A couple of kilometers deep boreholes on Gotland will reveal if the rocks are suitable for future Swedish carbon storage.
The project Swedstore CO2 should research the drill National rig, which was recently used for the cores of the mountain chain, in a year or perform exploratory drilling on Gotland to investigate the conditions for Swedish future carbon storage.
Större part of Sweden is considered unsuitable for such activities as the country’s bedrock is largely made up of crystalline rock.
But in the Baltic and Gotland and Öland are younger sedimentary rocks, which by its porosity could be possible carbon stock. But to act as carbon stores need to also be a so-called cap rock, a takbergart that prevent gas from seeping out.
In the phase of the project can now test borings on Gotland be current in a year, says Jan-Erik Rosberg at Lund University.
That you choose to drill on land and not at sea is a cost issue. Scientists want answers on the geological conditions. Any storage of CO2 is not considered in this phase.
the outcome is positive, one can at a later stage come to test storage in small scale, predicted industry funding.
The project is financed by the Swedish Energy Agency, the participants are also SGU, the Swedish Research Council and the University of Luleå, Uppsala and Lund.
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