A methodology for CO2 storage leakage remediation techniques performance assessment and portfolio optimisation

Rajesh Govindan, Zhenggang Nie, Anna Korre*, Sevket Durucan, Ji Quan Shi, Mojgan Hadi Mosleh, Filip Neele, Mark Wilkinson, Niklas Heinemann

*Corresponding author for this work

Research output: Contribution to conferencePaperpeer-review

1 Citation (Scopus)

Abstract

The corrective measures investigated in the MiReCOL project broadly fall under three categories: techniques relevant to controlling CO2 migration within the reservoir, techniques relevant to fault-related migration and techniques relevant to wellbore-related leakage mitigation. The overall performance characterisation was based on five dimensions, namely: likelihood of success, spatial extent, longevity, response speed, and cost efficiency. The probability plots and spider chart visualisation tools developed are considered to be particularly useful in facilitating the general comparison between leakage remediation techniques, or choosing a portfolio of remediation techniques, for operators dealing with a situation where CO2 storage security may be compromised in the field. Research in MiReCOL recognised that the assessment lacks value for consequence reduction, unless it is complemented with an effective framework which allows for the optimal allocation of resources for remediation technology implementation, considering the uncertainty with regards to their outcome, i.e. success or failure.

Original languageEnglish
Publication statusPublished - 2018
Externally publishedYes
Event14th International Conference on Greenhouse Gas Control Technologies, GHGT 2018 - Melbourne, Australia
Duration: 21 Oct 201825 Oct 2018

Conference

Conference14th International Conference on Greenhouse Gas Control Technologies, GHGT 2018
Country/TerritoryAustralia
CityMelbourne
Period21/10/1825/10/18

Keywords

  • CO storage
  • leakage remediation
  • performance assessment

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