| It was supposed to be Cuba's economic saviour: vast untapped reserves of black gold buried deep under the rocky ocean floor. But the first attempt in nearly a decade to find Cuba's hoped-for undersea oil bonanza has come up dry, and the island's leaders and their partners must regroup and hope they have better luck - quickly.
Experts say it is not unusual that a 3-mile (4.8-kilometre) deep exploratory well drilled at a cost of more than $100 million by Spanish oil giant Repsol was a bust. Four out of five such wells find nothing in the high-stakes oil game, and petroleum companies are built to handle the losses...............................................Full Article: Source
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