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  • 1.
    Basirat, Farzad
    et al.
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper, Luft-, vatten- och landskapslära.
    Niemi, Auli
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper, Luft-, vatten- och landskapslära.
    Perroud, Herve
    Universit´e de Montpellier.
    Lofi, Johanna
    Universit´e de Montpellier.
    Denchik, Nataliya
    Universit´e de Montpellier.
    Lods, Gerard
    Universit´e de Montpellier.
    Pezard, Philippe
    Universit´e de Montpellier.
    Fagerlund, Fritjof
    Sharma, Prabhakar
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper, Luft-, vatten- och landskapslära.
    Modeling Gas Transport in the Shallow Subsurface in Maguelone Field Experiment2013Inngår i: Energy Procedia, ISSN 1876-6102, s. 337-345Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    In this paper, TOUGH2/EOS7CA model is used to simulate the shallow injection-monitoring experiment carried outat Maguelone, France, during 2012 and 2013. The ultimate objective of the work is to improve our understanding ofgas transport in the shallow subsurface as well as to develop and validate the model to monitor it. This workrepresents first results towards modelling the nitrogen and CO2 injection experiments carried out. The pressure datafrom the first injection experiments in summer 2012 is used as basis for comparison. Work is presently going on toincorporate the experimental data into the numerical simulation further.

  • 2. Behrens, H.
    et al.
    Ghergut, J.
    Bensabat, J.
    Niemi, A.
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper, Luft-, vatten- och landskapslära.
    Sauter, M.
    Merging single-well and inter-well tracer testsinto one forced gradient dipole test, at the Heletz site within the MUSTANG project.2014Inngår i: Energy Procedia, ISSN 1876-6102Artikkel i tidsskrift (Fagfellevurdert)
  • 3. Brown, S.
    et al.
    Martynov, S.
    Mahgerefteh, H.
    Fairweather, M.
    Woolley, R.M
    Wareing, C.J.
    Falle, S.
    Rutters, H.
    Niemi, A.
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper, Luft-, vatten- och landskapslära.
    Zhang, Y.C.
    Chen, S.
    Bensabat, J.
    Shah, N.
    CO2QUEST: Techno-economic Assessment of CO2 Quality Effect on Its Storage and Transport2014Inngår i: Energy Procedia, ISSN 1876-6102Artikkel i tidsskrift (Fagfellevurdert)
  • 4.
    Fagerlund, Fritjof
    et al.
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper, Luft-, vatten- och landskapslära.
    Niemi, Auli
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper, Luft-, vatten- och landskapslära.
    Bensabat, Jacob
    Shtivelman, Vladimir
    Interwell field test to determine in-situ CO2 trapping in a deep saline aquifer: Modelling study of the effects of test design and geological parameters2013Inngår i: Energy Procedia, ISSN 1876-6102, Vol. 40, s. 554-563Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    An interwell field test to determine residual phase and dissolution trapping of CO2 is being designed at Heletz, Israel. Effects of test-design options and geological parameters were investigated using numerical modelling. It was found that the interwell distance has large influence on the feasibility of the test both in terms of creation of a zone of residually trapped CO2 and detection of the time when such zone has been created. The optimal distance is site-specific and depends on formation properties. Alternating CO2 and brine injections slightly increased residual trapping, but did not facilitate creation of a well-defined zone of trapping.

    Fulltekst (pdf)
    fulltext
  • 5.
    Joodaki, Saba
    et al.
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper.
    Niemi, Auli
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper, Luft-, vatten- och landskapslära.
    Juhlin, Christopher
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper.
    Sopher, Daniel
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper.
    Ivandic, Monika
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper.
    Erlström, Mikael
    SGU.
    Simulation of CO2 injection into a Baltic Sea saline aquifer and seismic monitoring of the plume2013Inngår i: Energy Procedia, ISSN 1876-6102, s. 355-364Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    TOUGH2/ECO2N was used to simulate CO2 injection into a saline aquifer in the Baltic Sea and the effect of different amounts of CO2 injection on the seismic response. The Biot-Gassmann model was used to convert the simulated saturation and densities to seismic velocities and synthetic seismic responses before and after injection were compared. The results show that the amplitude changes in the seismic response are detectable even for small amounts of injected CO2, while noticeable signs of velocity pushdown, as a signature of the CO2 substitution, could only be observed if the injection rate is high enough.

