WE Report

Lessons Learned

Lessons Learned865


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

Wellesley
237 – Wellesley

Transocean Arctic Well test Operational 35/11-21 S
Grosbeak West
Reservoir section 16/06/2020 Had to break and re-M/U several joints on Vallourec 7″ 32# P-110 Vam 21 liner due to coating on 7″ . . .


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Wellesley
238 – Wellesley

Transocean Arctic Well test Operational 35/11-21 S
Grosbeak West
Reservoir section 16/06/2020 It took a lot of force to stab 2 x wiper plugs and 2 x cup testers into the 7″ liner. These items . . .


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Wellesley
239 – Wellesley

Transocean Arctic Well test Operational 35/11-21 S
Grosbeak West
Reservoir section 16/06/2020 Only able to pump with 2500 lpm while cleaning up 9 5/8″ casing and displacing from OBM to brine.


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Wellesley
240 – Wellesley

Transocean Arctic Well test Operational 35/11-21 S
Grosbeak West
Reservoir section 16/06/2020 During RIH of the DST string the sample carrier was over-torque to 14000 ftp instead of 4000 ftp. . . .


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Wellesley
241 – Wellesley

Transocean Arctic Well test Operational 35/11-21 S
Grosbeak West
Reservoir section 16/06/2020 While running the Surface Test Tree (STT) and attempting to make up the Upper stiff joint connection . . .


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Wellesley
242 – Wellesley

Transocean Arctic Well test Operational 35/11-21 S
Grosbeak West
Reservoir section 16/06/2020 During P/U weak link bails, the electric remote control was switched off on the shute. Due to the . . .


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Wellesley
1148 – Wellesley

Transocean Arctic Well test
PSA Q&A
Planning 35/12-6 S
Kallåsen
N/A 21/03/2018

Opsjoner for en mulig brønntest. Er denne operasjonen, samt utstyret som skal benyttes inkludert
i . . .

Karina Helle / Morten Laget


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