WE Report

Lessons Learned

Lessons Learned865


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

PGNiG
349 – PGNiG

Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek
Surface section 22/10/2019 Elevator bushing for 13 3/8″ casing was missing on rig (backup to CRTi tool). This message was . . .


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PGNiG
350 – PGNiG

Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek
Surface section 22/10/2019
Unable to make up Dril-Quip 13 3/8” no cross coupling (VAM 21) to WH assembly (VAM 21).
Had to . . .


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PGNiG
351 – PGNiG

Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek
Surface section 22/10/2019
Silo #4 achieved desired pump rate (800 lpm) by opening the valves 7 %.
Silo #2 achieved same only . . .


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PGNiG
352 – PGNiG

Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek
Surface section 22/10/2019
Due to protecting melons on riser joints, the riser joints were not sufficiently balanced. This . . .


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PGNiG
353 – PGNiG

Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek
Surface section 22/10/2019 Observed last riser joint slipped out of RCWM trolley when picking up joint to vertical position . . .


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PGNiG
354 – PGNiG

Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek
Surface section 22/10/2019 Kelly hose trapped in Riser guard groove. Continued using straps around the guards to avoid . . .


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