Shell goes 'Whale' watching in ultra-deep probe

Anglo-Dutch operator and partner Chevron reach total depth on wildcat near Perdido spar

Tieback potential: Shell's Perdido spar in ultra-deepwater US Gulf

Luke Johnson

Published 1 June 2017, 16:44Updated 1 June 2017, 16:44

Chevron Shell Perdido USA Noble Globetrotter