Page 31 - European Energy Innovation - winter 2019 publication

Winter 2019 European Energy Innovation 31

COMMUNICATION

Hellisheiði Power Plant

S4CE5: A Well-established GeoHex6: Towards enhanced heat GEPRO7: Understanding Geofluid
Interdisciplinary Network exchangers performance Chemistry
of Scientists to Trust the GeoHex aims to develop heat Project GEOPRO is designed to
Environmental Safety of Geo- exchanger (HX) materials addressing generate targeted advances in the
energy Operations both improvements in anti-scaling understanding and modelling of
S4CE aims to develop, test and and anti-corrosion properties, as geofluid characteristics, to support
implement technologies needed for well as, heat transfer performance, geothermal users by a) Supporting
successfully detecting, quantifying leading to more efficient and cost- improved design efficiency –
and mitigating the risks connected effective systems. The project relies knowledge-based design of wellbore,
with geo-energy operations in the on the use of low cost carbon steel pipework, heat exchangers for optimal
sub-surface. S4CE’s ambition is to as the base material for the HX. conversion of the primary energy
develop and implement state-of- Through modifying the surface with into electrical power b) Enabling
the-art technologies to assess the nano porous coatings and controlling knowledge-based design activities
environmental footprint of geo-energy the surface chemistry (along with for best control of the constraining
sub-surface operations in EU. The the surface structure), GeoHex fluid phenomena (such as scale
project promotes the benefits of a will significantly improve the heat formation, outgassing, cavitation
multi-sensor approach in managing transfer performance of single phase during changes in temperature and
sub-surface operations.The project is and phase change heat transfer pressure), maximising uptime and
deploying advanced instrumentation processes, respectively. The project operational effectiveness of the plant
in three existing field sites in Europe; relies on the use of Ni-P/Ni-P-PTFE c) Providing underpinning knowledge
the CarbFix site in Iceland, one duplex and amorphous metal glass for the future exploration and
geothermal operation in Cornwall coatings to attribute the anti-scaling exploitation of supercritical systems
and a water-gas well in St. Gallen, and anti-corrosion properties to the through improved “vectors to ore”
Switzerland. low-cost carbon steel substrates. arising from the ability to better
use fluid chemistry to predict deep
subterranean conditions.

Acknowledgements: The projects are funded by European Unions H2020 programme under grant agreement no 764086
(Geo-Coat), 815319 (Geo-Drill), 818576 (GeoSmart), 764810 (S4CE), 851917 (GeoHEX) and 851816 (GEOPRO) l

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