Liner-drilling 16" (liner size)Hi folks
At one of last month's workshops, we were discussing the Well Design, which requires casing off a fairly short section that has some 'awkward' shales. It's offshore, from a moored semi in 'moderate' water depth, relatively benign waters.
The current plan is to drill 17½" hole, run and cement a 16" drilling liner.
We then got around to discussing drilling-with-liner. To the best of the knowledge of those in the room, this was not an available/proven technology. So we reverted to the original scheme.
Please could members advise their experience (if any) of this technology:
- What went well - and to assure this can be repeated
- What didn't go well - recommendations to avoid
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