directional drilling in top hole (e.g. 26" hole)

02 December 2007 Hi all
does anyone have experience/advice in what max build up dogleg is
advisable for kicking off in 26" top hole section?
also what limit inclination angle is recommended in big holes like
26" to succesfully run 20" casing in.
Thnks
edwin

3 Answer(s)

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