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Title: Sub-Seafloor Carbon Dioxide Storage Potential on the Juan de Fuca Plate, Western North America

Abstract

The Juan de Fuca plate, off the western coast of North America, has been suggested as a site for geological sequestration of waste carbon dioxide because of its many attractive characteristics (high permeability, large storage capacity, reactive rock types). Here we model CO2 injection into fractured basalts comprising the upper several hundred meters of the sub-seafloor basalt reservoir, overlain with low-permeability sediments and a large saline water column, to examine the feasibility of this reservoir for CO2 storage. Our simulations indicate that the sub-seafloor basalts of the Juan de Fuca plate may be an excellent CO2 storage candidate, as multiple trapping mechanisms (hydrodynamic, density inversions, and mineralization) act to keep the CO2 isolated from terrestrial environments. Questions remain about the lateral extent and connectivity of the high permeability basalts; however, the lack of wells or boreholes and thick sediment cover maximize storage potential while minimizing potential leakage pathways. Although promising, more study is needed to determine the economic viability of this option.

Authors:
;
Publication Date:
Research Org.:
Idaho National Laboratory (INL)
Sponsoring Org.:
USDOE
OSTI Identifier:
1060962
Report Number(s):
INL/CON-12-24585
DOE Contract Number:  
DE-AC07-05ID14517
Resource Type:
Conference
Resource Relation:
Conference: 11th International Conference on Greenhouse Gas Control Technologies,Kyoto, Japan,11/18/2012,11/22/2012
Country of Publication:
United States
Language:
English
Subject:
58 GEOSCIENCES; co2; modeling; sub seafloor

Citation Formats

Jerry Fairley, and Robert Podgorney. Sub-Seafloor Carbon Dioxide Storage Potential on the Juan de Fuca Plate, Western North America. United States: N. p., 2012. Web.
Jerry Fairley, & Robert Podgorney. Sub-Seafloor Carbon Dioxide Storage Potential on the Juan de Fuca Plate, Western North America. United States.
Jerry Fairley, and Robert Podgorney. Thu . "Sub-Seafloor Carbon Dioxide Storage Potential on the Juan de Fuca Plate, Western North America". United States. https://www.osti.gov/servlets/purl/1060962.
@article{osti_1060962,
title = {Sub-Seafloor Carbon Dioxide Storage Potential on the Juan de Fuca Plate, Western North America},
author = {Jerry Fairley and Robert Podgorney},
abstractNote = {The Juan de Fuca plate, off the western coast of North America, has been suggested as a site for geological sequestration of waste carbon dioxide because of its many attractive characteristics (high permeability, large storage capacity, reactive rock types). Here we model CO2 injection into fractured basalts comprising the upper several hundred meters of the sub-seafloor basalt reservoir, overlain with low-permeability sediments and a large saline water column, to examine the feasibility of this reservoir for CO2 storage. Our simulations indicate that the sub-seafloor basalts of the Juan de Fuca plate may be an excellent CO2 storage candidate, as multiple trapping mechanisms (hydrodynamic, density inversions, and mineralization) act to keep the CO2 isolated from terrestrial environments. Questions remain about the lateral extent and connectivity of the high permeability basalts; however, the lack of wells or boreholes and thick sediment cover maximize storage potential while minimizing potential leakage pathways. Although promising, more study is needed to determine the economic viability of this option.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2012},
month = {11}
}

Conference:
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