Quest: Project Update and Progression of Measurement Monitoring Verification Plan

O’Brien, Simon; Dixit, Tanu; Duer, Jeff; Houtstra, Jordan; Halladay, Anne; Bacci, Vicente Oropeza; Kassam, Sarah; Rock, Luc; Smith, Nial

doi:10.2139/ssrn.3366111

SSRN Journal

2019

DOI: 10.2139/ssrn.3366111

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Quest: Project Update and Progression of Measurement Monitoring Verification Plan

Simon O’Brien

Tanu Dixit

Jeff Duer

et al.

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2024

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Field tests of geological storage of CO ₂ at the Otway International Test Centre, Australia: trapping and monitoring the migrating plumes

Jenkins,

Barraclough,

Correa

et al. 2024

Geoenergy

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The capture and geological storage of CO 2 is essential for net zero. Large volumes of secure subsurface storage will be required, much in unexplored saline aquifers. At the Otway International Test Centre we have executed a series of storage tests, including geophysical surveys, geochemical and petrophysical characterisation, drilling and instrumenting six deep wells and conducting two intensively monitored injections each of 15 Kt CO 2 . We summarise the execution and outcomes to draw out the implications for larger-scale storage and for migration trapping of CO 2 plumes. Immobilisation of most of the plume is essential for long-term safety. Suitable saline aquifers should have sealing caprocks but need not have structural traps. Buoyant CO 2 could move kilometres beneath the seal, with immobilisation occurring by capillary forces and dissolution. Predicting and monitoring plume behaviour with practical methods integrated with risk management will be necessary. We characterised and monitored migration trapping, demonstrated plume immobilisation, and tested monitoring methods tailored to large saline aquifers. We developed pressure tomography and continuous seismic monitoring; these provide less detailed information than conventional methods but can be targeted at risks. Passive methods, such as the seismic response to earthquakes, can also act as sentinels for specific events. These methods can bridge the "monitoring gap" between detailed but infrequent methods and more frequent but simpler methods and the results will enable better trade-offs between cost, complexity and risk for a technology crucial for controlling CO 2 levels in the atmosphere. Supplementary material: https://doi.org/10.6084/m9.figshare.c.7148197

show abstract

Field tests of geological storage of CO ₂ at the Otway International Test Centre, Australia: trapping and monitoring the migrating plumes

Jenkins,

Barraclough,

Correa

et al. 2024

Geoenergy

View full text Add to dashboard Cite

show abstract

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Quest: Project Update and Progression of Measurement Monitoring Verification Plan

Cited by 1 publication

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Field tests of geological storage of CO ₂ at the Otway International Test Centre, Australia: trapping and monitoring the migrating plumes

Field tests of geological storage of CO ₂ at the Otway International Test Centre, Australia: trapping and monitoring the migrating plumes

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Quest: Project Update and Progression of Measurement Monitoring Verification Plan

Cited by 1 publication

References 0 publications

Field tests of geological storage of CO 2 at the Otway International Test Centre, Australia: trapping and monitoring the migrating plumes

Field tests of geological storage of CO 2 at the Otway International Test Centre, Australia: trapping and monitoring the migrating plumes

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Field tests of geological storage of CO ₂ at the Otway International Test Centre, Australia: trapping and monitoring the migrating plumes

Field tests of geological storage of CO ₂ at the Otway International Test Centre, Australia: trapping and monitoring the migrating plumes