This is evolving in the RRC based on the Octopus horizontal well technology developments and field testing. You mentioned the Hoef T-K formation (that’s on the Hoef ranch north of IH-10 at exit 222, isn’t it?).
As I recall, that is a combination of the Bone Springs formation and the Wolfcamp formation… what used to be separated in my youth in the oilfield. In the western edge of the Permian Basin bounded by the Pecos river, we had 17 producing formations that were distinct from one another. Now, this stacked shale play of the Delaware basin bounded on the East by the Pecos river and on the west by the Guadalupe mountains in Hudspeth County… necessitates they join several formations into a general name like WolfBone formation. It makes it confusing for an old oilfield dog like me. I’ll leave that mess to the ‘whippersnappers’ and just talk about what I learned about the Delaware basin 40 years ago… it’s mostly still valid.
near Verhalen