WE Report

Lessons Learned

Lessons Learned865

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

DNO
1241 – DNO

 		Borgland Dolphin Marine
PSA Q&A		 Planning A-1 H, A-2 H, A-3 HT2
Oselvar		 N/A 31/01/2021

o Vil andre radarantenner bidra i overvåkningen med SmartBlue utover Borgland Dolphins egne?

Karina Helle / Morten Laget



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DNO
1242 – DNO

 		Borgland Dolphin Marine
PSA Q&A		 Planning A-1 H, A-2 H, A-3 HT2
Oselvar		 N/A 31/01/2021

o Responderer SmartBlue på objekter identifisert av radaren og/eller AIS-signal (f.eks. når TCPA . . .

Karina Helle / Morten Laget



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DNO
1243 – DNO

 		Borgland Dolphin Marine
PSA Q&A		 Planning A-1 H, A-2 H, A-3 HT2
Oselvar		 N/A 31/01/2021

o Vil SmartBlue være overlappende eller gi noe mer enn AIS og ARPA om bord på Borgland Dolphin (ref. . . .

Karina Helle / Morten Laget



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DNO
1244 – DNO

 		Borgland Dolphin Drilling
PSA Q&A		 Planning A-1 H, A-2 H, A-3 HT2
Oselvar		 N/A 31/01/2021

o Hva er back-up løsning ved manglende sement bak casing ?

Karina Helle / Morten Laget



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DNO
1245 – DNO

 		Borgland Dolphin Drilling
PSA Q&A		 Planning A-1 H, A-2 H, A-3 HT2
Oselvar		 N/A 31/01/2021

o Hvordan verifiseres sement bak casing for “open hole to surface plug”?

Karina Helle / Morten Laget



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DNO
1246 – DNO

 		Borgland Dolphin Drilling
PSA Q&A		 Other A-1 H, A-2 H, A-3 HT2
Oselvar		 N/A 31/01/2021

Fra møte i september ber vi om en oppfølging av følgende aksjoner:

Actions
Based on feedback and . . .

Karina Helle / Morten Laget


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DNO
1247 – DNO

 		Borgland Dolphin Drilling
PSA Q&A		 Planning A-1 H, A-2 H, A-3 HT2
Oselvar		 N/A 31/01/2021

Recommend establishing plans for handling possible trapped gas in Oselvar wells when opening the . . .

Karina Helle / Morten Laget


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DNO
1248 – DNO

 		Borgland Dolphin Drilling
PSA Q&A		 Planning A-1 H, A-2 H, A-3 HT2
Oselvar		 N/A 31/01/2021

Review historical documentation regarding “Baseline Survey” performed by DONG (previous operator) . . .

Karina Helle / Morten Laget


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DNO
986 – DNO

 		Borgland Dolphin Other Planning A-1 H, A-2 H, A-3 HT2
Oselvar		 N/A 05/11/2020 Went through the detailed operational steps early in the planning phase (DG2) with relevant . . .

Øystein Prytz


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Wellesley
552 – Wellesley

 		Borgland Dolphin Drilling Operational 6204/11-3
Schweinsteiger		 P&A 21/09/2020
Ran through BOP while jetting from top of BOP and landed out on top of wear bushing without hanging . . .

Drilling Supervisor


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Wellesley
553 – Wellesley

 		Borgland Dolphin Drilling Operational 6204/11-3
Schweinsteiger		 P&A 21/09/2020
Re-dressed DQ MPT tool after retrieving 9 5/8″ wear bushing. RIH and jetted through BOP at high rate . . .

Drilling Supervisor


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Wellesley
554 – Wellesley

 		Borgland Dolphin Drilling Operational 6204/11-3
Schweinsteiger		 Top hole 21/09/2020
Not able to load barite due to long transfer lines when loading on starboard side.
Bentonite ended . . .

Drilling Supervisor


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Wellesley
555 – Wellesley

 		Borgland Dolphin Drilling Operational 6204/11-3
Schweinsteiger		 Top hole 21/09/2020 Took onboard 90 m3 ready mixed kill mud in Stolsfjorden

Drilling Supervisor


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Wellesley
556 – Wellesley

 		Borgland Dolphin Logistics Operational 6204/11-3
Schweinsteiger		 Rig move 21/09/2020 19 persons booked transport by bus to Fedafjorden. Positive feedback from service companies and . . .

Johan Kjos-Hanssen


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Wellesley
519 – Wellesley

 		Borgland Dolphin Drilling Planning 6204/11-3
Schweinsteiger		 P&A 17/09/2020 Evaluated if joining the Rig Chase Campaign would be beneficial compared to the original plan using . . .

Elisabeth Vik


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Wellesley
1063 – Wellesley

 		Borgland Dolphin Logistics Operational 6204/11-3
Schweinsteiger		 Top hole 15/09/2020 Rig Required extra Barite at short notice due to challenges in top hole. PSV delivered Approximately . . .

Johan Kjos-Hanssen


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Wellesley
498 – Wellesley

 		Borgland Dolphin 6204/11-3
Schweinsteiger		 09/09/2020 Increased MW to 1.20 SG on bottom of 12 1/4″ section

Drilling Supervisor


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DNO
1153 – DNO

 		Borgland Dolphin Multidicipline
Experience Transfer Meeting		 Planning A-1 H, A-2 H, A-3 HT2
Oselvar		 N/A 08/09/2020
Too little time for planning.
Not enough time for examination of the SSBoD.
Risks and mitigating . . .

Actions Required for Oselvar: Secure enough time for planning and optimalization – > 6 . . .
Karina Helle / Morten Laget



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DNO
1155 – DNO

 		Borgland Dolphin Drilling
Experience Transfer Meeting		 Planning A-1 H, A-2 H, A-3 HT2
Oselvar		 N/A 08/09/2020
Initial engineering not completed before select phase started.
Several several MoCs.

Actions for Oselvar: “Secure alignement in the project.
Use the project meetings to aligne
Set . . .
Karina Helle / Morten Laget



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DNO
1157 – DNO

 		Borgland Dolphin Drilling
Experience Transfer Meeting		 Planning A-1 H, A-2 H, A-3 HT2
Oselvar		 N/A 08/09/2020 Onshore spares/stocks were limited landing string sourced 3rd party.

Actions Required for Oselvar: Minimum 6 moths planning time
Identify LLI early
Secure small volume . . .
Karina Helle / Morten Laget



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