... Further works on the BR-X4Z borehole have been completed and, following analysis of the results, it is the view of the Company that, on any conventional approach, it is extremely unlikely that commercial hydrocarbon flow can be established from the Kimmeridge layer at Brockham...
The test data confirmed that the Kimmeridge oil pool produces from one single vertically-connected 600ft (200m) or more naturally fractured zone, extending from the deeper KL2 to at least the top of the KL4 zone. Oil production is interpreted to come from both naturally fractured limestones and calcareous shales, which is an unexpected learning.