PAC-HV — Viscosity & HPHT mud

Description

1. Product Overview

PAC-HV (High-Viscosity Polyanionic Cellulose) is a premium-grade, water-soluble polymer engineered for high-performance drilling fluid systems. It is primarily used to control rheology and fluid loss in water-based muds (WBM) under high-temperature, high-pressure (HPHT) wellbore conditions. The key value proposition is its exceptional thermal stability up to 150°C (302°F) combined with superior solids suspension and low fluid-loss control, directly reducing non-productive time (NPT) and lowering total well construction cost. Strategically, as global drilling moves into deeper, hotter reservoirs, PAC-HV is not an additive—it is a critical enabler of well integrity and operational efficiency.

2. Key Specifications & Technical Characteristics

• Chemical Composition: High-purity Polyanionic Cellulose (sodium carboxymethyl cellulose, high-viscosity grade)

• Purity Level: Active content ≥ 92% (dry basis); ≤ 8% moisture & trace salts

• Physical Form: Free-flowing, fine white to off-white powder

• Particle Size: 100% < 600 µm; ≥ 95% through 250 µm for rapid hydration

• Bulk Density: 500–650 kg/m³ (tapped)

• Degree of Substitution (DS): 0.85–1.05 (optimized for salt tolerance and thermal stability)

• Viscosity (1% solution in fresh water, 25°C): ≥ 1,500 cP (Brookfield LV, spindle 4 @ 6 rpm)

• Fluid Loss Control (API, 30 min): ≤ 12 ml (1% w/w in 6% bentonite slurry)

• HPHT Performance (150°C / 300 psi): Retains ≥ 80% of original viscosity after 16 hr hot rolling

• Packaging Options: 25 kg multi-wall kraft bags with PE liner; 1,000 kg FIBC (big bags); heat-shrink pallets (48 bags/pallet)

• Shelf Life: 24 months in original unopened packaging, stored in dry, cool conditions (< 40°C)

3. Core Industrial Applications

• Primary Industries: Onshore & offshore oil and gas drilling; geothermal well drilling; deepwater HPHT exploration

• Operational Use Cases:

  • HPHT wells: Maintains rheology and reduces filtrate invasion into pay zones at > 130°C

  • Salt-saturated mud systems: Performs effectively in NaCl, KCl, and seawater-based fluids where standard CMC fails

  • Directional & horizontal drilling: Provides superior cuttings transport and hole cleaning due to high low-shear viscosity

• Performance vs. Alternatives:

  • Outperforms standard CMC (LV/HV) by 3× thermal stability and 2× salt tolerance

  • Reduces dilution rates by 30–40% compared to bentonite-extended systems

  • Minimizes formation damage, preserving well productivity (lower skin factor)

• Cost Advantage: Lower total additive consumption per meter drilled; extends mud life, reducing disposal and replenishment costs

4. Competitive Advantages

• Quality Consistency: ISO 9001:2025 certified manufacturing; each batch tested for viscosity, fluid loss, and HPHT aging; COA provided with every shipment

• Supply Reliability: Dual-sourced raw materials (wood pulp & cotton linters) with 12-month rolling forecast commitment; stock available from regional hubs (Americas, MENA, Asia-Pacific)

• Logistics Capability: Direct container loading from three port-adjacent plants; lead time ≤ 14 days for standard orders, ≤ 5 days for emergency air/sea expediting

• Price Competitiveness: Tier-1 performance at 15–20% lower landed cost than European legacy brands, achieved through integrated manufacturing and optimized ocean freight

• Sustainability: Biodegradable polymer (OECD 301B); no heavy metals or endocrine disruptors; manufacturing uses closed-loop water recycling

• Technical Support: Free mud engineering consultation, on-site training for hydration optimization, and 24-hr lab support for customized mud formulations

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): 20 metric tons (MT) – equivalent to 20 x 1 MT big bags or 800 x 25 kg bags

• Loading Capacity (per 20′ standard container): 20 MT (maximum legal payload)

• Loading Capacity (per 40′ high-cube container): 26 MT (ventilated configuration required for moisture control)

• Lead Time for Bulk (20+ MT): 15 days from signed proforma invoice and deposit

• Incoterms supported: FOB, CFR, CIF, EXW (port-adjacent warehouse)