Blar i Institutt for geovitenskap og petroleum på tittel
Viser treff 290-309 av 2535
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AUTOMATED PATTERN RECOGNITION IN REAL-TIME DRILLING DATA FOR EARLY KARST DETECTION
(Chapter, 2021)Drilling in carbonate formations often poses a real challenge to operators, contractors and service companies. Severe fluid losses, gas kicks and other unwanted situations increase drilling risks. These risks are closely ... -
Automated porosity estimation using CT-scans of extracted core data
(Peer reviewed; Journal article, 2022)Estimation of porosity at a millimeter scale would be an order of magnitude finer resolution than traditional logging techniques. This enables proper description of reservoirs with thin layers and fine scale heterogeneities. ... -
Automated well log depth matching: Late fusion multimodal deep learning
(Peer reviewed; Journal article, 2022)Petrophysical interpretation and optimal correlation extraction of different measurements require accurate well log depth matching. We have developed a supervised multimodal machine learning alternative for the task of ... -
Automated Well-Log Depth Matching – 1D Convolutional Neural Networks Vs. Classic Cross Correlation
(Peer reviewed; Journal article, 2022)During drilling and logging, depth alignment of well logs acquired in the same borehole section at different times is a vital preprocessing step before any petrophysical analysis. Depth alignment requires high precision ... -
Automatic Drilling Events Detection in Karstified Formations
(Master thesis, 2020)Karstifiserte formasjoner er tilknyttet skjøre brønner og drenerte brudd, og kan føre til alvorlige borevæske-tapssituasjoner under boring. Dette kan føre til økt driftsstans og kostnader ved boreoperasjoner, og utgjøre ... -
Automatic lithology prediction from well logging using kernel density estimation
(Journal article; Peer reviewed, 2018)Technologies of real-time data measurement during drilling operation have kept the attention of petroleum industries in the past years, especially with the benefit of real-time formation evaluation through logging-while-drilling ... -
Automatic Lithology Prediction from Well Logging Using Kernel Density Estimation
(Master thesis, 2016)This thesis presents an automatic real-time analysis of lithology interpretation through a method of statistical analysis: kernel probability density method. The goal of this thesis is to develop a method for interpreting ... -
Automatic Lithology Prediction on Well Logs Using Kernel Density Estimation Trained By Analysis of Cuttings Data
(Master thesis, 2017)Lithology interpretation is a vital part of the process when drilling oil and gas wells in the petroleum industry. The ability to predict what problems and challenges can occur along the well path and which precautions ... -
Automatic Mud Mixing
(Master thesis, 2011)At the time when easily extractable petroleum is explored, the role of automation technologies becomes more and more important since exploration moves into more challenging environment with higher risks and other work ... -
Automatic System Optimization of Gas-Lifted Wells Using Extremum-Seeking Control
(Master thesis, 2018)Gas lift optimization is a common artificial lift method, where gas is injected into the well to lower the hydrostatic pressure column of the fluid in the tubing. Subsequently, the bottom hole pressure will also be lowered, ... -
Automatic Well Control Simulations
(Master thesis, 2012)Every year kick incidents occur, maybe best remembered by the Macondo blowout in April 2010 resulting in devastating oil spills throughout the Gulf of Mexico. Well control is one of the most important factors in any drilling ... -
Automation and autonomous systems: Human-centred design in drilling and wells
(Research report, 2021)This report is based on an assignment commissioned by the Petroleum Safety Authority Norway (PSA) with the theme of human-centred design and human-machine interfaces in the development and implementation of autonomous ... -
Automation of Blow-Out Preventer Testing
(Master thesis, 2019)Aker BP ASAs visjon er å være det ledende, uavhengige offshore Lete- og Produksjonsselskapet (E&P). Selskapet ønsker å oppnå dette ved å undersøke de tidligere uberørte mulighetene for forbedring gjennom digitalisering ved ... -
AVO Analysis of Subglacial Forms in the North Sea, with the use of High Resolution 3D Seismic
(Master thesis, 2013)Shallow gas and overpressure are potential drilling hazards, and detailed mapping of such risks must be done prior to drilling to prevent loss of money, damage to equipment, and in the worst case, accidents on personnel. ... -
AVO Analysis of the Upper Utsira Interface at the Sleipner Field during Fluid Substitution
(Master thesis, 2017)Higher concentration of carbon dioxide (CO2) in the atmosphere has contributed to increased interest in subsurface carbon capture and storage (CCS) projects. Geologic storage of CO2 re- quires careful prior studies of ... -
AVO Analysis of Turbidite Reservoir Rocks in the Alvheim Field
(Master thesis, 2012)The Alvheim reservoir is a turbidite reservoir, which means that the complex deposition makes it a difficult reservoir to perform predictions regarding reservoir content on. In the preceding project work (Eggen 2012) AVO ... -
AVO classification of facies and fluids constrained by burial history - Demonstrations on real data from Norwegian Shelf
(Master thesis, 2019)Denne studien har til formål å generere AVO-klassifisering av facies/væsker fra Yttergryta til Natalia, og tar hensyn til begravelseshistorien. For å oppnå målet, følges 3-trinns arbeidsflyt. Studien starter med Hampson ... -
AVO Modeling and Interpretation related to Thermal Effects: Åsgard Field, Norwegian Sea
(Master thesis, 2014)In oil exploration, one of the first steps is to conduct a seismic survey to get an overview of the area of interest. If a possible reservoir is found, the only way to determine reservoir quality is to drill an exploration ... -
AVO Modelling and Attribute Analysis of the North-West Slope of the Fedynsky High in the Barents Sea
(Master thesis, 2017)The AVO modelling data is compared with the real seismic data. The data is acquired and seismic cubes are processed on Near, Mid, Far, Ultra and Full Stacks by Schlumberger as part of Statoil's order. Then the stratigraphy ... -
AvO modelling constrained by burial history as an anomaly screening tool in complex geological settings.
(Master thesis, 2020)AvO-teknologi har blitt anerkjent for å være sterkt påvirket av begravningshistorie. Siden bergartene som bygger opp mediet har registrert de forskjellige hendelsene og prosessene i strukturen sin, blir disse hendelsene ...