Netherland, Sewell & Associates, Inc. (NSAI) is a worldwide leader of petroleum property analysis to industry and financial organizations and government agencies. Located in Houston, TX we deliver high quality, fully integrated engineering, operational, geological, geophysical, petrophysical, and economic solutions for all facets of the upstream energy industry.
If you are looking for a midstream consultant, petroleum consultant, or even an unconventional resource evaluation, NSAI is here to help.