Ultra-deepwater Semisub (64 Rigs)

Transocean Barents

Type: Semisub
Manager: Transocean Offshore Deepwater Drilling Inc.
Status: Operational
Owner: Transocean Barents ASA
Classification: DNV GL
Design: Aker

Transocean Spitsbergen

Type: Semisub
Manager: Transocean Offshore Deepwater Drilling Inc.
Status: Operational
Owner: Transocean Spitsbergen ASA
Classification: DNV GL
Design: Aker

Valaris MS-1

Type: Semisub
Manager: Valaris PLC
Status: Ready Stacked
Owner: Valaris PLC
Classification: ABS
Design: Friede & Goldman

HAI YANG SHI YOU 981

Type: Semisub
Manager: China Oilfield Services Limited (COSL)
Status: Operational
Owner: China National Offshore Oil Corporation
Classification: ABS, CCS
Design: Friede & Goldman

Frida I

Type: Semisub
Manager: OOS International
Status: Operational
Owner: Unifin Financiera SAPI de CV
Classification: DNV GL
Design: Gusto MSC

Ocean Rover

Type: Semisub
Manager: Diamond Offshore Drilling
Status: Cold Stacked
Owner: Diamond Offshore Drilling
Classification: ABS
Design: Odeco

Ocean Monarch

Type: Semisub
Manager: Diamond Offshore Drilling
Status: Standby
Owner: Diamond Offshore Drilling
Classification: ABS
Design: Odeco

Ocean Endeavor

Type: Semisub
Manager: Diamond Offshore Drilling
Status: Operational
Owner: Diamond Offshore Drilling
Classification: ABS
Design: Odeco

Valaris 8503

Type: Semisub
Manager: Valaris PLC
Status: Ready Stacked
Owner: Valaris PLC
Classification: ABS
Design: ENSCO

Valaris 8504

Type: Semisub
Manager: Valaris PLC
Status: Cold Stacked
Owner: Valaris PLC
Classification: ABS
Design: ENSCO