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Hamann, Jonas (author)
A fundamental challenge in the successful implementation of large-scale energy storage (LSES) in the Netherlands is the required public support for underground activities of Dutch citizens. In this study the key considerations and perspectives regarding the (financial) participation, as a means to increase public support, were explored by...
master thesis 2022
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Troost, Diederik (author)
Jetted radial wells are a relatively new form of hydraulic stimulation for oil and gas wells, where small diameters holes extend radially from a wellbore. This technique for increasing well connectivity could also be applied to geothermal wells. Radials can be freely placed along a backbone well, making the design of an economically viable well...
master thesis 2019
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Reerink, Ayla (author)
Simulation to predict the well and reservoir performance is a very important and established process in reservoir engineering. Integrated production modeling allows improving the understanding of the field’s performance and production network, fluid flow behavior and optimization at any stage and level during the life of the field through...
master thesis 2018
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Ammiwala, Huzefa (author)
A petroleum production system is generally modelled based on the concept of nodal analysis, where the entire system is broken down into discrete elements such as near-well bore, tubing, surface choke and flow line. Operating flow rates and pressures can be estimated with a nodal analysis procedure by calculation of the intersection of...
master thesis 2017
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Postma, T.J.W. (author)
Over the past decade, a steep increase in the number of seismic events has been observed in the Groningen gas producing region of the Northern Netherlands. It is generally accepted that these are induced by compaction of the reservoir rock due to extensive field depletion, causing a buildup of strain energy which may be released seismically when...
master thesis 2017
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Maas, T.R. (author)
• In the planning of new wells, typically the same trajectory is used for conventional wells and wells with smart completions. This study demonstrates that the economically optimized trajectory for smart and conventional wells can be very different. Two new well trajectory optimization algorithms were developed using Stochastic Pattern Search ...
master thesis 2016
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Jongerius, M. (author)
Compaction occurs in many consolidated hydrocarbon reservoirs and is responsible for both improvement and loss of recovery. This study assesses the effects of rock compaction and the consequences on the production and recovery in unconsolidated shallow gas reservoir a topic of which little is known. The compaction behaviour in unconsolidated to...
master thesis 2016
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Van Harmelen, A. (author)
Reservoir characteristics such as size and permeability are often non-trivial, which is why sophisticated yet often time-intensive numerical models are commonly used in the Closed-Loop Reservoir Management of subsurface reservoirs in order to maximize profit from oil production. For certain reservoirs, however, simple analytical models can...
master thesis 2016
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Yap, F.K. (author)
master thesis 2016
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van Breukelen, I. (author)
The current allocation method for gas condensates in the offshore gas fields (of Shell and partners) of the Southern North sea is unreliable. The allocated values of the gas condensates are physically not possible. The current allocation method shows condensate gas ratios that are extremely varying (and sometimes increasing) over time, while it...
master thesis 2016
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Sharifian, R. (author)
Predicting accurate temperature profiles in flowing wells can greatly improve the design of production facilities in petroleum and geothermal engineering. Temperature profiles help to calculate accurate two-phase-flow pressure drop predictions, which, in turn, can improve an artificial-lift system design. Existing temperature correlations are...
master thesis 2016
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Roijmans, R.F.H. (author)
Optimization of drilling fluid properties is an essential part of cost effective drilling operations and process safety. Currently fluid properties are measured and optimized manually by human engineers with different skills and experience which might lead to nonoptimum drilling fluid properties that deteriorate its functionalities. Automated...
master thesis 2016
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Hijnekamp, T.A.J. (author)
The focus of this research is on samples taken from the return flow. With these samples and within the context of the Marsdiep project it is investigated if Horizontal Directional Drilling (HDD) can be used as a Site Investigation (SI) technique. In the Marsdiep project the feasibility of a pipeline constructed using HDD between the island Texel...
master thesis 2016
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Nooney, K.C. (author)
In the current plans of Delft Aardwarmte Project (DAP), it is considered to perform the drilling operation by using pipes which remain in the well after drilling thus acting as a casing, the so-called “Casing While Drilling” (CwD) technique. Due to the absence of drill pipe tripping prior to casing the well, this technique results in reduced...
master thesis 2015
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Peters, S.A. (author)
In the Netherlands, a significant number (25+) of small tight natural gas fields are stranded. They are classified, according to the PRMS definition, as ‘contingent resources’. The combination of low GIIP and low permeability currently do not allow these fields to be developed economically without stimulation, which is usually required to...
master thesis 2015
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Smorenburg, B. (author)
Producing an oil well is a transient process, and although we like to assume there is a steady state phase in the production life, it is a fragile situation. Due to the many unknowns in the reservoir, changes in well production performance cannot easily be predicted. Changes in the subsurface will influence the production and lifetime of the...
master thesis 2015
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Hewson, C.W. (author)
Production optimisation of a reservoir simulation problem can be very computationally demanding as the reservoir model may contain many variables and nonlinearities, thus many iterations may be needed to obtain an optimal production schedule. Using Proper Orthogonal Decomposition and Trajectory Piecewise Linearization (POD-TPWL) developed in [1]...
master thesis 2015
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De Zeeuw, J.Q. (author)
The computer assisted optimization of well locations in reservoirs can result in a better planning of the reservoir development and non-trivial optimal locations can be found. Currently most optimizers use gradient-free methods which require significant computing capacity. Especially when considering decision making under uncertainty there is a...
master thesis 2015
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Loomba, A.K. (author)
Delineating the well placement and trajectory of production or injection wells is an important step of any field development program. Drilling a well is an expensive process in terms of money, time and effort invested. Being an expensive item, wells must be carefully studied before being drilled. In order to make this process more efficient,...
master thesis 2015
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Purba, R.T. (author)
This thesis addresses the problem of permeability estimation of an oil reservoir using oil production data, a process known in the oil industry as computer-assisted history matching or data assimilation. Zilko (2012) compared the well-known Ensemble Kalman Filter method for data assimilation with the Non-Parametric Bayesian Beliefs Network (NPBN...
master thesis 2015
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