WE Report

Lessons Learned

Lesson Learned





By: Drilling Supervisor

Report No.

1420

Discipline/Origin

Subsea
Own Experience

Well

Oselvar
A-1 H, A-2 H, A-3 HT2

Date created

2021/04/15
1696 days ago

Project Phase

Operational
Project Phase

LL Type/Classification

Operational
Negative

Borgland Dolphin


What happened in P&A:
Unable to jar upper crown plug free. POOH and changed to hydraulic jar. Jarred upper crown plug free assisted by pumping fluid in between crown plugs from WOCS.

What Was Planned

Retrieve crown plugs with mechanical jar on slick line.

What Was Learned

Need stronger equipment for pulling crown plugs.

What Actions Are Required

Plan next well with hydraulic jar and assist with pressure from below when pulling crown plugs.

EDITOR


CLOSE LL (testing)





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