Now things get interesting., page-71

No o-w … It was pretty clearly stated during announcements the different frac numbers.. No doubts about that.
.... There was something about T2 - I can't remember exactly what, "related to" some zone "not being accessible" or something (I could have this description completely wrong) and I'm wondering if they chose to do 4 (and not 5) at T2 for this reason. Dunno, academic now anyway I suppose. But as you say, considerably more proppant etc used at T3 in the fracs.

Kip