WE Report

Lessons Learned

Lesson Learned





By: Drilling Engineer

Report No.

6254

Discipline/Origin

Drilling
No origin

Well

Toppand East
35/11-5, 39/11-29S

Date created

2024/05/30
555 days ago

Project Phase

Operational
Project Phase

LL Type/Classification

BHA
No classification

COSLPromoter

What happened in Reservoir section:
Needed to change the BX inserts. Resulting in 30 min rig time and unnecessary manual handling.

What Was Planned

The 8 1/2 “BHA that was planned for the Section had 5 1/2″ on the NC50 lifting sub, but cosl has 5 ” DC on 6 1/2″ DC.

What Was Learned

To have a better QC of the BHA and the shank on the lifting sub comparing it to the equipment supplied from the rig.

What Actions Are Required

Change the shank size on the BHA prior to Gnomoria.

EDITOR


CLOSE LL (testing)





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