Dec P5 img 2 Gillian FelixFeb 15, 2023Feb 15, 2023 . Massive frac-pumping equipment in a modern Marcellus shale project. Source: Universal Pumping Services. Discover more from Ian Dexter Palmer Ph.D Subscribe to get the latest posts sent to your email. Subscribe <span class="nav-subtitle screen-reader-text">Page</span> Previous PostDec P5 img 2 CommentCancel reply This site uses Akismet to reduce spam. Learn how your comment data is processed. We use cookies to improve your experience on our website Accept Decline