WE Report

Lessons Learned

Lessons Learned865


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

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
4834 – PGNiG

Deepsea Yantai Drilling
Own Experience
Planning 6608/1-1 S
Copernicus
Other 04/09/2022 When running of 20″ x 13 3/8″ casing was planned to be on Sunday 4/9/22 we tried to get surge . . .

Drilling Engineer / Morten Laget


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PGNiG
4835 – PGNiG

Deepsea Yantai Drilling
Own Experience
Operational 6608/1-1 S
Copernicus
Surface section 04/09/2022
When the rig reached a TD of 1100 m and no contingency 4-string design was needed anymore, the 20″ . . .

Drilling Engineer / 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
4841 – PGNiG

Deepsea Yantai Drilling
Own Experience
Operational 6608/1-1 S Intermediate section 04/09/2022 Had to switch to a BX elevator

Drilling Engineer / 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
4831 – PGNiG

Deepsea Yantai Drilling Operational 6608/1-1 S
Copernicus
29/08/2022 When the conductor was lowered to the seabed it was realised that a blanking plate from the Wellhead . . .

Phil Hardy / Morten Laget


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PGNiG
4947 – PGNiG

Deepsea Yantai HSEQ
Own Experience
Planning 6608/1-1 S
Copernicus
26/08/2022

/ Ã…se Kristin Pettersen



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PGNiG
4817 – PGNiG

Deepsea Yantai HSEQ
NEA Q&A
Planning 6608/1-1 25/08/2022

Hearing comment from the Norwegian Directorate of Fisheries
Fiskeridirektoratets oppgave ved slike . . .

Sanne Risbakk / Christina Sæland Rødne



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PGNiG
4819 – PGNiG

Deepsea Yantai Drilling
PSA Q&A
Planning 6608/1-1 Other 25/08/2022

Overburden Lithologi/Subsurface-prospektet 6608/1-1 S Copernicus i PL1017

Sanne Risbakk / Morten Laget



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PGNiG
4820 – PGNiG

Deepsea Yantai Drilling
PSA Q&A
Planning 6608/1-1 Other 25/08/2022

Well design and drilling operation with focus on risk assessments for each hole section,
including . . .

Sanne Risbakk / Morten Laget



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PGNiG
4821 – PGNiG

Deepsea Yantai Drilling
PSA Q&A
Planning 6608/1-1 Other 25/08/2022

Results from Blowout & kill study and input parameters from subsurface, including chosen
relief . . .

Sanne Risbakk / Morten Laget



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PGNiG
4822 – PGNiG

Deepsea Yantai HSEQ
PSA Q&A
Planning 6608/1-1 Other 25/08/2022

The question of how PGNiG relates to the fact that the estimated annual
probability of loss of MSF . . .

Sanne Risbakk / Ã…se Kristin Pettersen



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PGNiG
4823 – PGNiG

Deepsea Yantai Marine
PSA Q&A
Planning 6608/1-1 Other 25/08/2022

The question of how the operator (PGNiG) ensures that the site-specific
criteria set for . . .

Sanne Risbakk / Morten Laget



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PGNiG
4824 – PGNiG

Deepsea Yantai Marine
PSA Q&A
Planning 6608/1-1 Other 25/08/2022

How are the weather conditions monitored ?​

Sanne Risbakk / Morten Laget



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PGNiG
4825 – PGNiG

Deepsea Yantai Marine
PSA Q&A
Planning 6608/1-1 Other 25/08/2022

It is sometimes run with reduced power from auxiliary engines for operation of the DP to save fuel. . . .

Sanne Risbakk / Morten Laget



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PGNiG
4826 – PGNiG

Deepsea Yantai Marine
PSA Q&A
Planning 6608/1-1 Other 25/08/2022

Is there a permanent or site-specific approval from DNV with regard to waves in deck for survival . . .

Sanne Risbakk / Morten Laget



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PGNiG
4827 – PGNiG

Deepsea Yantai Marine
PSA Q&A
Planning 6608/1-1 Other 25/08/2022

At which combinations of significant wave height and period should one, according to the operation . . .

Sanne Risbakk / Morten Laget



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PGNiG
4828 – PGNiG

Deepsea Yantai Marine
PSA Q&A
Planning 6608/1-1 Other 25/08/2022

How is the wave height measured at the location?​

Sanne Risbakk / Morten Laget



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