PAC HV Supplier from Turkey
RAHA Gilsonite Co. is a trusted supplier of PAC HV (Polyanionic Cellulose High Viscosity) sourced from Turkey, serving oil & gas drilling companies across the Middle East, Central Asia, and global markets. Our PAC HV meets international API and ISO standards, ensuring consistent performance in demanding drilling fluid applications.
What is PAC HV (Polyanionic Cellulose High Viscosity)?
PAC HV is a high-viscosity grade of Polyanionic Cellulose (PAC), a water-soluble, anionic polymer derived from cellulose through carboxymethylation. It is one of the most widely used polymers in the oil and gas drilling industry, specifically formulated for viscosity enhancement and rheology control in water-based drilling fluids (WBM).
Compared to PAC LV (Low Viscosity), PAC HV produces a significantly higher viscosity at lower concentrations, making it highly effective for hole cleaning, suspension of drill cuttings, and fluid loss prevention in medium to high-permeability formations.
Chemical and Physical Properties of PAC HV
| Property | Specification |
|---|---|
| Chemical Name | Polyanionic Cellulose (High Viscosity) |
| Appearance | White to off-white free-flowing powder |
| Degree of Substitution (DS) | ≥ 0.85 |
| Viscosity (1% solution, Brookfield) | ≥ 600 mPa·s (cP) |
| Moisture Content (max.) | ≤ 10% |
| pH (1% solution) | 6.5 – 8.5 |
| Purity (PAC Content, min.) | ≥ 85% |
| Particle Size | 95% passing 60 mesh |
| NaCl Content (max.) | ≤ 10% |
| Packaging | 25 kg kraft paper bags / Jumbo bags |
Functions of PAC HV in Drilling Fluids
PAC HV performs multiple critical functions in water-based mud systems:
1. Viscosity Enhancement PAC HV significantly increases the viscosity of drilling fluids at low concentrations, improving the fluid’s ability to carry drill cuttings from the bottom of the well to the surface.
2. Rheology Control It provides excellent shear-thinning (pseudoplastic) behavior — high viscosity at low shear rates (for suspension) and low viscosity at high shear rates (for pumping efficiency).
3. Fluid Loss Control PAC HV forms a thin, flexible filter cake on the wellbore wall, reducing filtration and preventing formation damage.
4. Shale Inhibition The anionic polymer adsorbs onto clay surfaces, reducing clay hydration and dispersion in reactive shale formations.
5. Thermal Stability PAC HV maintains its performance at elevated temperatures, making it suitable for medium-depth wells and moderately high-temperature formations.
Applications
PAC HV is applied in the following drilling scenarios:
- Top-hole drilling sections with unconsolidated formations requiring high viscosity
- Large diameter boreholes where significant hole cleaning capacity is needed
- Shallow to medium-depth wells where temperature conditions are within the polymer’s stability range
- KCL/Polymer mud systems in combination with PAC LV, PHPA, and Xanthan Gum
- Horizontal and directional wells requiring effective cuttings transport in deviated sections
- Workover and completion fluids where formation damage prevention is critical
PAC HV vs PAC LV — Key Differences
| Parameter | PAC HV | PAC LV |
|---|---|---|
| Viscosity Grade | High | Low |
| Primary Function | Viscosity builder | Fluid loss control |
| Typical Concentration | 0.5 – 2.0 lb/bbl | 1.0 – 4.0 lb/bbl |
| Filter Cake Quality | Good | Excellent |
| Hole Cleaning Capacity | Excellent | Moderate |
| Use in Combination | With PAC LV for balanced system | With PAC HV for balanced system |
In practice, PAC HV and PAC LV are often used together to achieve both optimal viscosity and filtration control in a single mud system.
Recommended Treating Concentrations
| Application | PAC HV Concentration |
|---|---|
| Viscosity building (freshwater) | 0.5 – 1.0 lb/bbl |
| Standard WBM system | 1.0 – 2.0 lb/bbl |
| High hole cleaning requirement | 2.0 – 3.0 lb/bbl |
| Saltwater / KCL systems | 1.0 – 2.5 lb/bbl |
Note: Exact concentrations should be determined by laboratory testing and adjusted based on formation characteristics, mud weight, and temperature.
Why Source PAC HV from Turkey?
Turkey has emerged as a significant producer and exporter of high-quality PAC products for the oil and gas industry. Turkish-manufactured PAC HV offers several competitive advantages:
- Consistent Quality: Manufactured under strict API and ISO quality control protocols
- Competitive Pricing: Cost-effective compared to Western European and North American sources
- Strategic Location: Proximity to Middle Eastern, Central Asian, and Eastern European markets reduces lead times and logistics costs
- Export Infrastructure: Well-established shipping routes through Turkish ports (Mersin, Ambarlı) to global destinations
- Regulatory Compliance: Products meet international environmental and safety standards
Quality Standards and Certifications
Our PAC HV is supplied in compliance with the following international standards:
- API 13A — Specification for Drilling Fluid Materials
- ISO 13500 — Petroleum and Natural Gas Industries: Drilling Fluid Materials
- OCMA Standard — Oil Companies Materials Association specification for PAC
Each shipment is accompanied by a Certificate of Analysis (CoA) covering all key physical and chemical parameters.
Packaging and Shipping
| Specification | Detail |
|---|---|
| Standard Packaging | 25 kg multi-layer kraft paper bags |
| Bulk Option | 1,000 kg jumbo bags (big bags) |
| Pallet Configuration | 40 bags per pallet (1,000 kg/pallet) |
| Container Load (25 kg bags) | 20 MT per 20′ FCL |
| Origin | Turkey |
| Lead Time | 2 – 4 weeks (subject to stock availability) |
| Available Ports | Mersin, Ambarlı (Istanbul), Izmir |
Related Drilling Fluid Additives
As a full-service drilling fluid supplier, RAHA Gilsonite Co. also supplies:
- PAC LV (Polyanionic Cellulose Low Viscosity)
- CMC (Carboxymethyl Cellulose)
- KCL (Potassium Chloride)
- Bentonite
- Xanthan Gum (XC Polymer)
