WE Report

Lessons Learned

Lessons Learned865

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

DNO
1155 – DNO

 		Borgland Dolphin Drilling
Experience Transfer Meeting		 Planning A-1 H, A-2 H, A-3 HT2
Oselvar		 N/A 08/09/2020
Initial engineering not completed before select phase started.
Several several MoCs.

Actions for Oselvar: “Secure alignement in the project.
Use the project meetings to aligne
Set . . .
Karina Helle / Morten Laget



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DNO
1157 – DNO

 		Borgland Dolphin Drilling
Experience Transfer Meeting		 Planning A-1 H, A-2 H, A-3 HT2
Oselvar		 N/A 08/09/2020 Onshore spares/stocks were limited landing string sourced 3rd party.

Actions Required for Oselvar: Minimum 6 moths planning time
Identify LLI early
Secure small volume . . .
Karina Helle / Morten Laget



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DNO
1158 – DNO

 		Borgland Dolphin C&P
Experience Transfer Meeting		 Planning A-1 H, A-2 H, A-3 HT2
Oselvar		 N/A 08/09/2020 A lot of POs and Invoices.

Actions Required for Oselvar: Ensure contract strategy is known within the team
Karina Helle / Morten Laget



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DNO
1159 – DNO

 		Borgland Dolphin Drilling
Experience Transfer Meeting		 Reporting A-1 H, A-2 H, A-3 HT2
Oselvar		 N/A 08/09/2020
Reduced operational efficiency due to poor weather.
Developed a method to lay out completion . . .

Actions Required for Oselvar: Plan for lay out of completion tubulars
Secure efficient operations . . .
Karina Helle / Morten Laget



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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
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
296 – DNO

 		Island Innovator Drilling Planning 6507/7-16 S
Canela		 N/A 07/01/2019 Did not include the sidetracks.


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DNO
297 – DNO

 		Island Innovator HSEQ Planning 6507/7-16 S
Canela		 N/A 07/01/2019 No description of the specific procedures for the project


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DNO
298 – DNO

 		Island Innovator Drilling Planning 6507/7-16 S
Canela		 N/A 07/01/2019 BOP configuration was not included in the Rig Intake Risk Assessment


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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
300 – DNO

 		Island Innovator HSEQ Planning 6507/7-16 S
Canela		 N/A 07/01/2019 Confusion regarding alert to the PSA on a medevac caused by sentence in Emergency Prepardness . . .


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DNO
304 – DNO

 		Island Innovator Drilling Planning 6507/7-16 S
Canela		 Rig move 07/01/2019 DP trial was performed, spent 5 effective hours (+ 3 hours WOW).


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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
307 – DNO

 		Island Innovator Drilling Planning 6507/7-16 S
Canela		 Pilot hole section 07/01/2019 Pilot hole encountered shallow gas. Observed shallow gas flowing out of well when RIH to open up . . .


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DNO
308 – DNO

 		Island Innovator Drilling Planning 6507/7-16 S
Canela		 Pilot hole section 07/01/2019 Pilot hole drilled to TD before identifying shallow gas. Resulted in having to order out more . . .


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DNO
309 – DNO

 		Island Innovator Drilling Planning 6507/7-16 S
Canela		 Surface section 07/01/2019 Not able to use the IRN to MU the motor assembly to the ARC-9 assembly due to short distance between . . .


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DNO
310 – DNO

 		Island Innovator Drilling Planning 6507/7-16 S
Canela		 Surface section 07/01/2019 Not optimal cement recipe, needed 25 min to clean tanks between lead and tail slurry.


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DNO
311 – DNO

 		Island Innovator Drilling Planning 6507/7-16 S
Canela		 Surface section 07/01/2019 Cement slurry was changed to a gas-tigh slurry due to encountering shallow gas in pilot hole. Due to . . .


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