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Geothermal potential of
the Euroregion.
Daniel Trisant. Shallow Geothermal
Committee of the “Col·legi de Geòlegs de
Catalunya”
Our Anomalies our reality
Faults:
“Horst Graben” systems
Young Mountains
Deep Sedimentary basins
Volcanoes systems
Thermal springs
© Institut Geològic de Catalunya
López García, J.M. (2007)
Current deep geothermal
Mining Concessions in
Euroregion
Recource: Section D
Concessions
in EUROREGION
© IGME Catastro Minero WMS server
Geothermal resources
Section D concessions
Concessions
in EUROREGION
© IGME Catastro Minero WMS server
Concessions
in EUROREGION
Direction Générale de l’Énergie et du climat
Bureau explotaion production des hydrocarbures
SITE INVESTIGATION:
DESK STUDY
Contaminated ground
Buried Services
Geological and hydrological prognosis
LEGAL AND REGULATORY ISSUES
SITE INVESTIGATION
Hydraulic Testing
Thermal Response Testing (TRT)
Thermogeology
Conductivity
Specific heat capacity
Temperature of ground
Climate data
Geothermal gradient
SITE
INVESTIGATION
Thermal conductivity
SPECIFIC HEAT CAPACITY
VOLUMETRIC
HEAT CAPACITY
MJ/m3ºK
Thermal
conductivity
W/mºK
Banks, D.(2008)
Thermal diffusivity m2/day
Banks, D.(2008)
TEMPERATURE
OF SOIL
Andersson, O. (2011)
CLIMATE
DATA
Comfort Zone
BOREAL OCEANIC CONTINENTAL MEDITERRANEAN
Climate data
vs HP COP
Climate
data
Climate data
Annual mean
Temperature
at soil level
THERMAL RESPONSE TEST
In a TRT we mesure:
To = “far-field” initial average ground temperature
T/Km = Geothermal Gradient
ʎ (W/mºK) = Effective thermal conductivity
Svc (MJ/m3ºK) = Volumetric heat capacity of rock
Rb (ºKm/W) = Borehole thermal resistance
α m2/day = Diffusivity
SITE
INVESTIGATION
Installed capacity shallow
geothermal systems at
Euroregion countries
SHALLOW
GEOTHERMAL
POTENCIAL
SHALLOW
GEOTHERMAL
POTENCIAL
By geothermal flux
© Institut Geològic de Catalunya
Potential “rift”deep granite site
Potential “rift”deep site
Potential deep sedimentary basin granite site
Potential deep sedimentary basin site
ºC m Example:
Residential Building:
Heat demand only
GSHP : 50 kw
516 ml BHE
Good conductivity: Granite
High geothermal flux
High temperature gradient
Vallès (Catalonian)
SHALLOW
GEOTHERMAL
POTENCIAL
By geothermal flux
SHALLOW
GEOTHERMAL
POTENCIAL
By geothermal flux
By hidrogeology
© IGME Hidrogeological map of SPAIN 1:1000000
Example: Hotel Building:
Heat & Cool demand
GSHP : 300 kw
4000 ml BHE
Poor conductivity: Porous
Limestone
Mallorca
Heat Capacity of BHE during TRT
Hidrogeological good conditions
SHALLOW
GEOTHERMAL
POTENCIAL
By geothermal flux
By hidrogeology
Example: Industrial Usage (oyster):
Heat & Cool demand
GSHP : 89 kWf -109 kWt
COP: 4,4
Sea Water exchange
Leucate, Roussillon
SHALLOW
GEOTHERMAL
POTENCIAL
By geothermal flux
By hidrogeology
SHALLOW
GEOTHERMAL
POTENCIAL
By geothermal flux
By hidrogeology
By climate/
Demand building
BARCELONA
SHALLOW
GEOTHERMAL
POTENCIAL
By geothermal flux
By hidrogeology
By climate/
Demand building
Example: Hotel Building:
Heat & Cool demand
THPE design 60 kWh/m2/y
GSHP : 50 kW + 40kW ACS
