WE Report

Lessons Learned

Lesson Learned





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Report No.

353

Discipline/Origin

Drilling
No origin

Well

Shrek
6507/5-9 S, 6507/5-9 A

Date created

2019/10/22
2237 days ago

Project Phase

Operational
Project Phase

LL Type/Classification

BOP
Negative

Deepsea Nordkapp


What happened in Surface section:
Observed last riser joint slipped out of RCWM trolley when picking up joint to vertical position with elevator. The resulting load from riser on guide arm caused the hydraulic cylinders on tail-in arm to bend, 1 hour of downtime.

What Was Planned

Run BOP on marine riser.

What Was Learned

In absence of the primary solution, the floor manipulator arm was rigged up and used instead, worked ok.

What Actions Are Required

Odfjell to follow up to avoid similar incidents.

EDITOR


CLOSE LL (testing)





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