Stepping into the same river twice: field evidence for the repeatability of a CO2 injection test

J. Ennis-King; T. LaForce; L. Paterson; J.R. Black; H.P. Vu; R.R. Haese; S. Serno; S. Gilfillan; G. Johnson; B. Freifeld; R. Singh

doi:10.1016/j.egypro.2017.03.1392

Stepping into the same river twice: field evidence for the repeatability of a CO₂ injection test

J. Ennis-King, T. LaForce, L. Paterson, J.R. Black, H.P. Vu, R.R. Haese, S. Serno, S. Gilfillan, G. Johnson, B. Freifeld, R. Singh

Civil And Environmental Engineering

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Abstract

A single well characterisation test was conducted at the CO2CRC Otway storage site in Victoria, Australia, in 2011 and repeated in 2014. The near-well permeability was found to have declined nearly 60% since the 2011 test, while the residual saturation inferred from a variety of techniques was lower in 2014. There was a significant change in water chemistry, suggesting an alteration of near-well reservoir properties. Possible reasons for these changes are explored, and the implications for other field tests are discussed.

Original language	English
Pages (from-to)	2760-2771
Number of pages	12
Journal	Energy Procedia
Volume	114
DOIs	https://doi.org/10.1016/j.egypro.2017.03.1392
Publication status	Published - 19 Aug 2017

Keywords

CO2 storage
residual saturation
field test
permeability alteration
geochemistry

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10.1016/j.egypro.2017.03.1392Licence: CC BY-NC-ND 4.0

Ennis-King-etal-EP2017-Stepping-into-the-same-river-twice-field-evidence-for-the-repeatabilityFinal published version, 412 KBLicence: CC BY-NC-ND 4.0

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title = "Stepping into the same river twice: field evidence for the repeatability of a CO2 injection test",

abstract = "A single well characterisation test was conducted at the CO2CRC Otway storage site in Victoria, Australia, in 2011 and repeated in 2014. The near-well permeability was found to have declined nearly 60% since the 2011 test, while the residual saturation inferred from a variety of techniques was lower in 2014. There was a significant change in water chemistry, suggesting an alteration of near-well reservoir properties. Possible reasons for these changes are explored, and the implications for other field tests are discussed.",

keywords = "CO2 storage, residual saturation, field test, permeability alteration, geochemistry",

author = "J. Ennis-King and T. LaForce and L. Paterson and J.R. Black and H.P. Vu and R.R. Haese and S. Serno and S. Gilfillan and G. Johnson and B. Freifeld and R. Singh",

year = "2017",

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doi = "10.1016/j.egypro.2017.03.1392",

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journal = "Energy Procedia",

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TY - JOUR

T1 - Stepping into the same river twice

T2 - field evidence for the repeatability of a CO2 injection test

AU - Ennis-King, J.

AU - LaForce, T.

AU - Paterson, L.

AU - Black, J.R.

AU - Vu, H.P.

AU - Haese, R.R.

AU - Serno, S.

AU - Gilfillan, S.

AU - Johnson, G.

AU - Freifeld, B.

AU - Singh, R.

PY - 2017/8/19

Y1 - 2017/8/19

N2 - A single well characterisation test was conducted at the CO2CRC Otway storage site in Victoria, Australia, in 2011 and repeated in 2014. The near-well permeability was found to have declined nearly 60% since the 2011 test, while the residual saturation inferred from a variety of techniques was lower in 2014. There was a significant change in water chemistry, suggesting an alteration of near-well reservoir properties. Possible reasons for these changes are explored, and the implications for other field tests are discussed.

AB - A single well characterisation test was conducted at the CO2CRC Otway storage site in Victoria, Australia, in 2011 and repeated in 2014. The near-well permeability was found to have declined nearly 60% since the 2011 test, while the residual saturation inferred from a variety of techniques was lower in 2014. There was a significant change in water chemistry, suggesting an alteration of near-well reservoir properties. Possible reasons for these changes are explored, and the implications for other field tests are discussed.

KW - CO2 storage

KW - residual saturation

KW - field test

KW - permeability alteration

KW - geochemistry

UR - https://www.sciencedirect.com/journal/energy-procedia

U2 - 10.1016/j.egypro.2017.03.1392

DO - 10.1016/j.egypro.2017.03.1392

M3 - Article

SN - 1876-6102

VL - 114

SP - 2760

EP - 2771

JO - Energy Procedia

JF - Energy Procedia

ER -

Stepping into the same river twice: field evidence for the repeatability of a CO₂ injection test

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Keywords

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