SJN is a polymer-based, high-temperature-resistant drilling fluid additive engineered to optimize rheological properties in water-based, oil-based, and brine systems. Utilizing advanced sulfonated copolymer technology, it effectively reduces viscosity (≥80% reduction at 25°C).
SJN is a high-efficiency drilling fluid diluent formulated from a blend of anionic and cationic monomers, among other organic substances, through copolymerization and condensation reactions. It appears as a white, free-flowing powder and is designed to optimize drilling fluid performance.
Primary Functions
（1）Viscosity Reduction
Lowers dial readings by ≥70% in high-solid-content mud systems (MBT ≤25 lb/bbl).
（2）Shale Inhibition
Reduces clay swelling by ≥35% via cationic adsorption.
（3）Lubricity Enhancement
Decreases friction coefficient in directional wells.
Technical Specifications
Application Scope
SJN is suitable for use in freshwater, saltwater, and seawater drilling fluid systems, catering to a wide range of drilling conditions.
Recommended Dosage
Technical Specifications
Application Scope The high-temperature-resistant diluent is suitable for fresh water, salt water and seawater drilling fluid systems.
Recommended Dosage u For formations with low salinity or slight salt contamination, the dosage is 0.3% to 1.0%. u For formations with high salinity or severe salt contamination, the dosage is 0.5% to 1.5%.
It is advisable to conduct laboratory tests or field trials to determine the optimal dosage for specific drilling operations.
Packaging: 25 kg triple-layer kraft bags
Storage Conditions:
Keep dry and protect from direct sunlight and moisture.
Validity Period: 24 months from production date (see batch code for details).
Additional Details：
Versatile Application: The product adaptability allows it to be tailored for different drilling scenarios, ensuring optimal performance and cost-effectiveness.
Disclaimer: The above information is provided for reference only. Actual performance may vary based on specific drilling conditions and operational practices. Please consult with technical experts for detailed application guidance.
