The Petroleum Safety Authority Norway (PSA) has launched an investigation into an incident involving the unintentional disconnection of the decrease marine riser bundle (LMRP) on West Mira semi-submersible on 14 March 2020. Owned by Northern Ocean, West Mira is operated by Seadrill. This incident occurred whereas the cellular unit was drilling a manufacturing effectively on the Maria subject within the Norwegian Sea, the place Wintershall Dea is the operator.
While drilling was beneath method, the LMRP turned disconnected from the blowout preventer (BOP). This resulted within the drill string being reduce.
No private accidents have been suffered from the incident, however the PSA has obtained details about a discharge of about 40 cubic metres of oil-based drilling fluid to the ocean.
The reason for the incident is up to now unknown.
The PSA takes a critical view of what occurred. An investigation staff drawn from its technical specialists will likely be beginning work as shortly as potential. For the time being, their work will likely be performed with out travelling offshore.
West Mira, delivered in 2018, is a Moss Maritime CS60-MK ultra-deepwater semi-submersible. The drilling rig was constructed by Hyundai Heavy Industries in South Korea.
(Source: PSA – Image: Northern Ocean)
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