Product Detail Description
White Sulphonated Asphalt is an advanced, environmentally compliant filtration control agent engineered through specialized water-melt synthesis of high-purity fatty alcohol resins. This innovative White Sulphonated Asphalt exhibits unique amphiphilic properties, demonstrating partial solubility in both aqueous and oleaginous phases, which enables it to function as a high-performance alternative to conventional sulphonated asphalt products. The material undergoes precise sulfonation to achieve optimal molecular characteristics for effective wellbore stabilization and filtration control.
The mechanism of this White Sulphonated Asphalt involves the formation of stable emulsions with water and clay particles, generating flexible micro-aggregates that mechanically seal microfractures and pore throats in permeable formations. This dual physical-chemical action creates a thin, impermeable filter cake that significantly reduces fluid invasion while providing exceptional shale stabilization through pore pressure transmission control.
Applications/Functions
Provides enhanced filtration control as an advanced alternative to conventional sulphonated asphalt
Significantly improves mudcake quality by reducing filter cake permeability
Functions as an effective shale stabilizer through pore blocking and chemical inhibition
Prevents formation collapse in structurally compromised zones
Substantially increases drilling fluid lubricity coefficient
Advantages
Maintains thermal stability up to 325°F (163°C) in typical drilling environments
Controlled hydrophile-lipophile balance enables optimal performance in various fluid systems
Non-fluorescent characteristics prevent interference with geological analysis
Exhibits rapid dispersion kinetics in both water-based and oil-based drilling fluids
Environmentally friendly profile reduces ecological impact compared to traditional alternatives
Typical Properties
Appearance: White to light yellow powder
pH (1% aqueous suspension): 7-10
Bulk Density: 0.45-0.65 g/cm³
Moisture Content: ≤8%
Recommended Treatment
Standard treatment range: 2-6 pounds per barrel (ppb)
Pre-hydration recommended for optimal dispersion efficiency
Dosage adjustment required based on formation permeability and bottom hole temperature
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