Borgsten Dolphin

general

Name Borgsten Dolphin
Flag Bermuda
Owner Borgsten Dolphin Pte Ltd
Manager Dolphin Drilling Ltd
Year Built 1975
Builder Aker Group; Nylands Mekaniske Verksted, Norway; Upgraded 1985, 2012
Design Design: Enhanced Aker H3, Self-Propelled Semi-Submersible
Classification DNV 1A1, Column Stabilised Drilling Unit

operatingparameters

Water Depth 1500 ft (450 m)
Transit Speed Approx. 4,5 knots
Length 355 ft (108,2 m)
Breadth 221 ft (67,4 m)
Depth 120 ft (36,6 m) from Main Deck
Variable Deck Load 3200 mt operating
Liquid Mud 2963 bbl
Bulk Mud/Cement 31931 ft3/ 14901 ft3
Accomodation 120
Bridge operating parameters Max length: 44 m, min length 28 m

 

drillingequipment

Derrick Maritime Hydraulics 160 x 40 x 40 ft, top 18 x 18 ft; Static Hookload capacity 1,250,000 lbs
Mud Pumps 4 x National 12-P-160