subsequent stress change from depletion (production). Pressure depletion will increase effective stress and hence create deformation of reservoir rock which may induce underground subsidence and casing integrity. On this study, four stress-steps of pressure depletion were computed i.e. initial pressure, 25% depletion, 50% depletion and 75% depletion. On each step, stress equilibrium was simulated using finite element software. This project makes the pending development of shallow reservoir in this field doable and viable. All risks associated with well completion and production-induced depletion were deliberately reviewed and mitigated. Based on this study, the most critical risk is gas leak through seabed due to sand control completion activity (CHGP). Apart from this, the other risks such as seabed subsidence, cap-rock breaching, fault reactivation, and casing integrity upon compaction were consciously addressed, reviewed and prevented. The major risk on sand control completion was finally mitigated. The conventional extension pack was avoided and replaced with the completion technique, a so-called circulating pack. Circulating Pack is one of CHGP technique where the pumping rate and pumping pressure maintained below fracture extension rate and fracture extension pressure. This pumping rate and pumping pressure will not introduce the fracture in the formation but still able to carry proppants and place them in the annular between screen and casing to provide sand control means. Although the sand control performance of circulating pack is not up to High Rate Water Pack (HRWP) or Extension Pack, together with control of minimum drawdown and production rate will enhance the sand control performance and prolong production life. Ultimately, unlock the potential in this shallow reservoir. The well has finally been successfully completed under tailor-made design and real-time data acquisition. The reservoir has been producing successfully with the rate of about 5 MMSCFD with good flowing wellhead pressure at 590 psi similar to the design. Ultimately, this alternative approach enables the development of this shallow reservoir where the new reserves of 20 BSCF has been added to the project. This project can be a good lesson for future development of other shallow reservoirs worldwide.

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Saito, Hiroshi, und Tomihiro Taki. „Remediation Strategy, Capping Construction and Ongoing Monitoring for the Mill Tailings Pond, Ningyo-Toge Uranium Mine, Japan“. In ASME 2013 15th International Conference on Environmental Remediation and Radioactive Waste Management. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/icem2013-96021.

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Ningyo-toge Uranium Mine is subject to the environmental remediation. The main purposes are to take measures to ensure the radiation protection from the exposure pathways to humans in future, and to prevent the occurrence of mining pollution. The Yotsugi Mill Tailings Pond in the Ningyo-toge Uranium Mine has deposited mining waste and impounded water as a buffer reservoir before it is transferred to the Water Treatment Facility. It is located at the upstream of the water-source river and as the impact on its environment in case of earthquake is estimated significant, the highest priority has been put to it among mine-related facilities in the Mine. So far, basic concept has been examined and a great number of data has been acquired, and using the data, some remediation activities have already done, including capping construction for the upstream part of the Mill Tailings Pond. The capping is to reduce rainwater penetration to lower the burden of water treatment, and to reduce radon exhalation and dose rates. Only natural materials are used to alleviate the future maintenance. Data, including settlement amount and underground temperature is now being acquired and accumulated to verify the effectiveness of the capping, and used for the future remediation of the Downstream with revision of its specifications if necessary.

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Berichte der Organisationen zum Thema "Underground water reservoir"

Guidati, Gianfranco, und Domenico Giardini. Joint synthesis “Geothermal Energy” of the NRP “Energy”. Swiss National Science Foundation (SNSF), Februar 2020. http://dx.doi.org/10.46446/publication_nrp70_nrp71.2020.4.en.

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Near-to-surface geothermal energy with heat pumps is state of the art and is already widespread in Switzerland. In the future energy system, medium-deep to deep geothermal energy (1 to 6 kilometres) will, in addition, play an important role. To the forefront is the supply of heat for buildings and industrial processes. This form of geothermal energy utilisation requires a highly permeable underground area that allows a fluid – usually water – to absorb the naturally existing rock heat and then transport it to the surface. Sedimentary rocks are usually permeable by nature, whereas for granites and gneisses permeability must be artificially induced by injecting water. The heat gained in this way increases in line with the drilling depth: at a depth of 1 kilometre, the underground temperature is approximately 40°C, while at a depth of 3 kilometres it is around 100°C. To drive a steam turbine for the production of electricity, temperatures of over 100°C are required. As this requires greater depths of 3 to 6 kilometres, the risk of seismicity induced by the drilling also increases. Underground zones are also suitable for storing heat and gases, such as hydrogen or methane, and for the definitive storage of CO2. For this purpose, such zones need to fulfil similar requirements to those applicable to heat generation. In addition, however, a dense top layer is required above the reservoir so that the gas cannot escape. The joint project “Hydropower and geo-energy” of the NRP “Energy” focused on the question of where suitable ground layers can be found in Switzerland that optimally meet the requirements for the various uses. A second research priority concerned measures to reduce seismicity induced by deep drilling and the resulting damage to buildings. Models and simulations were also developed which contribute to a better understanding of the underground processes involved in the development and use of geothermal resources. In summary, the research results show that there are good conditions in Switzerland for the use of medium-deep geothermal energy (1 to 3 kilometres) – both for the building stock and for industrial processes. There are also grounds for optimism concerning the seasonal storage of heat and gases. In contrast, the potential for the definitive storage of CO2 in relevant quantities is rather limited. With respect to electricity production using deep geothermal energy (> 3 kilometres), the extent to which there is potential to exploit the underground economically is still not absolutely certain. In this regard, industrially operated demonstration plants are urgently needed in order to boost acceptance among the population and investors.

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