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Spaa, Hidde (author)
Capturing CO2 directly at industrial complexes and safely storing it in the subsurface is one of the proposed mitigation measures of climate change. One of these challenges is identifying suitable reservoirs that ensure the safe and permanent storage of CO2. Therefore, detailed integrity assessments should be performed on the caprock to...
master thesis 2022
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Alhamad Mahmood Abdulaziz M, Mahmood (author)
The aim of this study is to reduce the risk of the ongoing Geothermal exploration effort in Geneva Basin by estimating the influence of the natural fracture on the reservoir properties. A Discrete Fracture Network (DFN) was generated to resemble the fracture network in the Lower Cretaceous carbonate reservoir. The DFN modelling approach is using...
master thesis 2021
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Rossetto, Camillo (author)
The interest in carbonate lithologies has risen in the last few decades, due to discoveries of giant and supergiant carbonate reservoirs. While studying the properties of this lithology, the existence of cave systems at great depths was highlighted, since their presence can lead to drilling related problems, as well as change the flow direction...
master thesis 2020
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Kwakman, Jos (author)
The primary reservoirs present in the Southern Chotts Basin, Central Tunisia, are located within Triassic, Permian and Ordovician units. They are mainly sourced by the Silurian -- Lower Devonian Fegaguira formation and its Hot Shale member. Late Paleozoic exhumation has eroded part of the Palaeozoic package, removing the Early Devonian --...
master thesis 2020
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Smith, Ruaridh (author)
The Southern Chotts and Jeffara Basins are situated within the Saharan Domain of Central Tunisia, North Africa. The Southern Chotts Basin hosts reservoirs within the Triassic, Permian and Ordovician units that contain significant hydrocarbon accumulations whilst the Jeffara Basin contains outcrop analogues of the same hydrocarbon­bearing...
master thesis 2020
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Smits, Sophie (author)
This report contains the results of the two thesis studies that finalise a combined MSc--programs of Reservoir Geology and Science Communication. The first part of the report comprises the multi-scale data (kilometers to meters scale) analysis of a) the large--scale architecture of the subsurface Daly Waters Arch which was obtained from seismic...
master thesis 2020
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El Ahmar, Lynn (author)
Carbonate reservoirs are of significant importance as they host a high percentage of the world’s oil and gas reserves. They are however subject to dissolution and may be heavily karstified often resulting in large cavities which may impose major hazards in drilling and production. In many cases, difficulty remains due to poor understanding of...
master thesis 2019
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Hanif Dinul Islam, Hanif (author)
More than 30% of the world’s hydrocarbon reserves are located in carbonate reservoirs, and this percentage is likely to increase, as a result of discoveries of new giant oil fields in carbonate rocks, generically named “Pre-salt layers”. However, there are still some problems in understanding karst systems that still unresolved. The karst caves...
master thesis 2019
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Gonzalez Gonzalez, Isaac (author)
A seismic survey acquired by the petroleum company Wintershall has been used for this study in order to characterize the fault and fractures present in the area using the latest seismic attribute techniques. With the use of the software OpendTect from dGB Earth Sciences and a methodology developed by (Jaglan Hardeep, 2016) and (Qayyum F, 2015)...
master thesis 2018
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Rocchi, W. (author)
bachelor thesis 2016
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De Callatay, G. (author)
master thesis 2016
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Paulides, C.A.M. (author)
The Zechstein carbonates are an established petroleum play in North-West Europe including the Netherlands. Several undrilled Zechstein buildups have been identified around the Elbow Spit High in the northern part of the North Sea with GIIPs ranging from 1 to 109 m3. Since only few wells penetrate the Zechstein carbonates in this area, little...
master thesis 2016
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Kluge, C. (author)
The Moroccan passive margin has been the objective of a variety of studies to investigate the petroleum potential and to locate play systems in the offshore and partly onshore Agadir-Essaouira basin. These basins are largely dependent on the structural development of Atlas mountains, being characterised by different phases of tectonic rifting,...
master thesis 2016
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Ranjan, S. (author)
Outcropping fracture data in different structural domains of an outcropping fold in Tunisia have been analyzed in previous studies. Also, the fold geometry has been reconstructed in 3D using outcrop and seismic data. The project is mainly focused on the prediction of the fracture distribution in different domains of a fold based on the stress...
master thesis 2015
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Primarini, M.I.W. (author)
The rapidly decreasing reserves of conventional gas has forced oil and gas industries to conduct more exploration on unconventional resources, like shale gas. To produce gas from shales in economically viable manner, stimulation techniques like hydraulic fracturing are required. One important factor for a successful hydraulic fracturing is...
master thesis 2015
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Doff, J.M. (author)
The goals of this thesis were to understand the impact of uncertainties and modeling methods on the resulting stress and strain patterns and to see how 3D stress patterns can be linked to what was seen in the field. In 3 types of models simulations were done to carry out this goal. These are the 2D perturbation model, the 2D static model, and...
bachelor thesis 2015
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Boeser, D.M. (author)
Fracture modelling is growing more important due to the effect they have on the flow of the hydrocarbons. The traditional approach for fracture modelling is a combination of either curvature analysis and/or statistical extrapolation of fracture information from well or borehole logging. This approach however does not fully reflect the geological...
master thesis 2014
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Strikker, C.J. (author)
This master thesis comprehends a study on khettaras, historical subsurface drainage tunnels, in East Morocco. A numerical groundwater model was set up to simulate these systems and to get a better understanding of their behaviour. Subsequently, the model was used to simulate the effect of several scenarios: increased use of pumped wells in the...
master thesis 2014
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Althuis, K.Y. (author)
The fracture patterns in an outcrop of the Alima anticline in central Tunusia is investigated. A 3D model of the outcrop is made in Photoscan. The fractures are digitized in 3D using OpenPlot software. OpenPlot can automatically calculate the orientation of every fracture. The length has to be calculated in Excel. Stereonet is used for further...
bachelor thesis 2014
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Pengel, A.S. (author)
The characteristics of natural fracture systems is very valuable information when considering exploiting a fractured subsurface oil /gas reservoir. Open fractures are like highways for fluid flow and knowing the orientation, length and intensity of these fractures will greatly improve the accuracy of fluid flow models. Linking fracture...
bachelor thesis 2014
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