W. ZACK WARREN
	Reservoir Engineer
	B.S. in Mechanical Engineering, The University of Texas at Austin, 2003. Zack joined NSAI in 2008 after working on projects in the North Caspian and Africa with ExxonMobil's Development Company and Upstream Research Company. His experience is primarily focused on simulation/field studies, including depletion planning, reservoir characterization, and reserves assessment. His simulation background includes dual-porosity and compositional models, history-matching, waterfloods, miscible gas injection, and complex well/facility constraints.
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