Dr. David S. has over than 20 years of experience. Dr. David has an balanced extensive industrial and research experience. Dr. David consulted many naturally fractured reservoir al over the world. Dr. David headed the Naturally Fractured Reservoir Characterization/Engineering department for 7 years. He has been involved in an extensive reservoir characterization effort in the naturally fractured Spraberry Trend Area which has involved geological, petrophysical, logging interpretation, coreflooding and simulation studies.