WE Report

Lessons Learned

Lessons Learned865


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

DNO
1119 – DNO

Island Innovator HSEQ
PSA Q&A
Planning 6507/7-16 S
Canela
N/A 23/07/2019

Kran og løft samt fallende gjenstander er identifisert som risiko områder ref. 11.5 i søknaden . . .

Karina Helle / Morten Laget


PDF


Edit


DNO
1120 – DNO

Island Innovator HSEQ
PSA Q&A
Planning 6507/7-16 S
Canela
N/A 23/07/2019

o Foreligger det rapport revisjoner som innbefatter kran og løft dersom det er foretatt ønskes kopi . . .

Karina Helle / Morten Laget


PDF


Edit


DNO
296 – DNO

Island Innovator Drilling Planning 6507/7-16 S
Canela
N/A 07/01/2019 Did not include the sidetracks.


PDF


Edit


DNO
297 – DNO

Island Innovator HSEQ Planning 6507/7-16 S
Canela
N/A 07/01/2019 No description of the specific procedures for the project


PDF


Edit


DNO
298 – DNO

Island Innovator Drilling Planning 6507/7-16 S
Canela
N/A 07/01/2019 BOP configuration was not included in the Rig Intake Risk Assessment


PDF


Edit


DNO
299 – DNO

Island Innovator Drilling Operational 6507/7-16 S
Canela
N/A 07/01/2019 Did not have updated presentation for the meetings, after scope change of well.


PDF


Edit


DNO
300 – DNO

Island Innovator HSEQ Planning 6507/7-16 S
Canela
N/A 07/01/2019 Confusion regarding alert to the PSA on a medevac caused by sentence in Emergency Prepardness . . .


PDF


Edit


DNO
301 – DNO

Island Innovator Drilling Planning 6507/7-16 S
Canela
N/A 07/01/2019 DNO subsurface department wanted to use new OBM for drilling the sidetrack reservoir section.


PDF


Edit


DNO
302 – DNO

Island Innovator Drilling Planning 6507/7-16 S
Canela
N/A 07/01/2019 Perform sidetrack casing design using PP and FG based on planned sidetrack trajectory.


PDF


Edit


DNO
303 – DNO

Island Innovator Drilling Planning 6507/7-16 S
Canela
N/A 07/01/2019 Geological target boxes developed late in planning phase. This resulted in less time for evaluating . . .


PDF


Edit


DNO
304 – DNO

Island Innovator Drilling Planning 6507/7-16 S
Canela
Rig move 07/01/2019 DP trial was performed, spent 5 effective hours (+ 3 hours WOW).


PDF


Edit


DNO
305 – DNO

Island Innovator Drilling Operational 6507/7-16 S
Canela
Top hole 07/01/2019 Conductor set up early. Had to order out more dispersant chemicals for the 20″ cement job due to . . .


PDF


Edit


DNO
306 – DNO

Island Innovator Drilling Operational 6507/7-16 S
Canela
Top hole 07/01/2019 The cement design was updated with reduced lead and increased tail slurry to provide better support . . .


PDF


Edit


DNO
307 – DNO

Island Innovator Drilling Planning 6507/7-16 S
Canela
Pilot hole section 07/01/2019 Pilot hole encountered shallow gas. Observed shallow gas flowing out of well when RIH to open up . . .


PDF


Edit


DNO
308 – DNO

Island Innovator Drilling Planning 6507/7-16 S
Canela
Pilot hole section 07/01/2019 Pilot hole drilled to TD before identifying shallow gas. Resulted in having to order out more . . .


PDF


Edit


DNO
309 – DNO

Island Innovator Drilling Planning 6507/7-16 S
Canela
Surface section 07/01/2019 Not able to use the IRN to MU the motor assembly to the ARC-9 assembly due to short distance between . . .


PDF


Edit


DNO
310 – DNO

Island Innovator Drilling Planning 6507/7-16 S
Canela
Surface section 07/01/2019 Not optimal cement recipe, needed 25 min to clean tanks between lead and tail slurry.


PDF


Edit


DNO
311 – DNO

Island Innovator Drilling Planning 6507/7-16 S
Canela
Surface section 07/01/2019 Cement slurry was changed to a gas-tigh slurry due to encountering shallow gas in pilot hole. Due to . . .


PDF


Edit


DNO
312 – DNO

Island Innovator Drilling Planning 6507/7-16 S
Canela
Intermediate section 07/01/2019 The 17 1/2″ section was drilled, but it proved difficult to get hold of Glycol for the KCl mud.


PDF


Edit


DNO
313 – DNO

Island Innovator Drilling Operational 6507/7-16 S
Canela
Intermediate section 07/01/2019 The 17 1/2″ bit was damaged, when 45 mt WOB was experienced while drilling with large rig heave. . . .


PDF


Edit


New Lesson Learned

You do not have permission to view this form.




\n\t\t

\n\t\t\t\n\t\t\t