Drilling Services
Key specifications for semi-submersibles rigs: To Drilling Services
NANHAI ¢ò
Rated water depth (ft) 1,000
Rated drilling depth (ft) 25,000
Variable load (tons) 2,980
Mud pump capacity (hp) 3 x 2,000
Mud pump Continental EMSCO
F-1600 (x3)
Top driver Varco TDS-3S
BOP max pressure (psi) 10,000
Crew accommodation 108
Construction date 1974
Acquisition date 1978
Designer Aker Engineering
Design Aker H-3
Shipyard Aker, Norway
Last drydocking Hong Kong (1999)
 
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