Apache reveals its latest assessment of Alpine High and provides an update on the play's well performance and commerciality. They have now identified 5 000 risked well locations across the wet gas dry gas and oil windows. Elsewhere in the Permian Diamondback seeks expansion as it increases its bid for Breitburn Energy's Midland Basin properties. We also highlight some recent noteworthy wells in the Midland Basin. In the Bakken the newly completed Dakota Access Pipeline has tightened oil price differentials providing a boost to the play's economics.