WE Report

Lessons Learned

Lessons Learned865

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

Faroe
273 – Faroe

 		Transocean Arctic Drilling Operational 30/6-30
Rungne		 Intermediate section 30/09/2019 The 5 1/2″ DP handling pup made up to the 9 5/8″ casing hanger running tool was too short. The . . .


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Faroe
274 – Faroe

 		Transocean Arctic Drilling Operational 30/6-30
Rungne		 Intermediate section 30/09/2019 Tagged fill 30 m above casing hanger landing depth/ casing shoe 36 m off bottom. Washed heavy casing . . .


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Faroe
275 – Faroe

 		Transocean Arctic Drilling Operational 30/6-30
Rungne		 Intermediate section 30/09/2019 Unable to set 9 5/8″ seal assembly. Observed initial pressure increase but unable to pass 100-120 . . .


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Faroe
276 – Faroe

 		Transocean Arctic Drilling Operational 30/6-30
Rungne		 Intermediate section 30/09/2019 The overpull margin was down to only 26 mt at the end, while running the heavy and long 9 5/8″ . . .


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PGNiG
1289 – PGNiG

 		Deepsea Nordkapp Planning 6507/5-9 S, 6507/5-9 A
Shrek		 28/09/2019 Cement som må på ren tak for å unngå kontaminering. Expadacment kan ikke ligge på samme tank uten . . .


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Faroe
270 – Faroe

 		Transocean Arctic Drilling Operational 30/6-30
Rungne		 Intermediate section 27/09/2019 Difficult to achieve data acqusition requirement of 10 m samples.


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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
1288 – PGNiG

 		Deepsea Nordkapp Planning 6507/5-9 S, 6507/5-9 A
Shrek		 26/09/2019 Hastemobilisering av Bit breaker til AUX.


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PGNiG
1290 – PGNiG

 		Deepsea Nordkapp Operational 6507/5-9 S, 6507/5-9 A
Shrek		 26/09/2019 Ekspress shipment fra Kokstad – ble ikke ekspress. Estimert ekspress tid/kjøring 10-12 timer. . . .


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PGNiG
1291 – PGNiG

 		Deepsea Nordkapp Operational 6507/5-9 S, 6507/5-9 A
Shrek		 26/09/2019 Ved Ekspress shipment fra WL ville ikke Bring dele ut mobilnummer til sjåfør, men kun et generelt . . .


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PGNiG
1287 – PGNiG

 		Deepsea Nordkapp Operational 6507/5-9 S, 6507/5-9 A
Shrek		 25/09/2019 NOV Wired Pipe – Måtte hastemobilisere ny og NOV kunne ikke pakke denne i basket (lengde 4 mtr) da . . .


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PGNiG
1292 – PGNiG

 		Deepsea Nordkapp Operational 6507/5-9 S, 6507/5-9 A
Shrek		 20/09/2019 Ved utlasting av 12-1/4″ BHA til sidesteg ble flere CCU’er stoppet i teknisk kontroll på Vestbase. . . .


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PGNiG
1285 – PGNiG

 		Deepsea Nordkapp Planning 6507/5-9 S, 6507/5-9 A
Shrek		 18/09/2019 Gi akspekt til Heliport for aksept av bevitnelse ved mangelfull id på? (2 på samme flight behøves)


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PGNiG
1286 – PGNiG

 		Deepsea Nordkapp Operational 6507/5-9 S, 6507/5-9 A
Shrek		 18/09/2019 mulig Ikke behov for å mobilisere WL disco pakke før funn. Ved funn blir det tidkrevende coring. Kun . . .


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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
1281 – PGNiG

 		Deepsea Nordkapp Operational 6507/5-9 S, 6507/5-9 A
Shrek		 05/09/2019 Problemer med å løfte Riser joints fra Normand Skude – Melon montert feil – kan ikke stables . . .


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PGNiG
1282 – PGNiG

 		Deepsea Nordkapp Operational 6507/5-9 S, 6507/5-9 A
Shrek		 05/09/2019 Problemer med riser joints – OD og underlevrandør feilmontert sling. Utfordring å heise til rigg. . . .


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PGNiG
1280 – PGNiG

 		Deepsea Nordkapp Planning 6507/5-9 S, 6507/5-9 A
Shrek		 04/09/2019 Problemer med Normand Skude handling


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