Potassium Hydroxidehave strong alkali and corrosive commonly known as caustic potash. Potassium hydroxide is used in place of caustic soda to control the alkalinity of potassium-base muds, or where potassium ions are preferred as a shale inhibitor over the sodium ion. Potassium hydroxide is a corrosive material and should be used with extreme caution. It should not be mixed through the mud hopper but should be dissolved in water in a chemical barrel. One sack should be added very slowly with careful agitation to the fluid. The solution can then be added to the mud system.
Applications/Functions
Used to increase the pH in place of caustic soda in potassium-base muds
Replaces the sodium hydroxide because the potassium ion has strong inhibition than sodium ion as a shale inhibitor
Advantages
Provides potassium ion as a shale inhibitor
Controls the pH and alkalinity properties of drilling fluids
Typical Properties
Appearance: White flakes
Solubility in water: Completely
Specific gravity: 1.45
Recommended Treatment
Typical concentrations range from 0.25 to 4.5ppb with treatments depending on type of drilling fluid
Potassium Hydroxide should be added very slowly and notice the PPE requirement
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