Saturday, March 26, 2011

Rigs I Have Worked On #3 - Borgsten Dolphin


GENERAL

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

OPERATING PARAMETERS

Water Depth: 1500 ft (457,2 m)
Maximum Drilling Depth: 20,000 ft (6097 m)
Transit Speed: Approx. 4,5 knots
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