Unconventional development has made it clear to Erdal Ozkan that conventional theory overlooks a lot of potentially productive rock. He talks about looking for ways to do better as part of JPT’s tech director report. The industry has figured out how much opportunity lies in the Permian Basin’s Delaware subbasin, and the Delaware play is now dominating US unconventional oil activity, Citigroup’s Jeff Sieler told the SPE Gulf Coast Section reservoir group recently. Unconventional Resources: Will Shale Oil Ever Make Money? This well-established oilfield consultancy explains why 2020 might be a big year for the unconventional sector.