Chevron to Drill in Fayette County, PA – Seismic Testing First Chevron | Energy Companies | Fayette County | Industrywide Issues | Pennsylvania | Seismic Testing May 10, 2013May 11, 2013 Seismic testing is coming very soon “across Fayette County [PA]” by a company hired by Chevron as they prepare to drill. Please Login to view this content. (Not a member? Join Today!) Related