WE Report

Lessons Learned

Lessons Learned865

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

DNO
2099 – DNO

 		Borgland Dolphin Drilling
Own Experience		 Operational 2/5-15
Gomez		 Production section 29/08/2021
The NORM instrument was found finally found on the drillfloor, however in an unmarked black . . .

Drilling Engineer / Morten Laget


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DNO
2015 – DNO

 		Borgland Dolphin Drilling
Experience Transfer Meeting		 Operational 2/5-15
Gomez		 Surface section 14/08/2021 All handling subs had 5 1/2″ size. Had to spend rig time and expose rig crew in red zone changing . . .

Contact all vendors that deliver tools with handling subs to Borgland Dolphin
Drilling Supervisor / Morten Laget


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DNO
2004 – DNO

 		Borgland Dolphin Drilling
Own Experience		 Operational A-1 H, A-2 H, A-3 HT2
Oselvar		 P&A 27/07/2021
Franks tong was moved into the drill floor from the starboard tool landing are on the skate through . . .

Drilling Supervisor / Stig Seland



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DNO
1970 – DNO

 		Borgland Dolphin Drilling Operational A-3 HT2
Oselvar		 P&A 05/07/2021 The 9 5/8″ casing hanger had a 10″ pup joint made up to it This was not identified on the hanger . . .

Drilling Engineer / Stig Seland



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DNO
1969 – DNO

 		Borgland Dolphin Drilling Operational A-1 H, A-2 H, A-3 HT2
Oselvar		 P&A 01/07/2021
Drill crew observed that Slips for perforating guns came out
to rig without handles.

Øystein Prytz / Stig Seland



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DNO
1547 – DNO

 		Borgland Dolphin Drilling
Own Experience		 Operational A-1 H, A-2 H, A-3 HT2
Oselvar		 N/A 29/05/2021 Camera not able to get a 360 view as it was off center

Lars Solvang / Stig Seland



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DNO
1466 – DNO

 		Borgland Dolphin Well test
Experience Transfer Meeting		 Operational A-1 H, A-2 H, A-3 HT2
Oselvar		 P&A 09/05/2021
The distance between the Archer pump to grease head is 40+ meters, with the hose full of grease it . . .

Drilling Engineer / Stig Seland



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DNO
1419 – DNO

 		Borgland Dolphin Drilling
Own Experience		 Operational A-1 H, A-2 H, A-3 HT2
Oselvar		 P&A 11/04/2021 We pressure tested the BOP in an untraditional way using a BOP jump tool. This took very long time . . .

Drilling Supervisor / Stig Seland



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DNO
1415 – DNO

 		Borgland Dolphin Subsea
Own Experience		 Operational A-1 H, A-2 H, A-3 HT2
Oselvar		 P&A 10/04/2021 Two fingers have been torn off the protective sleeve/ retainer ring on the SSTT. One finger was . . .

Sturla Jensen / Stig Seland



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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
1386 – DNO

 		Borgland Dolphin Logistics
Own Experience		 Operational A-1 H, A-2 H, A-3 HT2
Oselvar		 Subsea 29/03/2021
During operations things got delayed and went missing in the transport route (Aker fuses for . . .

Drilling Engineer / Stig Seland



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DNO
318 – DNO

 		Island Innovator Drilling Planning 6507/7-16 S
Canela		 N/A 07/01/2019 Used the 1 x 2 m pup, had we crossed threads we had no back-up.


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DNO
327 – DNO

 		Island Innovator Drilling Operational 6507/7-16 S
Canela		 Reservoir section 07/01/2019 ESD accidentally operated in wireline unit.


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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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