Netherland, Sewell & Associates, Inc. (NSAI), founded in 1961, is a worldwide leader in providing petroleum property analysis to the industry, financial organizations, and governmental agencies. NSAI specializes in studies encompassing geology, geophysics, petrophysics, engineering, and economic analysis.

NSAI provides a complete range of services to the worldwide petroleum industry including reserves reports and audits, acquisition divestiture and midstream evaluations, simulation studies, exploration resources assessments, equity determinations, and project finance certifications. NSAI has the technical experience and ability to provide these services for all oil and gas producing basins in the world.

Although technologies and methodologies have changed over time and will continue to evolve, NSAI recognizes that professional expertise, sound judgment, integrity, and top quality service are always valued.


2100 Ross Avenue
Suite 2200
Dallas, Texas
Tel: 001 214 969 5401

Netherland, Sewell & Associates, Inc. Involvement with the Council


Come and meet Netherland, Sewell & Associates at APAC Assembly