25 February 2021 : IEAGHG Webinar Sleipner Benchmark study

CO2 DataShare is a digital platform for sharing reference datasets from pioneering CO2 storage projects. The platform allows researchers based anywhere in the world, to download datasets from representative CO2 storage sites.

In 2020, Equinor which is one of the World's leading companies in the advancement of CO2 storage, shared its Sleipner 2019 Benchmark model through the CO2 DataShare Portal. Each year up to 1 million tonnes of CO2 from processing of natural gas field is captured and stored at Sleipner. This dataset has provided valuable insights into what happens with CO2 stored in the subsurface over long periods of time.

The new geological benchmark model for the Sleipner CO2 storage site is built by Equinor based on seismic data calibrated to wellbore geological profiles. The simulation grid can be exported to any reservoir simulation package and is useful for investigating fluid flow dynamics within the Sleipner storage unit and to understand the long-term fate of CO2 in the subsurface.

Future CCS investment decisions and safe operation in line with legal requirements, such as the CO2 storage directive, depend on simulation models that accurately can predict the migration of CO2. Therefore, a co-ordinated initiative by the Norwegian funding agency CLIMIT invited researchers to participate in a benchmark study during 2020 on CO2 plume dynamics using the new Sleipner datasets.