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Dissertations / Theses on the topic 'CO2 storage in deep saline aquifers'

Author: Grafiati
Published: 4 June 2021
Last updated: 12 February 2022

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1

Khudaida, Kamal. "Modelling CO2 sequestration in deep saline aquifers." Thesis, Loughborough University, 2016. https://dspace.lboro.ac.uk/2134/21104.

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In spite of the large number of research works on carbon capture and sequestration (CCS), the migration and behaviour of CO2 in the subsurface (i. e. strata below the earth's surface) still needs further understanding and investigations with the aim of encouraging the governmental policy makers to adopt CCS technology as one of the most viable means to tackle the global warming threats. In this research work, a series of numerical simulations has been carried out using STOMP-CO2 simulation code to determine the flow behaviour and ultimate fate of the injected supercritical carbon dioxide (scCO
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2

Tian, Liang. "CO2 storage in deep saline aquifers : Models for geological heterogeneity and large domains." Doctoral thesis, Uppsala universitet, Luft-, vatten och landskapslära, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-279382.

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This work presents model development and model analyses of CO2 storage in deep saline aquifers. The goal has been two-fold, firstly to develop models and address the system behaviour under geological heterogeneity, second to tackle the issues related to problem scale as modelling of the CO2 storage systems can become prohibitively complex when large systems are considered. The work starts from a Monte Carlo analysis of heterogeneous 2D domains with a focus on the sensitivity of two CO2  storage performance measurements, namely, the injectivity index (Iinj) and storage efficiency coefficient (E
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3

Darcis, Melanie Yvonne [Verfasser], and Holger [Akademischer Betreuer] Class. "Coupling models of different complexity for the simulation of CO2 storage in deep saline aquifers / Melanie Yvonne Darcis. Betreuer: Holger Class." Stuttgart : Universitätsbibliothek der Universität Stuttgart, 2013. http://d-nb.info/1031915230/34.

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4

Osselin, Florian. "Thermochemical-based poroelastic modelling of salt crystallization, and a new multiphase flow experiment : how to assess injectivity evolution in the context of CO2 storage in deep aquifers." Phd thesis, Université Paris-Est, 2013. http://pastel.archives-ouvertes.fr/pastel-00977430.

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In a context of international reduction of greenhouse gases emissions, CCS (ce{CO2} Capture and Storage) appears as a particularly interesting midterm solution. Indeed, geological storage capacities may raise to several millions of tons of ce{CO2} injected per year, allowing to reduce substantially the atmospheric emissions of this gas. One of the most interesting targets for the development of this solution are the deep saline aquifers. These aquifers are geological formations containing brine whose salinity is often higher than sea water's, making it unsuitable for human consumption. However
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5

Okwen, Roland Tenjoh. "Enhanced CO2 Storage in Confined Geologic Formations." Scholar Commons, 2009. http://scholarcommons.usf.edu/etd/3683.

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Many geoscientists endorse Carbon Capture and Storage (CCS) as a potential strategy for mitigating emissions of greenhouse gases. Deep saline aquifers have been reported to have larger CO 2 storage capacity than other formation types because of their availability worldwide and less competitive usage. This work proposes an analytical model for screening potential CO 2 storage sites and investigates injection strategies that can be employed to enhance CO 2 storage. The analytical model provides of estimates CO 2 storage efficiency, formation pressure profiles, and CO 2 –brine interface locatio
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6

Watson, Francesca Elizabeth. "Numerical simulation of CO2 storage in saline aquifers." Thesis, Durham University, 2015. http://etheses.dur.ac.uk/11189/.

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CO2 capture and storage (CCS) has been proposed as a climate change mitigation strategy. The basic principle is to prevent CO2 which would normally be emitted from large point sources, such as power stations, from entering the atmosphere. This is achieved by capturing the CO2 at source and storing it in a location where it will be trapped and unable to enter the atmosphere. This work looks specifically at geological storage of CO2 in deep saline formations. Dynamic simulations can be used to investigate the fundamental physical and chemical processes which occur when CO2 is injected into geolo
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7

Vilarrasa, Riaño Víctor. "Thermo-hydro-mechanical impacts of carbon dioxide (CO2) injection in deep saline aquifers." Doctoral thesis, Universitat Politècnica de Catalunya, 2012. http://hdl.handle.net/10803/96669.

