Blar i UiS Brage på forfatter "Time, Rune Wiggo"
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Accuracy of Condensate to gas ratio (CGR) based on fluid sampling analyses.
Sajedi, Saeed (Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06-15)ABSTRACT Accuracy of condensate to the gas ratio (CGR) is one of the most significant issues in the petroleum industry. In this study, Ormen Lange field was the case study for checking the accuracy of CGR based on ... -
An experimental research of Newtonian fluids inan annular Heavy-Over-Light fluid displacement
Bratten, Sveinung Huglen (Bachelor thesis, 2021)During the construction of a well, casings are considered essential for the wellintegrity. The job of securing the casing in place, i.e. the primary cementingof the casing, is a challenging task in itself due to the vast ... -
An Experimental Study of “Heavy over Light” Density-Unstable Displacement of Newtonian Fluids in a Vertical Annular Geometry of Interest to Reverse Circulation Cementing
Bjørlo, Sjur Haugen (Master thesis, 2021)When an oil well is constructed it is important to cement the casing in place.The cement’s main objectives is to support the casing and ensure zonal isola-tion to prevent leakage of reservoir fluids to the surface. Primary ... -
An Experimental Study on the Rise and Absorption of CO2 Bubbles in Newtonian and non-Newtonian Fluids
Huglen Bratten, Sveinung (Master thesis, 2023)CO2 released from combustion of carbon or hydrocarbons has the potential to be stored in oceans or water based systems. Optimizing this process requires collecting comprehensive data with varying parameters to gain a deeper ... -
Analysis of flame propagation using an imaging technique BOS (Background Oriented Schlieren) and PIV (Particle Imaging Velocimetry).
Ashraf, Awais (Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06)An experimental and simulation work has been conducted to study premixed flame propagation using imaging technique BOS (background oriented schlieren) and PIV (particle imaging velocimetry). Flame images obtained from ... -
Application of Fiber Optic Technology in Reservoir Monitoring
Kverme, Siren Tjensvoll (Master thesis, 2021)The purpose of this thesis was to gain an overview of fields of application of fiber optic technology in reservoir monitoring, how such a measurement system is operated, and challenges that can occur. For automated and ... -
Cfd analysis of low frequency oscillations in Newtonian and non-Newtonian fluids in a vertical pipe
Amaratunga, Polwattage Don Malitha Maduran; Rabenjafimanantsoa, Herimonja Andrianifaliana; Time, Rune Wiggo (Peer reviewed; Journal article, 2019)The effect of vertically imposed, low frequency oscillations on the rheology of shear-thinning non- Newtonian fluids are studied numerically by computational fluid dynamics (CFD). Both Newtonian (water) and inelastic ... -
CO2 Absorption and Transportation Modes in Porous Media: Numerical Simulation and Comparison with Laboratory Experiment
Thapa, Aashish (Master thesis, 2021)Absorption and mass transfer mechanism of CO2 in a uniformly distributed porous media was analyzed using simulation as well as experimental results. The study was performed in a closed PVT cell containing pressurized CO2 ... -
Computational fluid dynamics simulation of buoyant mixing of miscible fluids in a tilted tube
Ghorbani, Maryam; Giljarhus, Knut Erik Teigen; Skadsem, Hans Joakim; Time, Rune Wiggo (Peer reviewed; Journal article, 2021)Buoyancy-driven flows and mixing of fluids with different densities occur frequently both in nature and as part of industrial processes within chemical and petroleum engineering. This work investigates the buoyant exchange ... -
Experimental Analysis of Multi-phase flows in orifice
Wali, Muhammed Ahmed Salar (Master thesis, 2022)In order to understand the behavior of multi-phase flow through orifices in horizontal pipes, an experimental approach is applied that utilizes the available flow rig in the multi-phase flow laboratory at the University ... -
Experimental Investigation of Mixing and Separation Mechanisms of Oil-Water System
Srisan, Kanchana (Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-06)The behaviour of oil-water mixtures/emulsions is of great importance for a variety of industries and sciences. Specially in oil and gas industry, it can be encountered at different stages while drilling, production, storage, ... -
Experimental Study of Displacement Flow of Miscible Fluids with Density Contrast in a Vertical, Concentric Annulus with Relevance to Reverse Cementing Technology
Royaei, Arsalan (Master thesis, 2022)The primary cement job is an essential and complex operation in the oil and gas industry which is performed to support the casing, build a well barrier, and produce an isolated zone. Complete displacement of the drilling ... -
An Experimental Study of the Enhanced Mass Transfer Process by CO2 Absorption for Carbon Storage in Saline Aquifers
Hansen, Tamara (Masteroppgave/UIS-TN-IEP/2020;, Master thesis, 2020-07-21)Diffusion of CO2 into water-based solutions generate an instability at the interface as a result of density differences. The rate of dissolution, the final saturation pressure and the mixing regime caused by convection ... -
Experimental study on cuttings transportation in turbulent pipe flow
Boiten, Maren Louise (Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-06-15)Experimental investigation on cuttings transportation in turbulent flow, in both horizontal and inclined pipes were performed in the multiphase-laboratory at the University of Stavanger. Spherical glass particles were used ... -
Gravitasjonsdrenering av flerfasestrømning med forskjellige reologiske egenskaper i porøse media.
Olsen, Malin Therese; Helgeland, Trine (Bachelor thesis, 2022)Formålet med oppgaven var å studere hvordan enfase- og flerfasestrømning av Newtonske og ikke-Newtonske fluider påvirkes av ulike volum av et porøst medium. Ved undersøkelse av de ulike fluidene og ulike volum av det porøse ... -
Heat Transportation in Geothermal Wells - A Comparison of Laboraotry-Scale and Full-Scale Construction at Bryne VGS
Tanum, Julie (Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06-15)This thesis describes and investigates heat transfer in geothermal wells by investigating a real-scale geothermal system and a laboratory setup, and exploit the boundary conditions. -
Influence of low-frequency oscillatory motion on particle settling in Newtonian and shear-thinning non-Newtonian fluids
Amaratunga, Polwattage Don Malitha Maduran; Rabenjafimanantsoa, Herimonja Andrianifaliana; Time, Rune Wiggo (Peer reviewed; Journal article, 2021-01)An experimental study is performed to observe the effect of vertical fluid oscillations on the mean settling velocity of single spherical glass particles released into mixtures of water and polymeric fluids which exhibit ... -
Investigation of the transport mechanism of the cutting transport in drilling horizontal wells using high speed camera and PIV for analysis
Mir, Muhammad Raza (Masteroppgave/UIS-TN-IPT/2017;, Master thesis, 2017-06-15)Dynamical feature of particle dunes is investigated in a horizontal drilling well. Apparently, it is quite challenging to transport the cuttings in horizontal section of the well because the cuttings tend to settle down ... -
Manipulation of the choke pressure during Managed Pressurized Drilling (MPD) operation
Amini Shahreza, Yasin (Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06)In the present investigation, the disturbance and its effect on the bottom hole pressure has been studied. After digging into the prior works, it’s figured out that the reason of their failure is oversimplification and ... -
Measurement of gas fraction in gas-liquid flow using a buoyancy sensor
Tønnessen, Ellen Lode (Masteroppgave/UIS-TN-IPT/2017;, Master thesis, 2017-07-13)In this thesis, an innovative new method for measuring in-situ gas fraction in vertical flowing pipes is proposed as an alternative to using differential pressure. The new method has been tested by developing an experimental ...