China Oilfield Services Limited (COSL) (44 Rigs)

Nanhai VI

Type: Semisub
Manager: China Oilfield Services Limited (COSL)
Status: Operational
Owner: China Oilfield Services Limited (COSL)
Classification: DNV GL
Design: Friede & Goldman

Nanhai V

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

Nanhai II

Type: Semisub
Manager: China Oilfield Services Limited (COSL)
Status: Operational
Owner: China Oilfield Services Limited (COSL)
Classification: ABS, CCS
Design: Aker

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

Nanhai VII

Type: Semisub
Manager: China Oilfield Services Limited (COSL)
Status: Operational
Owner: China Oilfield Services Limited (COSL)
Classification: BV
Design: Aker

Nan Hai Shi Hao (Nanhai X)

Type: Semisub
Manager: China Oilfield Services Limited (COSL)
Status: Ready Stacked
Owner: China Oilfield Services Limited (COSL)
Classification: DNV GL
Design: Aker

Nan Hai Ba Hao (Nan Hai VIII)

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

Nan Hai Jiu Hao

Type: Semisub
Manager: China Oilfield Services Limited (COSL)
Status: Ready Stacked
Owner: China Oilfield Services Limited (COSL)
Classification: DNV GL, CCS
Design: Gotaverken

Bo Hai No.10

Type: Jackup
Manager: China Oilfield Services Limited (COSL)
Status: Operational
Owner: China National Offshore Oil Corporation
Classification: ABS
Design: LeTourneau

Bo Hai No.12

Type: Jackup
Manager: China Oilfield Services Limited (COSL)
Status: Operational
Owner: China National Offshore Oil Corporation
Classification: ABS, CCS
Design: Mitsubishi