Blar i Institutt for geovitenskap og petroleum på emneord "Petroleumsfag, Petroleumsgeofysikk"
Viser treff 21-40 av 40
-
Oedometer Tests for Assessing Possible Impact of Fluid-Shale Interactions on a Shale Barrier Formation
(Master thesis, 2017)The focus of the research for this thesis was shale as a barrier. A hole must be permanently plugged and abandoned (PP\&A) at the end of a its lifetime. Regulations require that the annulus is properly sealed off so that ... -
On the Accuracy of Mapping the Lateral Extent of Hydrocarbon Reservoirs in Marine CSEM
(Master thesis, 2016)In marine CSEM it is known that the real areal extent of a hydrocarbon reservoir will not necessarily be mapped correctly during inversion. Generally, the inversion will cause the reservoir to be undersized, as a result ... -
Overpressure Distribution of the Central and Northern Viking Graben - A study of Cretaceous, Jurassic and Triassic sediments
(Master thesis, 2017)The North Sea was subjected to massive faulting during the Jurassic period, resulting in a complex graben structure. Consequently, the Viking Graben is heavily compartmentalized and overpressures occur within the Jurassic ... -
Permeability Prediction from Acoustic Velocity
(Master thesis, 2016)Permeability is estimated in the middle Jurassic Garn Fm. in the Haltenbanken area in the Norwegian Sea by combining the Kozeny-Carman model for permeability estimation with Raymer s model for porosity estimation. The ... -
Petroleum System Analysis of the Chalk Fields in the Danish and Dutch Sector of the Central Graben, North Sea
(Master thesis, 2014)The purpose of this MSc thesis is to use seismic and well data to investigate and understand the petroleum system of the many hydrocarbon discoveries found within the chalk layers of the Danish and Dutch Central Graben. ... -
Porøsitetstrender estimert fra sonic og seismiske p-bølge hastighetsdata.
(Master thesis, 2016)Vi utvikler med dette arbeidet en ny model og metodikk for å estimere lavfrekvente porøsitetstrender fra p-bølge hastighetsdata med en mulighet for å forbedre estimert porøsitet ved å inkludere en litologisk parameter for ... -
Predicting Porosity and Clay Trends from P-Wave Velocity
(Master thesis, 2018)P-waves are sensitive for several parameters, and when P-waves are the only information present, the primary effects have to be identified. In this study, two models are created to describe the relation between porosity, ... -
Preservation of Low Frequencies in Broadband Data Processing
(Master thesis, 2014)Recent developments in the seismic industry have introduced data with a broader frequency content than before. Broadband seismic data has led to challenges in the processing since the majority of the available algorithms ... -
Qualitative and Quantitative Evaluation of Reservoir Quality Through Integrated Interpretation of CSEM, Seismic and Well Data - Pingvin Case Example
(Master thesis, 2017)In the last decades, the marine controlled source electromagnetic (CSEM) method has proven to be a useful tool for de-risking hydrocarbon prospects. Promising statistics and good data coverage in the Barents Sea have sparked ... -
Quantitative Refraction Traveltime Analysis of 3D Seismic Acquired After an Underground Blowout in the Central North Sea
(Master thesis, 2017)A quantitative refraction traveltime analysis was performed in this thesis. Refraction seismic can be used for monitoring in shallow parts of the subsurface where the contribution from conventional reflection data is ... -
Regionalstudie i det vestlige Barentshavet - Relatere kartlagte strukturer fra Kenozoikum til åpningen av havet mellom Norge og Grønnland
(Master thesis, 2016)Denne studien omfatter en regionalstudie av den Kenozoiske lagrekken i det vestlige Barentshavet. Området omfatter Sørvestnaget Bassenget og den nordvestlige delen av Vestbakken Provinsen. Seismiske 2D data levert av ... -
Seismic AVO Analyses and the Impact of Anelastic Attenuation and Seismic Tuning - A Case Study from North Sea, close to Well 2/4-14
(Master thesis, 2017)There are verified thin sandstone layers saturated with oil and gas condensate at shallow depths in Block 2/4, Central North Sea. Gas-saturated sandstone layers are known to be good targets for AVO- analyses (Amplitude ... -
Seismic interpretation of channels and canyons on the southeast flank of the Loppa High, Barents Sea.
(Master thesis, 2016)3D seismic data (1038,38 km2) and three 2D seismic lines are studied in this thesis to investigate four Lower Cretaceous canyons on the SE flank of the Loppa High in the SW Barents Sea, and to construct the late Triassic ... -
Seismic Interpretation of the Continent-Ocean Boundary along the Senja Margin and the Vestbakken Volcanic Province, SW Barents Sea
(Master thesis, 2013)Continental breakup between Eurasia and Greenland led to the formation of the present day continental margin in the Barents Sea. This margin evolved along a large strike-slip zone, called the De Geer Zone with oceanic ... -
Sensitivity of seismic well ties to attenuation effects
(Master thesis, 2015)Seismic attenuation affects seismic data by reducing the amplitudes, by imposing phase distortion and by decreasing the data bandwidth. These effects need to be adequately managed to obtain satisfactory well ties. In this ... -
Source Signature Estimation Based on Recordings in Deep-Towed Streamers Below the Source
(Master thesis, 2017)Source-over-spread acquisition design is a recent development in marine seismic acquisition, aiming to improve imaging of the shallow subsurface. Contrary to conventional towed-streamer acquisition, source-over-spread ... -
Spatial Variation in the Overburden R Factor at the Ekofisk Field from 4D Seismic Analysis and Geomechanical Modelling
(Master thesis, 2017)4D seismic analysis of the overburden is essential in well planning and risk analysis. The dilation factor (R) links the changes in velocities and thicknesses causing time shifts. The focus of this thesis has been determination ... -
Temperature History And Its Impact On AVO Responses In The Halten Terrace Area
(Master thesis, 2015)Temperature is a fundamentally important petroleum geology parameter affecting both i) reservoir quality preservation (diagenetic evolution) and ii) source rock maturation (hydrocarbon generation). The link between ... -
Time-Lapse Refraction Analysis Monitoring Shallow Gas Migration - 2/4-14 Blowout, A North Sea Case Study
(Master thesis, 2018)In January 1989, the drilling of well 2/4-14 situated in the North Sea took a dramatic turn of events when encountering a high-pressure zone. The well kicked and the situation eventually developed into an underground ... -
Time-lapse Seismic Analysis of the Tohoku Earthquake
(Master thesis, 2017)A time lapse seismic comparison of subsurface movements before and after the 2011 Tohoku earthquake is presented in this report. In order to successfully conduct this comparison, an entire processing sequence from raw data ...