Blar i UiS Brage på forfatter "Strand, Skule"
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Adsorption of basic crude oil components onto carbonate chalk surfaces – effect on initial wettability.
Jakobsen, Anna Bogunovic (Masteroppgave/UIS-TN-IEP/2018;, Master thesis, 2018-06-14)The initial wetting of carbonate reservoirs is of great importance to the overall oil recovery and smart water processes. Crude oil is a complex mixture of organic components, and the polar components present in it can ... -
Adsorption of Crude Oil Components onto Carbonate and Sandstone Outcrop Rocks and Its Effect on Wettability
Puntervold, Tina; Mamonov, Aleksandr; Piñerez Torrijos, Iván Darío; Strand, Skule (Peer reviewed; Journal article, 2021-03)The processes of establishing and altering reservoir wettability are still subjects of discussion due to the complexity of the underlying crude oil–brine–rock interactions. This study was aimed at investigating the ... -
Adsorption of Polar Oil Components onto Chalk: Impact of Silica content on Initial Wetting
Klewiah, Isaac (Masteroppgave/UIS-TN-IEP/2018;, Master thesis, 2018-07-30)The wetting state of reservoir rocks, particularly naturally fractured chalk, is fundamental in the efficient application of advanced oil recovery methods by injection of water. In the subsurface crude oil/brine/rock system, ... -
Carbonated water injection in chalk for enhanced oil recovery at high temperature
Kleiberg, Sander Haaland (Master thesis, 2022)The increased demand of hydrocarbons in combination with the climate change represent a current challenge for a petroleum industry that aims to increase the production and reduce its emissions. Reaching the Paris agreements ... -
Core wettability reproduction: A new solvent cleaning and core restoration strategy for chalk cores
Piñerez Torrijos, Iván Darío; Puntervold, Tina; Strand, Skule; Hopkins, Paul Andrew; Aslanidis, PANAGIOTIS; Yang, Hae Sol; Kinn, Magnus Sundby (Peer reviewed; Journal article, 2020)Laboratory core restoration procedures include different core cleaning solvents, establishment of initial water saturation (Swi) by diverse techniques and processes of crude oil exposure that influence the final core wetting ... -
Effect of crude oil adsorption and asphaltene precipitation on sandstone wettability
Gummedal, Helena (Masteroppgave/UIS-TN-IEP/2018;, Master thesis, 2018-06)Wettability is an important property for oil recovery. It affects capillary pressure and controls fluids, location, and flow in the reservoir. By an increase in capillary pressure (due to increased water wetness), previously ... -
Effect of water-extractable carboxylic acids in crude oil on wettability in carbonates
Fathi, Seyed Jafar; Austad, Tor; Strand, Skule (Journal article, 2011)The acidic components of the crude oil have a profound effect on the initial wetting conditions and possible wettability alteration by seawater in carbonates. In this work, three types of crude oils with different ... -
Effect of Wettability on Waterflooding and Relative Permeability at Slightly Water-Wet Conditions
Wathne, Agnes Kahlbom (Masteroppgave/UIS-TN-IER/2019;, Master thesis, 2019-06-14)The wettability of a porous system is of high importance when waterflood behavior and relative permeability are investigated, because both will be strongly affected. Adsorption of polar organic components (POC) are responsible ... -
Effect of Wettability on Waterflooding and Relative Rermeability at Medium Water-Wet Conditions.
