Blar i Master's theses (TN-IPT 2007-2017) på emneord "boreteknologi"
Viser treff 1-20 av 174
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A comparative study on PDC drillbit performance with a 4D dynamic model on samples of late cretaceous chalk for North Sea applications
(Masteroppgave/UIS-TN-IPT/2011;, Master thesis, 2011)The overall goal of this work has been to select the most suitable PDC bit for 8 ½” Chalk-sections located in the North Sea. The Ekofisk field is the largest field in the North Sea and has long sections with Chalk of late ... -
A discussion of well control methods
(Masteroppgave/UIS-TN-IPT/2013;, Master thesis, 2013-05-22)Well control can in short words be described as the core for human safety on board a platform or a rig. It includes a variety of elements that go under the name barrier elements that are in place to prevent an unwanted ... -
A feasibility study for drilling & completing ERD wells on the Brage field
(Master thesis, 2015-06-12)In this master thesis, the potential for drilling an ERD well from the Brage platform have been studied. ERD wells can help operators reach isolated reservoirs located far away from the drilling facility. For mature fields ... -
A historical development of P&A requirements on the NCS and its effects on permanently plugged and abandoned wells
(Masteroppgave/UIS-TN-IPT/2017;, Master thesis, 2017-07-13)This master thesis presents the development of the regulation in the field of permanent plug and abandonment in the Norwegian Continental Shelf (NCS). It describes how the regulations have been developed for Permanent Plug ... -
A new method for through tubing drilling
(Masteroppgave/UIS-TN-IPT/2015;, Master thesis, 2015-06-15)As the world energy needs rises, the demand for new oil and gas reserves will increase along with the need for increased recovery from existing reserves. Through tubing drilling is one method of accomplishing increased ... -
A New P&A technology for setting the permanent barriers
(Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-06-15)This thesis presents an innovative way of plugging wells in the near future. The technology is based on various exothermic reactions lowered into the well at desired plugging depths. The ensuing reactions melt and engulf ... -
A rigless permanent plug and abandon approach
(Masteroppgave/UIS-TN-IPT/2012;, Master thesis, 2012)There are many options to perform a PP&A operation. The goal of this thesis was to look at the opportunities to perform an effective offline PP&A of wells based on cost, time and personnel. After searching through Service ... -
Adaptive Observer Design for Linear Hyperbolic System in Managed Pressure Drilling
(Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-06)Managed Pressure Drilling (MPD) is a drilling technology that has been developed to manage and control the downhole pressure in the well in order to minimize drilling-related problems. This technology uses a pressurized ... -
Advancement of P&A operations by utilizing new PWT concept from Archer
(Masteroppgave/UIS-TN-IPT/2013;, Master thesis, 2013-06-17)Many of the oil and gas fields on the Norwegian continental shelf (NCS) are approaching the end of field life. The Petroleum safety authority of Norway is putting pressure on the Exploration and Production (E&P) companies ... -
Alternative cement program for the surface casing in the skarv field
(Masteroppgave/UIS-TN-IPT/2011;, Master thesis, 2011)A phenomenon called Shallow Water Flow (SWF) was encountered when drilling the top sections at the Skarv field, causing difficulties when cementing the surface casing. This thesis describes a proposed cement program with ... -
An analysis of drilling operation efficiency
(Masteroppgave/UIS-TN-IPT/2011;, Master thesis, 2011)Seadrill’s constant strive to achieve their goal in setting the standard in drilling pursues the focus on operations excellence. The company’s fleet is expanding with frequent new Mobile Offshore Drilling Units (MODU) ... -
An improved cement slurry formulation for oil and geothermal wells
(Masteroppgave/UIS-TN-IPT/2017;, Master thesis, 2017-06-15)Properly designed cement slurry and good cement job are crucial factors for integrity during a well‘s life cycle. For this, cement must be able to prevent migration of formation fluids, support the well construction and ... -
An introduction to engineering challenges in Extended Reach Drilling (ERD) wells and a simulation study of the effect of varying hole size in a well section
(Masteroppgave/UIS-TN-IPT/2015;, Master thesis, 2015-06-15)This thesis investigated Extended Reach Drilling (ERD), an embedded technology for drilling high-inclination, long horizontal directional wells. The objective was to introduce important engineering challenges in ERD wells ... -
An Introduction to the Welltec Annular Barrier and its Interaction with the Open Hole Formation
(Masteroppgave/UIS-TN-IPT/2017;, Master thesis, 2017-06)Developments in drilling have opened for the construction of extended reach wells. They can have large intermediate and reservoir sections, which may need zonal isolation. To isolate the different zones, Welltec has developed ... -
An investigation into the heat transfer process in petroleum wells, and a comprehensive modeling study investigating the temperature distribution in production wells
(Masteroppgave/UIS-TN-IPT/2017;, Master thesis, 2017-06-15)When producing hot fluid from a reservoir, the production well experiences changing temperatures with depth for the different tubing, casing, cement and wellbore interfaces. To what extent the temperatures change is depending ... -
Analysis of drill-string based on case study of ultra-deep drilling on Kola Peninsula.
(Masteroppgave/UIS-TN-IPT/2015;, Master thesis, 2015-06)The topic of the following project is devoted to the theme of drilling of the ultra-deep wells and in particular to the optimization of the length of dual aluminum-steel drill string as a one of the concept which have been ... -
Analysis of Factors Contributing to Long Term Shallow Gas Migration to Seabed in Surface Casing Annulus
(Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-07)A common observation is a low rate gas bubbling from the outside of the 20” surface casing on wells located in the Haltenbanken area on Norwegian Continental Shore. This phenomenon is known as long term shallow gas migration ... -
Analysis of Gas Hydrate Growth Models
(Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-06-28)The kinetic behaviour of gas hydrate formation of pure methane have been studied and predicted based on different models. Experiments have been conducted at different temperatures and stirring rate, and the measured results ... -
Analysis of packer forces in vertical wells and frictionless sail sections
(Masteroppgave/UIS-TN-IPT/2010;, Master thesis, 2010)New discoveries could represent challenges in many ways such as high pressures and high temperatures. The reservoir contains corrosive liquids that are being produced to the surface. Since the casing is expensive to replace, ... -
Analysis of slim hole drilling operations
(Masteroppgave/UIS-TN-IPT/2015;, Master thesis, 2015-06-15)Unlike the conventional well technology, slim hole uses a relatively narrower well size. The concept has been introduced long, but the application in petroleum well not very common. Based on its advantage in terms of cost, ...