Blar i Institutt for geovitenskap og petroleum på emneord "Petroleum Geosciences, Petroleum Geophysics"
Viser treff 1-20 av 45
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2-D and 2.5-D Multi-scale Full-Waveform Inversion in frequency domain for high-resolution P-wave velocity (Vp) and quality factor (Q) models at Sleipner field.
(Master thesis, 2018)In this work, we have applied a multi-scale discretized Full-Waveform Inversion in frequency-space domain considering both the 2-D and 3-D viscoacoustic wave equation for deriving P-wave velocity (Vp) and quality factor ... -
3D seismic interpretation in a deep-marine depositional environment from Lower Congo Basin offshore Angola
(Master thesis, 2013)3D seismic data from the offshore Congo Basin, Angola has been performed in order to do geological interpretation of deep-marine deposits and understand the depositional system in the basin. Architectural elements, such ... -
3D seismic interpretation in a deep-water depositional environment from Lower Congo Basin
(Master thesis, 2013)This Master of Science (M.Sc.) thesis focuses on the detailed characterization and interpretation of deep-water depositional system within Lower Congo Basin, offshore Angola. The application of seismic geomorphology has ... -
A Timelapse Development of the Levant Basin since the Early Pliocene - Documenting the Seismic Geomorphology and Stratigraphy of Depositional Elements
(Master thesis, 2017)Investigation of the seismic geomorphology of the overburden in the southeastern Levant Basin -
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 ... -
Basement High - Related Cretaceous Submarine Fans Growth in Southwestern Barents Sea
(Master thesis, 2018)Deep marine sandstone deposit is one of favorable hydrocarbon reservoir in Norwe- gian Basin. However, it remains not being fully understood due to its variation in term of sedimentation process, distribution, and reservoir ... -
DEPTH TO BASEMENT INTERPRETATION & BASEMENT CHARACTERIZATION BY INTEGRATED MODELLING OF SEISMIC AND GRAV/MAG DATA
(Master thesis, 2018)The work expected to provide more information of the basement from interpretation of gravity-magnetic data and their integrated modelling with seismic data as one of the inputs. -
The Effect of Partial CO2 Saturation on the Elastic Properties of Castlegate Sandstone Measured at Seismic and Ultrasonic Frequencies
(Master thesis, 2016)The Oil & Gas industry started to tackle the problem of CO2 emissions through subsurface storage in depleted reservoir formations. Such are the cases of the Sleipner West Field in the North Sea (Eiken, Brevik et al. 2000), ... -
EFFECTIVE ANISOTROPY VERSUS FLUID SATURATION
(Master thesis, 2015)Anisotropy has proved to be a reliable means for determination of the rock properties necessary to characterize the subsurface. VTI is a form of anisotropy which provides an estimate of the layered earth. This report ... -
Estimating Net Erosion in the Western Barents Sea
(Master thesis, 2016)Quantification of uplift and erosion in the western Barents Sea has been a relevant and challenging problem for geoscientists for several decades. Uplift and erosion processes have implications for petroleum prospectivity, ... -
ESTIMATION OF PERMEABILITY IN SILICICLASTIC RESERVOIRS FROM WELL LOG ANALYSIS AND CORE PLUG DATA; BASED ON THE DATA FROM AN EXPLORATION WELL OFFSHORE NORWAY
(Master thesis, 2017)Many approaches to estimating permeability exist. By considering the importance of rock types, various petrophysical models have been developed. This project explores techniques for applying well logs and other data to the ... -
Evolution of Tromsø Basin in the light of salt tectonics
(Master thesis, 2015)Two dimensional (2D) seismic data was used for seismic interpretation of the main horizons in Tromsø Basin and mapping of the salt structures in the study area. Seismic data covers area of approximately 134x140 km comprising ... -
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 ... -
An integrated study for lithology and fluid prediction in the Cretaceous sediments from Halten Terrace. - Rock Physics Templates, AVO attributes and Inversion analysis.
(Master thesis, 2018)AVO attributes analysis and Seismic inversion are useful tools for quantitative reservoir characterization. They are used to validate hydrocarbon presence and mitigate the exploration risk. This study has as objective the ... -
Joint Rock Physics Inversion of Seismic and Electromagnetic Data for CO2 Monitoring at Sleipner
(Master thesis, 2018)The Carbon Capture and Storage project that is taking place at the Sleipner field involving the injection of CO2 into Utsira sandstone reservoir at 1012 m below sea level. The migration of CO2 must be monitored to understand ... -
Machine learning assisted low-frequency model building for AVO inversion
(Master thesis, 2018)AVO inversion is a valuable tool to estimate absolute reservoir properties from prestack seismic data. The bandwidth limitation of the seismic requires that the missing low frequencies must be added to the inversion in ... -
Modeling burial induced changes in physical sandstone properties - A case-study of North Sea and Norwegian Sea sandstone formations
(Master thesis, 2017)The changes in physical properties of sandstones with burial depth are a result of mechanical and chemical compaction processes. These processes are affected by rock microstructure, pressure regimes and temperature history. ... -
Net exhumation estimation from seismic traveltimes and burial history modelling in the Western Barents Sea.
(Master thesis, 2018)A new seismically based technique is proposed for the estimation of net exhumation magnitudes in sedimentary basin areas. The method uses traveltimes mapped from well log data or pre-stack seismic data, starting from the ... -
Numerical modeling of fracture initiation using plasticity models
(Master thesis, 2018)Nowadays hydraulic fracturing is a key part of the oil and gas industry to enhance the field's production. Therefore, is important to understand how fractures initiate and how to extract important information from them for ... -
Origin of anhydrite rocks in the Tromsø Basin, and the evolution of the Tromsø Basin in the light of salt tectonics
(Master thesis, 2016)The Southwestern Barents Sea Shelf is estimated to contain 260 300 billion m3 of gas reserves, of which a significant amount have been proven to be associated with salt structures in the Nordkapp Basin. Salt tectonics ...