Global Oilfield Specialty Chemical Market By Chemical Type, By End User Type (2018 Edition): Forecast to 2022 -- By Chemical Type (Corrosion Inhibitors, Demulsifiers, Viscosifiers, Friction Reducers, Rheology modifiers, Biocides, Dispersants), By End User Type (Drilling Fluid, Well stimulation, Production Chemicals, Cementing, EOR)