Blar i Department of Physics and Technology på emneord "752223"
Viser treff 21-40 av 87
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En tilnærming til prediksjon av faseoppførsel for anioniske mikroemulsjonssystemer - optimering med eksperimentelt design og utarbeidelse av estimeringsprosedyrer til beskrivelse av faseoppførsel
(Master thesis, 2010-08-19)Mikroemulsjoner har egenskaper som gjør de aktuelle innen flere anvendelsesområder, deriblant økt oljeutvinning. Flere av egenskapene til mikroemulsjonene er koblet sammen med deres faseoppførsel, deriblant lave ... -
Enhanced Oil Recovery by CO2 and CO2-Foam in Fractured Carbonates
(Master thesis, 2013-06-04)This thesis is a part of an ongoing study of integrated enhanced oil recovery methods in the Reservoir Physics research group at the Department of Physics and Technology at the University of Bergen. The aim of this thesis ... -
Enhanced Oil Recovery by CO2 and CO2-foam Injection in Fractured Limestone Rocks
(Master thesis, 2013-06-03)This thesis is part of an ongoing study of integrated enhanced oil recovery methods in Reservoir Physics group at the Department of Physics and Technology at the University of Bergen. This experimental thesis investigates ... -
Establishing a homogeneous and stable sand pack to study parameters during spontaneous imbibition
(Master thesis, 2018-06-20)Spontaneous imbibition is an important process for oil production during water flooding in porous media and has been widely studied for decades to understand the physics of the process for different boundary conditions. ... -
Estimation of In-situ Polymer Rheology by Simulation of Radial Flow Experiment
(Master thesis, 2017-06-22)Most experiments about in-situ rheology of polymer flow in porous media presented in literature is executed on linear cores and hence, performed during steady state conditions where the pressure drop is constant over the ... -
Experimental and Numerical Modeling Investigation of CO2 Foam Mobility Control
(Master thesis, 2021-06-15) -
An Experimental Study of CO2 sequestration in saline aquifers and gas hydrates
(Master thesis, 2014-09-10)Processes related to the displacement of brine by CO2 were studied in core flood experiments in high-permeable, homogeneous Bentheim sandstone using a medical CT scanner. These processes are of high relevance for prediction ... -
Experimental study of diffusive oil recovery during low salinity waterflooding and miscible CO2 injection in sandstones and shales
(Master thesis, 2014-11-24)This experimental thesis presents a study of two diffusive EOR techniques; low salinity waterflooding in 2D sandstone silicon wafer micromodels and miscible CO2 injection in tight shale core samples. Tests were conducted ... -
An Experimental Study of Foam Flow in Fractured Systems of Increasing Size
(Master thesis, 2016-06-01)Although use of foam for gas mobility control is substantially covered in literature, large- scale field implementation is still absent in fractured reservoirs. Current understanding of foam behavior in fractured systems ... -
An Experimental Study of Foam Flow in Water Saturated Porous Media
(Master thesis, 2017-06-20)The amount of greenhouse gases in the atmosphere has increased significantly the last 250 years, causing a global temperature rise. CO2 emissions from fossil fuel combustion is a major contributor to greenhouse gas emissions, ... -
Experimental Study of Foam Generation and Flow in Carbonate Fracture Systems
(Master thesis, 2016-06-01)This experimental thesis study foam generation during co-injection of gas and surfactant in three fracture systems with increasing size: 2- inch core, 4-inch core and a fractured block network. Important parameters established ... -
An Experimental Study of Methane Hydrate Growth and Dissociation in Porous Media
(Master thesis, 2015-06-01)Natural gas hydrate (NGH) is a solid phase consisting of water and natural gas. NGH represents a justified vast global energy resource, and is widespread in on-shore artic and sub-seafloor environments. Due to the worlds ... -
An Experimental Study of Methane Hydrates in Sandstone Cores
(Master thesis, 2015-05-31)Natural gas hydrates exist in large quantities around the world, located in the subsurface of permafrost and oceanic environments. Future energy harvest from production of methane gas encapsulated in natural gas hydrates ... -
An Experimental Study of Tertiary CO2 Injection Strategies in Fractured Limestone Rocks
(Master thesis, 2015-06-01)The experimental work within this thesis is a continued investigation of tertiary recovery by injection of supercritical CO2 and CO2-foam under miscible conditions for enhanced oil recovery in fractured limestone. Secondary ... -
Field Pilot Injection Strategies for CO2 Foam EOR in a Layered Heterogeneous Carbonate Reservoir
(Master thesis, 2018-06-20)Injection of CO2 foam for enhanced oil recovery (EOR) may provide economic incentives for large-scale industrial CO2 storage. An international field pilot research program has been initiated to develop and test CO2 foam ... -
Foam Generation and Flow in Fractures with Different Aperture
(Master thesis, 2017-06-20)This experimental thesis investigate foam generation and flow properties in real, rough-walled fractures, through impermeable marble core plugs. A range of fracture apertures was investigated, denoted open, partially open ... -
Grid sensitivity simulation of low salinity and polymer flooding
(Master thesis, 2015-05-31)Water flooding in a reservoir is a well- established recovery method used to maintain the reservoir pressure and to displace the oil towards the producing well. However, after water flooding there is still a substantial ... -
History Matching with Reduced Parameterization and Fast Streamline-based Sensitivities
(Master thesis, 2012-09-27)The main goal of history matching is to construct updated models capable of predicting the future performance of the reservoir more accurately. History matching method requires a solution of inverse problem to minimize the ... -
Hydrate formation and CO2 - CH4 exchange in sandstone - An experimental study with emphasis on the role of initial brine saturation and salinity
(Master thesis, 2013-06-01)Recent research activity has demonstrated the viability of producing methane from gas hydrate bearing sediments by injecting and sequestering CO2 in a process where CO2 replace methane in gas hydrate by a process called ... -
Image processing, segmentation, and measurements of hydrate phase transition on pore-scale
(Master thesis, 2021-04-26)