Conductor setting depth

07 August 2020 Dear all

We do Coal seam gas wells here in Australia. Typically the conductor depths we have here is just 1 x 14" jt ~ 10m . Recently we have seen lots of broaching at differnt stage of well construction. I was wondering what is the rule of thumb for conductor setting on land wells and how deep is enough as the next casing is around 70m.

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