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Evaluation of fatigue in single sided x – joint welds on Oseberg UWP
(Masteroppgave/UIS-TN-IKM/2016;, Master thesis, 2016-06-15)This report assesses the challenges regarding fatigue calculations on the inside of a single sided weld on the Oseberg UWP. SN – fatigue and FM – fatigue calculations are performed on two different models to establish a ... -
Evaluation of Foam Cementing the Reservoir Liner in Deviated Wells on the Ekofisk M Platform
(Masteroppgave/UIS-TN-IPT/2009;, Master thesis, 2009)Foam cementing the reservoir liner has proven to be a good solution for achieving zonal isolation due to its low permeability and high compressive strength. However, out of the 32 reservoir liners cemented on the Ekofisk ... -
Evaluation of guidance provided by international standards on metrics and timelines for run-life estimation of oil and gas equipment
(Peer reviewed; Journal article, 2022)Run-life is a concept used in the oil and gas industry to express time to failure for running equipment. When estimating this as part of reliability engineering activities, different metrics and time periods are considered. ... -
Evaluation of Hybrid Battery System for Platform Support Vessels
(Master thesis, 2017-07-15)In the last few years, the car industry has developed hybrid battery systems with lower battery price, higher capacity and improved safety. These improvements in performance have led to an increased interest to utilize the ... -
Evaluation of hydro acoustic condition monitoring of subsea processing equipment
(Masteroppgave/UIS-TN-IPT/2011;, Master thesis, 2011)The project described in this thesis is based on the perceived fact that a need for advancements in monitoring technology results from the development of more complex subsea equipment. An existing type of hydro acoustic ... -
Evaluation of IT Security Risk Standards Relative to Risk Analysis and Management Science
(Masteroppgave/UIS-TN-ISØP/2020;, Master thesis, 2020-06-15)The growing development of information technology has revolutionized the various aspects of human life and the functioning of organizations. Information Technology has changed the way people, organizations, and governments ... -
Evaluation of jack-up units in deeper water in the North Sea
(Masteroppgave/UIS-TN-IKM/2014;, Master thesis, 2014-06-16)The aim of this thesis has been to investigate challenges and possible limitation associated with purpose-built jack-up units for weathering the ultra harsh environment of the North Sea. Two Site-Specific Assessments ... -
An evaluation of key challenges of CO2 transportation with a novel Subsea Shuttle Tanker
(Peer reviewed; Journal article, 2021)Recently, a novel Subsea Shuttle Tanker (SST) concept has been proposed to transport carbon dioxide (CO2) from ports to offshore oil and gas fields for either permanent storage or enhanced oil recovery (EOR). SST is a large ... -
Evaluation of kick and loss scenarios in experimental lab facility
(Masteroppgave/UIS-TN-IPT/2012;, Master thesis, 2012)Detection and evaluation of gain and loss situations is crucial for safety during drilling operations. During managed pressure drilling there is higher risk of kicks than during traditional drilling. Early stage detection ... -
Evaluation of kinetic hydrate inhibitors in 1.1 s.g. DW WBM
(Masteroppgave/UIS-TN-IMN/2011;, Master thesis, 2011-06)Intention: This thesis is written as a finishing part of my master degree at the University of Stavanger (UiS). The project has been in collaboration with MI-SWACO, A Schlumberger Company, with Irene M. Færgestad as my ... -
Evaluation of local power generation concepts for subsea application
(Masteroppgave/UIS-TN-IKM/2016;, Master thesis, 2016-06)The demand for oil & gas resources is forecasted to continue increasing in the next decades. And, since most of the potential onshore areas for exploration are already under production, most of the new discoveries to be ... -
Evaluation of low salinity injection EOR potential in Johan Sverdrup Field
(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 low-cost software-defined LTE/5G frameworks: cloudification
(Masteroppgave/UIS-TN-IDE/2019;, Master thesis, 2019-06)There has been a tremendous rise in mobile communication units over the past decade. Where cellphones once dominated the user market for fast wireless communication solutions, we now see an abundance of devices and appliances ... -
Evaluation of machine learning for optimization and anomaly detection in offshore drilling operations.
(Masteroppgave/UIS-TN-IMBM/2019;, Master thesis, 2019-07-10)Studies of drilling operation have been focused on control parameter optimization to improve the rate of penetration and mechanical specific energy. Drilling is a complex operation with uncontrolled parameters and disturbances ... -
Evaluation of Measurement-While-Drilling, telemetry methods and integration of control systems
(Masteroppgave/UIS-TN-IPT/2012;, Master thesis, 2012)This paper will present an overview of the applications of the measurements performed by the Measurement-While-Drilling and Logging-While-Drilling tools. An evaluation of the available telemetry techniques used to transfer ... -
Evaluation of metal- and PAH toxicity of thermo treated oil-based drill cuttings by the use of DREAM sediment model
(Masteroppgave/UIS-TN-IMN/2015;, Master thesis, 2015-06-28)Dose-related Risk and Exposure Assessment Model (DREAM) is a risk assessment tool used for modulations of offshore waste discharges effects on the marine environment. The model was first developed in order to estimated the ... -
Evaluation of microalgae nutrient removal efficiency from wastewater cultivated in a photobioreactor under non-ideal conditions.
(Masteroppgave/UIS-TN-IKBM/2019;, Master thesis, 2019-12-14)The scope of this project is to Study the long-term performance and wastewater nutrients removal efficiency by microalgae in a PBR under no favourable conditions. COD, TN, TP, NH4+-N, NO3--N, PO43--P, TSS and pH values ... -
Evaluation of module handling system on current riserless light well intervention unit to improve up-time
(Masteroppgave/UIS-TN-IKM/2014;, Master thesis, 2014-06-16)Riserless light well intervention technology (RLWI) is the latest addition to the subsea light well intervention market. Beginning operation in mid 2005, the technology has the advantage of utilizing a special subsea ... -
Evaluation of offshore emergency preparedness in view of rare accidents
(Journal article; Peer reviewed, 2010)The offshore industry in the North Sea has gone from a very high risk level for employees some 30–40 years ago, to a low level. The paper reviews the statistics briefly and discusses the implications of the low level. There ... -
Evaluation of one-time supplier selection criteria and analysis of outsourcing risk
(Master thesis, 2022)Outsourcing production has always been one of the main strategies to improve the production side of an organization by using suppliers’ capabilities. However, outsourcing objectives may fail due to inadequate risk ...