Cuadrilla is to ask for more time to carry out shale gas drilling at its Preston New Road site near Blackpool.
The shale gas exploration company has revealed plans to write to Lancashire County Council to request a change to one of the conditions of planning permission at the site.
The condition requires all drilling and hydraulic fracturing operations to be completed within a period of 30 months from the date of starting drilling of the first well.
This would mean Cuadrilla would have to finish drilling and fracking by the end of November this year.
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