Marcellus Shale Formation
Julia Schmalz/Bloomberg
Water and sand are mixed and then pumped through the tubes at pressures over 6,600 psi into the well during fracture stimulation (fracking) at the Marcellus Shale formation in Camptown, Pennsylvania.
Water and sand are mixed and then pumped through the tubes at pressures over 6,600 psi into the well during fracture stimulation (fracking) at the Marcellus Shale formation in Camptown, Pennsylvania.