CO2CRC and NERA launch major study into Australian CCUS

Jul 30 2020


NERA (National Energy Resources Australia) and CO2CRC have announced a new landmark study into CCUS to assist the nation’s energy resources sector reduce CO2 emissions while securing Australia’s energy future.

The study is being undertaken in two phases. The first phase, led by CO2CRC in collaboration with Geosciences Australia and supported by COAL21, will rank Australian oil and gas basins for the potential use of CO2 Enhanced Oil Recovery (CO2-EOR). The second phase of the project will provide insight to industry and government on potential opportunities for CO2-EOR at the field level in Australian onshore basins.

Enhanced Oil Recovery (EOR) using CO2 is the process of increasing the volume of oil that can be recovered by injecting CO2 into the reservoir. Natural oil production from the oil reservoirs declines over time either due to pressure depletion or water breakthrough. CO2 injection not only helps to re-pressurise the reservoir, but the CO2 also acts like a solvent and causes the oil to expand and flow more easily to production wells.

CO2-EOR can increase the oil recovery by up to 25%. It also has the added benefit of permanently storing CO2 in the underground reservoirs, providing a meaningful contribution to overall emissions reduction efforts.

The study will also evaluate and recommend a framework of policies, incentives or regulations that would help accelerate Australian adoption of CO2-EOR for oil recovery and CO2 storage, while assuring safe and efficient application of the technology.

NERA CEO Miranda Taylor said the project has the potential to help Australia meet the recommendations of the Final Report of the Expert Panel examining additional sources of low-cost abatement (the King Review) and take important steps to opening up new emissions reduction opportunities across the Australian economy.

 

“Australia has an opportunity to make significant reduction to its CO2 emissions through CCUS; however, in the absence of an integrated study in Australia, the full potential for CCUS is difficult to ascertain,” Ms Taylor said.

“This project will assist in removing these barriers by examining the economic and technical feasibility and potential of using CO2 in EOR and as a pathway to long-term CO2 storage in Australia. NERA is pleased to support this vital study as it will promote cross-sector collaboration and knowledge transfer, supporting the competitiveness of the Australian oil and gas industry while helping Australia meets its international commitments and create a pathway for ongoing emissions reductions beyond 2030.”  

CO2CRC CEO David Byers said the funding and networking support from NERA will assist  Australia’s energy resources sectors in making decisions on the potential opportunities for enhanced oil recovery in Australia.

 

“CO2-EOR has the potential to significantly reduce CO2 emissions while improving Australia’s energy security by boosting oil recovery in mature basins. All of the injected volume of CO2 will be permanently stored in underground reservoirs by the end of the operational life cycle,” Mr Byers said.

The analysis from the first phase of the project will provide Australia wide basin screening for CO2-EOR as well as potential CO2 sources near the basins that can be used for CO2-EOR. Phase one of the project is expected to be completed towards the end of 2020.

The second phase will evaluate the high-level economic and technical feasibility of using CO2-EOR to enhance the recovery of oil in Australia’s onshore oilfields (including those in the Cooper and Surat basins). It will also assess the potential for CO2-EOR to contribute to efforts to reduce greenhouse gas emissions through permanent CO2 storage during the CO2-EOR process.

“Enhanced oil recovery is one of the ways CO2 can be used and stored at an industrial scale, helping energy intensive industries significantly reduce their carbon emissions. This study complements COAL21’s other projects which are all focussed on a similar outcome, and will be an important step forward in understanding opportunities for storing carbon safely, permanently and in an economically viable way,” said Mark McCallum, CEO of COAL21.

With results from the study to be shared across Australia’s energy resources sector, its key findings can help both industry and governments make sustainable and long-term infrastructure investment decisions that meet the public’s expectations for a low carbon future.

CO2CRC
NERA


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