InfraStrata plc is engaged in petroleum exploration and the development of sub-surface gas storage facilities. The Company is focused on two areas in the United Kingdom, in Dorset, England and Antrim, Northern Ireland. The Company also has investments in two private independent petroleum exploration companies, Brigantes Energy Limited and Corfe Energy Limited. The petroleum exploration licence PL1/10 (Central Larne - Lough Neagh Basin) covers an area of 663 square kilometres. The Company is the operator of offshore licence P1918. The licence covers three offshore Blocks 97/14, 97/15 and 98/11, covering an area of 584 square kilometres adjacent to the Dorset coast close to the giant Wytch Farm oilfield. In Northern Ireland, the Company has a 65% interest in the Islandmagee gas storage project. The Company has a 100% interest in the Portland project.