  • 6.
    Lueth, Stefan
    et al.
    GFZ German Research Centre for Geosciences, Potsdam, Germany.
    Bergmann, Peter
    GFZ GermanResearch Centre for Geosciences, Potsdam, Germany.
    Huang, Fei
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper, Geofysik.
    Ivandic, Monika
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper, Geofysik.
    Ivanova, Alexandra
    GFZ German Research Centre for Geosciences, Potsdam, Germany.
    Juhlin, Christopher
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper, Geofysik.
    Kempka, Thomas
    GFZ German Research Centre for Geosciences, Potsdam, Germany.
    4D Seismic Monitoring of CO2 Storage During Injection and Post-closure at the Ketzin Pilot Site2017Inngår i: Energy Procedia, ISSN 1876-6102, Vol. 114, s. 5761-5767Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    At the Ketzin pilot site for geological CO2 storage, about 67,000 tons of CO2 were injected during the period June 2008 – August 2013. Since August 2013, the site is in its post-closure phase. Before and during the injection phase, a comprehensive monitoring programme was established. In the early post-injection phase, a majority of the monitoring activities have continued. The stepwise abandonment of the pilot site, which is planned to be accomplished in 2018, marks also the termination of most monitoring activities. Four 3D seismic surveys were acquired between 2005 and 2015 for characterizing the reservoir structure and its overburden and for monitoring the propagation of the injected CO2 in the storage formation. The first and second repeat surveys revealed the lateral extension of the CO2 plume after injecting 22 and 61 ktons, respectively. In autumn 2015, the third 3D repeat seismic survey, serving as the first post-injection survey, was acquired. The survey was acquired using the same acquisition geometry as for previous surveys, consisting of 33 templates with five receiver lines and twelve source profiles perpendicular to the receiver lines. Seismic processing of the recently acquired data has resulted in preliminary observations which can be summarized as follows: As in previous seismic repeat surveys, a clear CO2 signature is observed at the top of the storage formation. No systematic amplitude changes are observed above the reservoir which might indicate leakage. Compared to the second repeat survey acquired in 2012, the lateral extent of the CO2 plume seems to have been reduced, which may be an indication for ongoing (and relatively fast) dissolution of the CO2 in the formation brine and diffusion into very thin layers indicating pressure release.

    Fulltekst (pdf)
    fulltext
  • 7.
    Lüth, Stefan
    et al.
    GFZ.
    Bergmann, Peter
    GFZ.
    Cosma, Calin
    Enescu, Nicoleta
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper, Geofysik.
    Giese, Rudiger
    GFZ.
    Götz, Julia
    GFZ.
    Ivanova, Alexandra
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper, Geofysik.
    Juhlin, Christopher
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper, Geofysik.
    Kashubin, Artem
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper, Geofysik.
    Yang, Can
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper, Geofysik.
    Zhang, Fengjiao
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper, Geofysik.
    Time-lapse seismic surface and down-hole measurements for monitoring CO2 storage in the CO2SINK project (Ketzin, Germany)2011Inngår i: Energy Procedia, ISSN 1876-6102, Vol. 4, s. 3435-3442Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Ketzin is an European pilot site for onshore CO2 storage in a saline aquifer. Injection started in summer 2008 and to date, more than 37.000 tons of CO2 have been injected into the Stuttgart Formation at approximately 650 m depth. A wide range of monitoring methods are being applied at Ketzin, among which are active seismic observations at various scales. 3D reflection seismic, combined surface-downhole measurements and crosshole tomographic surveys were performed before injection and after the start of injection in order to image the reservoir and to track the CO2. Time-lapse signatures of the injected CO2 were observed by all active seismic methods. The CO2 could be detected by increased reflectivity at the top of the injection reservoir, by a change in the attenuation behaviour and also by reduced propagation velocity within the reservoir. The ongoing injection of CO2 during the next years will be followed by further repeat surveys. Current investigations focus on the still difficult problem of the quantification of the CO2 imaged by the geophysical measurements.

