Shaleshock.org. What is different about the Marcellus?
There has been gas drilling in NYS for over 100 years in conventional gas plays. But a new drilling process, called “high-volume hydraulic fracturing,” has made the huge natural gas reserve in the Marcellus Shale recoverable. Drilling will most often be done horizontally in the Marcellus Shale. Extent of Formation Unlike other gas formations, the Marcellus is vast and continuous. Drilling Down Series - Natural Gas. Gas Drilling: The Story So Far. Gasland: A film by Josh Fox.