Horse Hill Developments Ltd (HHDL) has applied for several permit variations as part of its operations at Horse Hill well site in Surrey. These are to: Construct up to 4 new boreholes in addition to the 2 boreholes already constructed;Use 2 of the 6 boreholes as reinjection wells to support production;Carry out well treatments such as an acid wash and solvent treatments;Run 90-day well tests for each of the 4 additional wells before they are either added as production wells at the site, or abandoned;Undertake an injectivity test within one of the wells (HH-2z) and any other wells as dictated b…