Is the Permian’s original value proposition coming true? Thousands of feet of productive strata and zone upon zone of development opportunity was the basin’s original selling point to investors. A pivot to deeper and secondary benches is well underway now. And some of the more radical Permian M&A moves in the past six months include exposure to deeper opportunities. This Insight presents our analysis of Wolfcamp D, Woodford and Barnett well performance. How do type curves for the growing population of secondary zone targets look compared to Wolfcamp A wells? Who’s been most active? What does our breakeven analysis reveal? What are the biggest risks to inventory growth? And what will unfold in deeper zone valuation over the coming years?