WE Report

Lessons Learned

Lessons Learned865


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

Faroe
172 – Faroe

Deepsea Bergen Drilling Operational 31/7-2 A
Brasse Appraisal
Intermediate section 28/09/2017
After making up the 9 5/8″ liner hanger circulation was attempted established with 2000 lpm. Losses . . .


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Faroe
174 – Faroe

Deepsea Bergen Drilling Operational 31/7-2 A
Brasse Appraisal
Reservoir section 28/09/2017 When logging the 9 5/8” casing cement it was discovered during a repeat pass that the cement logs . . .


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Faroe
175 – Faroe

Deepsea Bergen Drilling Operational 31/7-2 S
Brasse Appraisal
P&A 28/09/2017 8 hrs were used cutting the extension joints. During the cutting a high stick-slip was observed by . . .


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