West Mira

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escveritas
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West Mira

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On Friday, March 19 there was an incident during a lifting operation on the drilling rig West Mira, located on the Nova field in the North Sea. No personnel were injured, and the well is secure.

Wintershall Dea mobilised its emergency response organisation and notified relevant authorities. The drilling operation has been stopped until further notice. An investigation into the incident, which is considered serious, has been initiated.

While lowering a x-mas tree from West Mira, the winch wire snapped when the tree was five metres below the sea surface. The x-mas tree sunk to the seafloor 368 metres below water level.

Eight people were working in the area of the rig where the incident occurred in safe distance from moving equipment.

A Remote Operated Vehicle (ROV) was sent to the seafloor to assess the situation. The ROV survey showed no risk of discharge of well fluids or hydrocarbons and the x-mas tree has been localised on the template. The well is under control and secured with three barriers.
escveritas
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Re: West Mira

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Wintershall Dea completed the top hole drilling campaign on the operated Nova field in the Norwegian North Sea ahead of schedule.

The campaign, carried out by the Seadrill-operated West Mira rig, involved drilling some 3,400 metres of top holes for the six Nova production and water injection wells on two different templates.

“We continuously try to improve our drilling operations to be safer, more efficient and more sustainable. Working together as ‘One Team’ with all involved, we were able to deliver the top hole campaign safely and two weeks ahead of schedule”, said Nils Petter Norheim, Wintershall Dea Norge Head of Drilling & Wells.

Five of the top holes were drilled in one batch with repetitive operations. After each operation the team evaluated the performance, capturing best practices and lessons learned to optimise the equipment and drill the next section even more efficiently. This approach helped to continuously improve the drilling performance.

High efficiency also translated into a more sustainable operation, with fewer days on the rig resulting in lower emissions. The reduction falls into a broader low-emission strategy, with the West Mira operating an energy-saving hybrid battery power plant, which increases the rig’s energy efficiency. The two supply vessels that support the rig are also equipped with hybrid batteries, which further reduces the environmental footprint of the campaign.

“With all the top holes drilled, we have achieved another Nova milestone ahead of plan. We will continue drilling and the next step is to safely deliver the three production wells and three water injection wells before production start which is planned for 2022.” said André Hesse, Nova Project Director at Wintershall Dea.

Nova drilling will last throughout most of 2021.
escveritas
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Re: West Mira

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West Mira Contract Update

Hamilton, Bermuda, 5 May 2021 – Seadrill Limited (“Seadrill” or the “Company”) (OSE:SDRL, OTCQX:SDRLF) announces that a termination notice has been received for the West Mira from Wintershall Dea.

The West Mira has had a period of unproductive time following an equipment failure on 19 March 2021 whereby the rig dropped the BOP. Seadrill has been working diligently with Wintershall Dea, and the rig’s owner Northern Ocean, to prepare the West Mira for a return to work. Seadrill will review the notice received, and will continue our constructive engagement with both Wintershall Dea and Northern Ocean.
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