Ultrasonic gas leak detectors have been on the market for more than a decade now but the technology was used even before then. The national gas producer and operator NAM (Nederlandse Aardolie Maatschappij) in Holland, partly owned by Shell, was the first company to install an ultrasonic (acoustic) gas leak detector. Today, the technology is being included in most oil and gas projects around the world with pressurized gas. Installations for acoustic gas leak detectors include locations in USA, Europe, Far East and Central Asia, Middle East, Australia, Russia and the Caspian. Click here to read more about the GASSONIC HISTORY.