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.