WE Report

Lessons Learned

Lessons Learned865

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

DNO
1299 – DNO

 		Island Innovator Planning 6507/7-16 S
Canela		 27/11/2019 Serivceselskap ikke kontroll på BL.


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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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PGNiG
342 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Pilot hole section 22/10/2019 BHA modules coming out with various lifting subs.


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PGNiG
343 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Surface section 22/10/2019 Unable to locate XO sub (DC58/TT550 NOV/Intelserv) offshore for 17 ½” BHA. New crossover had to be . . .


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PGNiG
344 – PGNiG

 		Deepsea Nordkapp Drilling
INTERNAL		 Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Surface section 22/10/2019 WDP did not enhance the Shrek drilling operations in any significant capacity


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PGNiG
345 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Surface section 22/10/2019 IKM MRR 300 system (modified in lack of 500 system), failed to deliver adequate flow (3500lpm), . . .


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PGNiG
346 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Surface section 22/10/2019 IKM MRR: missing hoses between LARS and 90 degrees flowbend topside. Backloaded by Mi Swaco.


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PGNiG
347 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Surface section 22/10/2019 Exhaust from IKM generator causing fumes and issues being in cement office


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PGNiG
348 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Surface section 22/10/2019 XBAT was run on 17 1/2″ BHA regardless.


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PGNiG
349 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Surface section 22/10/2019 Elevator bushing for 13 3/8″ casing was missing on rig (backup to CRTi tool). This message was . . .


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PGNiG
350 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Surface section 22/10/2019
Unable to make up Dril-Quip 13 3/8” no cross coupling (VAM 21) to WH assembly (VAM 21).
Had to . . .


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PGNiG
351 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Surface section 22/10/2019
Silo #4 achieved desired pump rate (800 lpm) by opening the valves 7 %.
Silo #2 achieved same only . . .


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PGNiG
352 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Surface section 22/10/2019
Due to protecting melons on riser joints, the riser joints were not sufficiently balanced. This . . .


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PGNiG
353 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Surface section 22/10/2019 Observed last riser joint slipped out of RCWM trolley when picking up joint to vertical position . . .


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PGNiG
354 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Surface section 22/10/2019 Kelly hose trapped in Riser guard groove. Continued using straps around the guards to avoid . . .


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PGNiG
355 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Reservoir section 22/10/2019 When P/T lower pipe ram a leak was discovered in the choke line latch coupling between LMRP and BOP . . .


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PGNiG
356 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Production section 22/10/2019 Used mousehole and bucking machine for offline operations.


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PGNiG
357 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Production section 22/10/2019 Casing running performance was good.


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PGNiG
358 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Production section 22/10/2019
Backup 12 ¼” BHA tools not testing correctly (XBAT, PWD and HCIM)
Shipped out new backup XBAT and . . .


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PGNiG
359 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Production section 22/10/2019 Insite (Halliburton) could not handle NOV data, resulting in an overload and some NPT.


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