WE Report

Lessons Learned

Lessons Learned865


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

PGNiG
376 – PGNiG

Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek
Reservoir section 22/10/2019 Coal was discovered in reservoar, resulting in stuck core barrels on annulus.


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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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PGNiG
380 – PGNiG

Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek
Reservoir section 22/10/2019 Circulating after releasing 9-5/8” hgr.


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PGNiG
381 – PGNiG

Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek
Reservoir section 22/10/2019 Circulating beneath annular for potential gas (ie on pulling seal assy)


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