WILLIAM D. (BILL) HOLMES has over 35 years of Petroleum Engineering and Operations experience with Marathon Oil Company and as a consultant. During this time he has participated in a number of leading edge technology projects around the world. He is proficient in artificial lift selection and design as well as Nodal analysis. His experience includes gas well deliquification, inflow performance analysis and field production optimization. Well failure analysis, well completions, wireline operations and polymer water shut off treatments are also within his skillset. Bill has served on the steering committees for the Gas Well Deliquification Workshop as well as the Rod Pump Workshop. He has a B.S. in petroleum engineering from Texas Tech University.