WE Report

Lessons Learned

Lesson Learned





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Report No.

317

Discipline/Origin

Drilling
No origin

Well

Canela
6507/7-16 S

Date created

2019/01/07
2525 days ago

Project Phase

Operational
Project Phase

LL Type/Classification

Mud
Positive

Island Innovator


What happened in Production section:
Drilled section with planned mud and mud weight without problems with cavings. Cavaings identified at TD and MW increased to 1.52 sg in two stages.

What Was Planned

Drill long 12 1/4″ section through Hordaland, Rogaland, Shetlandusing 1.48 sg OBM.

What Was Learned

Hole stabilized, trip out from TD ok.

What Actions Are Required

Review K&M drilling practices related to minimizing risk of “mini shocks” on hole casing breakout.

EDITOR


CLOSE LL (testing)





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