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Los procesos termo-hidro-mecánicos relacionados con el almacenamiento geológico de carbono deben ser entendidos y cuantificados para demostrar a la opinión pública de que la inyección de dióxido de carbono (CO2) es segura. Esta Tesis tiene como objetivo mejorar dicho conocimiento mediante el desarrollo de métodos para: (1) evaluar la evolución tanto de la geometría de la pluma de CO2 como de la presión de los fluidos; (2) definir un ensayo de campo que permita caracterizar la presión de inyección máxima sostenible y los parámetros hidromecánicos de las rocas sello y almacén; y (3) propo
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8

RODRIGUES, ROBERTA DOMINGOS. "NUMERICAL MODELING OF CO2 INJECTION IN SALINE AQUIFERS, AIMING TO EVALUATE MINERAL STORAGE." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2017. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=32317@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>PROGRAMA DE EXCELENCIA ACADEMICA<br>Para contribuir com a mitigação das mudanças climáticas, tecnologias com o intuito de promover a redução de emissões dos Gases de Efeito Estufa, como é o caso do dióxido de carbono, tem obtido grande destaque nas pesquisas ultimamente. Uma das alternativas para impedir que todo esse carbono seja liberado para a atmosfera é reinjetar o CO2 nos próprios reservatórios ou em outras formações geológicas próximas. Neste sentido, esta dissertação ap
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9

Cairns, Grace. "Time-lapse seismic monitoring of CO2 storage in saline aquifers : a model-based sensitivity study." Thesis, Imperial College London, 2013. http://hdl.handle.net/10044/1/10688.

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The injection of Carbon Dioxide (CO2) into saline aquifers could help to reduce anthropogenic CO2 emissions, but due to the potential dangers posed by leakage, extensive monitoring will be required. Ideally this monitoring will be able to determine: CO2 movement, the amount of CO2 stored, the CO2 phase (gaseous, supercritical or dissolved in brine), the trapping mechanism (structural or residual) and the occurrence of pore-pressure changes. The literature review highlighted five uncertainties which could impact on the ability of time-lapse seismic surveys to fulfil the monitoring requirements:
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10

Heinemann, Niklas. "Physical and chemical effects of CO2 storage in saline aquifers of the southern North Sea." Thesis, University of Edinburgh, 2013. http://hdl.handle.net/1842/9686.

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One of the most promising mitigation strategies for greenhouse gas accumulation in the atmosphere is carbon capture and storage (CCS). Deep saline aquifers are seen as the most efficient carbon dioxide (CO2) storage sites, mainly because of their vast size and worldwide distribution. Injecting CO2 into brine filled media will cause a physical and chemical disequilibrium in the formation. This PhD thesis documents the investigation of some of the resulting effects which occur at the beginning of the injection, during the injection period and millions of years after injection. When CO2 is inject
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11

Izgec, Omer. "Experimental And Numarical Investigation Of Carbon Dioxide Sequestration In Deep Saline Aquifers." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/3/12606213/index.pdf.

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Started as an EOR technique to produce oil, injection of carbon dioxide which is essentially a greenhouse gas is becoming more and more important. Although there are a number of mathematical modeling studies, experimental studies are limited and most studies focus on injection into sandstone reservoirs as opposed to carbonate ones. This study presents the results of computerized tomography (CT) monitored laboratory experiments to characterize relevant chemical reactions associated with injection and storage of CO2 in carbonate formations. Porosity changes along the core plugs and the corresp
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12

Beinashor, R. "Effect of halite (NaCl) on sandstone permeability and well injectivity during CO2 storage in saline aquifers." Thesis, University of Salford, 2017. http://usir.salford.ac.uk/44572/.

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Carbon dioxide capture and storage (CCS) is one of the widely discussed options for decreasing CO<sub>2</sub> emissions. This method requires the techniques for capturing purification of anthropogenic CO<sub>2</sub> from fossil-fuel power plants, subsequent compression and transport, and, ultimately, its storage in deep geological formations. Due to the high formation salinity, there is a substantial concern about the near well bore formation dry out as a result salt precipitation in the form of halite (NaCl). The focus was on one of the important physical mechanisms of CO<sub>2</sub> injectio
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13

Ozgur, Emre. "Assessment Of Diffusive And Convective Mechanisms During Carbon Dioxide Sequestration Into Deep Saline Aquifers." Master's thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/12608014/index.pdf.

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The analytical and numerical modeling of CO2 sequestration in deep saline aquifers having different properties was studied with diffusion and convection mechanisms. The complete dissolution of CO2 in the aquifer by diffusion took thousands, even millions of years. In diffusion dominated system, an aquifer with 100 m thickness saturated with CO2 after 10,000,000 years. It was much earlier in convective dominant system. In diffusion process, the dissolution of CO2 in aquifer increased with porosity increase<br>however, in convection dominant process dissolution of CO2 in aquifer decreased with p
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14

Anbar, Sultan. "Development Of A Predictive Model For Carbon Dioxide Sequestration In Deep Saline Carbonate Aquifers." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/12610692/index.pdf.

