WE Report

Lessons Learned

Lessons Learned865


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

Faroe
288 – Faroe

Transocean Arctic Drilling Operational 31/7-3 S
Brasse
Top hole 02/10/2019 Had relatively short rig move where operations ended with OBM and next well started with WBM. . . .


PDF


Edit


Faroe
279 – Faroe

Transocean Arctic Drilling Operational 30/6-30
Rungne
P&A 01/10/2019 Had to remove top stabbing guide on IRN to be able to M/U MPT (45 cm handling pup below). Reason for . . .


PDF


Edit


Faroe
285 – Faroe

Transocean Arctic Marine Planning 30/6-30
Rungne
Rig move 01/10/2019 Timings for anchor handling prio to leaving Rungne location proved to be overly optimistic bearing . . .


PDF


Edit


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 . . .


PDF


Edit


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.


PDF


Edit


Faroe
159 – Faroe

Deepsea Bergen Drilling Operational 31/7-2 S
Brasse Appraisal
Surface section 28/09/2017 Painted lengths on 13 3/8″ casing from town was actual lengths, not M/U lengths. This might cause . . .


PDF


Edit


Faroe
160 – Faroe

Deepsea Bergen Drilling Operational 31/7-2 S
Brasse Appraisal
Surface section 28/09/2017 During M/U 18 3/4″ WHH, threads got cross threaded from side to side when moving the 18 3/4″ WHH. . . .


PDF


Edit


Faroe
165 – Faroe

Deepsea Bergen Drilling Operational 31/7-2 S
Brasse Appraisal
Reservoir section 28/09/2017 Logged liner cement with USIT/CBL. Initial evaluation results offshore showed bad/no cement present. . . .


PDF


Edit


Faroe
167 – Faroe

Deepsea Bergen Well test Operational 31/7-2 S
Brasse Appraisal
N/A 28/09/2017 N/A


PDF


Edit


Faroe
171 – Faroe

Deepsea Bergen Drilling Operational 31/7-2 A
Brasse Appraisal
Intermediate section 28/09/2017 Skips were not practical and required a lot of manual handling to operate. The lids are heavy and . . .


PDF


Edit


Faroe
172 – Faroe

Deepsea Bergen Drilling Operational 31/7-2 A
Brasse Appraisal
Intermediate section 28/09/2017
After making up the 9 5/8″ liner hanger circulation was attempted established with 2000 lpm. Losses . . .


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