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Permeability, porosity, and mineral surface area changes in basalt cores induced by reactive transport of CO2-rich brine

Abstract:

Four reactive flow-through laboratory experiments (two each at 0.1 ml/min and 0.01 ml/min flow rates) at 150°C and 150 bar (15 MPa) are conducted on intact basalt cores to assess changes in porosity, permeability, and surface area caused by CO2-rich fluid-rock interaction. Permeability decreases slightly during the lower flow rate experiments and increases during the higher flow rate experiments. At the higher flow rate, core permeability increases by more than one order of magnitude in one e...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1002/2016WR019216

Authors


Luhmann, AJ More by this author
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Department:
Oxford, MPLS, Earth Sciences
Bagley, BC More by this author
Mildner, DFR More by this author
Seyfried, WE More by this author
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Grant:
Initiative for Renewable Energy and the Environment (IREE)
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Grant:
Geothermal Technologies Program through Grant DE-EE0002764
Publisher:
Wiley Publisher's website
Journal:
Water Resources Research Journal website
Volume:
53
Issue:
3
Pages:
1908–1927
Publication date:
2017-02-07
Acceptance date:
2017-02-01
DOI:
EISSN:
1944-7973
ISSN:
0043-1397
Pubs id:
pubs:678518
URN:
uri:2f6691dc-e790-4106-9166-611300ddbb28
UUID:
uuid:2f6691dc-e790-4106-9166-611300ddbb28
Local pid:
pubs:678518

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