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Under-reaming in the Carboniferous
01 February 2018

Gents,

Has under-reaming in the Carboniferous ever been attempted ( 6” bit size)  in horizontal well in the North Sea?

Could you share any information ? SPE number, Flyers, etc

I’m interested to see the lesson learned and main challenges ?


1 answer(s)
honeytitus2020
Drilling Engineering Manager
SME Drilling Performance
Total Posts: 3
Join Date: 29/07/08
Hola Ruben;
Due to the formation characteristics, and the hole size, you maybe better off with a bicenter bit rather than UR. The horizontal aspect further complicate the UR issue.
Cheers
Hani

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