Should we continue to destroy old oil-industry structures or preserve the thriving coral-reef ecosystems they're supporting?

Petrobras is commissioning 28 deep-water drilling rigs to be built in Brazil as part of efforts to spur the local oil services industry and the expansion of domestic shipyards.

Isobel Deep sits in an untested area around 40km south of Sea Lion, and the prospect could unlock the greatest potential of the wells in the rig’s North ... operator Premier Oil (36%) and ...

Deep in the Caspian Sea ... Neft Daslari began as a lone drilling rig on a tiny island and has since grown into an extensive network of oil wells, production sites, and over 100 miles of bridges.