Surface: 2200 m2
1900 ml BHE
UTES system: Temp 10-22 ºC
Saving on CO2 :80% reduction
Tolouse, Midi-Pyrénées
SHALLOW
GEOTHERMAL
POTENCIAL
By geothermal flux
By hidrogeology
By climate/
Demand building
SHALLOW
GEOTHERMAL
POTENCIAL
By geothermal flux
By hidrogeology
By climate/
Demand building
By conductivity
© IGME BRGM One Geology Project WMS server
Example: Barcelona (Catalonia)
Hospital de la Santa Creu i Sant Pau
UNESCO World Heritage Site SHALLOW
GEOTHERMAL
POTENCIAL
By geothermal flux
By hidrogeology
By climate/
Demand building
By conductivity
Example: Barcelona (Catalonia)
Total surface Buildings 22.250 m2
Total surface Gardens 15.000 m2 SHALLOW
GEOTHERMAL
POTENCIAL
By geothermal flux
By hidrogeology
By climate/
Demand building
By conductivity
Example: Barcelona (Catalonia)
Heat & Cooling: 3000 kW
Total demand: 3.400 MWh/year
34920 ml with 291 BHE
4 Tube-System, simultaneous
heating & cooling
High COP & EER
Each building independent
system
Centralizated control and
monitoring
Good Conductivity:
Granite+slate
Space width for BHEx
SHALLOW
GEOTHERMAL
POTENCIAL
By geothermal flux
By hidrogeology
By climate/
Demand building
By conductivity
Example: Barcelona (Catalonia)
Buried GSHP room
No combustion
Noiseless
No heat air through atmosphere
No visual perturbance
No chimney
SHALLOW
GEOTHERMAL
POTENCIAL
By geothermal flux
By hidrogeology
By climate/
Demand building
By conductivity
Euroregion regulations
REGLAMENTATION
CODE MINIER article 131
“Forages d’une profondeur
spérieure à 10 mètres”
CODE de
l’ENVIRONNEMENT
réglementation loi sur l’EAU
Ley de Minas Capítulo I
Artículo 1
Ley de Minas Título I Sección
B “Aguas”
R.D. 863/1985 RGNBSM
I.T.C. 06.0.06
Transferred to every C.C.A.A
RULES
Norme NF X 10-999 “Forage d’eau et
de géothermie- Réalisation, suivi et
abandon d’ouvrages de captage ou de
survellance des eaux souterraines
réalisés par forages”
Norme NF X 10-980 ”Forage d’eau et
de géothermie-Démarches
administratives
Norme NF X 10-970-“Forage d’eau et
de géothermie – Sonde géothermique
verticale, Realisation, mise en oeuvre,
abandon”
Norme NF X 10-960 Sonde
géothermique verticale Part 1;2;3;4
PR NF EN ISO 17628
“Reconnaissance et essais
géotechniques – Essais
géothermiques”
Incoming.....
PNE 100715-1: Diseño, ejecución y
seguimiento de una instalación
geotérmica somera. Parte 1: Sistemas
de circuito cerrado vertical
Accreditations & certifications
NFPAC normative obligation
regarding quality and performance
for machines under 50 Kw
QUALIPAC quality label for HP
installers
QUALIFORAGE, quality label for
vertical heat exhanger
Drillers
AQUAPAC, insurance scheme for
geothermal water wells for the first
well of the doublet and long term
insurance covering the exploitation
period
AFPG creation in 2010 aiming to
create a geothermal certification
scheme including all kind of low
temperature geothermal inst.
Guia Tecnica Design of Ground
Source Heat Pumps IDAE
Manual de Climatización
Geotérmica ACLUXEGA
GEO+ APPA quality certification
Thanks for your attention !
Daniel Trisant
Geologist consultant at
March 2014