WE Report

Lessons Learned

Lessons Learned865


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

DNO
1161 – DNO

Borgland Dolphin HSEQ
Experience Transfer Meeting
Operational A-1 H, A-2 H, A-3 HT2
Oselvar
N/A 08/09/2020 Low reactive safety figures.

Actions Required for Oselvar: Look into a system for follow up of safety performance
Karina Helle / Morten Laget



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DNO
1162 – DNO

Borgland Dolphin Multidicipline
Experience Transfer Meeting
Operational A-1 H, A-2 H, A-3 HT2
Oselvar
N/A 08/09/2020
Efficient switch to suspension mode.
Flexibility due to Covid-19.

Actions Required for Oselvar: Prepare for contingencies
Karina Helle / Morten Laget



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DNO
1163 – DNO

Borgland Dolphin Logistics
Experience Transfer Meeting
Operational A-1 H, A-2 H, A-3 HT2
Oselvar
N/A 08/09/2020
Experience transfer meeting, Schooner & Ketch: Efficient mibilisation and backload
Minimal best . . .

Karina Helle / Morten Laget



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DNO
1309 – DNO

Island Innovator Operational 6507/7-16 S
Canela
18/12/2019 CCU sling hektet i PSV


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DNO
1307 – DNO

Island Innovator Operational 6507/7-16 S
Canela
14/12/2019 Bytte av HK slot fra natt til dagslys kriterier.


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DNO
1306 – DNO

Island Innovator Operational 6507/7-16 S
Canela
11/12/2019 Risk of high MGO cost


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DNO
1316 – DNO

Island Innovator Operational 6507/7-16 S
Canela
06/12/2019 Flere PAX er booka på 21 dagers rotasjon 3-3


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DNO
1064 – DNO

Island Innovator Logistics Operational 6507/7-16 S
Canela
Top hole 04/12/2019 Pilot hole challenges required alot of extra Barite, more than what was planned to have onboard the . . .

Johan Kjos-Hanssen


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DNO
1300 – DNO

Island Innovator Operational 6507/7-16 S
Canela
28/11/2019 Express mobilisering av core utstyr for core#3


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DNO
1301 – DNO

Island Innovator Operational 6507/7-16 S
Canela
28/11/2019 Manglende WL disco utstyr.


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DNO
1302 – DNO

Island Innovator Operational 6507/7-16 S
Canela
28/11/2019 Håndtering av Kjerneprøver ved minus grader


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DNO
299 – DNO

Island Innovator Drilling Operational 6507/7-16 S
Canela
N/A 07/01/2019 Did not have updated presentation for the meetings, after scope change of well.


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DNO
305 – DNO

Island Innovator Drilling Operational 6507/7-16 S
Canela
Top hole 07/01/2019 Conductor set up early. Had to order out more dispersant chemicals for the 20″ cement job due to . . .


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DNO
306 – DNO

Island Innovator Drilling Operational 6507/7-16 S
Canela
Top hole 07/01/2019 The cement design was updated with reduced lead and increased tail slurry to provide better support . . .


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DNO
313 – DNO

Island Innovator Drilling Operational 6507/7-16 S
Canela
Intermediate section 07/01/2019 The 17 1/2″ bit was damaged, when 45 mt WOB was experienced while drilling with large rig heave. . . .


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DNO
314 – DNO

Island Innovator Drilling Operational 6507/7-16 S
Canela
Intermediate section 07/01/2019 KCl WBM was used for drilling the 17 1/2″ section to 1200 m. The hole was observed in good condition . . .


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DNO
316 – DNO

Island Innovator Operational 6507/7-16 S
Canela
Production section 07/01/2019 Drilled section with planned mud and mud weight without problems with cavings. Cavaings identified . . .


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DNO
317 – DNO

Island Innovator Drilling Operational 6507/7-16 S
Canela
Production section 07/01/2019 Drilled section with planned mud and mud weight without problems with cavings. Cavaings identified . . .


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DNO
320 – DNO

Island Innovator Drilling Operational 6507/7-16 S
Canela
Production section 07/01/2019 Great care taken breaking circulation at casing TD/washing down to land off. Used 100 lpm steps, . . .


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DNO
321 – DNO

Island Innovator Drilling Operational 6507/7-16 S
Canela
Production section 07/01/2019 High values of LOT/FIT expected; 1.95 sg EMW. Value of ESD measured by LWD tool ahead of FIT was . . .


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