Drilling Services
Key specifications for semi-submersibles rigs: To Drilling Services
NANHAI ¢õ
Rated water depth (ft) 1,500
Rated drilling depth (ft) 25,000
Variable load (tons) 2,900
Mud pump capacity (hp) 3 x 2,000
Mud pump National
12-P-160 (x3)
Top driver Varco TDS-4S
BOP max pressure (psi) 15,000
Crew accommodation 96
Construction date 1983
Acquisition date 1986
Designer Friede & Goldman
Design L-907
Shipyard Framnaes Mek, Norway
Last drydocking Singapore (1998)
 
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