WE Report

Lessons Learned

Lessons Learned865

My cases
My open cases


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

Wellesley
225 – Wellesley

 		Transocean Arctic Drilling Operational 35/12-6 S
Kallåsen		 P&A 07/02/2019


PDF


Edit


Wellesley
226 – Wellesley

 		Transocean Arctic Drilling Operational 35/12-6 S
Kallåsen		 P&A 07/02/2019 Neck on lower part of MPT too short for making up MPT to DP with IRN when using 13 3/8″ adapter for . . .


PDF


Edit


Wellesley
227 – Wellesley

 		Transocean Arctic Drilling Operational 35/12-6 S
Kallåsen		 P&A 07/02/2019


PDF


Edit


Wellesley
229 – Wellesley

 		Transocean Arctic Drilling Operational 35/12-6 S
Kallåsen		 P&A 07/02/2019 The cutting assembly was spaced out wrong from Slb in town. Bull nose and bottom stab below cutter . . .


PDF


Edit


Wellesley
230 – Wellesley

 		Transocean Arctic Drilling Operational 35/12-6 S
Kallåsen		 P&A 07/02/2019 Both primary and secondary cutter assembly was delivered with 6 5/8″ handling subs, torqued up to 50 . . .


PDF


Edit


Wellesley
186 – Wellesley

 		Transocean Arctic Drilling Operational 35/12-7
Serin		 P&A 05/02/2019 Halliburton recommended to rotate the string while setting the P&A plugs, but did not supply a . . .


PDF


Edit


Wellesley
187 – Wellesley

 		Transocean Arctic Drilling Operational 35/12-7
Serin		 P&A 05/02/2019 Reduced to 10 m3 which made a massive difference to the amount of slop generated and skips filled.


PDF


Edit


Wellesley
188 – Wellesley

 		Transocean Arctic Drilling Operational 35/12-7
Serin		 P&A 05/02/2019 Paintjob was not successful. All paint washed off during job.


PDF


Edit


Wellesley
189 – Wellesley

 		Transocean Arctic Drilling Operational 35/12-7
Serin		 P&A 05/02/2019 Observed 3 1/2″ cmt. Stinger partially plugged with debris and cement on POOH after having set 4 . . .


PDF


Edit


Wellesley
190 – Wellesley

 		Transocean Arctic Drilling Operational 35/12-7
Serin		 P&A 05/02/2019 TOA’s acoustic BOP pressure sensor was successfully used to monitor backpressure exerted on the well . . .


PDF


Edit


Wellesley
191 – Wellesley

 		Transocean Arctic Drilling Operational 35/12-7
Serin		 P&A 05/02/2019


PDF


Edit


Wellesley
192 – Wellesley

 		Transocean Arctic Drilling Operational 35/12-7
Serin		 P&A 05/02/2019 Believed that the HP housing lock ring was not set or only partially set, alternatively it was . . .


PDF


Edit


Wellesley
193 – Wellesley

 		Transocean Arctic Drilling Operational 35/12-7
Serin		 P&A 05/02/2019 Equipment sent out did not include specialized eq for cut and pulling 30″ and 20″ casing in case the . . .


PDF


Edit


DNO
328 – DNO

 		Island Innovator Drilling Operational 6507/7-16 S
Canela		 P&A 07/01/2019 During POOH with 9 5/8″ cutting assembly the pipe lifted out of slips due to knives hanging up in WB . . .


PDF


Edit


DNO
329 – DNO

 		Island Innovator Drilling Planning 6507/7-16 S
Canela		 P&A 07/01/2019 During M/U of 20″x36″ cutting assembly (MOST tool), had to break off MOST tool above space out pup . . .


PDF


Edit


DEA
1123 – DEA

 		Island Innovator HSEQ
PSA Q&A		 Planning 7321/4-1
Gråspett		 P&A 02/07/2018

Hvilke vurderinger er gjort med hensyn til robuste kommunikasjonsløsninger, herunder radio og . . .

Karina Helle / Morten Laget


PDF


Edit


DNO
1237 – DNO

 		Borgland Dolphin Other
PSA Findings		 Other A-1 H, A-2 H, A-3 HT2
Oselvar		 P&A 22/03/2018

Karina Helle / Morten Laget


PDF


Edit


DNO
1234 – DNO

 		Borgland Dolphin Other
PSA Findings		 Other A-1 H, A-2 H, A-3 HT2
Oselvar		 P&A 23/11/2017

Karina Helle / Morten Laget


PDF


Edit


Faroe
157 – Faroe

 		Deepsea Bergen Drilling Operational 31/7-2 S
Brasse Appraisal		 P&A 28/09/2017 Drilled 36″ hole with 36″ bit at 21 m/hr on bottom ROP without problems maintaining verticality.


PDF


Edit


Faroe
169 – Faroe

 		Deepsea Bergen Drilling Operational 31/7-2 S
Brasse Appraisal		 P&A 28/09/2017 In DOP for pulling 9 5/8″ seal assembly, it was planned “Pick up with 3 ton overpull to check MPT . . .


PDF


Edit


New Lesson Learned

You do not have permission to view this form.

Cancel
Save Draft
Submit






\n\t\t

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