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Communication dans un congrès

Managing a leaky abandoned well: detection and advanced mitigation options (hydraulic barrier)

Abstract : A proper risk management scheme for CO2 storage should include an adequate monitoring plan completed with a site-specific intervention plan in order to demonstrate that any undesired consequence can be prevented, if not corrected. We consider the case of brine, possibly followed by CO2, migrating from the storage reservoir to an overlying aquifer through a leaking abandoned well. The detection of such leakage may be done through pressure gauges, in which case the stopping of the injection and the sole pressure relief may be enough for preventing a CO2 leakage. In case of a late detection (e.g. though seismic surveys), the leakage may require implementing active corrective measure, e.g. a hydraulic barrier, for ensuring an efficient stop of the leakage and trapping the secondary accumulation. The design of this hydraulic barrier should consider operational constraints and mechanical integrity in order not to impact the shallower formations with the corrective measure.
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Communication dans un congrès
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https://hal-brgm.archives-ouvertes.fr/hal-00709369
Contributeur : Arnaud Réveillère <>
Soumis le : lundi 18 juin 2012 - 16:08:05
Dernière modification le : mardi 7 avril 2020 - 18:06:01
Archivage à long terme le : : mercredi 19 septembre 2012 - 02:46:49

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  • HAL Id : hal-00709369, version 1

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Arnaud Réveillère, Thomas Le Guenan, Jeremy Rohmer, Jean-Charles Manceau. Managing a leaky abandoned well: detection and advanced mitigation options (hydraulic barrier). IEA-GHG 2012 Joint network meeting, Jun 2012, Santa Fe, United States. ⟨hal-00709369⟩

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