Defoamer PFD-20 is designed for use in the petroleum and gas industry, in the processes of well construction and workover, with the purpose of preventing foaming of process liquids.
PFD-20 is most effective in clay muds, polymer clay muds, inhibiting drilling muds as additive to process fluids of well perforation, killing, conservation and casing jobs. It is compatible with all reagents used for chemical treatment of cement slurries.
*Property shall be measured on the Customer’s demand
Defoamer PFD-20 is dosed into cement slurry to prevent or eliminate the foaming processes, in concentration of 0.005% to 0.2% (from 0.05 kg/m3 to 2 kg/m3).