36in hole land (fixed rig)

36in x 1500ft vertical top hole section.

Mainly Sandstone with interbeds of conglomerate, claystone and minor siltstone.

10m limestone interval at section TD.

Casing shoe to be set 10m into a claystone below base limestone interval marker. 

UCS 4500-6500psi with minor stringers as high as 14-20,000psi UCS.

Why, How, what, where, evidence do we have from around the world to show and tell how to best drill this section.



1 Answer(s)

Posted by

Peter Aird

Peter Aird

Drilling Specialist/Well Engineer/Training Consultant

Kingdom Drilling

Discussions: 107

Replies: 396

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