WE Report

Lessons Learned

Lessons Learned865


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

PGNiG
8288 – PGNiG

Deepsea Yantai Drilling Operational 6501/10-1
Tomcat
P&A 15/02/2025 Could not find BHAs in drilling program

Drilling Engineer


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PGNiG
8289 – PGNiG

Deepsea Yantai Drilling Operational 6501/10-1
Tomcat
P&A 15/02/2025 Cutting job planned with long knives to ensure ability to cut through casing joints in case of . . .

Drilling Engineer


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PGNiG
8290 – PGNiG

Deepsea Yantai Drilling Operational 6501/10-1
Tomcat
P&A 15/02/2025 Primary cutter was tempest backup cutter was conventional with marine swivel. Lack of annular swivel . . .

Drilling Engineer


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PGNiG
4913 – PGNiG

Deepsea Yantai Drilling Operational 6608/1-1 S
Copernicus
P&A 23/09/2022 When pulling the conductor there was no cement stuck to it due to use of protane wrapping on the . . .

Drilling Engineer / Morten Laget


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PGNiG
4910 – PGNiG

Deepsea Yantai Drilling Operational 6608/1-1 S
Copernicus
P&A 19/09/2022 After setting 8 1/2″ OH P&A Cement Plug the plan was to circulate clean at 100 m over TOC and . . .

Drilling Engineer / Morten Laget


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PGNiG
4905 – PGNiG

Deepsea Yantai Drilling Operational 6608/1-1 S
Copernicus
P&A 16/09/2022 To balanced the cement plug by pumping more spacer behind the cement plug.

Drilling Engineer / Morten Laget


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PGNiG
4901 – PGNiG

Deepsea Yantai Drilling Operational 6608/1-1 S
Copernicus
P&A 14/09/2022 The heating cabinet in the logging unit does not work as required, not able to change the . . .

Drilling Engineer / Morten Laget


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