Taking the Sedco 712 on a long-term contract has given investors in Oilexco, which is driven by "a very good sub-surface team", exposure to upside they would not normally see in a company of this size.

Alves highlights the Muness exploration well, expected to spud in September/October, as a probe that could make a huge difference to the company if it is successful since its reserves potential is greater than 300 billion cubic feet.

But