In this episode, Trisha and Ethan review oil and gas market activity, the case for $100 oil, Trisha's recent field trip to Midland, Texas, and the Liberty Oilfield Services (LBRT) investor day. The podcast covers the evolution of well economics as sand move from outside the basin to in-basin and now looks to be heading to local sand mining. At Liberty, "Happy Valley" economic evaluation of proppant and lateral length help solve for optimal well recoveries.