WE Report

Lessons Learned

Lessons Learned865

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

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
335 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Rig move 21/10/2019 The c-plate was onshore and put on spud boat just in time.


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PGNiG
336 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Rig move 21/10/2019 Due to AHV cost we moored prior to spudding due to vessels been on contract due to market situation


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PGNiG
337 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Top hole 21/10/2019
When running conductor 0.5 m higher stick-up was observed.
Base plan was to hold the conductor . . .


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PGNiG
338 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Top hole 21/10/2019
Slow ROP with 36″ x 42″ BHA, due to keeping neutral point below seabed, it limited the drilling . . .


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PGNiG
339 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Top hole 21/10/2019 Rigged up for conductor running, extra 20 ft mobilized for the operation.


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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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PGNiG
341 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Pilot hole section 21/10/2019 Debris and cuttings could congregate around the subsea WHIM as cuttings would not go to surface . . .


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PGNiG
334 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Rig move 16/09/2019 Fiberglass innerstring joints for conductor (Halliburton Coring) not delivered for spudboat . . .


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PGNiG
333 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Rig move 12/09/2019
* B/U 9 7/8” BHA not delivered on time, but 3.5 days later than requested
* 8” backup contingency . . .


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PGNiG
269 – PGNiG

 		Deepsea Nordkapp Drilling Planning 6507/5-9 S
Shrek		 N/A 02/09/2019
The project was quite unorganized with a lot of revisions and outdated info provided to the . . .


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PGNiG
268 – PGNiG

 		Deepsea Nordkapp Drilling Planning 6507/5-9 S
Shrek		 N/A 26/08/2019
Poor communication between NOV and Halliburton regarding delivery of crucial elements (9 1/2″ . . .


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PGNiG
332 – PGNiG

 		Deepsea Nordkapp Drilling Planning 6507/5-9 S, 6507/5-9 A
Shrek		 Planning 29/07/2019 In order to ensure compliance with NORSOK, a verification of the conductor analysis was done by DNV . . .


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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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