Project Summary

This project will look at optimum ways in which a plume of dense (super critical) CO2 can best be monitored after it has been injected into a geological storage site.

The ability to monitor the CO2 plume in the subsurface depends largely on the site specific geology and operational parameters. Using state-of the-art simulation and feasibility analysis workflows this project aims to identify appropriate monitoring techniques for detecting and imaging development of the CO2 plume in the injection interval at the South West Hub.

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Feasibility of monitoring an injected CO2 plume at the South West Hub project site.

This study assessed the capability of different kinds of monitoring technology for mapping the movement of injected CO2 over time in the South Perth Basin. Following a literature review, researchers updated the geological model based on a 3D seismic and ran reservoir simulations of various injection scenarios. They developed a geomechanical model for assessing the potential magnitude of ground surface uplift and conducted feasibility studies for both interferometric synthetic aperture radar (InSAR) and seismic monitoring. Researchers concluded that pressure monitoring, seismic surveys, Gravity, magneto-telluric and electromagnetic methods are all suitable technologies with various sensitivity, accessibility and cost effectiveness.

Project Name:
Feasibility of monitoring an injected CO2 plume at the SW Hub

Research Organisation:
CSIRO

Status:
Completed, 2017

Reference:
7-0314-0232

Research Program: Carbon Transport + Storage
Demonstration: Southern Perth Basin
Research Focus: Containment, Model Calibration and Injection Forecasts

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