WE Report

Lessons Learned

Lesson Learned





By: Phil Hardy

Report No.

4831

Discipline/Origin

Drilling
No origin

Well

Copernicus
6608/1-1 S

Date created

2022/08/29
1195 days ago

Project Phase

Operational
Project Phase

LL Type/Classification

Operational
Negative

Deepsea Yantai


What happened in :
When the conductor was lowered to the seabed it was realised that a blanking plate from the Wellhead housing had not been installed. The running tool was recovered to the moonpool and the blanking plate installed. The extra trippingresulted in approx 2 hrs of additional rig time.

What Was Planned

It was planned to run the conductor & LPWHH without a PGB.
This necessitated the use of inclinometers ounted to th erunning tool.

What Was Learned

Pre deployment checks had not been completed by drillquip.

What Actions Are Required

Drillquip to formalise pre deployment checks with checklist

EDITOR


CLOSE LL (testing)





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