The explorer is quitting the Wahoo-1 probe on PPL 474 after drilling to a measured depth of 1589 metres, it said on Wednesday.

The well was, however, not a total failure as Michael Hession said: “The well has increased our knowledge in an under-explored area. It has confirmed a working hydrocarbon kitchen, the presence of thermogenic gas and an effective seal in the Orubadi mudstone.

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