1887

Abstract

The main objectives of the Norwegian Sea CO2 storage atlas were to identify safe and effective areas for long-term storage of CO2. Five aquifers have been evaluated in terms of storage capacity and safe storage of CO2. These aquifers typically have a dip of 1-2 degrees from the coast to the basinal areas with the risk that CO2 injected down dip can migrate up to where the aquifer is truncated by the Quaternary glacial sediments. A simulation study was performed on the Froan Basin Garn and Ile aquifer in order to identify possible trapping mechanisms and to understand the timing and extent of long distance CO2 migration. A simulation sector model was build covering about 10% of the total expected communicating aquifer volume. With an injection period of 50 years, the migration of the CO2 plume was simulated and monitored for 10.000 years. Results show that CO2 will continue to migrate upwards as long as it is in free, movable state. Migration stops when CO2 is permanently bounded or trapped. About 400 mill tons CO2 can be stored, and within 10000 years most of the gas will have gone into solution with the formation water or being residually trapped.

Loading

Article metrics loading...

/content/papers/10.3997/2214-4609.20140139
2014-04-22
2024-03-29
Loading full text...

Full text loading...

http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609.20140139
Loading
This is a required field
Please enter a valid email address
Approval was a Success
Invalid data
An Error Occurred
Approval was partially successful, following selected items could not be processed due to error