U.S. shale operators have spent the third quarter and much of 2017 securing collecting contiguous borders with deals requiring little or no cash. What's behind this bartering trend? Meanwhile, Devon Energy CEO Dave Hager says the company is looking to sell billions of dollars of assets to reorient itself toward higher returns for shareholders. Finally, how has A&D math changed? More on these stories in this week's Oil and Gas Investor Headlines with Jessica Morales.