Evaluation of potential impacts of geologic carbon sequestration using numerical simulation

Brian McPherson, Weon Shik Han, Milind D. Deo, Si Yong Lee

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

A mathematical sedimentary basin model, including full coupling of multiphase CO2-groundwater flow, heat flow, and rock deformation, was used to evaluate effects of CO2 injection on fluid pressures and rock strain. Residence times and migration patterns of CO2 in possible brine reservoir storage sites were also analyzed. Study areas include the Uinta and Paradox basins of Utah, and the Permian basin of west Texas. Sustained injection of CO2 might encounter significant brine displacement out of adjacent sealing layers, depending on the injection history, initial brine composition, and hydrologic properties of both reservoirs and seals. Model simulations also suggested that injection could induce abnormally high fluid pressures, or overpressures. Injection-induced overpressures may migrate, and effective stresses may follow this migration under some conditions, as well as associated rock strain. Such strain migration may lead to induced or reactivated fractures or faults, but can be controlled through reservoir engineering. This is an abstract of a paper presented at the 2008 AIChE Spring National Meeting (New Orleans, LA 4/6-10/2008).

Original languageEnglish
Title of host publication2008 AIChE Spring National Meeting, Conference Proceedings
Publication statusPublished - 2008
Event2008 AIChE Spring National Meeting, Conference - New Orleans, LA, United States
Duration: 2008 Apr 62008 Apr 10

Publication series

Name2008 AIChE Spring National Meeting, Conference Proceedings

Other

Other2008 AIChE Spring National Meeting, Conference
CountryUnited States
CityNew Orleans, LA
Period08/4/608/4/10

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Chemical Engineering(all)
  • Bioengineering
  • Safety, Risk, Reliability and Quality

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