ALKALINITY AND HARDNESS CONTROL CONTRIBUTIONS+

NAME

TECHNICAL NAME

FUNCTION

TECHNICAL SPECIFICATIONS

CAUSTIC POTASH

Potassium Hydroxide

Alkalinity Control

CAUSTIC POTASH is high purity potassium hydroxide (KOH). CAUSTIC POTASH contributes to inhibition of water sensitive shale formations. CAUSTIC POTASH removes calcium and magnesium contaminants as hydroxides in water-base drilling fluids. CAUSTIC POTASH activates and solubilizes the organic deflocculants such as lignite and lignosulfonate (KAR-CFL). CAUSTIC POTASH controls the pH and alkalinity properties of water-base drilling fluids to treat carbon dioxide contamination. CAUSTIC POTASH reduces corrosion rate by maintaining high pH.

CAUSTIC SODA

Sodium hydroxide

Alkalinity Control

CAUSTIC SODA is a high purity sodium hydroxide (NaOH). CAUSTIC SODA is a cost effective chemical to remove magnesium as insoluble hydroxide from sea water when used as make-up water. CAUSTIC SODA activates and solubilizes the organic dispersants such as lignite and lignosulfonate (KAR-CFL). CAUSTIC SODA controls the pH and alkalinity properties of water-base drilling fluids to treat carbon dioxide contamination. CAUSTIC SODA reduces corrosion rate by maintaining high pH.

CITRIC ACID

Citric Acid

Calcium & pH Control

CITRIC ACID (C6H8O7) is a weak organic acid. CITRIC ACID reduces pH and removes soluble calcium ions by the reaction

PLASTER

Calcium Sulphate

Calcium Source

LIME is a high-purity calcium hydroxide having the chemical formula Ca(OH)2. LIME is a common and an inexpensive source of soluble calcium for lime-base drilling fluids. LIME is very effective in removing bicarbonate and carbonate contaminations from water-base drilling fluids. LIME increases viscosities and gel strength of (spud mud) for better hole cleaning. This is particularly an important issue in top hole drilling. LIME activates fatty acid based primary emulsifiers in oil based drilling fluids by converting them to calcium soap emulsifier in situ. LIME reduces corrosion rate by maintaining high pH.

LIME

Calcium Hydroxide

Calcium Sulphate & Alkalinity Control

LIME is a high-purity calcium hydroxide having the chemical formula Ca(OH)2. LIME is a common and an inexpensive source of soluble calcium for lime-base drilling fluids. LIME is very effective in removing bicarbonate and carbonate contaminations from water-base drilling fluids. LIME increases viscosities and gel strength of (spud mud) for better hole cleaning. This is particularly an important issue in top hole drilling. LIME activates fatty acid based primary emulsifiers in oil based drilling fluids by converting them to calcium soap emulsifier in situ. LIME reduces corrosion rate by maintaining high pH.

SODA ASH

Sodium Carbonate

Calcium Remover

SODA ASH is a high-purity sodium carbonate (Na2CO3).
SODA ASH is a cost effective product to precipitate soluble calcium ions as insoluble carbonates in water-base drilling fluids.
SODA ASH maximizes the performance of bentonite and polymeric additives such as KAR-PHPA RD and KAR-PHPA L.

SODIUM BICARBONATE

Sodium Bicarbonate

Calcium Remover

SODIUM BICARBONATE (NaHCO3) is used primarily to treat cement contaminated water-base drilling fluids.
SODIUM BICARBONATE effectively reduces soluble calcium ions and pH in cement contaminated water- base drilling fluids.
SODIUM BICARBONATE is a cost effective chemical for control of cement contaminated drilling fluids.

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