Blar i Department of Petroleum Engineering på emneord "VDP::Technology: 500::Rock and petroleum disciplines: 510::Petroleum engineering: 512"
Viser treff 181-200 av 366
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Improved Well Design with Risk and Uncertainty Analysis
(PhD thesis UiS;242, Doctoral thesis, 2015-01-16)Uncertainty and associated risk assessment are frequently applied in many disciplines such as engineering, medicine and economics. Yet this study is limited to a quantitative uncertainty analysis with respect to well design, ... -
Improving Reliability of Under Reaming While Drilling Operations by Advancing Understanding in Drilling Dynamics
(Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-06-15)Under reaming while drilling operations have become a common practice in the oil and gas industry to address drilling challenges, e.g. reactive and swelling formation, equivalent circulation density (ECD), tight casing ... -
Inclusion of mass transfer terms in the AUSMV transient flow model
(Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-06)Gas contamination of an oil-based drilling mud while performing drilling operations, having influx of formation gas into the borehole in the form of a gas kick; pose a potential hazard to the personnel, environment and the ... -
Inclusion of temperature in the AUSMV scheme with simulation examples from Underbalanced and Mud Cap Drilling
(Masteroppgave/UIS-TN-IPT/2015;, Master thesis, 2015-06-15)Transient flow modelling is actively used to understand dynamic flow scenarios. In this thesis a modification and improvement has been performed for a transient flow model called AUSMV (Advective upstream splitting method). ... -
Increasing Temperature Range of Geothermal Production Casing by Mechanical Pre-tensioning
(Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-06-15)Thermally-induced forces in a fully cemented geothermal production casing can cause compressive failure during production of high temperature formation fluids. These failures lead to production downtime and costly repairs. ... -
Influence of different factors to the strength development of the cement slurry with aplite as a pozzolanic material.
(Masteroppgave/UIS-TN-IPT/2012;, Master thesis, 2012)This study has 18 experiments which were performed in order to see the influence of different factors to she strength development of cement slurry containing Aplite. Aplite is a pozzolanic material consisting mainly from ... -
Influx attenuation during mpd operations
(Masteroppgave/UIS-TN-IPT/2013;, Master thesis, 2013-06-17)When a kick incident occurs on an offshore drilling rig today, the conventional well control procedures involves and relies on human skills and experience. Everything is done manually and the risk of human errors is always ... -
Initial Wetting in Sandstone-Development Through Time
(Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-06-15)This thesis is a literature study of initial wettability of sandstone and how the understanding of this phenomena has developed through history. Due to the fact that wettability affect several properties to reservoir, ... -
Integration of modeling and drilling incident management of a real-time lab-scale autonomous drilling rig
(Masteroppgave/UIS-TN-IPT/2017;, Master thesis, 2017-06-29)The basis of this thesis is an attempt to design, construct, and implement a fully autonomous lab scale drilling rig with real time optimization and capable of drilling detection and subsequent mitigation. Two simplified ... -
Interactions between CO2 and cap rock during CO2 storage
(Masteroppgave/UIS-TN-IPT/2012;, Master thesis, 2012)Geological sequestration and storage of carbon dioxide is a viable method for mitigating anthropogenic emissions of fossil fuels into the atmosphere. Geochemical reactions play an important role in CO2 storage environments ... -
Interactions between CO2 and rock in heterogeneous reservoirs during CO2 storage
(Masteroppgave/UIS-TN-IPT/2012;, Master thesis, 2012)Reactive transport simulations of CO2 storage in heterogeneous reservoirs are performed using the PHREEQC software by Parkhurst and Apello. When CO2 dissolves in the pore water carbonic acid is formed. These aqueous species ... -
Intermittent Water Injection on Top of Continuous CO2 Injection to Co-Optimize Oil Recovery and CO2-Storage
(Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-06-15)The objective of this project is to maximize oil recovery and the CO2 stored during CO2-EOR. To reach that goal there are two important things to be achieved: gas production rate reduction and the oil production rate ... -
INVERSION methods to determine the in-situ stresses
(Masteroppgave/UIS-TN-IPT/2014;, Master thesis, 2014-06-12)The challenges pose by the uncertainty in the in-situ stress measurement in the petroleum and mining industries are enormous. A handy computer tool to estimate the magnitude and direction of the horizontal in-situ stresses ... -
Investigated Miscible CO2 Flooding for Enhancing Oil Recovery in Wettability Altered Chalk and Sandstone Rocks
(PhD thesis UiS;162, Doctoral thesis, 2012-05-29)The thesis addresses oil recovery by miscible CO2 flooding from modified sandstone and chalk rocks. Calcite mineral surface is modified with stearic acid (SA) and asphaltene, and the silicate mineral surfaces are modified ... -
Investigation of gas composition on production performance of J-shaped gas-lift well
(Master thesis, 2014-06-16)The J-shaped gas-lift well showed complex dynamic phenomena. The downward inclination of the J-shaped well introduces periodic waves over time as a result of mixing gas and liquid. This behavior introduces periodic ... -
Investigation of Leakage Paths in Well Abandonment
(Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-06)A large number of wells will have to be abandoned at the NCS and around the world. NORSOK D-010 states that a well that is permanently abandoned shall be abandoned with an eternal perspective and with zero leakage [1]. ... -
Investigation of mechanical property of aplite-based geopolymer for plug and abandonment
(Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-06)Historically and up to date, ordinary Portland cement (OPC) or a slight variation is the most widely used material for permanent Plug & Abandonment operation. However, there are several challenges related to cement usage. ... -
Investigation of temperature- and pressure effects on drilling fluid properties and related downhole torque and drag calculations
(Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-06)Increasing temperature and pressure with depth, affects the properties of drilling fluid. The effect of temperature and pressure on the density and viscosity of drilling fluid is of great importance. This is because, among ... -
Investigation of the transport mechanism of the cutting transport in drilling horizontal wells using high speed camera and PIV for analysis
(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 ... -
Investigation of transient scenarios in underbalanced drilling
(Masteroppgave/UIS-TN-IPT/2012;, Master thesis, 2012)When drilling underbalanced wells, the standard way consists to drill with a very low mud weight in order to obtain a well pressure lower than pore pressure. The flow of the fluids from the reservoir up to the tubing is ...