The goal of this special issue - Netherlands Journal of Geosciences Volume 98 - is to give fresh insights into geothermal plays and projects and associated challenges, as well as to provide a broad scope of the various disciplines involved in this business. The papers were written and revised in the period between late 2018 and late 2019. A first set of papers has been published in December 2019. The complete special issue will be published in spring 2020.
The papers in this special issue are grouped into six sections.
- In the first section, an introduction to geothermal energy in the Netherlands is presented.
- This is followed by a section that provides an overview of projects in European countries close to the Netherlands that have their own type of geothermal exploitation and plays. Learnings can be drawn from these projects and industries, some of which have been active for decades already.
- The third section focuses on the different geothermal plays in the Netherlands. It first gives an extensive introduction to the Dutch subsurface and its role in geothermal energy, after which a number of papers discuss a specific area within each play. These plays and areas have their own specific challenges, e.g. connectivity, presence, predictability of reservoir characteristics.
- In the fourth section, the role of geothermal energy in the energy transition is described and an outlook on optimization of geothermal developments with both a play-based portfolio approach and a dual hydrocarbon–geothermal exploitation is presented.
- The last section touches upon several operational aspects and technical hazards and risks that are (possibly) associated with the exploitation of geothermal energy.
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