Blar i Department of Petroleum Engineering på tittel
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Main pump start-up pressure limitation control system when using thixotropic drilling fluids
(Masteroppgave/UIS-TN-IPT/2013;, Master thesis, 2013-07-01)Everyday drilling operations in the Norwegian Continental Shelf become more challenged. They include drilling of highly inclined long wells in depleted reservoirs within narrow geo-pressure margins. In addition, drilling ... -
Mainbore connectivity in perforated whipstock multilateral wells
(Masteroppgave/UIS-TN-IPT/2011;, Master thesis, 2011)The Starburst Multilateral is a special type of the TAML level 4 junction built around the proven concept of the hollow technology. This hollow technology has been in use in the North Sea for the past ten years and there ... -
Making a simple steady state model more appropriate for underbalanced drilling
(Masteroppgave/UIS-TN-IPT/2012;, Master thesis, 2012)In an underbalanced operation the well needs to be kept in underbalanced conditions at all time. That is, from the beginning to the end of the drilling process. This is necessary to keep well from formation damage and ... -
Managed pressure drilling from floaters
(Masteroppgave/UIS-TN-IPT/2013;, Master thesis, 2013-06-05)Drilling in challenging environments with different drilling hazards cause a lot of non-productive time (NPT), ie time where the rig is not drilling. Much of the challenging environments are in water depth demanding the ... -
Managed pressure drilling from floaters: feasibility studies for applying managed pressure drilling from a floater on the Skarv/Idun field on the Norwegian Continental Shelf by PGNiG Norway AS
(Masteroppgave/UIS-TN-IPT/2011;, Master thesis, 2011)Managed Pressure Drilling (MPD) is a relatively young technology that has improved some old ideas of Underbalanced Drilling (UBD). According to the IADC, MPD is an “adaptive process used to precisely control the annular ... -
Management of well barriers and challenges with regards to obtaining well integrity
(Masteroppgave/UIS-TN-IPT/2012;, Master thesis, 2012)Well integrity is a result of technical, operational and organizational barriers applied, with the intention to contain and control the reservoir fluid and well pressures. Failure to obtain and maintain adequate barriers ... -
Materials for optimized P&A performance: Potential utilization of geopolymers
(PhD thesis UiS;292, Doctoral thesis, 2016-05)When a well reaches the end of its life-cycle, it must be permanently plugged and abandoned. Plug and abandonment (P&A) can easily contribute with 25% of the total drilling costs of exploration wells offshore Norway. The ... -
Mathematical modeling of water-rock chemistry during water injection and its impact on the composition and porosity of chalk
(Masteroppgave/UIS-TN-IPT/2010;, Master thesis, 2010) -
Measurement of gas fraction in gas-liquid flow using a buoyancy sensor
(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 ... -
Mechanical and physical behavior of high-porosity chalks exposed to chemical perturbation
(Journal article; Peer reviewed, 2015-09)Extensive study on the effect of dissolution–precipitation on mechanical behavior of various high-porosity outcrop chalks (Liége, Aalborg, Kansas, Stevns Klint, and Mons) flooded with simplified aqueous chemistry at 130 ... -
The mechanical behavior of chalk under laboratory conditions simulating reservoir operations
(PhD thesis UiS;, Doctoral thesis, 2010-06-08)This work has been carried out with the chalk mechanics research society at the University of Stavanger. The PhD thesis is thus a continuation to the long line of experimental chalk research carried out honoring the ... -
Mechanical modeling of salt-influenced extensional forced folding
(Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-06-15)Scaled and numerical models show that the existence of an evaporite viscous layer (e.g. salt) facilitates the development of extensional forced folds related to basement normal faults. The geometries of the extensional ... -
Mechanism of primary and secondary oil flooding for recovery from chalk by low
(Master thesis, 2014-06-16)This research work is performed with the intention to bring the contribution in the ongoing discussion of implementing the low salinity brines as the injection fluid in carbonate reservoirs. The work contains theoretical ... -
Mechanism of primary and secondary oil flooding for recovery from sandstone by low salinity water
(Master thesis, 2014-06-16)Low salinity water flooding (LSW) as an enhanced oil recovery (EOR) method has been discussed by many researchers, but consistent approved mechanism is still not found. The main reason of lack of clear understanding of the ... -
Mechanistic study of CO2 flooding of asphaltenic oil reservoir
(Masteroppgave/UIS-TN-IPT/2011;, Master thesis, 2011)Carbon dioxide (CO2) injection is one of the most common enhanced oil recovery (EOR) techniques to increase the oil production. CO2 is injected into the reservoir to displace the residual oil left and mobilize the oil to ... -
Metallic nanoparticles for enhanced heavy oil recovery: promises and challenges
(Journal article; Peer reviewed, 2015)With the increasing global energy demand, great attention has been focused on utilizing heavy oil and bitumen, which are potentially located ultra-deep underground and cannot be easily recovered. Numerous recovery approaches ... -
Method selection study of future plug and abandonment at Gjøa field
(Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-06)On the Norwegian Continental Shelf (NCS) there will be a wave of subsea and platform wells that will eventually need to be plugged and abandoned (P&A’d) in a safe and efficient manner. The well abandonment phase is the ... -
Micro- and nano-analyses of fracture-filling after flooding on-shore chalk with different IOR fluids
(Masteroppgave/UIS-TN-IER/2018;, Master thesis, 2018-06-22)Water injection into the Ekofisk-reservoir was introduced in 1987 to enhance oil recovery (EOR) dissolution and precipitation by exposing chalk to various brines at reservoir conditions, which further increased deformation ... -
Micro- and nano-applications to monitor the rock-fluid interaction in fractured chalk
(Master thesis, 2015-06)The aim of this project is to contribute to the research of improved oil recovery (IOR) through studying the formation of new mineral phases in a fractured Cretaceous onshore chalk core, flooded with synthetic seawater ... -
Middle Jurassic Brent Group fault seal prediction Oseberg
(Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-06-15)This thesis provide a case-study of fault-seal characteristics and consequently the retained hydrocarbon column heights in the Oseberg area. The interpretation of the Oseberg structure utilized seismic and well data to map ...