Viscosity increasing and fluid loss reducing agent Polyanion Cellulose – High Viscosity (HV-PAC) API certified wellbore stabilizer Customized drilling chemical solutions

‌1.Product Overview

HV-PAC is a water-soluble cellulose ether derivative primarily used as a viscosity enhancer and filtrate reducer in freshwater or saltwater drilling fluids. It appears as a white or pale yellow powder.

‌Phone‌: +86  010-56674877   +86 17326821931  (TEL )
Whatsapp:   17326821931  Wechat: 13716268431

2.Functions and Characteristics

‌Product Features and Advantages‌

1. ‌High Viscosity‌: Enhances the fluid’s ability to suspend solids, improve cut point, and reduce fluid loss, ensuring stable drilling fluid properties ‌.
2. ‌Temperature Resistance‌: Demonstrates excellent thermal stability, with an operating temperature range up to ‌140°C‌, making it suitable for high-temperature drilling environments ‌.
3. ‌Salt Tolerance‌: Exhibits strong resistance to salt contamination, ensuring consistent performance in saline drilling environments ‌.
4. ‌Effective Filtrate Reduction‌: Significantly reduces the loss of filtrate, improving the quality of the mud cake and preventing wellbore instability ‌.
5. ‌Versatility‌: Compatible with a wide range of drilling fluid systems, including freshwater, saltwater, and composite saltwater ‌.

3.Technical Specifications

‌Application Scope‌

Widely applicable in freshwater and saltwater drilling fluid systems.

‌Recommended Dosage‌

1. ‌Freshwater Drilling Fluids‌:1% to 0.6% by weight ‌.
2. Ideal for enhancing viscosity and reducing filtrate loss in freshwater environments ‌. 
3. ‌Saltwater Drilling Fluids‌: 0% to 2.0% by weight ‌.Suitable for high-salinity environments, including marine and composite saltwater systems ‌.
4. ‌High-Temperature Wells‌: Effective in maintaining fluid properties under extreme thermal conditions ‌.

‌Adjustments‌: The actual dosage may vary depending on the specific drilling conditions and environmental factors ‌.Optimal dosage should be determined based on specific well conditions and drilling parameter

4.Packaging & Storage‌‌

‌Packaging‌: 25 kg triple-layer kraft bags

‌Storage Conditions‌:

Keep dry and protect from direct sunlight and moisture.

Temperature: 10–30°C (avoid thermal cycling).

Humidity: ≤65% RH (critical for anti-caking).

Ventilation: Well-ventilated area, isolated from oxidizers.

‌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.