Ultra-deepwater Semisub (70 Rigs)

Maersk Discoverer

Type: Semisub
Manager: Maersk Drilling
Status: Operational
Owner: Maersk Drilling
Classification: ABS
Design: Gusto MSC

Maersk Developer

Type: Semisub
Manager: Maersk Drilling
Status: Operational
Owner: Maersk Drilling
Classification: ABS
Design: Gusto MSC

Maersk Deliverer

Type: Semisub
Manager: Maersk Drilling
Status: Standby
Owner: Maersk Drilling
Classification: ABS
Design: Gusto MSC

Noble Clyde Boudreaux

Type: Semisub
Manager: Noble Drilling
Status: Operational
Owner: Noble Drilling
Classification: ABS
Design: Friede & Goldman

Noble Danny Adkins

Type: Semisub
Manager: Noble Drilling
Status: Cold Stacked
Owner: Noble Drilling
Classification: ABS
Design: Trosvik

Noble Jim Day

Type: Semisub
Manager: Noble Drilling
Status: Cold Stacked
Owner: Noble Drilling
Classification: ABS
Design: Trosvik

Leiv Eiriksson

Type: Semisub
Manager: Transocean
Status: Operational
Owner: Ocean Rig 1 Inc.
Classification: DNV GL
Design: Trosvik

Norbe VI

Type: Semisub
Manager: Ocyan
Status: Under Inspection/Repair/Maintenance
Owner: Ocyan
Classification: DNV GL
Design: Gusto MSC

Deepsea Atlantic

Type: Semisub
Manager: Odfjell Drilling
Status: Operational
Owner: Odfjell Drilling
Classification: DNV GL
Design: Gotaverken

Ocean Valor

Type: Semisub
Manager: Diamond Offshore Drilling
Status: Operational
Owner: Diamond Offshore Drilling
Classification: ABS
Design: Friede & Goldman