Publication Date:
2022-05-02
Description:
The results provided by this study contribute to the geological characterization of a
potential caprock-reservoir system for CO2 storage in the experimental area of the mining district of
the Sulcis Coal Basin (south-western Sardinia, Italy). The work is aimed to improve the knowledge
of the petrographic and petrophysical characteristics of the siliciclastic and carbonate geological
formations that make up the potential caprock-reservoir system. Core samples from a number of
wells drilled in the study area for mining purposes were analyzed especially for texture and
physical properties (longitudinal velocity, density, porosity, and permeability). The preliminary
integrated petrographic and petrophysical characterizations indicate that the Upper Paleocene to
Early Eocene potential carbonate reservoir is heterogeneous but presents suitable reservoir zones
for CO2. A preliminary analysis of the potential caprock siliciclastic lithologies of the Middle
Eocene to Lower Oligocene suggests that they appear suitable for CO2 confinement. Finally, to
account for the stability of the investigated area, an accurate geodynamical study of south-western
Sardinia was carried out using global navigation satellite system and advanced differential
interferometric synthetic aperture radar methodologies in order to estimate vertical and horizontal
crustal displacements. The study area results stable, since it is characterized by surface crustal
horizontal and vertical velocities smaller than 1 mm/year and few mm/year, respectively.
Description:
Regione Autonoma della Sardegna, Sardegna, Italy - University of Cagliari (Italy)
Description:
Published
Description:
id 4524
Description:
7A. Geofisica per il monitoraggio ambientale
Description:
JCR Journal
Keywords:
petrophysical properties
;
carbonates
;
siliciclastics
;
GNSS DinSAR
;
crustal displacements
;
04. Solid Earth
Repository Name:
Istituto Nazionale di Geofisica e Vulcanologia (INGV)
Type:
article
