WE Report

Lessons Learned

Lessons Learned865


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

PGNiG
7698 – PGNiG

Deepsea Yantai HSEQ
PSA Q&A
Planning 6501/10-1
Tomcat
Other 06/12/2024

Question 1. Brønn 6305/10-1 «Tomcat» er definert som en exploration well. Vi ber om bekreftelse på . . .

Åse Kristin Pettersen / Stig Seland



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Wellesley Petroleum
7699 – Wellesley Petroleum

Deepsea Yantai HSEQ
PSA Q&A
Planning No well N/A 06/12/2024

Sp. Mål. 1. Kap 9.3 tredje avsnitt om trafikkovervåkning står det følgende «If any irregularities . . .

Åse Kristin Pettersen / Morten Laget



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DNO
5111 – DNO

No Rig Marine
PSA Q&A
Planning No well Other 28/03/2023

Er bruk av PosmoorATA innenfor begrensingene gitt i appendiks til klassesertifikatet for Deepsea . . .

Karina Helle / Morten Laget



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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 / Åse 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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DNO
1437 – DNO

Borgland Dolphin HSEQ
PSA Q&A
Planning 2/5-15
Gomez
N/A 16/04/2021

Hvordan samordner operatør og boreentreprenør behov for å gjennomføre fortløpende . . .

Karina Helle / Morten Laget


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DNO
1438 – DNO

Borgland Dolphin HSEQ
PSA Q&A
Planning 2/5-15
Gomez
N/A 16/04/2021

Hvilke tiltak har operatør iverksatt for å sikre at operatørs og annet 3. parts utstyr tatt ombord . . .

Karina Helle / Morten Laget


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DNO
1439 – DNO

Borgland Dolphin HSEQ
PSA Q&A
Planning 2/5-15
Gomez
N/A 16/04/2021

Hvilke rutiner er etablert for å formidle resultater fra arbeidsmiljøkartlegginger eller . . .

Karina Helle / Morten Laget


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DNO
1440 – DNO

Borgland Dolphin Marine
PSA Q&A
Planning 2/5-15
Gomez
N/A 16/04/2021

Hva gjøres for å unngå dannelse av martensitt i overflatene på ankerkjettingene?

Karina Helle / Morten Laget


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DNO
1441 – DNO

Borgland Dolphin Marine
PSA Q&A
Planning 2/5-15
Gomez
Other 16/04/2021

Vi ber om en bekreftelse på at vanndypet er innenfor begrensningen i sertifikatene

Karina Helle / Morten Laget


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DNO
1442 – DNO

Borgland Dolphin Marine
PSA Q&A
Planning 2/5-15
Gomez
N/A 16/04/2021

Vi ber om en bekreftelse på at dere for operasjonsdypgangen har beregnet forankringen for de . . .

Karina Helle / Morten Laget


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