Rick Lewis is Petrophysics Technical Manager, Shale Gas for Schlumberger Oilfield Services. Rick was a developer of the gas shale evaluation workflow that was initially fielded eight years ago and has been applied to well more than 1000 wells in North America. In his current position, Rick manages a group responsible for the continual improvement for this workflow, and for its introduction and application to the international market. He is also the interface to the Schlumberger research and engineering groups for the development of evaluation technologies for organic shales. Prior to this assignment, Rick was responsible for wireline interpretation development for the central and eastern United States. He is located in Frisco, Texas. Rick has also worked for Shell Oil and the U.S. Geological Survey. He received a BS degree from UCLA and MS and PhD degrees from Cal Tech, all in geology.