Petrophysical and Mechanical Characterization of the Volcanic Rocks in the Hellisheiði Geothermal Field and implications of Thermal Fracturing in CO2 mineralization

The level of advancement in the understanding of the mechanical properties of volcanic rocks is comparatively lower than that of sedimentary rocks. As part of the SUCCEED Project (Synergetic Utilisation of CO2 Storage Coupled with Geothermal Energy Deployment), which aims to investigate the feasibility of injecting captured and produced CO2 into...

Bridging the policy implementation gap: a draft design method for assessment frameworks: Applied to the case of urban geothermal energy development

To deal with the pressure on urban energy infrastructures, renewable urban planning is on the rise and ambitious sustainability targets have been set to transform cities. Although these targets have resulted in many sustainable policies, the implementation of sustainability policies is lagging, hindering the energy transition. One such case, is...

Modelling cloggings in a geothermal reservoir

Due to an increase of precipitation reactions in water by temperature changes, cloggings canoccur in a geothermal doublet. A consequence of the cloggings is that the process of generatinggeothermal energy becomes inefficient eventually. Our goal is to determine which minerals playan important role in the clogging process in each part of the...

From gas to geothermal energy: Adaptations at building level for a lower temperature in the heating network

The transition from fossil fuels to renewable energy sources brings along the reduction of the supply temperature of the distribution heating networks, because renewable energy sources usually provide heat at lower temperatures. This master thesis specifically focuses on the buildings because it is uncertain which adaptations are necessary to...

Assessment of the effect of groundwater flow on the performance of Borehole Thermal Energy Storage systems

In a Borehole Thermal Energy Storage (BTES) system, heat is extracted from or injected to the subsurface, taking advantage of the relatively constant temperatures of the underground. Both thermal conduction and advection can influence the performance of BTES systems, but thermal advection is often neglected in the design process. However, in...

Numerical modelling of an experimental energy pile

Geothermal energy is a way of reducing the cost of energy. Deep geothermal energy systems extract heat from very deep soil layers where the temperatures are very high. Shallow geothermal energy systems are about 150 metres deep and they are used to store heat in the soil, to extract it later and use it for space heating. These shallow geothermal...

Geomechanical Characterization of the Buntsandstein including a Fracture Model

With an increased demand for renewable energy sources, geothermal developments have moved into the spotlight, including sedimentary structures. In the western part of the Netherlands, cretaceous sandstone bodies are already in use for the geothermal energy production. However, these reservoirs are generally producing water at temperatures less...

Synergy between geothermal and stranded oil fields to add value to geothermal projects

The Dutch Government is aiming for a CO2 neutral energy supply in 2050; this requires a transition from using energy from fossil fuels to using renewable energy sources. Decline in oil production in the Netherlands occurs in an epoch with an increased interest in geothermal heat production as an alternative source of energy. In the present study...

Spectral Analysis of Heat Flow in U-tube and Coaxial Shallow Geothermal Systems

Design of a Heating System with Geothermal Energy and CO2 Capture

Heating constitutes about 40% of the final energy consumption at TU Delft. In the present, the district heating system in campus obtains its energy from the combustion of natural gas in a combined heat and power plant. Although this plant produces heat and electricity with an efficiency over 80%, the dependance on a fossil fuel presents an...

The strategic investment decision: Developing a framework to assess strategic investment options in the geothermal industry in the Netherlands

Deep geothermal energy gained more and more attention in the Netherlands over the past few years. It is a renewable energy source with limited air emissions and it can provide reliable base-load power. Since 2007 eight installations were built and more than hundred exploration permits were approved by the Dutch authorities. Many energy firms are...

Assessing the potential of depleted gasfields for geothermal energy

In this thesis, the feasibility of a geothermal doublet in the former Barendrecht gas field is investigated. The aim of this work is to stay as closely as possible to the original well configuration. An IMPEXS model for the movement of the cold-water and thermal front is built to calculate the possible potential of the field. Wellbore heat...

Study of the Lower Cretaceous sands in the Van den Bosch Geothermal energy concession

Goal of this project was to get a better understanding of the producing formations in the two doublets in the Van den Bosch Geothermal energy concession in Bleiswijk. It can be concluded based on the GR logs in VDB-04, the lithologs, End Of Well reports, a Biostrat log in VDB-04 and the seismic interpretation that the first doublet (VDB-01 & VDB...

Reservoir Grain analysis and correlation of GR-log to cuttings for the Ammerlaan geothermal well PNA GT01

Glück Auf: A communication strategy for ‘striking’ social acceptance of geothermal energy in the Netherlands

Geothermal energy is increasingly being explored as an attractive renewable energy source. In recent years several geothermal energy projects have been developed in the Netherlands reflecting growing governmental, industrial and scientific interests. Increasing the use of renewable energy is high on the policy agenda world wide. The degree...

Organization design for the deployment of geothermal energy initiatives in the Netherlands

Geothermal energy has rapidly increased its attractiveness in the Netherlands. However, many geothermal energy initiatives seem to hamper between the feasibility phase and the actual realization of the geothermal energy system. The most commonly known factors that impede the development of geothermal energy initiatives are on a financial level,...