CMC-HV is Carboxy Methyl Cellulose of high viscosity. It is used as fluid-loss controller and viscosifier for water-based drilling fluids.
PHYSICAL & CHEMICAL PROPERTIES
|Appearance||Granular white powder|
|pH||6.5 - 10.5 (2% aqueous solution)|
|Bulk Density||450 kg/m3|
|Boiling Point||Decomposes above 250°C|
|Solubility||Soluble in water|
- Decrease filtration rate and filter cake thickness in fresh or brackish water-based drilling fluids.
- Increase viscosity of fresh or brackish water-based drilling fluids.
- Promote hole stability in water-sensitive formations.
Treatments are freshwater and seawater fluids 0.5 - 4.0 lb /bbl. Depending on type of fluid solids content and temperature profile of the well.
CMC-HV is available in 25 kg multi-ply paper sacks, palletized as 40 sacks per pallet.
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