Netherland, Sewell & Associates, Inc. (NSAI) is a worldwide leader of petroleum property analysis to industry and financial organizations and government agencies. We deliver high quality, fully integrated engineering, operational, geological, geophysical, petrophysical, and economic solutions for all facets of the upstream energy industry. • Offices in Dallas and Houston, Texas • 60+ Engineers, Geologists, Geophysicists, and Petrophysicists • 75+ Engineering and Geology Analysts • Expertise in most producing basins worldwide • Well known within the oil & gas and financial communities • The #1 choice for SEC reserves reporting • Focused on client relationships and service