Searched for: mods_note_programme_s%3A%22Applied%255C+Geophysics%255C+and%255C+Petrophysics%22
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Schwarz, C. (author)
Switzerland is exposed to earthquakes and has a high vulnerability and high losses endangered. The available seismic risk models are not sufficient and therefore the development has to go towards a new Swiss national seismic risk model. The model developed is an end-to-end calculation from the initial hazard to the final loss. It contains a...
master thesis 2015
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Reinicke Urruticoechea, C. (author)
Blending is a recent seismic acquisition design, which allows seismic shots to interfere. Current processing techniques are not capable to deal with blended data. Consequently, the blended data must be deblended (separated) as if they were acquired in a conventional way. I propose a new acquisition design based on blended crossline sources. In...
master thesis 2015
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Schuberth, M.G. (author)
In marine seismic acquisitions, a major deteriorating effect on resolution is caused by ghost re- flections. Sensors towed at depth within a water column record not only the desired up-going wavefield reflected from geological formations, but also its reflections from the sea surface known as down-going wavefield, or seismic ghost. This...
master thesis 2015
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Lux, F.G. (author)
Several internal multiple prediction methods have been proposed in the past and are still actively being researched. Of those, the Jakubowicz method is currently the most attractive and applied one, as it only uses surface data in a convolution and correlation process, and is therefore computationally relatively cheap. This allows its commercial...
master thesis 2015
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Amin, A. (author)
This research focuses on the analyze of the heterogeneity of the Groningen gas field, i.e. characterization of the reservoir rock and the sealing Zechstein salt on top of the reservoir, by modeling the rock properties of the formations. The aim of this study is twofold, namely to characterize the thickness, shale content and porosity of the...
bachelor thesis 2014
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Wu, S. (author)
Blended acquisition, or simultaneous source acquisition, is a relatively new seismic acquisition design that allows shot interference. Deblending is the procedure that separates the interfering shots as if they were acquired conventionally. This thesis reviews one of the more advanced deblending algorithms in great detail, and demonstrates that...
master thesis 2014
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Velds, C.B. (author)
Seismic interferometry is the process where new impulse responses, i.e. Green’s functions, are retrieved between two points by cross-correlation, convolution or deconvolution of wavefield responses. Seismic interferometry is also referred to as Green’s function retrieval. Newly retrieved Green’s function might contain spurious events that arise...
master thesis 2014
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Van der Woude, T.I.S. (author)
A 9-component seismic cone penetration test (SCPT) was conducted at a site near Delft. A sledge hammer striking horizontally a wooden plate was used to generate shear (S) waves polarized in the crossline and inline directions. A vertical hammer hitting a metal plate generated the P wave. The data were acquired using a recently developed array (7...
bachelor thesis 2014
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Brackenhoff, J.A. (author)
Nowadays, marine Controlled Source ElectroMagnetic surveys are commonly used for oil exploration whereas similar surveys on land are still a rarity. In recent years theoretical studies have shown that using a horizontal source and vertical receivers on land will result in lower noise levels measured by the receivers. In order to test this, a...
bachelor thesis 2014
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Parker, A.C. (author)
Rock heterogeneities exist in mostly all rock types present in the Earth’s crust. Fractures are one such heterogeneity, which can range in size from very small micro-scale diffuse fractures to huge kilometer-wide regional features and meso-scale fracture corridors. The characterisation of fracture properties has many important implications for a...
master thesis 2013
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Quintero, J.A. (author)
This report presents a description of a set of high amplitude anomalies along a 3D seismic stratigraphic interpretation for the Cretaceous sequence in the north-west margin of Porcupine basin. Porcupine is a sedimentary basin, western offshore of Ireland, closely related to the Opening of the North Atlantic Ocean. This basin presents three...
master thesis 2013
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De Waard, V.M. (author)
In this thesis, seismic interferometry by multi dimensional deconvolution is used to retrieve the surface-wave response from a virtual source to a receiver by using the observations due to, often passive, noise sources located elsewhere. The virtual source response is used to retrieve the phase velocity, a property used for shallow subsurface...
master thesis 2013
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Da Col, F. (author)
In this work we present the application of a direct tomographic inversion method, similar to that historically used in global seismology, to exploration scale. We will start with an excursus on the physical background necessary to understand how surface waves propagate and the charachteristics which make these waves suitable for inversion. In...
master thesis 2013
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Meijer, W.Y. (author)
Numerical models were used to recursively compute the density profile and the seismic velocity profile of three different artificial models of the underground from primary reflection images obtained from multi-angle incident plane wave reflection data. The aim is to investigate the effect of errors in the obtained primary reflection amplitudes...
bachelor thesis 2012
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Velds, C.B. (author)
Measuring and analyzing ground penetrating radar data on different sand-clay soils as a function of water content
bachelor thesis 2012
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Stallone, A. (author)
Fractures and faults play an important role in controlling the flow and transport properties in a reservoir and that is the main reason for which their characterization is very important in hydrocarbon exploration. In addition to this, the possibility of characterizing fractures can represent a great advantage in other fields, like geothermal...
master thesis 2012
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Menzel-Jones, G. (author)
Elastodynamic and electromagnetic processes are coupled together in saturated, porous media, by a phenomenon known as the electrokinetic effect. In horizontally layered media, the seismoelectric system, which contains the coupled elastodynamic and electromagnetic systems, can be separated into two independent modes of propagation: SH-TE and P-SV...
master thesis 2011
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Van Oeveren, H.E.J. (author)
bachelor thesis 2011
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Auduson, A.E. (author)
Wintershall is operating a number of Buntsandstein fields in the Southern North Sea. It has proven a major exploration challenge in the area to predict the reservoir quality of these fields based on seismic data only. The effect of salt present in the area plugging the pore space leads at first sight to similar seismic responses on post-stack...
master thesis 2010
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Afanasyev, M. (author)
A Ground Penetrating Radar (GPR) survey was conducted in April of 2008, collecting 27 km of radar profiles in Sandflugtdalen, a permafrosted glacio-fluvial bedrock valley in West Greenland. Due to low electric permittivity of frozen soil, GPR has good depth penetration of permafrost, up to 80 m using low-frequency (50 MHz) antennae. Resolution...
master thesis 2009
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