Browsing Studentoppgaver (TN-IEP) by Document Types "Master thesis"
Now showing items 1-20 of 267
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A comparison of working stress design and reliability based casing design
(Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06-15)Working stress design is the most common design method used on the Norwegian continental shelf and its simplicity makes it easy to understand. However, other methods as the reliability based design gives a different view ... -
A comprehensive experimental investigation of MWCNTs in oil-well cementing and the development of a new empirical model for UCS estimation
(Masteroppgave/UIS-TN-IEP/2018;, Master thesis, 2018-06-15)Cement is the primary barrier in oil and gas wells and the NORSOK D-010 Standard have very specific requirements for said cement. Amongst others, it states that cement should be impermeable, ductile, strong and resistant ... -
A Novel Approach to Qualifying Bismuth as a Barrier Material
(Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06-12)The barrier material conventionally used for permanent P&A is cement. Since two barriers are a requirement to properly isolate potentially flowing formations, the reliability of the barriers could be enhanced by introducing ... -
A pore-to-core scale investigation of hysteresis for CO2 storage processes using a discrete-domain method
(Master thesis, 2022)In this thesis we have studied a discrete-domain method that is implemented to demonstrate the immiscible, two-phase displacements of two fluids, namely CO2 and water (or brine) in an originally water-saturated reservoir ... -
A Riemann solver for the Drift-Flux Flow Model
(Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06)In this thesis we present a method for calculating exact solutions to a system of equations for two phase flow. This solution is valid for a special case of initial condition called the Riemann problem. The system consists ... -
A Risk Based Approach for Calculating Barrier Lengths
(Masteroppgave/UIS-TN-IEP/2018;, Master thesis, 2018-07)NORSOK D-010 and other standards gives a fixed length of cement for permanently plugging of wells. These lengths are not based on scientific research, but on old practice. A fixed length leads to a shift in focus from where ... -
A risk-based study of safety barriers in multicultural work environments
(Masteroppgave/UIS-TN-ISØP/2019;, Master thesis, 2019-06-14)11 of 13 studies show that foreign employees are about 1,6 to 13 times more often injured in occupational accidents compared to Norwegian employees. Even though, both national and non-national employees are involved in ... -
A Study of the Effect of Pressure and Temperature on the Mechanical Friction of Four Different Fluids Using a Specially Designed Setup
(Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06)The mechanical friction caused by the contact between the rotating drillstring and the borehole or casing can lead to significant challenges such as excessive torque and drag, limitation in running speed of drillstring and ... -
A Study of the Effects of High Dogleg Severity on Well Casing.
(Master thesis, 2023)The Wisting Field located offshore Norway in the Barents Sea is considered a very challenging field to be developed and produced. Its location in the ice-covering sea in the high North with limited or no sunlight combined ... -
A Three-Phase Model for Tumor Cell Migration
(Masteroppgave/UIS-TN-IEP/2018;, Master thesis, 2018-06)Flow of interstitial fluid (IF) has proven to have a significant effect on the migration of cancer cells through tissue due to the tumor cells ability to sense flow by secreting chemokines that convect in the flow direction ... -
Accounting for Model Error in Probabilistic History Matching to Improve Uncertainty Quantification
(Master thesis, 2022)Model Error in probabilistic history matching is an important topic to study, but calculating the model error is a challenge since the truth is uncertain. In this thesis, sources of model error will be discussed briefly; ... -
Accuracy of Condensate to gas ratio (CGR) based on fluid sampling analyses.
(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 ... -
Adsorption of basic crude oil components onto carbonate chalk surfaces – effect on initial wettability.
(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 Polar Oil Components onto Chalk: Impact of Silica content on Initial Wetting
(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, ... -
Adsorption of silica nanoparticles in chalk and sandstone and it effect of fluid/rock interactions.
(Masteroppgave/UIS-TN-IEP/2018;, Master thesis, 2018-06-15)This study addresses the adsorption of Silica nanoparticles (NPs) and its effect on fluid/rock interactions in chalk and sandstone reservoirs. The first part of this thesis addresses the kinetic adsorption behaviour of ... -
Advanced modelling material functions of the Phan-Thein-Tanner (PTT) and Large amplitude oscillation shear (LAOS) flow modules
(Masteroppgave/UIS-TN-IEP/2020;, Master thesis, 2020-07-15)The material functions of the linear and exponential Phan-Thein-Tanner (PTT) and Large amplitude oscillation shear (LAOS) modules are analyzed. The behavior of the functions at inception and cessation are investigated using ... -
Alternative applications of wired drill pipe in drilling and well operations
(Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06)Oil and gas companies target to carry out drilling and other well operations in a safe and cost-effective manner with focus on the long-term integrity of the wells. Well operations become more challenging in environments ... -
An End-To-End Machine Learning Project for Detection of Stuck Pipe Symptoms During Tripping Operations
(Master thesis, 2021)Non-productive time due to stuck pipe costs the Oil and Gas industry substantial losses amounting to $250 million annually [1]. Thus, it is imperative for companies to invest in tools that can aid in prevention. This study ... -
An evaluation of inflow control technologies on the Neptune Energy Gjøa field
(Masteroppgave/UIS-TN-IEP/2018;, Master thesis, 2018-07)Operators are constantly looking for new ways to increase production and recovery in oil and gas wells by application of Intelligent Well Completions and Inflow Control Technology (ICT). For the latter, one of the main ... -
An Evaluation of Liner Deformation in the Valhall Field
(Masteroppgave/UIS-TN-IEP/2018;, Master thesis, 2018-06-15)Valhall is one of the giant, high porosity chalk reservoir in the southern part of the Norwegian Continental Shelf. The field has been in production since 1982 with pressure depletion and reservoir compaction as main drive ...