  • 8.
    Lüth, Stefan
    et al.
    GFZ German Research Centre for Geosciences, Germany.
    Ivanova, Alexandra
    GFZ German Research Centre for Geosciences, Germany.
    Ivandic, Monika
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper, Geofysik.
    Götz, Julia
    GFZ German Research Centre for Geosciences, Germany.
    4D Seismic Monitoring at the Ketzin Pilot Site during five years of storage–Results and Quantitative Assessment2015Inngår i: Energy Procedia, ISSN 1876-6102, Vol. 76, s. 536-542Artikkel i tidsskrift (Fagfellevurdert)
  • 9.
    Martens, Sonja
    et al.
    GFZ German Res Ctr Geosci, Potsdam.
    Hangx, Suzanne
    Univ Utrecht, Earth Sci, Utrecht.
    Juhlin, Christopher
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper, Geofysik.
    Kuehn, Michael
    GFZ German Res Ctr Geosci, Potsdam.
    Kempka, Thomas
    GFZ German Res Ctr Geosci, Potsdam.
    Energy, Resources and the Environment: Meeting the challenges of the future2017Inngår i: Energy Procedia, ISSN 1876-6102, Vol. 125, s. 1-5Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    The European Geosciences Union (EGU) brings together geoscientists from all over the world covering all disciplines of the Earth, planetary and space sciences. This geoscientific interdisciplinarity is needed to tackle the challenges of the future. One major challenge for humankind is to provide adequate and reliable supplies of affordable energy and other resources in efficient and environmentally sustainable ways. This Energy Procedia issue provides an overview of the contributions of the Division on Energy, Resources & the Environment (ERE) at the EGU General Assembly 2017.

  • 10.
    Niemi, Auli
    et al.
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper.
    Bensabat, Jacob
    Fagerlund, Fritjof
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper, Luft-, vatten- och landskapslära.
    Sauter, Martin
    Ghergut, Julia
    Licha, Tobias
    Fierz, Thomas
    Wiegand, Gabriele
    Rasmusson, Maria
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper, Luft-, vatten- och landskapslära.
    Rasmusson, Kristina
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper, Luft-, vatten- och landskapslära.
    Shtivelman, Vladimir
    Gendler, Michael
    Small-Scale CO2 Injection into a Deep Geological Formation at Heletz, Israel2012Inngår i: Energy Procedia, ISSN 1876-6102, Vol. 23, s. 504-511Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    This paper presents the experimental plans and designs as well as examples of predictive modeling of a pilot-scale CO2 injection experiment at the Heletz site (Israel). The overall objective of the experiment is to find optimal ways to characterize CO2 -relevant in-situ medium properties, including field-scale residual and dissolution trapping, to explore ways of characterizing heterogeneity through joint analysis of different types of data, and to detect leakage. The experiment will involve two wells, an injection well and a monitoring well. Prior to the actual CO2 injection, hydraulic, thermal and tracer tests will be carried out for standard site characterization. The actual CO2 injection experiments will include (i) a single well injection-withdrawal experiment, with the main objective to estimate in-situ residual trapping and (ii) a two-well injection-withdrawal test with injection of CO2 in a dipole mode (injection of CO2 in one well with simultaneous withdrawal of water in the monitoring well), with the objective to understand the CO2 transport in heterogeneous geology as well as the associated dissolution and residual trapping. Tracers will be introduced in both experiments to further aid in detecting the development of the phase composition during CO2 transport. Geophysical monitoring will also be implemented. By means of modeling, different experimental sequences and injection/withdrawal patterns have been analyzed, as have parameter uncertainties. The objectives have been to (i) evaluate key aspects of the experimental design, (ii) to identify key parameters affecting the fate of the CO2 and (iii) to evaluate the relationships between measurable quantities and parameters of interest.

