Deep in the Gulf of Mexico, a gigantic steel structure about the size of a football field rises out of the blue, surrounded by ocean for 140 miles in every direction.
The oil platform, bristling with cranes and wrapped in miles of pipes and cables, is part of a $5.7bn project called Anchor that is revolutionising how companies drill for the black stuff.
Anchor, which has been developed by US oil major Chevron and its partner TotalEnergies, uses equipment that can operate at ultra-high pressures, about a third higher than previously deployed by the industry, to access previously unobtainable resources.
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