WE Report

Lessons Learned

Lesson Learned





By: Karina Helle

Report No.

1246

Discipline/Origin

Drilling
PSA Q&A

Well

Oselvar
A-1 H, A-2 H, A-3 HT2

Date created

2021/01/31
1772 days ago

Project Phase

Other
Project Phase

LL Type/Classification

PSA Q&A
N/A

Borgland Dolphin


PSA Q&A

Question

Fra møte i september ber vi om en oppfølging av følgende aksjoner:

Actions
Based on feedback and comments raised by the PSA in the meeting, the following actions were noted:

Recommend checking Wellhead shut in pressure used in the design documents for bullheading with brine. DNO/Einar Framnes 05.10.2020

Answer

Siden møtet i høst har vi gjennomført en Risk Assessment og endret strategi, og planlegger nå bullheading med sjøvann. Dette er beskrevet i pluggeprogrammene.
Ref. Dong Drilling and Completion Programs:
• Maximum expected wellhead shut in pressure: 331 bar
• Well design pressure: 345 bar
• Maximum expected wellhead shut in pressure during Oselvar PP&A: 225 bar

EDITOR


CLOSE LL (testing)





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