Pumped-Out North Sea Gas Fields Could be Refilled With CO2 by the Mid-2020s

Only needs a bit of Doctor Who science with a magic spanner to reverse the flow.

from gizmodo http://www.gizmodo.co.uk/2018/11/pumped-out-north-sea-gas-fields-could-be-refilled-with-co2-by-the-mid-2020s/