WE Report

Lessons Learned

Lessons Learned865


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

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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PGNiG
355 – PGNiG

Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek
Reservoir section 22/10/2019 When P/T lower pipe ram a leak was discovered in the choke line latch coupling between LMRP and BOP . . .


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PGNiG
377 – PGNiG

Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek
Reservoir section 22/10/2019 Waited for 30 minutes for annular relaxation after a P/T.


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