Global Oilfield Chemicals And Surfactants Market By Type (Anionic Oilfield Chemicals and Surfactants, Non-Ionic Oilfield Chemicals and Surfactants, Cationic Oilfield Chemicals and Surfactants, Amphoteric Oilfield Chemicals and Surfactants, and Others), By Application (Metal Treatment, Industrial Cleaning, and Oil Exploitation), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029