WE Report

Lessons Learned

Lessons Learned865


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

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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PGNiG
4829 – PGNiG

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

Are there site-specific measurements of waves that make you know when to change draft?

Sanne Risbakk / Morten Laget



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PGNiG
4763 – PGNiG

Deepsea Yantai Marine
Own Experience
Planning Copernicus Rig move 23/08/2022 Mooring analysis was requested at an early stage of the planning fase, but was not taken into . . .

Stian Engvik / Morten Laget


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PGNiG
4764 – PGNiG

Deepsea Yantai HSEQ
Own Experience
Planning 6608/1-1 Other 23/08/2022 DSY waste management plan is according to IMO, and does not conflict with NOROG 093. It was . . .

Christina Sæland Rødne / Christina Sæland Rødne


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PGNiG
4765 – PGNiG

Deepsea Yantai Drilling
Own Experience
Planning Copernicus Surface section 23/08/2022 The use of normal HWDP Requires double handling from fingerboard to well center when running and . . .

Richard Mollison / Morten Laget


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PGNiG
4762 – PGNiG

Deepsea Yantai Drilling
Own Experience
Planning Copernicus Intermediate section 22/08/2022 4-string contingency scenario was miscommunicated and we did not have the 13 3/8″ SSRII landing . . .

Richard Mollison / Morten Laget



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