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GSF Development Driller II is a fifth generation, Vanuatu-flagged dynamic positioning semi-submersible ultra-deepwater drilling rig owned and operated by Transocean. The vessel is capable of drilling in water depths up to 7,500 ft with drilling depth of 35,000 ft , upgradeable to 37,500 ft.
Development Driller II was deployed in drilling a relief well on the Macondo Prospect to stop the oil spill caused by the explosion and subsequent loss of Deepwater Horizon.
Type of oil rig
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