WE Report

Lessons Learned

Lessons Learned865


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

PGNiG
4923 – PGNiG

Deepsea Yantai Logistics
Own Experience
Planning 6608/1-1 S
Copernicus
Other 03/10/2022 With this focus the mobilization plan became a live document and with a weekly focus, ensuring all . . .

Johan Kjos-Hanssen / Morten Laget



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PGNiG
4913 – PGNiG

Deepsea Yantai Drilling Operational 6608/1-1 S
Copernicus
P&A 23/09/2022 When pulling the conductor there was no cement stuck to it due to use of protane wrapping on the . . .

Drilling Engineer / Morten Laget


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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
4842 – PGNiG

Deepsea Yantai Marine
Own Experience
Operational 6608/1-1 S
Copernicus
Rig move 09/09/2022 Marine reps identified possibility to start transit 2hrs before de-ballasting was completed. This . . .

Stian Engvik / Morten Laget


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PGNiG
4843 – PGNiG

Deepsea Yantai Marine
Own Experience
Operational 6608/1-1 S
Copernicus
Rig move 09/09/2022 Bridge and marine reps was not informed from DSV or DE when required spud equipment was taken . . .

Stian Engvik / Morten Laget


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PGNiG
4844 – PGNiG

Deepsea Yantai Marine
Own Experience
Operational 6608/1-1 S
Copernicus
Top hole 09/09/2022
Everything went according to plan and logging was done remotely. Final position report was delivered . . .

Stian Engvik / Morten Laget


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PGNiG
4840 – PGNiG

Deepsea Yantai Logistics
Own Experience
Operational 6608/1-1 S
Copernicus
Top hole 04/09/2022 With good planning and cooperation, everything shipped to SSJ prior to operation start in due time. . . .

Johan Kjos-Hanssen / Morten Laget



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PGNiG
4830 – PGNiG

Deepsea Yantai Marine
Own Experience
Operational 6608/1-1 S
Copernicus
Rig move 29/08/2022 All tubulars were backloaded from the rig and mud and bulk tanks emptied. The rig was deballasted to . . .

Phil Hardy / Morten Laget


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PGNiG
392 – PGNiG

Deepsea Nordkapp Drilling Planning 6507/5-9 S, 6507/5-9 A
Shrek
N/A 13/03/2020 Dropped Sec recs and used RAPS/DOPs only. Two RAP meetings onshore per RAP and then 1 offshore . . .


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PGNiG
356 – PGNiG

Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek
Production section 22/10/2019 Used mousehole and bucking machine for offline operations.


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PGNiG
357 – PGNiG

Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek
Production section 22/10/2019 Casing running performance was good.


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PGNiG
365 – PGNiG

Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek
Reservoir section 22/10/2019 Racked core barrels, saving rig time.


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PGNiG
367 – PGNiG

Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek
Reservoir section 22/10/2019 Performed FIT to 1.58 sg.


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PGNiG
368 – PGNiG

Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek
Reservoir section 22/10/2019 Drilled 8 1/2″ section with 1.30 sg MW. Based on LWD data from 12 ¼” the predicted PP in the 8 ½” . . .


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PGNiG
375 – PGNiG

Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek
Reservoir section 22/10/2019 Cores were retrieved successfully.


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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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PGNiG
382 – PGNiG

Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek
Production section 22/10/2019 12-/4” drilling – parameters went well.


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PGNiG
383 – PGNiG

Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek
Production section 22/10/2019 Had to stop operations to fix a leak in TDX s-pipe connection – 2x o-rings.


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PGNiG
385 – PGNiG

Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek
Production section 22/10/2019 Excellent mud performance throughout operations. Issues with O/W ratio due to topside issues.


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