WE Report

Lessons Learned

Lessons Learned865

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

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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PGNiG
360 – PGNiG

 		Deepsea Nordkapp Drilling
INTERNAL		 Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Production section 22/10/2019 Casing was sent out one week before handling equipment.


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PGNiG
361 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Production section 22/10/2019 Cement stand is big and difficult to handle. Time consuming to rack back and lay out. Cement stand . . .


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PGNiG
362 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Reservoir section 22/10/2019
Drilled to core point and POOH. Experienced tool problems on ADR and XBAT (Sonic). HAL onshore was . . .


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PGNiG
363 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Reservoir section 22/10/2019 Time consuming to test HAL MWD tools onboard.


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PGNiG
364 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Reservoir section 22/10/2019 Time consuming to handle and M/U BHA.


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PGNiG
370 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Reservoir section 22/10/2019 Reduced torque when drilling out shoetrack resulting in less efficiency.


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PGNiG
371 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Reservoir section 22/10/2019 StormGeo faultly predicted the upcoming weather, resulting in new decisions being made based on . . .


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PGNiG
372 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Reservoir section 22/10/2019 Problems with gas readings from gas trap with flow less than 2000 lpm. Gas trap installed in flow . . .


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PGNiG
373 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Reservoir section 22/10/2019
Odfjell changing out parts of Management (TSL, DSL, OIM) to attend 3 day leadership seminar onshore. . . .


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PGNiG
374 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Reservoir section 22/10/2019 Getting OBM sent out lith a low O/W ratio (70/30).


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PGNiG
376 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Reservoir section 22/10/2019 Coal was discovered in reservoar, resulting in stuck core barrels on annulus.


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PGNiG
377 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Reservoir section 22/10/2019 Waited for 30 minutes for annular relaxation after a P/T.


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PGNiG
378 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Production section 22/10/2019 Issues recovering the OH 9-5/8” csg (in preparation for ST). Swabbing in annulus and back flow up . . .


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PGNiG
379 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Production section 22/10/2019 Cut of 9-5/8” casing close to/above uncemented weak sand interval (w/ minor 5% gas). Resulted in . . .


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PGNiG
380 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Reservoir section 22/10/2019 Circulating after releasing 9-5/8” hgr.


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PGNiG
384 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Production section 22/10/2019 NOV software did not include the PGNiG well so PGNiG personnel unable to see it – only seen in . . .


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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
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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