WE Report

Lessons Learned

Lessons Learned865

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

DNO
1417 – DNO

 		Borgland Dolphin Subsea
Own Experience		 Operational A-1 H, A-2 H, A-3 HT2
Oselvar		 P&A 10/04/2021 Heavily bending on Lubricator Umbilical approx 1,5 m from termination head for. Caused by Clamp had . . .

Sturla Jensen / Stig Seland



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DNO
1418 – DNO

 		Borgland Dolphin Subsea
Own Experience		 Operational A-1 H, A-2 H, A-3 HT2
Oselvar		 P&A 10/04/2021
Disconnected BOP.
Inspected top of TH and crown plug.

Sturla Jensen / Stig Seland



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DNO
1402 – DNO

 		Borgland Dolphin Subsea
Experience Transfer Meeting		 Operational A-1 H, A-2 H, A-3 HT2
Oselvar		 P&A 07/04/2021 It was difficult to install and hold straight due to handle on the torque tool. It was also . . .

Sturla Jensen / Stig Seland



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DNO
1400 – DNO

 		Borgland Dolphin Subsea
Own Experience
INTERNAL		 Operational A-1 H, A-2 H, A-3 HT2
Oselvar		 P&A 06/04/2021 Unable to install flushing cap and URF offline, operations had to be done on rig time. Not able to . . .

Øystein Prytz / Stig Seland



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DNO
1396 – DNO

 		Borgland Dolphin Well test
Own Experience		 Operational A-1 H, A-2 H, A-3 HT2
Oselvar		 P&A 05/04/2021 We discussed the option 1) of hanging the entire landings string with Wellsafe Explorer weak links, . . .

Drilling Supervisor / Stig Seland



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DNO
1397 – DNO

 		Borgland Dolphin Drilling Operational A-1 H, A-2 H, A-3 HT2
Oselvar		 P&A 05/04/2021 The DOPs was in the best intention written very detailed, with exact description of many small . . .

Drilling Supervisor / Stig Seland



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DNO
1395 – DNO

 		Borgland Dolphin Drilling
Own Experience		 Operational A-1 H, A-2 H, A-3 HT2
Oselvar		 P&A 04/04/2021 Landing string got stuck after pulling 7 m. Possible stuck with SSTT at marine riser flex joint, OR . . .

Drilling Supervisor / Stig Seland



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DNO
1376 – DNO

 		Borgland Dolphin Drilling
Own Experience		 Planning A-1 H, A-2 H, A-3 HT2
Oselvar		 P&A 27/03/2021 A lot of changes in start of the operation. Change of document name, change of specific lines, . . .

Drilling Engineer / Stig Seland



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DNO
1236 – DNO

 		Borgland Dolphin Other
PSA Findings		 Other A-1 H, A-2 H, A-3 HT2
Oselvar		 P&A 20/11/2019

Karina Helle / Morten Laget


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DNO
1233 – DNO

 		Borgland Dolphin Other
PSA Findings		 Other A-1 H, A-2 H, A-3 HT2
Oselvar		 P&A 08/10/2019

Karina Helle / Morten Laget


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DNO
328 – DNO

 		Island Innovator Drilling Operational 6507/7-16 S
Canela		 P&A 07/01/2019 During POOH with 9 5/8″ cutting assembly the pipe lifted out of slips due to knives hanging up in WB . . .


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DNO
329 – DNO

 		Island Innovator Drilling Planning 6507/7-16 S
Canela		 P&A 07/01/2019 During M/U of 20″x36″ cutting assembly (MOST tool), had to break off MOST tool above space out pup . . .


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DNO
1237 – DNO

 		Borgland Dolphin Other
PSA Findings		 Other A-1 H, A-2 H, A-3 HT2
Oselvar		 P&A 22/03/2018

Karina Helle / Morten Laget


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DNO
1234 – DNO

 		Borgland Dolphin Other
PSA Findings		 Other A-1 H, A-2 H, A-3 HT2
Oselvar		 P&A 23/11/2017

Karina Helle / Morten Laget


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DNO
1235 – DNO

 		Borgland Dolphin Other
PSA Findings		 Other A-1 H, A-2 H, A-3 HT2
Oselvar		 P&A 08/06/2017

Karina Helle / Morten Laget


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DNO
1232 – DNO

 		Borgland Dolphin HSEQ
PSA Findings		 Other A-1 H, A-2 H, A-3 HT2
Oselvar		 P&A 11/11/2016

Karina Helle / Morten Laget


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