WE Report

Lessons Learned

Lessons Learned865


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

Wellesley
4960 – Wellesley

Borgland Dolphin Logistics
Own Experience
End of Well 36/1-4
Hemispheres
Other 14/12/2022 Sevaral months after end of operation personnel on Saga Fjordbase found a full mudskip left after . . .

Johan Kjos-Hanssen / Morten Laget



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Wellesley
2401 – Wellesley

Borgland Dolphin Drilling
Own Experience
Operational 36/1-4
Hemispheres
Production section 30/12/2021 ALL mud skips was put on the same boat, effectively removing any hope for recieving backload on said . . .

Drilling Engineer / Morten Laget


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Wellesley
2347 – Wellesley

Borgland Dolphin Logistics
Own Experience
Operational 36/1-4
Hemispheres
Top hole 28/12/2021
Saga Fjordbase took the 75ft riser joint and backloaded in addition to the 30″ conductor joints. The . . .

Drilling Engineer / Morten Laget


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Wellesley
2326 – Wellesley

Borgland Dolphin Logistics
Own Experience
Operational 36/1-4
Hemispheres
Top hole 26/12/2021 The base and boat backloaded the primary and secondary 18 3/4″ WHHs instead of two 30″ conductor . . .

Drilling Engineer / Morten Laget


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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
232 – Wellesley

Transocean Arctic Logistics Operational 35/11-21 S
Grosbeak West
Top hole 16/06/2020 Crane operator was unable to lift from supply vessel as basket was too heavy at one end due to 36″ . . .


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Wellesley
251 – Wellesley

Transocean Arctic Drilling Operational 35/11-21 A
Grosbeak
P&A 16/06/2020 N/A


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Wellesley
221 – Wellesley

Transocean Arctic Drilling Operational 35/12-6 S
Kallåsen
P&A 07/02/2019 Not enough cuttings skips for P&A cement plugs.


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Wellesley
228 – Wellesley

Transocean Arctic Drilling Operational 35/12-6 S
Kallåsen
N/A 07/02/2019


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