Levine, Jonathan S., Matter, Juerg M., Goldberg, Dave and Lackner, Klaus S.
Gravitational trapping of carbon dioxide in deep ocean sediments: hydraulic fracturing and mechanical stability
[in special issue: Proceedings of the 9th International Conference on Greenhouse Gas Control Technologies (GHGT-9), 16–20 November 2008, Washington DC, USA]
Energy Procedia, 1, (1), . (doi:10.1016/j.egypro.2009.02.161).
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Gravitational trapping of carbon dioxide in deep ocean sediments is attractive both for the long term stability provided by gravity as well as the large volume and hence storage capacity of deep ocean sediments at necessary depths. Unfortunately, most pelagic sediments suffer from extremely low permeability and are not expected to have an overlying mechanical seal, making emplacement of CO2 contingent upon large scale hydraulic fracturing and some mechanism of arresting fracture growth before reaching the seafloor. An experimental design is presented with the capability of testing a variety of proposed fracture arrest mechanisms.
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