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Deep impact for BHP, green blue over Snowy Hydro

STRETCHING more than 10 kilometres below the earths surface, the Knotty Head exploration well in Green Canyon Block 512 is believed by BHP Billiton to be the Gulf of Mexicos deepest ever well.

Francine Pennington

Deep impact for BHP, green blue over Snowy Hydro

And luckily, it did not disappoint – having encountered 152 metres of net oil pay. Located about 274km southeast of New Orleans, the well was drilled by the Transocean drillship Discoverer Spirit...

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