Specialty Additives

Citric acid is often incorporated into drilling chemicals and acid formulations. Its function is to prevent the precipitation of gelatinous ferric hydroxide as the acid spends, which is important for corrosion control in drilling fluid systems. As a sequestering agent, citric acid can hold as much as 3000 mg/L of ferric iron in spent acid solutions for more than 4 hours at temperatures above 80°C. Citric acid is one of the most […]

Earth Pro Red Dye is a synthetic iron oxide pigment used to colour cement. Earth Pro Red Dye is a water-dispersible pigment, which can be used as an indicator for determining the pre-flush/cement interface when cementing oilfield casing. Typical application rates range from 1-2 water-soluble bags per cubic meter of pre-flush. Since the product is […]