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Although deep saline aquifers are found in all sedimentary basins and provide very large storage capacities, a little is known about them because they are rarely a target for the exploration. Furthermore, nearly all the experiments and simulations made for CO2 sequestration in deep saline aquifers are related to the sandstone formations. The aim of this study is to create a predictive model to estimate the CO2 storage capacity of the deep saline carbonate aquifers since a little is known about them. To create a predictive model, the variables which affect the CO2 storage capacity and their ran
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15

Tillner, Elena [Verfasser]. "Quantification of upward brine displacement from saline aquifers and mechanical effects in geological CO2 storage / Elena Tillner." Berlin : Freie Universität Berlin, 2015. http://d-nb.info/1077211945/34.

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16

Jacob, Ruth E. "PROCESSES RELATED TO HYDRODYNAMIC AND MINERAL TRAPPING FOR THE PURPOSE OF CARBON STORAGE IN DEEP SALINE AQUIFERS." Case Western Reserve University School of Graduate Studies / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=case1450735566.

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17

Szulczewski, Michael Lawrence. "Storage capacity and injection rate estimates for CO₂ sequestration in deep saline aquifers in the conterminous United States." Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/53087.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2009.<br>Includes bibliographical references (p. 141-148).<br>A promising method to mitigate global warming is injecting CO₂ into deep saline aquifers. In order to ensure the safety of this method, it is necessary to understand how much CO₂ can be injected into an aquifer and at what rate. Since offsetting nationwide emissions requires storing very large quantities of CO₂, these properties must be understood at the large scale of geologic basins. In this work, we develop simple models of storage
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18

MARCON, DIOGO REATO. "NUMERICAL MODELING OF THE CO2 INJECTION IN SALINE AQUIFERS: INVESTIGATION OF THE RELEVANT PARAMETERS FOR OPTIMIZING THE STORAGE IN CCS – CARBON CAPTURE AND STORAGE PROJECTS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2009. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=15354@1.

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Este trabalho apresenta uma análise da técnica de injeção de dióxido de carbono em aqüíferos salinos para fins de descarte e armazenamento. O objetivo foi obter as características do aqüífero a ser selecionado e do processo de injeção, visando uma maior quantidade de CO2 estocada num menor tempo. Para tanto se realizou uma revisão da literatura sobre os dados de laboratório disponíveis para o CO2 e água salgada. Também se pesquisou sobre campos de CO2 que podem servir como análogos ao método de armazenamento geológico deste gás, bem como, se levantou condições consideradas adequadas para a téc
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19

Roberts-Ashby, Tina. "Evaluation of Deep Geologic Units in Florida for Potential Use in Carbon Dioxide Sequestration." Scholar Commons, 2010. http://scholarcommons.usf.edu/etd/3601.

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Concerns about elevated atmospheric carbon dioxide (CO 2 ) and the effect on global climate have created proposals for the reduction of carbon emissions from large stationary sources, such as power plants. Carbon dioxide capture and sequestration (CCS) in deep geologic units is being considered by Florida electric-utilities. Carbon dioxide-enhanced oil recovery (CO 2 -EOR) is a form of CCS that could offset some of the costs associated with geologic sequestration. Two potential reservoirs for geologic sequestration were evaluated in south-central and southern Florida: the Paleocene Ce
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20

Shamshiri, Hossein. "System Design and Optimization of CO2 Storage in Deep Saline Aquifers." Thesis, 2010. http://hdl.handle.net/1969.1/ETD-TAMU-2010-12-8969.

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Optimization of waterflooding sweep efficiency has been widely applied in reservoir engineering to improve hydrocarbon recovery while delaying water breakthrough and minimizing the bypassed oil in reservoirs. We develop a new framework to optimize flooding sweep efficiency in geologic formations with heterogeneous properties and demonstrate its application to waterflooding and geological CO2 sequestration problems. The new method focuses on equalizing and delaying (under constant total injected volume) the breakthrough time of the injected fluid at production wells. For application to CO2 sequ
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21

Oliveira, Frederico Brízido Caldas de. "Thermo-hydro-mechanical analysis of CO2 injection into deep aquifers." Master's thesis, 2014. http://hdl.handle.net/10362/13802.

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One of the biggest challenges for humanity is global warming and consequently, climate changes. Even though there has been increasing public awareness and investments from numerous countries concerning renewable energies, fossil fuels are and will continue to be in the near future, the main source of energy. Carbon capture and storage (CCS) is believed to be a serious measure to mitigate CO2 concentration. CCS briefly consists of capturing CO2 from the atmosphere or stationary emission sources and transporting and storing it via mineral carbonation, in oceans or geological media. The latter is
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