Blar i Institutt for geovitenskap og petroleum på tittel
Viser treff 1193-1212 av 2568
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Improved design of unlined air cushion surge chambers
(Peer reviewed; Journal article, 2021)An overview of important design considerations for unlined air cushion surge chambers is given and three innovative solutions that can enable a safer and more economic design are presented. The paper is based on information ... -
Improved drilling process through the determination of hardness and lithology boundaries
(Master thesis, 2012)The main objective of drilling a well is the potential economic profit. The total cost of a drilling operation result from a complex interplay of many factors (Graham and Muench, 1959). Work that can optimize some of these ... -
An improved model for predicting liquid loading onset in inclined pipes with non-uniform liquid wall films
(Peer reviewed; Journal article, 2021)Liquid loading is a phenomenon in which liquid accumulates in the wellbore of mature gas wells, causing a significant reduction in production and sometimes permanent well abandonment. This paper introduces a new model for ... -
Improved Oil Recovery by Polymer, Surfactant and Low Salinity Water Flooding Applied for Gullfaks field (Statfjord-I1 Segment) Based on applied Reservoir Simulation.
(Master thesis, 2018)Most of the energy used all over the world come from fossil fuel in which hydrocarbons which are non-renewable sources of energy contribute in large percent. Recently most of oil fields are tertiary phase of recovery. As ... -
Improved Petrophysical Evaluation of a Thinly Bedded Oil and Gas Bearing Reservoir, Using Triaxial Resistivity and Nuclear Magnetic Resonance Well Logging Measurements
(Master thesis, 2016)The aim of this thesis was to conduct a petrophysical analysis on a laminated thin bedded reservoir from well 7220/8-1, containing gas in the upper section. A conventional analysis was done in advance, in order to create ... -
Improved Reservoir Drainage Strategy through Characterization:A Case Study of Mnazi Bay Gas Field in Tanzania
(Master thesis, 2018)Reservoir management is a significant aspect in petroleum that aims at optimizing the hydrocarbons recovery. It involves establishing the development and depletion strategies, numerical models for production and reserves ... -
Improving Cementing Practices for Top Hole Casing Strings at the Valhall Field.
(Master thesis, 2014)The main goal of a primary cement job is to provide zonal isolation in the well. Obtaining zonal isolation according to regulations at the Valhall field have been challenging. The complex overburden at Valhall contains ... -
Improving interpretation of complex subsalt structures by integrated modelling. An example from the Barents Sea
(Master thesis, 2018)The geological evolution of the Barents Sea is very complex, due different styles of deformation at different times it passed through. The Barents Sea developed through compressional tectonics during Ediacaran Timanian ... -
Improving Performance on Gazela Field Fox Jacket Wells - Analysis of the Injectors and Producers Wells
(Master thesis, 2015)The following report analysing one of the jacket in Gazela field is located offshore of Cabinda province, that has combination of 8 produceres wells and 4 injectors wells. To achieve it production and injection data ... -
Improving The Efficiency Of Transportation Of Cuttings In Wellbore - Experimental Investigations On Critical Rolling And Lifting Velocities
(Master thesis, 2017)Poor hole cleaning have dire consequences and as a result, special efforts and considerations are planned in drilling operations to avoid complications or hole cleaning issues. Drillers have often been tasked by finding ... -
Improving the Rheological and Mechanical Properties of Oil Well Cement Slurries Using Multiple Chemical Admixtures for Enhancing Zonal Isolation: A Laboratory Evaluation
(Journal article; Peer reviewed, 2022)The study uses chemical and mineral admixtures to understand the critical processes affecting the cement slurry characteristics, including rheological properties, free water, compressive strength, and thickening time. Using ... -
Improving Volumetric Sweep Efficiency by Optimizing Viscous-Gravity Forces in Water-Miscible Gas Injection
(Doktoravhandlinger ved NTNU, 1503-8181; 2014:102, Doctoral thesis, 2014)Water-alternating-gas injection is an enhanced oil recovery method that has been used for many years. Field applications of this method had good performance and the recovery factor was quite promising in the majority of ... -
In situ evidence of earthquakes near the crust mantle boundary initiated by mantle co2 fluxing and reaction-driven strain softening
(Journal article; Peer reviewed, 2019)This study aims to understand the process behind the worldwide connection between deep crustal/upper mantle earthquakes and CO2 emissions along faults in rift zones. We do this by studying CO2-induced mineral reactions ... -
In-depth assessment on the structural geological and engineering geological condition of the weakness zone at Svandalsflona HPP
(Master thesis, 2019)Stutakvelven er en sjakt med 45 graders helning som fungerer både som innløpstunnel og svingesjakt. Den er en del av Svandalsflona vannkraftverk som er lokalisert i et område preget av deformerte kaledonske skyvedekker. ... -
In-Depth Understanding of ICD Completion Technology Working Principle
(Journal article, 2022)The rate-controlled production (RCP) inflow control devices (ICDs) are valves placed in the lower completion of oil and gas wells, capable of autonomously controlling the reservoir inflow. This completion technology ... -
Inclination Control and Deviation Detection (Create Matlab agents to report wellbore Inclination and Deviation)
(Master thesis, 2019)Inclination or deviation related well problems are well known problems during drilling operation. These problems are like tool failure, stuck pipe, logging problem, casing running challenge and borehole cleaning problem. ... -
Inclusion of advection in fractures in the line source equation for analysis of thermal response tests
(Peer reviewed; Journal article, 2024)Proper design of larger ground source heat pump installations, and borehole thermal energy storages (BTES) requires determination of on-site thermal properties of the ground by performing a thermal response test (TRT). The ... -
Index Tests and Their Applications - Determining Rock Strength and Strength-anisotropy as a Function of Inclination by use of Index Testing and Mathematical Modelling
(Master thesis, 2015)Drilling problems in shale continue to be an expensive problem in the petroleum industry due to lack of information concerning rock mechanical parameters. Conventional laboratory tests are expensive and time consuming, as ... -
Inducing Latereal Drillstring Movements to Improve Hole Cleaning
(Master thesis, 2020)Borestrengsrotasjon er en velkjent måte å forbedre hullrensing i høyavviksbrønner. I denne oppgaven undersøkes hullrensingseffekten av heisesysteminduserte laterale borestrengbevegelser både for seg selv, og i kombinasjon ... -
Influence of annular mud and barite content on ultrasonic detection of shale barriers
(Master thesis, 2020)I denne avhandlingen undersøkes forholdene rundt baritt og dets bruk i boreslam. Ultrasoniske metoder for logging bak brønnrør beskrives, med fokus på å skille mellom barittholdig boreslam, lav-impedans sement og skifer. ...