From the Oilfield Tailgate interview archive: Matthew Hill meets William Hagan of Stratagraph at the AAPG conference in Tulsa, Oklahoma. They discuss the family business, mud logging, geosteering, cuttings and gas analysis, and how formation samples support geological interpretation while drilling.This historical interview was originally published on the Oilfield Tailgate YouTube channel on December 15, 2021. Roles, company information and comments reflect the time of the interview.Watch the original video: https://www.youtube.com/watch?v=Prj42Go54RgExplore more conversations and connect with Oilfield Tailgate: https://oilfieldtailgate.com