  • 11. O’Neill, N.
    et al.
    Pasquali, R.
    Vernon, R.
    Niemi, A.
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper, Luft-, vatten- och landskapslära.
    Geological Storage of CO2 in the Southern Baltic Sea2014Inngår i: Energy Procedia, ISSN 1876-6102Artikkel i tidsskrift (Fagfellevurdert)
  • 12. Snæbjörnsdóttir, Sandra
    et al.
    Tómasdóttir, Sigrún
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper, Luft-, vatten- och landskapslära.
    Sigfússon, Bergur
    Aradóttir, Edda Sif
    Gunnarsson, Gunnar
    Niemi, Auli
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper, Luft-, vatten- och landskapslära.
    Basirat, Farzad
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper, Luft-, vatten- och landskapslära.
    Dessirier, Benoît
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper, Luft-, vatten- och landskapslära.
    Gislason, Sigurdur, Sigurdur R
    Oelkers, Eric H
    The geology and hydrology of the CarbFix2 site, SW-Iceland2018Inngår i: Energy Procedia, ISSN 1876-6102, Vol. 146, s. 146-157Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Injection of CO2 and H2S emissions from the Hellisheidi Geothermal Power Plant, SW-Iceland, as part of the CarbFix project, is currently taking place in the Húsmúli reinjection zone. Here we present detailed descriptions of the geology of the reservoir rock in Húsmúli including descriptions of its intrusions, secondary mineralogy and sources of permeability. We further present preliminary results from a modelling study of the Húsmúli reinjection zone that was conducted to obtain better understanding of flow paths in the area. The model was calibrated using results from an extensive tracer test that was carried out in 2013-2015.

    Fulltekst (pdf)
    fulltext
  • 13.
    Tokimatsu, Koji
    et al.
    Tokyo Inst Technol, Midori Ku, 4259 Nagatsuta, Yokohama, Kanagawa 2268503, Japan.;Natl Inst Adv Ind Sci & Technol, 1-2-1 Namiki, Tsukuba, Ibaraki 3058564, Japan..
    Murakami, Shinsuke
    Univ Tokyo, Sch Engn, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1138656, Japan..
    McLellan, Benjamin
    Kyoto Univ, Grad Sch Energy Sci, Sakyo Ku, Kyoto 6068501, Japan..
    Höök, Mikael
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper, Naturresurser och hållbar utveckling.
    Yasuoka, Rieko
    Syst Res Ctr Co Ltd, Minato Ku, KY Bldg,3-16-7 Toranomon, Tokyo 1050001, Japan..
    Nishio, Masahiro
    Natl Inst Adv Ind Sci & Technol, 1-2-1 Namiki, Tsukuba, Ibaraki 3058564, Japan..
    Global energy-mineral nexus by systems analysis approaches2017Inngår i: Energy Procedia, ISSN 1876-6102, Vol. 105, s. 3345-3348Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    After the Great East Japan Earthquake, Japanese energy policy strategies have been directed towards seeking more diversified energy options, especially fuel switching to gas, rapid introduction of renewable energy, and pushing towards a hydrogen economy. While a secure supply of energy, or energy security, is typically argued within the context of energy resources, little consideration for energy policy is given to mineral resources used in various energy technologies. Many studies have addressed the specific mineral elements in technologies by borrowing energy scenarios from authorities (e.g., The International Energy Agency (IEA) energy technology perspectives (ETP)). Some have applied empirical estimation models such as logistic functions for their future demand projections. In this study, we used our own resource balance models incorporating resources of energy, non-fuel minerals, biomass and food, to illustrate future consumption paths for non-fuel minerals (including scarce metals) as well as our own energy and climate policy scenarios. Our approach is complementary, not a substitute, offering more insights to existing studies on energy-mineral nexus approaches.

