3D pore network modelling of the Jurassic-Cretaceous facies equivalent to storage and seal levels...
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Modelización 3D de los sistemas porosos de las facies Jurásico-Cretácicas equivalentes a los niveles almacén y sello presentes en el complejo de
almacenamiento geológico de CO2 de Hontomín (Burgos)
Sergio Fernández Lorenzo, Félix Mateos Redondo GEA asesoría geológica, Pol. Industrial Silvota, nave 16, 33192 Llanera, Asturias ([email protected])
Fundación Ciudad de la Energía (CIUDEN) 2ª Avenida de Compostilla nº 2, 24404 Ponferrada, León ([email protected])
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Contenido
1. Introducción 2. Contexto geológico3. Metodología4. Resultados: modelización 3D5. Conclusiones
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1. Introducción2. Contexto geológico3. Metodología4. Resultados: modelización 3D5. Conclusiones
![Page 4: 3D pore network modelling of the Jurassic-Cretaceous facies equivalent to storage and seal levels found at the CO2 storage complex in Hontomín (Burgos)](https://reader035.fdocuments.net/reader035/viewer/2022062705/55699a96d8b42a69728b472c/html5/thumbnails/4.jpg)
1. Introducción2. Contexto geológico3. Metodología4. Resultados: modelización 3D5. Conclusiones
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INCLUYENDO PORTUGAL Y SUR DE FRANCIA
Aguilar de Campoo Hontomín
Fuente: IGME
Contexto geológico
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500 m
1000 m
1500 m
0 m
Fuente: CIUDEN
Calizas Jurásicas Lias
Almacén 1
Calizas margosas y black shales Lias - Dogger Sello 1
1 m
1 m
100 m
Contexto geológico
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Areniscas Purbeck Almacén 2
Sello 2Arcillas Purbeck
Fuente: CIUDEN
100 m
500 m
1000 m
1500 m
0 m
Contexto geológico
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1. Introducción2. Contexto geológico3. Metodología4. Resultados: modelización 3D5. Conclusiones
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Campaña de muestreo
GEA asesoría geológica, 2010
7 series, 52 estaciones, 270 testigos (20 – 40 cm)
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Caracterización petrofísica
GEA asesoría geológica, 2012
Heterogeneidady anisotropía
NDT0
5
10
15
20
25
30
35
400 2000 4000 6000
De
pth
(c
m)
Velocity (m/s)
H 1.2
X-X´
Y-Y´
Petrografía
SEM/EDX
POL
Propiedades hidráulicas
RCAL y SCAL
Composición química y
mineralógica
DRX/FRX
PDIMIP
Configuración del sistema
poroso
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0
5
10
15
20
4000 5000 6000
Dep
th (
cm)
Velocity (m/s)
B 1.7
X-X´
Y-Y´
Z-Z´
XY-XY´
YX-YX´
Average
GEA asesoría geológica, 2012
Heterogeneidad y anisotropía: DESPIECE
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1. Introducción2. Contexto geológico3. Metodología4. Resultados: modelización 3D5. Conclusiones
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GEA asesoría geológica, 2011
Porosimetría MIP
Intrusión Ciclo 1Intrusión Ciclo 2
Radio de acceso de poro (µm)
PenetrómetroPorosímetro de Inyección de
Mercurio
Muestra de roca o PLUG
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Diámetroequivalente de poro
Diámetro de accesode poro
(Montoto, 2003)
1mm
P
P
100 μm
P
P
(Mateos, 2011)
Características geométricas del poro y conductos
Caliza oolítica (SEM)Arenisca (POL)
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Modelización con Pore-Comp
Intrusión Ciclo 1Intrusión Ciclo 2
Radio de acceso de poro (µm)
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Environmental and Fluid Modelling Group, University of Plymouth
Curva de intrusión corregida
Modelización con Pore-Comp
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Curva de intrusión experimental
Curva de intrusión simulada
Modelización con Pore-Cor
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1 mm
100 µm
Poros (cubos)Conductos de acceso (cilindros)
Visualización con Pore-Eye
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Porosidad accesible
Modelización 3D: celda simplificada de un nivel almacén
1 mm
Imagen SEM 160X
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Poros de difícil acceso
Porosidad accesible
bien comunicada
100 µm
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Imagen SEM 1000X
Poro accesible
1 mm
Modelización 3D: celda simplificada de un nivel sello
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Porosidad accesible
Porosidad de difícil acceso
100 µm
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Roca almacén Roca sello
- Elevada conectividad- Baja porosidad atrapada
- Baja conectividad- Elevada porosidad atrapada
1000
µm
Sistemas porosos simplificados a escala de roca matriz
1000
µm
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1. Introducción2. Contexto geológico3. Metodología4. Resultados: modelización 3D5. Conclusiones
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Intrusión Ciclo 1Intrusión Ciclo 2
Sistemas porosos mal conectados, tortuosidad altaElevado porcentaje de porosidad atrapadaLutitas y calizas cristalinas pertenecientes a niveles sello
Los modelos no se ajustan totalmente a la realidadResultados difieren de los obtenidos experimentalmente
Conclusiones
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Sistema poroso bien conectado, baja tortuosidadPorosidad atrapada bajaCalizas pertenecientes a niveles almacén
Los modelos se ajustan con precisión a la realidadParámetros comparables a los obtenidos mediante otras técnicas
✓Intrusión Ciclo 1Intrusión Ciclo 2
Conclusiones
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Este proyecto ha sido financiado por la Fundación Ciudad de la Energía
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Gracias por su atenciónGracias por su atención