WE Report

Lessons Learned

Lesson Learned





By: Drilling Engineer

Report No.

5176

Discipline/Origin

Drilling
No origin

Well

Carmen
35/10-10S

Date created

2023/05/08
943 days ago

Project Phase

Operational
Project Phase

LL Type/Classification

Equipment
N/A

Deepsea Yantai


What happened in Reservoir section:
When coring 54 m cores, during connection the kick stand was removed a single joint was connected and the kick stand M/U to the single joint.

What Was Planned

To have one kick stand for HPHT coring operation.

What Was Learned

To have 2 kick stands when drilling an 54 m core, to avoid extra time B/O and M/U a single drill pipe prior to M/U the kick stand again.

What Actions Are Required

To evaluate to send out 2 kick stands when coring 54 m cores in HPHT conditions. Also ensure there is then enough side entry subs, pup joints and kelly cocks onboard for this.

Additional Documentation


HPHT-drilling-stand.pdf

EDITOR


CLOSE LL (testing)





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