Blar i Department of Petroleum Engineering på tittel
Viser treff 176-195 av 587
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Effect of water-extractable carboxylic acids in crude oil on wettability in carbonates
(Journal article, 2011)The acidic components of the crude oil have a profound effect on the initial wetting conditions and possible wettability alteration by seawater in carbonates. In this work, three types of crude oils with different ... -
Effect Screen Erosion on Reservoir Performance
(Masteroppgave/UIS-TN-IPT/2017;, Master thesis, 2017-06-15)Oil and gas are mainly produced from sandstone reservoirs, where sand production may play an important role in the whole reservoir development strategy, not only in terms of optimizing well completion, but in well rate and ... -
Effective application of solvent addition for improving the performance of SAGD process
(Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-06)This research attempts to assess the effects of changing the injection times for CO2 solvent injection in the Solvent Assisted SAGD process and to study the phase behavior of Steam, Solvent and Oil. Simulations were ... -
Effects of fines migration on CO2 well injectivity
(Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-06-15)Carbon capture and storage is considered an important way to reduce atmospheric emission of greenhouse gases such as CO2. This technology involves capture of carbon from the source of emission, transportation to storage ... -
Effects of ions on oil recovery by low salinity water flooding on chalk reservoir
(Master thesis, 2016-06-15)Low salinity water flooding has shown its potential for incremental oil recovery. It has been widely researched Oil Recovery method. However, the mechanism of the method has not fully understood. This is mainly due to ... -
Effects of Lost Circulation Material on Cement Properties
(Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-06-15)This study aims to find the effect lost circulation materials has on cement slurries through testing in viscometer, pressurised consistometer and static gel strength analyser at selected concentrations. A worksheet containing ... -
The effects of pH, time and temperature on the stability and viscosity of cellulose nanocrystal (CNC) dispersions: implications for use in enhanced oil recovery
(Journal article; Peer reviewed, 2017-08)Cellulose nanocrystals (CNC) are currently being investigated as potential additives for enhanced oil recovery (EOR). Presented in this paper is a study investigating the effects of different physical and chemical environments ... -
Effects of salt geometry on the overburden calculation for borehole stability study
(Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-06-29)Pre-drill pore pressure and fracture gradient predictions are important for successful drilling and well construction. There are numerous different methods for calculating the pore pressure in shales without direct ... -
Electrofacies analysis - a possible use in Paleogeographic understanding of a North Sea reservoir
(Masteroppgave/UIS-TN-IPT/2015;, Master thesis, 2015-06-15)The study area is centered around the B prospect, which is situated in block 34/6, in the northern part of the Tampen Spur area, northern North Sea. In the study area, lateral changes in reservoir properties of the Lower ... -
Emulsions For Enhanced Oil Recovery EOR
(Masteroppgave/UIS-TN-IPT/2017;, Master thesis, 2017-06)______Oil recovery projects have become a valuable source in oil industry in the recent years due to market challenges and economic stability. This is a typical practice that have been applied in oil and gas reservoirs to ... -
En studie av kunnskapsdeling og erfaringsoverføring i boreoperasjon og brønnplanlegging
(Masteroppgave/UIS-TN-IPT/2010;, Master thesis, 2010)Denne oppgaven tar utgangspunkt i hvordan kunnskapsdeling og erfaringsoverføring praktiseres innen avdelingen for brønnplanlegging og boreoperasjon i Odfjell Well Management AS (OWM). Formålet med oppgaven var å analysere ... -
Enhanced oil recovery (EOR) by "smart water" in carbonates reservoir
(Masteroppgave/UIS-TN-IPT/2014;, Master thesis, 2014-05-30)Characterization of the reservoir limestone cores has to be specified to obtain possible solution (designed water) based EOR technique to enhance the oil production. In this project a parametric study was performed to ... -
Enhanced oil recovery from Sandstones and Carbonates with “Smart Water”
(PhD thesis UiS;341, Doctoral thesis, 2017-03-31)According to the International Energy Agency crude oil is expected to contribute approximately with 26% of the world’s energy supply by 2040. In a per year basis, new oil discoveries have dropped to a 60-year low in 2015, ... -
Enhanced oil recovery in limestone. Chemical effects of seawater injection on the rock surface at different temperatures
(Masteroppgave/UIS-TN-IPT/2007, Master thesis, 2007)The fluid location, flow and distribution in a reservoir rock are to a large extent governed by the wetting condition of the rock. These factors influence oil and gas production, water flood recovery and the performance ... -
EOR in chalk: Optimized oil recovery with modified seawater
(Masteroppgave/UIS-TN-IPT/2011;, Master thesis, 2011)The effect of using seawater or modified seawater as a wettability modifier in chalk has been previously investigated at higher temperatures. This work has shown that “smart water” improves the oil recovery due to ... -
Evaluating Flowing Conditions of Faults and Fractures from Well Testing and Interpretation: A Study Based on Reservoir Simulation
(Masteroppgave/UIS-TN-IPT/2017;, Master thesis, 2017-06-15)The scope of the thesis was inspired by the studies of CO2 storage in saline aquifers containing faults conducted at IRIS within the ENOS project1. In storage site evaluations, assessing and preventing leakage from the ... -
Evaluating provenance techniques in the hydrocarbon industry: Compositional quantification of modern sands from known tectonic settings as analog for the correlation of hydrocarbon bearing rocks in ancient geological settings.
(Masteroppgave/UIS-TN-IPT/2012;, Master thesis, 2012)Major and trace element analyses show different compositions between the sediments of the Karmøy southeast shoreline and the sediments of northern Randaberg. Also supported form petrographic analyses, the Karmøy samples ... -
Evaluating the potential of low-salinity water flooding to enhance the oil recovery in limestone reservoir
(Masteroppgave/UIS-TN-IPT/2011;, Master thesis, 2011)In this project, the potential of low salinity brine to enhance the oil recovery has been studied. Four flooding tests were conducted both on limestone cores containing anhydrite and chalk core containing no sulfate. -
Evaluation of a method of placing cross-sectional barriers during permanent plugging of wells
(Masteroppgave/UIS-TN-IPT/2010;, Master thesis, 2010)When oil and gas wells reach the end of their production life, they need to be permanently plugged and abandoned. The requirements for a permanent barrier state that it must cover the entire cross-section of the wellbore, ... -
Evaluation of Alkaline Sodium Silicate Gel for Reservoir In-Depth Profile Modifications to Enhance Water Sweep Efficiency in Sandstone Reservoirs
(PhD thesis UiS;221, Doctoral thesis, 2014-03)Alkaline sodium silicate (Na-silicate) is addressed to be applied for in-depth water conformance control in sandstone reservoirs containing high permeability layers. The main factors affecting the gel time, strength ...