NW PA Sees Signs of Increased Shale Gas Drilling Beaver County | Industrywide Issues | Lawrence County | Pennsylvania | Seismic Testing October 25, 2012October 25, 2012 Drilling in the Utica and Marcellus Shale in northwestern Pennsylvania is picking up. One strong indicator of that is the very active program of seismic testing now happening along roadways in Lawrence and Beaver counties: Please Login to view this content. (Not a member? Join Today!) Related