Stepping into the Same River Twice: Field Evidence for the Repeatability of a CO2 Injection Test

Jonathan Ennis-King, Tara C. LaForce, L. Paterson, J.R. Black, H.P. Vu, R. Haese, Sascha Serno, Stuart Gilfillan, Gareth Johnson, Barry Freifeld, R. Singh

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

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 languageEnglish
Pages (from-to)2760-2771
JournalEnergy Procedia
Volume114
Early online date19 Aug 2017
DOIs
Publication statusE-pub ahead of print - 19 Aug 2017

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