WE Report

Lessons Learned

Lessons Learned865


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

Faroe
291 – Faroe

Transocean Arctic Drilling Operational 31/7-3 A
Brasse
Reservoir section 03/10/2019 It took 5 hours to drill the wiper plugs in the Weatherford liner. This is twice as long as normal. . . .


PDF


Edit


Faroe
292 – Faroe

Transocean Arctic Drilling Operational 31/7-3 A
Brasse
Reservoir section 03/10/2019 Stuck with wireline toolstring 1A ZAIT-PEX-PPC-MSIP-PPC-NGI-XPT at 2831 m, bottom of toolstring and . . .


PDF


Edit


Faroe
293 – Faroe

Transocean Arctic Drilling Operational 31/7-3 A
Brasse
Reservoir section 03/10/2019 Performed cut and thread operation to free stuck wireline cable and fish wireline toolstring 1A. . . .


PDF


Edit


Faroe
294 – Faroe

Transocean Arctic Drilling Operational 31/7-3 A
Brasse
Reservoir section 03/10/2019 After engaging fish in overshot an electrical release of cable head (ECRD) was planned. Due to . . .


PDF


Edit


Faroe
295 – Faroe

Transocean Arctic Drilling Operational 31/7-3 A
Brasse
Reservoir section 03/10/2019 Unable to release cable head after engaging fish -> reverse cut and thread operation next. . . .


PDF


Edit


Faroe
277 – Faroe

Transocean Arctic Drilling Operational 30/6-30
Rungne
Reservoir section 01/01/2019 Made first connection on core BHA #3. This 64 m core BHA would require 2 connections on bottom. . . .


PDF


Edit


Faroe
278 – Faroe

Transocean Arctic Drilling Operational 30/6-30
Rungne
Reservoir section 01/01/2019 During POOH with coring assembly #3, took 70 mt overpull at 3250 m. After pulling further 9 m, got a . . .


PDF


Edit


Faroe
162 – Faroe

Deepsea Bergen Drilling Operational 31/7-2 S
Brasse Appraisal
Reservoir section 28/09/2017
WL logs showed that the core point was in the Hardråde fm in the Shetland Gp and not in the Draupne . . .


PDF


Edit


Faroe
163 – Faroe

Deepsea Bergen Drilling Operational 31/7-2 S
Brasse Appraisal
Reservoir section 28/09/2017 Stick clay was observed in the lower Fensfjord fm. Up to 22mt overpull was observed POOH, and a . . .


PDF


Edit


Faroe
164 – Faroe

Deepsea Bergen Drilling Operational 31/7-2 S
Brasse Appraisal
Reservoir section 28/09/2017 Core jammed off after cutting 57m, not long after making a connection. Coring was started in the . . .


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
174 – Faroe

Deepsea Bergen Drilling Operational 31/7-2 A
Brasse Appraisal
Reservoir section 28/09/2017 When logging the 9 5/8” casing cement it was discovered during a repeat pass that the cement logs . . .


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