WE Report

Lessons Learned

Lesson Learned





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Report No.

255

Discipline/Origin

Drilling
No origin

Well

Songesand
35/4-2

Date created

2020/06/16
1999 days ago

Project Phase

Operational
Project Phase

LL Type/Classification

Equipment
Negative

Transocean Arctic


What happened in Top hole:
The handling pup was 3 m which was not long enough to get the WH below rotary and get the tuggers up and around the elevators to install the master bushings in the table (ready to install the 5 1/2″ DP slips).

What Was Planned

30″ WHH handling pup length 3 m

What Was Learned

This pup needs to be 4-4.5 m to make this operation easier. However, this will make the WH assy +/- 19 m from town. If not feasible, should change DOP to M/U an extra pup joint on deck prior to pick up.

What Actions Are Required

Evaluate if one should increase pup-length or change DOP.

EDITOR


CLOSE LL (testing)





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