Searched for: contributor%3A%22Rossen%2C+W.R.+%28mentor%29%22
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Ibrahim Abdelkader Ibrahim, Jafer (author)
Revealing an optimal geothermal development strategy attempt with long-term sustainability (upcoming 100 years) based on a real 3D model derived from seismic data is considered one of the main contributions of this research study. The heat extraction and thermal recharge of the reservoir must be in balance to extend the productive lifetime of...
master thesis 2023
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van Nieuwkerk, Pelle (author)
The United Nations’ Paris Agreement forces nations and industries to transition from conventional hydrocarbon-based energy sources to more sustainable and less-emitting alternatives such as geothermal energy. Geothermal doublets are used to provide a source of green heat to greenhouses and residential buildings. In industry, reservoir simulators...
master thesis 2022
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Obbens, Ewald (author)
In this thesis two problems in network transport are analyzed. <br/><br/>The first problem concerns flow through static foam in artificial fractures. The objective is to determine whether the assumption of Li et al. (2021), that capillary pressure is uniform in the region of interest, with static foam in an artificial fracture, is justified....
master thesis 2022
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Maat, Sander (author)
The goal of this study is to test out the accuracy of the upscaling approach (Jinyu Tang, 2021) for a geothermal doublet. This approach tries to simulate the physical thermal dispersion. When modeling in a geothermal reservoir it would be easy if a lot of layers can be upscaled. However, when doing upscaling one can not just take an average of...
bachelor thesis 2021
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Obbens, Ewald (author)
This study is part of a larger effort to evaluate the use of microfluidics to represent foam generation and flow in geological porous media (Rossen, 2008). Specifically whether it is possible to have flow in a microfluidic device without fluctuating occupancy of pores and pore throats. Although there is no foam created during the study, three of...
bachelor thesis 2020
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Hadjisotiriou, George (author)
Foams are used in reservoir engineering for enhanced oil recovery, CO2 sequestration and environmental remediation of aquifers and soils. One of the main mechanisms for foam generation at steady state is Roof snap-off. In some cases, mechanistic models of Roof snap off, based on observations from 2D micromodels are used for...
bachelor thesis 2020
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Holstvoogd, Jorijn (author)
Steady multiphase flow in two-dimensional (2D) porous media has not been established without the continuous fluctuation in pore occupancy. Cox (2019) proves the ability of liquid to bridge a gas-filled pore throat that is narrow and deeply etched, allowing liquid and gas to flow simultaneously. In this investigation, a pore network study was...
bachelor thesis 2020
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Ponners, C.G. (author)
bachelor thesis 2017
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Getrouw, N.A.S. (author)
Foam has many useful features as an injection fluid for EOR. One of the most important aspects, is to reduce the gas mobility in a porous media. The manners in which the mobility of gas is reduced, is both by the increase of the gas apparent viscosity and by the trapping of the gas within the porous media, which reduces the relative permeability...
master thesis 2016
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Amin, A. (author)
Surfactant Alternating Gas (SAG) is one of the Enhanced Oil Recovery (EOR) methods used for controlling gas mobility during displacement of oil in a reservoir. This method is based on alternating injection of surfactant solution and gas to create a so-called “gas foam” in the reservoir. The success of this method relies on the stability of the...
master thesis 2016
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Al Ayesh, A.H. (author)
Foam can divert flow from higher- to lower-permeability layers and thereby improve vertical sweep efficiency in gas-injection enhanced oil recovery. Recently, Kapetas et al. (2015) measured foam properties in cores from four sandstone formations ranging in permeability from 6 to 1900 md, and presented parameter values for a foam-model fit to...
master thesis 2016
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Laskaris, G. (author)
Foams find many applications in the oil industry with their uses ranging from fracturing stimulation treatments to enhanced oil recovery processes. Many of these applications concern the reduction of injected gas mobility which can be induced by a strong foam. However, foam behavior inside a porous medium is complex and a fully predictive model...
master thesis 2015
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Broens, M.M.J. (author)
The formation of microemulsions of an EOR surfactant with n-decane was studied in a microfluidic setup using fluorescence microscopy. Generally microemulsions are studied under static conditions by means of phase behavior tests. However, oil mobilization fromreservoirs is a dynamic process and therefore it is important to understand how...
master thesis 2015
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Hassan, A.M. (author)
Characterization of fluid properties is significant in the petroleum engineering practice, especially in solvent-based enhanced oil recovery (SEOR) where the use of injected chemicals should ideally be reduced to the bare minimum in order to minimize the costs and environmental impact of SEOR. However, current techniques for measurement inside...
master thesis 2015
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Knol, M.I.C. (author)
Many reservoirs are considered unsuitable candidates for Enhanced Oil Recovery. Surfactant-Foam flooding, also referred to as Low-Tension-Gas flooding, could be a solution to enhance the oil recovery in tight, saline or high temperature reservoirs. SF-flooding combines reduction of the oil-water interfacial tension by surfactant, with mobility...
master thesis 2015
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Ansari, M.N. (author)
Enhance Oil Recovery (EOR) techniques are theoretically very promising but in real life suffer the effects of many physical complications in the subsurface which are yet to be understood in detail. One such complication is the detrimental effect of oil in foam in foam EOR. Current-generation reservoir simulators represent these effects in an...
master thesis 2015
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Ranjan, R. (author)
Gas EOR processes can have microscopic displacement efficiency as large as 100%, but suffer from poor sweep of the reservoir. Injected gas has tendency to segregate at the top of the reservoir due to density difference and gravity. Water-alternating-gas injection was proposed by Caudle and Dyes (1958) to reduce the effect of adverse mobility...
master thesis 2015
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Heins, R. (author)
Enhanced oil recovery by gas injection can show excellent displacement efficiency but may suffer from poor sweep efficiency. A promising method to overcome poor sweep efficiency in gas-injection enhanced oil recovery processes is foam injection. The effect of oil saturation on foam stability is complicated and not fully understood. Complexity in...
master thesis 2015
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Yu, G. (author)
WAG (Water-Alternating-Gas injection) is a non-thermal EOR process, which was proposed to improve the volumetric sweep efficiency and consequently the oil recovery during a gas injection project. Though miscible gas injection gives fantastic displacement efficiency due to its miscibility with oil, it usually shows very poor volumetric sweep...
master thesis 2015
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Koops, M. (author)
Foam is a promising means of increasing sweep efficiency in enhanced oil recovery processes where gas is injected into a reservoir. However, the effectiveness of foam is hard to predict due to its complex behavior. Therefore accurate modeling is important to effectively predict field performance. This requires correct foam parameters in...
bachelor thesis 2015
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