Scale Dissolving Chemical (Calcium Carbonate/Barium Sulfate Remover)
Specialty acid-chelant blend formulated for dissolving CaCO3, FeS, and mixed mineral scales from production tubing, perforations, and ESP pump stages. Based on a HEDP/DTPA formulation effective across pH 2–7, this scale dissolver provides aggressive mineral dissolution without the corrosive drawbacks of strong mineral acids. Fully compatible with steel and chrome tubulars.
Especificaciones Técnicas
| Active System | HEDP/DTPA acid-chelant blend |
| Target Scales | CaCO3, FeS, mixed mineral scales |
| Effective pH Range | 2–7 |
| Tubular Compatibility | Carbon steel, chrome tubulars (13Cr, 22Cr) |
Aplicaciones
- Production tubing descaling
- Perforation cleanup and stimulation
- ESP pump stage scale removal
- Wellbore scale squeeze treatments
- Surface flowline and heat exchanger descaling
Características Principales
- Scale Dissolving Chemical uses an HEDP/DTPA chelant system to dissolve CaCO3 and FeS scales without damaging tubulars
- Effective across pH 2–7, providing flexibility for both acid-wash and chelant-soak treatment designs
- Targets mixed mineral scales including CaCO3, FeS, and co-precipitated inorganic deposits
- Compatible with chrome and carbon steel tubulars, reducing corrosion risk versus straight HCl treatments
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