First shows the different shale positions . http://seekingalpha.com/article/535701-the-permian-basin-oil-play-unleashed?source=feed

This one discusses LVL.v specifically . http://seekingalpha.com/article/535681-my-top-junior-oil-stock-in-the-permian-basin-tight-oil-play?source=feed

Nice balance view and just a ? of when .