Blar i NTNU Open på forfatter "Torsæter, Ole"
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HyGreGel: A new class of gel systems for water diversion by in-depth reservoir placement
Najafiazar, Bahador (Doctoral theses at NTNU;2019:336, Doctoral thesis, 2019)High water production is typically a major problem late in the life cycle of a water flooded hydrocarbon reservoir. Reservoir heterogeneity plays a significant role in creating this problem. An example is highly permeable ... -
Identification of Nanocellulose Retention Characteristics in Porous Media
Aadland, Reidun Cecilie Grønfur; Dziuba, Carter Jordan; Heggset, Ellinor Bævre; Syverud, Kristin; Torsæter, Ole; Holt, Torleif; Gates, Ian D.; Bryant, Steven (Journal article; Peer reviewed, 2018)The application of nanotechnology to the petroleum industry has sparked recent interest in increasing oil recovery, while reducing environmental impact. Nanocellulose is an emerging nanoparticle that is derived from trees ... -
Identification of the Transition Between Two Phase Flow Regimes in Sphere Packs
Husøy, June Katrin Strand (Master thesis, 2018)This thesis presents an experimental investigation of the simultaneous immiscible two phase flow, in three dimensional porous media made up of glass beads. The objective of this thesis was to find the scaling relation ... -
Implementation of a Surfactant Model in MRST With Basis in Schlumberger's Eclipse
Jørgensen, Kristian (Master thesis, 2013)In conjunction with the Open Porous Media (OPM) Initiative, SINTEF AppliedMathematics in Oslo have developed the Matlab Reservoir Simulation Toolbox(MRST) with the purpose to function as a an efficient testing platform for ... -
Introduction to digital core analysis: 3D reconstruction, numerical flow simulations and pore network modeling
Mandzhieva, Radmila (Master thesis, 2017)Digital core analysis can replace the use of conventional core samples by decreasing the time required for conducting experiments. Moreover, it gets a better understanding of complex reservoir structures due to its ability ... -
Investigation of how Hydrophilic Silica Nanoparticles Affect Oil Recovery in Berea Sandstone: An Experimental Study
Dahle, Gunnar Sie (Master thesis, 2014)Nanofluids, or nanoparticles dispersed in brine, has been launched as a promising enchaned oil recovery technique (EOR). Several coreflooding experiments were performed to investigate the effect of hydrophilic silica ... -
Investigation of how Silica Nanoparticle Adsorption Affects Wettability in Water-Wet Berea Sandstone: An Experimental Study
Kaasa, Anne Tinnen (Master thesis, 2013)Retention, or nanoparticle deposition, on the walls of porous media has been shown to cause alterations in rock properties, such as porosity and permeability. This thesis investigated the possible alterations in wetting ... -
Investigation of Modified Silica Nanoparticles' Efficiency in Enhancing Oil Recovery - An Experimental Study
Aadland, Reidun Cecilie; Daae, Helene Virkesdal (Master thesis, 2015)As it has become difficult to discover new hydrocarbon resources, the focus has shifted towards innovative enhanced oil recovery (EOR) technologies that extract more oil out of producing reservoirs. The addition of modified ... -
Investigation of Nanoparticle Effect on Wettability and Interfacial tension: An Experimental Study of a Two-Phase System of Heavy Oil and Di Water
Birkeland, Marthe Åsnes (Master thesis, 2013)The increasing demand for hydrocarbons has led to a hope of developing more efficient recovery techniques for unconventional resources such as heavy oil. Heavy oil is movable in the reservoir, but recovery is time-consuming ... -
Luminescent silica-based nanocomposites for detection of liquid organic compounds
Delic, Asmira (Doctoral theses at NTNU;2021:307, Doctoral thesis, 2021)The main aim of this thesis is to prove a concept of a novel detection method for liquid organic compounds (LOCs) based on luminescent nanoparticles (NPs) that can be used in oil-field applications. Before starting an ... -