Harestad, Amalie (Masteroppgave/UIS-TN-IER/2019;, Master thesis, 2019-06-15)This project contributes with experimental measurement that could increase our understanding on how relative permeability is affected by wettability during an oil recovery process. Wettability has significant attention ... -
The effects of pH, time and temperature on the stability and viscosity of cellulose nanocrystal (CNC) dispersions: implications for use in enhanced oil recovery
Molnes, Silje; Paso, Kristofer Gunnar; Strand, Skule; Syverud, Kristin (Journal article; Peer reviewed, 2017-08)Cellulose nanocrystals (CNC) are currently being investigated as potential additives for enhanced oil recovery (EOR). Presented in this paper is a study investigating the effects of different physical and chemical environments ... -
Enhanced oil recovery from Sandstones and Carbonates with “Smart Water”
Torrijos, Ivan Dario Pinerez (PhD thesis UiS;341, Doctoral thesis, 2017-03-31)According to the International Energy Agency crude oil is expected to contribute approximately with 26% of the world’s energy supply by 2040. In a per year basis, new oil discoveries have dropped to a 60-year low in 2015, ... -
EOR by Seawater and “Smart Water” Flooding in High Temperature Sandstone Reservoirs
Aghaeifar, Zahra (PhD theses (TN-lER);508, Doctoral thesis, 2020-04)In the last decades, when the first treated injection water has resulted in incremental oil recovery, the activity to explore this technique has increased. And today, Smart Water flooding or low salinity flooding in sandstone ... -
Evaluation of Cellulose Nanocrystals as a Green "Smart Water" Additive in Enhanced Oil Recovery from Sandstone Reservoirs
Molnes, Silje Nedland (PhD thesis UiS;348, Doctoral thesis, 2017-06-15)Petroleum reservoir production is frequently supported by using flooding fluids, and offshore this fluid will very often be seawater. The efficiency of this water injection is affected by various factors, such as the ... -
Evaluation of low salinity injection EOR potential in Johan Sverdrup Field
Fang, Wei (Masteroppgave/UIS-TN-IPT/2017;, Master thesis, 2017)Low salinity waterflooding is an EOR method that doesn’t get mentioned as much as other EOR methods in the current oil industry, but its recognition has been raised in the last few years and BP is also using their own low ... -
Evaluation of Surface-Active Ionic Liquids in Smart Water for Enhanced Oil Recovery in Carbonate Rocks
Tafur, Nestor; Mamonov, Aleksandr; Khan, Md Ashraful Islam; Soto, Ana; Puntervold, Tina; Strand, Skule (Peer reviewed; Journal article, 2023)Ionic modification of injected brines (Smart Water EOR) has previously demonstrated great potential for wettability alteration in carbonates from initially mixed-wet toward more water-wet conditions. However, the efficiency ... -
Evaluation of using Smart Water to enhance oil recovery from Norwegian Continental Shelf sandstone reservoirs.
Piotrowska, Natalia (Master thesis, 2016-06-09)Recently, the scale of studies on smart water – one of EOR method - has increased. From decades, water flooding is one of the most used methods to increase oil recovery. However, more effective in sandstone reservoirs is ... -
Experimental Reproduction of Wettability for Core Analysis
Aslanidis, Panagiotis (PhD thesis UiS;, Doctoral thesis, 2022-09)The ideal scenario when core samples are retrieved from the field to the lab is to start the experiment immediately without any treatment. Due to a decrease in pressure and temperature from reservoir to standard conditions, ... -
Influence of Sandstone Mineralogy on the Adsorption of Polar Crude Oil Components and Its Effect on Wettability
Mamonov, Aleksandr; Aslanidis, PANAGIOTIS; Fazilani, Novia; Puntervold, Tina; Strand, Skule (Peer reviewed; Journal article, 2022)The crude oil–brine–rock (COBR) system is a combination of contacting phases where polar organic molecules in crude oil, inorganic ions from the brine phase, and charged mineral surfaces participate in complex interactions. ... -
Investigation of a new application for cellulose nanocrystals: a study of the enhanced oil recovery potential by use of a green additive
Molnes, Silje; Mamonov, Aleksandr; Paso, Kristofer Gunnar; Strand, Skule; Syverud, Kristin (Journal article; Peer reviewed, 2018-02)Cellulose nanocrystals (CNC) were investigated for use in a potential new application, enhanced oil recovery. Core flooding experiments were performed on outcrop sandstone cores using CNC particles dispersed in low salinity ... -
Investigation of a new application for cellulose nanocrystals: a study of the enhanced oil recovery potential by use of a green additive
Molnes, Silje; Mamonov, Aleksandr; Paso, Kristofer Gunnar; Strand, Skule; Syverud, Kristin (Journal article; Peer reviewed, 2018-02)Cellulose nanocrystals (CNC) were investigated for use in a potential new application, enhanced oil recovery. Core flooding experiments were performed on outcrop sandstone cores using CNC particles dispersed in low salinity ...