WE Report

Lessons Learned

Lessons Learned865


Operator Rig Discipline / Origin Project Phase Well Section Date What Happened

Faroe
286 – Faroe

Transocean Arctic Drilling Operational 31/7-3 S
Brasse
Top hole 02/10/2019 Drilling 36″ was a challenge – boulders from just below seabed(148 m) to 181 m. Repeated reaming . . .


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Faroe
287 – Faroe

Transocean Arctic Drilling Operational 31/7-3 S
Brasse
Top hole 02/10/2019 Had to lay out one joint of fibreglass innerstring due to not able to M/U connection. No visible . . .


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Faroe
288 – Faroe

Transocean Arctic Drilling Operational 31/7-3 S
Brasse
Top hole 02/10/2019 Had relatively short rig move where operations ended with OBM and next well started with WBM. . . .


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Faroe
289 – Faroe

Transocean Arctic Drilling Operational 31/7-3 S
Brasse
Top hole 02/10/2019 Seabed visibility poor and current high when cementing 30″ conductor. Inclination on bullseyes . . .


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Faroe
158 – Faroe

Deepsea Bergen Drilling Operational 31/7-2 S
Brasse Appraisal
Top hole 28/09/2017 Problems to close the 30″ side door elevator due to shackles. Removed shackles and connected the 500 . . .


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