WE Report

Lessons Learned

Lesson Learned





By: Drilling Engineer

Report No.

5140

Discipline/Origin

Drilling
No origin

Well

Carmen
35/10-10S

Date created

2023/04/13
968 days ago

Project Phase

Operational
Project Phase

LL Type/Classification

Casing
Negative

Deepsea Yantai


What happened in Surface section:
NPT: 0.75 hrs
Cost: 156 250 NOK

Observed poor make-up of jt #204 into jt #111:
– No shoulder observed on jt #204 into jt #111.
– B/O and cleaned threads and re-tried, same result.
– L/D jt #204 and inspected box on jt #111, observed thread damage.
– B/O and L/D jt #111.

What Was Planned

P/U & M/U Wellhead, RIH to Land Casing, activate Rigid Lockdown

EDITOR


CLOSE LL (testing)





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