  • 14.
    Vall, Maria
    et al.
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Nanoteknologi och funktionella material.
    Hultberg, Jonas
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Nanoteknologi och funktionella material.
    Strömme, Maria
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Nanoteknologi och funktionella material.
    Cheung, Ocean
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Nanoteknologi och funktionella material.
    Carbon dioxide adsorption on mesoporous magnesium carbonate2019Inngår i: Energy Procedia, ISSN 1876-6102, Vol. 158, s. 4671-4676Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Mesoporous magnesium carbonate (MMC) was synthesized and tested for its ability to separate CO2 from N2. The pure gas CO2 uptake of MMC was around 1.5 mmol/g at 101 kPa, 0 °C. The N2 uptake under the same conditions was less than 0.1 mmol/g. Al(NO3)3, Al2O3, K2CO3 and KNO3 were introduced into the porous structure of MMC as additives. All of the additives tested increased the CO2 uptake of MMC and increased its selectivity towards CO2. The incorporation of 5 wt.% K2CO3 increased the CO2 uptake of MMC up to over 3.2 mmol/g. The ideally adsorbed solution theory was used to calculate the CO2 selectivity of MMC and MMC with additives for a hypothetical gas mixture that contained 15% CO2: 85% N2. The CO2 selectivity at 101 kPa (0 °C) was around 60. MMC with 5 wt.% K2CO3 had a CO2 selectivity of over 150 under the same conditions. Vacuum swing cyclic CO2 adsorption/desorption showed that the CO2 uptake on MMC with 5 wt.% K2CO3 decreased after each cycle. Heat regeneration (up to 250 °C, for 10 minutes) could recover most of the lost CO2 capacity after each cycle. Heat regeneration indicatively improved the cyclic performance of this adsorbent. MMC with 5 wt.% K2CO3 was the best performing adsorbent in this study and can potentially be further developed into a good CO2 adsorbent for temperature swing adsorption (TSA) processes.

    Fulltekst (pdf)
    fulltext
  • 15.
    Wäckelgård, Ewa
    et al.
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik.
    Bartali, Ruben
    Fondazione Bruno Kessler.
    Gerosa, Riccardo
    Laidani, Nadhira
    Mattsson, Andreas
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik.
    Micheli, Victor
    Rivolta, Barbara
    New Cermet Coatings for Mid-temperature Applications for Solar Concentrated Combine Heat and Power System2014Inngår i: Energy Procedia, ISSN 1876-6102, Vol. 48, s. 242-249Artikkel i tidsskrift (Fagfellevurdert)
  • 16.
    Yang, Zhibing
    et al.
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper, Luft-, vatten- och landskapslära.
    Niemi, Auli
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper, Luft-, vatten- och landskapslära.
    Tian, Liang
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Geovetenskapliga sektionen, Institutionen för geovetenskaper, Luft-, vatten- och landskapslära.
    Erlström, Mikael
    Geological Survey of Sweden.
    Modelling of far-field pressure plumes for carbon dioxide sequestration2013Inngår i: Energy Procedia, ISSN 1876-6102, s. 472-480Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    We apply both numerical modelling, by means of single-phase and two-phase models, and analytical calculation for estimation of far-field pressure buildup, considering a generic scenario of dipping aquifer and a site-specific scenario for the Scania site, southwest Sweden. We examine the effect of depth-dependent fluid and material properties as well as formation geometries on far-field pressure buildup. The use of simple analytical calculations, including the Theis equation and superposition based on the method of images, for the estimation of pressure buildup is evaluated. The results are also discussed in terms of comparison between the numerical simulations and simple analytical calculations.

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