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Austin Team

Shane Sheftall, Geologist/Frac Sand Laboratory Manager

Alejandro Gonzalez, Petroleum Engineer/Asst. Laboratory Manager

Raquel Foti, Sr. Technical Analyst

Dawn Smyth, Vice President of Administration

Connie Astrachan, Technology Manager

Sharida McKenzie, Controller

Lori Scott, Financial Analyst

Sovathna Phan, Staff Accountant

Tessa Blackman, Assistant Accountant

Maria L. Rivas, Administrative Assistant

Houston Team

Denver Team

Wichita Team

Justin Duckworth, Senior Field Operations Supervisor

Dale Dressel, Senior Field Operations Supervisor

Bennie O'Neal, Senior Field Operations Supervisor

Baton Rouge Team



Calgary Team

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