WE Report

Lessons Learned

Lessons Learned865


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

PGNiG
4921 – PGNiG

Deepsea Yantai Logistics
Own Experience
Operational 6608/1-1 S
Copernicus
Other 20/09/2022 Due to late busy vessel schedule of PSV and MI Swaco vessel MS Norbar, mud for 8-1/2″ Section was . . .

Johan Kjos-Hanssen / Morten Laget



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PGNiG
4922 – PGNiG

Deepsea Yantai Logistics
Own Experience
Operational 6608/1-1 S N/A 12/09/2022 Captain of the vessel suggested to use the Brine tank for the Premix as Premix does not contain . . .

Johan Kjos-Hanssen / Morten Laget



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PGNiG
343 – PGNiG

Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek
Surface section 22/10/2019 Unable to locate XO sub (DC58/TT550 NOV/Intelserv) offshore for 17 ½” BHA. New crossover had to be . . .


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PGNiG
360 – PGNiG

Deepsea Nordkapp Drilling
INTERNAL
Operational 6507/5-9 S, 6507/5-9 A
Shrek
Production section 22/10/2019 Casing was sent out one week before handling equipment.


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PGNiG
335 – PGNiG

Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek
Rig move 21/10/2019 The c-plate was onshore and put on spud boat just in time.


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PGNiG
334 – PGNiG

Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek
Rig move 16/09/2019 Fiberglass innerstring joints for conductor (Halliburton Coring) not delivered for spudboat . . .


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PGNiG
333 – PGNiG

Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek
Rig move 12/09/2019
* B/U 9 7/8” BHA not delivered on time, but 3.5 days later than requested
* 8” backup contingency . . .


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PGNiG
268 – PGNiG

Deepsea Nordkapp Drilling Planning 6507/5-9 S
Shrek
N/A 26/08/2019
Poor communication between NOV and Halliburton regarding delivery of crucial elements (9 1/2″ . . .


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