Field and laboratory studies of geomechanical response to the injection of CO2

Victor Vilarrasa, Roman Y. Makhnenko, Jonny Rutqvist

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

This chapter provides an overview of laboratory and field studies that involve CO2 injection to understand the geomechanical behavior of rock during geologic carbon storage (GCS) over relevant time and spatial scales. Novel laboratory methods are reviewed, paying special attention to deformation and stress evolution as a result of CO2 flow across rock samples, in both host and caprock representatives. Field- and pilot-scale CO2 injection tests that involved monitoring of the subsurface response are discussed. Large-scale industrial storage sites are reviewed, analyzing their geomechanical response to CO2 storage. All these observations should contribute to the understanding of the stress and pore pressure relationship in subsurface systems, which is crucial in developing constitutive models. The implications for the large-scale deployment of GCS of the reviewed geomechanical responses are discussed.

Original languageEnglish (US)
Title of host publicationScience of Carbon Storage in Deep Saline Formations
Subtitle of host publicationProcess Coupling across Time and Spatial Scales
PublisherElsevier
Pages209-236
Number of pages28
ISBN (Electronic)9780128127520
ISBN (Print)9780128127537
DOIs
StatePublished - Jan 1 2018

Keywords

  • Caprock integrity
  • Deformation
  • Effective stress
  • Induced microseismicity
  • Laboratory experiments
  • Pilot test sites
  • Pore pressure
  • Stress state

ASJC Scopus subject areas

  • Earth and Planetary Sciences(all)

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