Learn about the First Down Hydro-Firing Head Watch animation of the SINGLE STAGE 1 Hydro-Firing Head in action Watch animation of the DUAL STAGE 2 Hydro-Firing Head in action Watch the First Down Oil Services Hydro Firing Head Tool Assembly Learn about the Hydro Firing Head Audio Detection System Ready to take the next step? Click one of the options below. Learn more about our Hydro-Firing Head? Hire us for P&A using the Hydro-Firing Head? Questions? Call 504.920.0093 or contact us.