WE Report

Lessons Learned

Lessons Learned865

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

PGNiG
392 – PGNiG

 		Deepsea Nordkapp Drilling Planning 6507/5-9 S, 6507/5-9 A
Shrek		 N/A 13/03/2020 Dropped Sec recs and used RAPS/DOPs only. Two RAP meetings onshore per RAP and then 1 offshore . . .


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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
365 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Reservoir section 22/10/2019 Racked core barrels, saving rig time.


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PGNiG
367 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Reservoir section 22/10/2019 Performed FIT to 1.58 sg.


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PGNiG
368 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Reservoir section 22/10/2019 Drilled 8 1/2″ section with 1.30 sg MW. Based on LWD data from 12 ¼” the predicted PP in the 8 ½” . . .


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PGNiG
375 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Reservoir section 22/10/2019 Cores were retrieved successfully.


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PGNiG
381 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Reservoir section 22/10/2019 Circulating beneath annular for potential gas (ie on pulling seal assy)


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PGNiG
382 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Production section 22/10/2019 12-/4” drilling – parameters went well.


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PGNiG
383 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Production section 22/10/2019 Had to stop operations to fix a leak in TDX s-pipe connection – 2x o-rings.


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PGNiG
385 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Production section 22/10/2019 Excellent mud performance throughout operations. Issues with O/W ratio due to topside issues.


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PGNiG
386 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Production section 22/10/2019 Excellent cement performances throughout operations (except the first KOP due to losses, weak . . .


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PGNiG
340 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Pilot hole section 21/10/2019 BHAs racked offline; very tight tolerances with racking boards and stabilizers etc. Same crew that . . .


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Faroe
283 – Faroe

 		Transocean Arctic Drilling Operational 30/6-30
Rungne		 P&A 01/10/2019 Used smaller “Sea Owl” for subsea observation while cutting surface casing strings. This allowed . . .


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Faroe
271 – Faroe

 		Transocean Arctic Drilling Operational 30/6-30
Rungne		 Intermediate section 27/09/2019 Observed stick-slip while drilling through sand intervals and after a limestone stringer.


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Faroe
272 – Faroe

 		Transocean Arctic Drilling Operational 30/6-30
Rungne		 Intermediate section 27/09/2019 Axebalde bit with v-shaped cutters drilled through most limestone stringers without any reduction in . . .


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PGNiG
266 – PGNiG

 		Deepsea Nordkapp Drilling Planning 6507/5-9 S
Shrek		 N/A 25/06/2019 The team decided to use a Excel based well delivery plan.


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PGNiG
267 – PGNiG

 		Deepsea Nordkapp Drilling Planning 6507/5-9 S
Shrek		 N/A 25/06/2019 It was decided to involve a operational planner from Odfjell in the Shrek project to help out with . . .


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PGNiG
330 – PGNiG

 		Deepsea Nordkapp Drilling Planning 6507/5-9 S, 6507/5-9 A
Shrek		 Planning 25/06/2019 The team decided to use a Excel based well delivery plan.


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PGNiG
331 – PGNiG

 		Deepsea Nordkapp Drilling Planning 6507/5-9 S, 6507/5-9 A
Shrek		 Planning 25/06/2019 It was decided to involve a operational planner from Odfjell in the Shrek project to help out with . . .


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