Global Proppant Market By Type (Frac Sand Proppant, Resin-Coated Proppant, And Ceramic Proppant), By Application (Coal Bed Methane, Shale Gas, Tight Gas, Other Applications, Shale Oil, Lng, And Tight Oil), By Region And Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends And Forecast 2019-2028