Blar i Department of Petroleum Engineering på tittel
Viser treff 106-125 av 587
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Compositional simulations of producing oil-gas ratio behaviour in low permeable gas condensate reservoir
(Masteroppgave/UIS-TN-IPT/2013;, Master thesis, 2013-06-11)Gas condensate flow behaviour below the dew point in low permeable formations can make accurate fluid sampling a difficult challenge. The objective of this study was to investigate the producing oil-gas ratio behaviour ... -
Computation of the relationship between interfacial area, capillary pressure and saturation in porous media based on the level set method
(Masteroppgave/UIS-TN-IPT/2012;, Master thesis, 2012)To gain a better understanding of the relationship between capillary pressure, water saturation and interfacial area in two phase flow, we have studied the drainage and imbibition process for an oil-water system. A level ... -
Computer assisted history matching : A comprehensive study of methodology
(Masteroppgave/UIS-TN-IPT/2013;, Master thesis, 2013-06-17)History matching is an important step in reservoir simulation study. The objective is to validate a reservoir model before it is used for prediction. In conventional way, people do history matching by manually adjusting ... -
Consequences of small leaks in wellhead system
(Masteroppgave/UIS-TN-IPT/2013;, Master thesis, 2013)An increased frequency of minor gas leakages from seals in the wellhead (WH) area have been detected and recently given an increased focus among companies on the Norwegian continental shelf. Among others have Statoil and ... -
Contribution to supply chain management and incentive modeling with application from the upstream oil and gas industry
(PhD thesis UiS;, Doctoral thesis, 2011)The general subject of this thesis is incentive modeling related to inter-organizational relationships and supply chain management in the oil and gas industry. More specifically, it ncludes an embedded multiple case study ... -
Controller design for back pressure Managed Pressure Drilling when using oil based mud in long wells.
(Masteroppgave/UIS-TN-IPT/2017;, Master thesis, 2017-06-14)In all drilling operations, downhole pressure requires to be closely monitored and measured at all times. Mainly, drilling fluid is used to balance the formation pressure downhole, a pressure that is created so that formation ... -
Controls on upper Paleozoic carbonate build-up development in the South Central Norwegian Barents Sea
(Masteroppgave/UIS-TN-IPT/2015;, Master thesis, 2015-06-12)This study focusses on aspects related to carbonate build-ups in an upper Paleozoic succession in the south central Norwegian Barents Sea. Seismic and well data are used to map and characterize the protozoan and heterozoan ... -
Converted wave imaging and velocity analysis using elastic reverse-time migration
(Masteroppgave/UIS-TN-IPT/2017;, Master thesis, 2017-06-22)Along the continuous evolution of exploration seismology, the main objective has been producing better subsurface seismic images that lead to lower risk exploration and enhanced production. The unique characteristics of ... -
Core-scale simulation of polymer flow through porous media
(Masteroppgave/UIS-TN-IPT/2011;, Master thesis, 2011)From a multitude of laboratory studies conducted by various researchers during roughly the last 40 years (e.g. Hirasaki and Pope 1974, Heemskerk et al. 1984, Stavland et al. 2010), it has been identified that the behavior ... -
Correct sampling of gas condensate reservoir with liquid drop around the well
(Master thesis, 2014-06-15)In gas-condensate system for an accurate engineering and science computations such as reserves estimation and well testing and analysing a concrete knowledge of phase and fluid phase behaviour is very significant. In ... -
Cost and duration estimation for deep enhanced geothermal system well
(Masteroppgave/UIS-TN-IPT/2013;, Master thesis, 2013)Geothermal energy is today recognized as a weather independent and stable energy source with significant potential. The high cost of drilling long-reach wells is a key bottleneck and a show stopper for the realization of ... -
Coupling of trishear fault-propagation folding and ground process modelling.
(Masteroppgave/UIS-TN-IPT/2017;, Master thesis, 2017-06-15)This thesis couples two processes, tectonics and sedimentation, by simulating the kinematics of fault-propagation folding with sedimentary processes in the form of erosion, transport, and deposition, in a 3D numerical ... -
Creep behavior and loading rate dependency of chalks
(Masteroppgave/UIS-TN-IPT/2009;, Master thesis, 2009)‘‘Mechanically high porosity chalks behave as frictional materials, but with an end-cap reflecting pore collapse failure, and the mechanical properties of chalk are strongly dependent on the type of fluid in the pores’’ ... -
Cretaceous-Cenozoic tectonostratigraphic evolution of the Loppa High
(Masteroppgave/UIS-TN-IPT/2009, Master thesis, 2009) -
Cutting transport models and parametric studies in vertical and deviated wells
(Masteroppgave/UIS-TN-IPT/2013;, Master thesis, 2014-01-09)Field experience shows that the accumulation of cutting in a wellbore causes several drilling problems. These include an increase in torque and drag, which may limit drilling from reaching to a desired target formation. ... -
Cuttings transport in inclined and horizontal wellbore
(Masteroppgave/UIS-TN-IPT/2010;, Master thesis, 2010)Efficient cuttings transport and hole cleaning is very important for obtaining an effective drilling operation. In inclined and horizontal drilling, hole cleaning issues is a common and complex problem. This thesis explores ... -
Data Accuracy from Well Test Operations
(Masteroppgave/UIS-TN-IPT/2015;, Master thesis, 2015-12-18)This master thesis presents a study on data accuracy from well test operations. All data measuring methods, except bottomhole and surface PVT sampling, is investigated for the accuracy related to procedure and equipment ... -
Deep water well intervention and fluid selection
(Masteroppgave/UIS-TN-IPT/2012;, Master thesis, 2012)Worldwide, the number of subsea wells showed a substantial increase over the last decade. This trend is particularly relevant for deep- and ultra deep-water field developments, indicating that the offshore oil and gas ... -
Deepwater Challenges & Well Control
(Masteroppgave/UIS-TN-IPT/2017;, Master thesis, 2017)Deepwater challenges and well control problems are important drilling issues, as operators move into deeper waters and more challenging environments. The deepwater technology and the complexity of deepwater operations have ... -
Deepwater drilling problems
(Masteroppgave/UIS-TN-IPT/2009, Master thesis, 2009)Several problems encountered in the deepwater makes it very difficult in terms of accessibility for drilling. In this work, the major problems in the deepwater are identified, and discussed from different perspectives. ...