CO2CRC’s Optimising Storage Program aims to develop new and innovative technologies to provide industry with commercially cost-effective options for geological storage of CO2.

Testing, demonstrating and validating the next generation of CCUS technology.

The Otway International Test Centre is the centre piece of CO2CRC’s geological storage demonstration program.

Through three distinct phases of storage research, CO2CRC has:

  • Tested and demonstrated the characterisation, appraisal, approval, operation and monitoring process required for the transport, injection and storage of CO2 into a depleted gas reservoir. The Otway Stage 1 Project was a pathfinder for CCUS in Australia, developing a range of techniques for monitoring storage and setting an international example of transparency and accountability.
  • Developed and demonstrated the current technical capabilities and limits of characterisation and monitoring for CO2 storage within saline formation. The Otway Stage 2C Project was an end to end field scale saline formation investigation to understand the effectiveness of various seismic techniques for monitoring CO2 and demonstrating plume migration and stabilisation.
  • From 2016, commenced delivery of the Otway Stage 3 Project which will demonstrate and validate the application of cost-effective technologies for targeted, on-demand, permanent subsurface monitoring and verification (M&V) of a CO2 storage site. The project will develop a suite of technologies that reduces the necessity for repeat plume monitoring seismic surveys in onshore and offshore settings in a way that minimises the environmental footprint of monitoring operations.

Storage R&D program

CO2CRC’s storage R&D program will focus on collaborative research in the following areas:

Storage Monitoring: This program aims to mature CO2 storage monitoring capabilities towards commercial application, enabling at scale effective and compliant life-of-project surveillance both onshore and offshore. A key storage monitoring example is the development of subsurface-based monitoring through the Otway Stage 3 project. Other key activities proposed in this focus area include developing an overarching storage monitoring workflow (methodology); assessing saturation and residual gas trapping; and conducting baseline and commercial assurance monitoring for the onshore and offshore environment.

Storage Modelling: This program aims to mature the modelling capability of appraising potential CO2 storage sites, optimising storage operations, and predicting long term fluid trapping processes. This will safely enhance storage of CO2 and improve the confidence in long term storage for both CCUS operators and regulators to enable ultimate closure of a storage site. Key activities proposed include effectively modelling a migrating plume’s distribution; maximising efficiency in use of storage reservoirs; and developing well integrity solutions.