Production from the Gullfaks South (GSO) fast-track project for improved oil recovery in the North Sea started on 27 July. GSO will increase the output from the Gullfaks area by around 65 million barrels of oil equivalent.Production from the Gullfaks South (GSO) fast-track project for improved oil recovery in the North Sea started on 27 July. GSO will increase the output from the Gullfaks area by around 65 million barrels of oil equivalent.Production from the Gullfaks South (GSO) fast-track project for improved oil recovery in the North Sea started on 27 July. GSO will increase the output from the Gullfaks area by around 65 million barrels of oil equivalent.Production from the Gullfaks South (GSO) fast-track project for improved oil recovery in the North Sea started on 27 July. GSO will increase the output from the Gullfaks area by around 65 million barrels of oil equivalent.