Description
Caustic Potash is high purity potassium hydroxide (KOH).

Typical Properties
Appearance: White flakes or pallets
Specific Gravitiy: 2.04-2.13
pH: 13

Features and Benefits
Contributes to inhibition of water sensitive shale formations.

Removes calcium and magnesium contaminants as hydroxides in water-base drilling fluids.

Activates and solubilizes the organic deflocculants such as lignite and lignosulfonate (Kar-Cfl)

Controls the pH and alkalinity properties of water-base drilling fluids to treat carbon dioxide contamination.

Reduces corrosion rate by maintaining high pH

Application
Caustic Potash is used to control pH and alkalinity in all water-base drilling fluids particularly in potassium-base inhibitive systems. Caustic Potash also provides potassium ions to inhibitive potassium-base drilling fluids.

Limitations
Caustic Potash is incompatible with high hardness brines such as calcium chloride and magnesium chloride.

Caustic Potash is a corrosive material and should be used with extreme caution.

Treatment
Normal treatment levels of Caustic Potash ranges from 0.25 to 4 lb/bbl (0.7 to 11.4 kg/m³) depending on fluid type and chemistry. When the system is treated with Kar-Cfl, one sack of caustic potash is added for every four sacks of Kar-Cfl.

Caustic Potash is not added through the mud hopper. One sack should be added very slowly with careful agitation to 50 gallons of water in the chemical barrel. The solution can then be added slowly to the circulating system over a complete circulation.

Packaging
Caustic Potash is supplied in 25 kg (55 lb) moisture-proof, multi-wall paper sacks.