# Bio-based drilling fluids

Biopolymers & materials — Bio-based drilling-fluid additives — fermentation-derived xanthan and scleroglucan thickeners, cellulosic CMC/PAC and modified starch for fluid-loss control, plus vegetable-ester base oils,

Source: https://en.bioecon.ru/market/biopolymers-materials/bio-based-drilling-fluids/