Master s Thesis Effect of Brine Concentration on Flow Properties in Two Types of Carbonate Rocks Ekofisk Chalk and Iranian Limestone : Study of Chemical Effect of Brine Composition on Flow Properties on Carbonate Rocks
Paipe, Félix António Guimarães (Master thesis, 2012)SummaryThe displacement of oil from reservoir rock pore spaces is a function of many interacting variables, amongst which the reservoir wetting state has been shown to be one of the important affected by the rock lithology, ... -
Metal oxide-based nanoparticles: revealing their potential to enhance oil recovery in different wettability systems
Hendraningrat, Luky; Torsæter, Ole (Journal article; Peer reviewed, 2015)This paper presents systematic studies of hydrophilic metal oxide nanoparticles (NPs) dispersed in brine intended to reveal their potential to enhance oil recovery (EOR) in various rock wettability systems. The stability ... -
Modelling Medium- Depth CO2 Injection at the Svelvik CO2 Field Laboratory in Norway
Hagby, Klaus Falk (Master thesis, 2018)The CO2 Field Lab is a test site at the Svelvik ridge near Oslo in Norway. It is presently being upgraded as part of the European research infrastructure initiative (the ECCSEL laboratories). The test site was established ... -
Modification of Existing Permeameters to Estimate Hydraulic Conductivity of Groundwater in Unconsolidated Sand in the Laboratory
Solberg, Runa Aronsen (Master thesis, 2018)Modification of Existing Permeameters to Estimate Hydraulic Conductivity of Groundwater in Unconsolidated Sand in the Laboratory is a master thesis written by Runa Aronsen Solberg in the spring of 2018. The thesis is the ... -
Nanoparticle effect on Interfacial Properties related to Enhanced Oil Recovery
Andreassen, Line (Master thesis, 2015)This thesis takes a look at what has been done before with nanoparticles in EOR, and then experimentally investigates the effect of nanoparticles on fluid properties, in particular interfacial tension and wettability. The ... -
Numerical Modeling and History Matching of Super-Wet Combustion Tube Test
Alipour, Samaneh (Master thesis, 2014)A number of laboratory experiments are defined and implemented to reveal the in situ combustion behavior on core samples drilled from heavy oil reservoirs under specifically designed conditions. The accelerating rate ... -
Numerical modelling of the effect of waterflooding and surfactant injection in a matrix-fracture system
Tran, Vinh Vuong (Master thesis, 2015)Naturally fractured reservoirs in carbonate rocks usually contain more residual oil in the matrix than other reservoirs, due to the high permeability fracture zones that carries the flooded fluids, leaving parts of the ... -
Numerical Simulation Study on Parameters related to Athabasca Bitumen Recovery with SAGD
Marianayagam, Kristin Reka (Master thesis, 2012)The world’s total oil reserves are to some extent dominated by heavy oil. The heavy oil reserves are doubled in volume compared to conventional oil reserves. As conventional oil reservoirs are depleting, heavy oil and ... -
Polymer Gels Made with Functionalized Organo-Silica Nanomaterials for Conformance Control
Najafiazar, Bahador; Wessel-Berg, Dag; Bergmo, Per Eirik Strand; Simon, Christian; Yang, Juan; Torsæter, Ole; Holt, Torleif (Journal article; Peer reviewed, 2019)Deep placement of gel in waterflooded hydrocarbon reservoirs may block channels with high water flow and may divert the water into other parts of the reservoir, resulting in higher oil production. In order to get the gel ... -
Polymer-Coated Silica Nanoparticles for Enhanced Oil Recovery in Water-Wet Berea Sandstone Core Plugs
Bila, Alberto Luis; Stensen, Jan Åge; Torsæter, Ole (Peer reviewed; Journal article, 2022)Innovative enhanced oil recovery (EOR) technologies are needed to ensure a more economical oil production to meet the growing energy demand. Silica nanoparticles have been widely studied for EOR applications due to their ...