The giant Old Harry structure is approximately 30 km long and 12 km wide and has the potential to contain significant hydrocarbon resources. As such, it is one of the largest undrilled geological structures in Eastern Canada with 43,000 acres under simple four-way closure.
Old Harry is located in the Gulf of St. Lawrence with the centre of the prospect approximately 80 km west-northwest of Cape Anguille, Newfoundland and Labrador. Corridor’s land position over the structure comprises two licence permits issued by the Quebec government (PG963 and PG964) on the west side of the structure and exploration licence EL-1105 issued by the Canada-Newfoundland and Labrador Offshore Petroleum Board (C-NLOPB) for a total of 251,498 gross acres.
Petroleum system modeling completed by Corridor shows that Old Harry has the potential to contain light oil (45-56 API gravity) and/or natural gas. Several direct hydrocarbon indicators support the presence of hydrocarbons including: satellite seepage slicks, frequency anomalies, amplitude anomalies, and AVO anomalies. Corridor submitted a plan to the C-NLOPB in 2011 to drill a single well on the structure. An environmental assessment of the single well proposal is under review by the C-NLOPB. The C-NLOPB website provides a link to a list of documents relating to the environmental assessment of the Old Harry project.