Product Detail Description
Modified Starch Filtration Control Additive is a specially engineered product designed for use in drilling, completion, and workover fluids operating in temperature environments up to 300°F (149°C). This advanced modified starch filtration control additive undergoes proprietary molecular restructuring to enhance its performance characteristics, making it particularly effective for reservoir applications where minimizing formation damage is critical.
Through its optimized molecular design, this modified starch filtration control additive effectively generates low shear rate viscosity (LSRV) in fluids containing xanthan gum biopolymer, creating a synergistic polymer combination that delivers exceptional static suspension properties and highly pseudoplastic behavior under dynamic downhole conditions. The chemical modification process introduces stable functional groups that enhance thermal stability and salt tolerance while maintaining the environmentally friendly characteristics of native starch.
The filtration control mechanism operates through several simultaneous actions: the polymer chains hydrate to form a colloidal solution that plugs microscopic pores in the filter cake, while the viscosity-building properties reduce fluid invasion rates into permeable formations. This dual-action approach ensures rapid filter cake building with low permeability, resulting in minimal filtrate volume and thin, tough filter cakes that are easily removed during production.
Applications/Functions
Enhances fluid loss control in drilling, completion, and workover operations
Reduces formation damage through optimized filter cake properties
Generates low shear rate viscosity in xanthan gum-based fluid systems
Improves static suspension characteristics and dynamic fluid behavior
Provides effective reservoir protection during well construction operations
Advantages
Maintains thermal stability up to 300°F (149°C)
Compatible with all water-based fluids including freshwater, seawater, and various brine systems
Resistant to calcium contamination across broad pH ranges
Features acid-soluble properties for easy post-operation removal
Exhibits eco-friendly characteristics and non-toxic formulation
Requires no biocide treatment due to inherent stability
Typical Properties
Appearance: White, free-flowing powder
Specific Gravity: 1.5
Bulk Density: 0.6-0.8 g/cm³
pH (1% solution): 6.0-8.0
Recommended Dosage
Typical treatment range: 3-9 pounds per barrel
Optimal dosage varies based on temperature and salinity conditions
Pre-hydration recommended for maximum efficiency in high-density fluids
