Initial evaluation of advantageous synergies associated with simultaneous brine production and CO2 geological sequestration

Benjamin Court, Karl W. Bandilla, Michael Anthony Celia, Thomas A. Buscheck, Jan M. Nordbotten, Mark Dobossy, Adam Janzen

Research output: Contribution to journalArticlepeer-review

34 Scopus citations

Abstract

Mitigation of global atmospheric carbon emissions requires a worldwide ramping up of CO2 capture and sequestration (CCS) implementation in the next decades. While CCS could be deployed in isolation, there is also the possibility to consider CO2 injection within a much broader framework of reservoir and resource management including active water (brine) management. The goal of this study is to provide an initial analysis of three identified synergies related to active brine management in CCS operations. The potential advantages of coupling simultaneous brine production to a large-scale CO2 geological sequestration operation are explored through three separate modeling studies. Our results demonstrate that brine production can provide important pressure-control benefits, including increased injectivity potential through reduction of the injection well pressure, significant reduction of the extent of the Area of Review, within which operators must procure property rights and monitor and remediate potential leakage pathways, and reduction in the risk of CO2 and brine leakage. The latter is especially important in reservoirs, like many in North America, where a significant number of potential leakage pathways, particularly abandoned wells, may exist within the Area of Review. We also observe that brine production has minimal impact on the overall shape of the CO2 plume, with plume shape and extent strongly governed by formation parameters.

Original languageEnglish (US)
Pages (from-to)90-100
Number of pages11
JournalInternational Journal of Greenhouse Gas Control
Volume8
DOIs
StatePublished - May 2012

All Science Journal Classification (ASJC) codes

  • Pollution
  • Energy(all)
  • Management, Monitoring, Policy and Law
  • Industrial and Manufacturing Engineering

Keywords

  • Area of Review
  • Brine production
  • Injectivity
  • Pressure management
  • Risk mitigation
  • Synergies
  • Water management

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