cyrene #1 p&a, page-10

And this is why Cyrene #1 should not be considered a total failure at this stage:

Subsequent to period end, the EP 438 Joint Venture completed an exploration programme in EP438 that did not encounter economically recoverable conventional hyrdocarbons. The Joint Venture is now undertaking a review of the data set obtained from the exploration work to understand the unconventional opportunity for oil and gas that may exist in EP 438. The Directors are of the view there is potential for economically recoverable hyrdocarbons.