PHPA Polymer — Shale inhibition

Description

1. Product Overview

PHPA Polymer (Partially Hydrolyzed Polyacrylamide) is a high-performance drilling fluid additive engineered specifically for shale inhibition and wellbore stabilization in oil and gas drilling operations. It functions by encapsulating shale cuttings and reducing clay swelling, thereby maintaining drilling efficiency and minimizing formation damage. The polymer significantly improves drilling fluid rheology, enhances cuttings transport, and reduces torque and drag during drilling. As shale formations become increasingly prevalent in global exploration, PHPA polymers are strategically important for optimizing drilling performance, lowering non-productive time (NPT), and ensuring operational reliability.

2. Key Specifications & Technical Characteristics

• Chemical Composition: Partially Hydrolyzed Polyacrylamide (PHPA)
• Polymer Type: High molecular weight anionic polymer
• Purity / Active Content: Typically 88–92% polymer content
• Physical Form: Fine granular powder or emulsion liquid (depending on grade)
• Color: White to off-white powder / milky liquid (emulsion)
• Particle Size: Uniform fine powder for rapid hydration
• Density: Approx. 0.7–0.9 g/cm³ (powder form)
• Solubility: Fully water-soluble with rapid hydration capability
• Viscosity Contribution: High molecular weight provides superior rheology control
• Packaging Options:
  • 25 kg multi-layer kraft paper bags with PE liner
  • 500–1000 kg jumbo bags
• Shelf Life: Up to 24 months under dry, sealed storage conditions

3. Core Industrial Applications

Oil & Gas Drilling Operations
PHPA polymer is widely used in water-based drilling fluids to inhibit shale hydration and swelling. By encapsulating shale particles, it stabilizes the wellbore and prevents disintegration of cuttings, reducing the risk of stuck pipe and wellbore collapse.

Horizontal and Directional Drilling
The polymer enhances lubrication and improves cuttings suspension, which is essential for maintaining fluid efficiency during extended reach and complex directional drilling operations.

Wellbore Stability Management
PHPA controls clay dispersion and improves hole cleaning, ensuring smoother drilling performance and reduced drilling fluid contamination.

Drilling Fluid System Optimization
Compared with conventional additives, PHPA polymers provide stronger shale inhibition, better rheological control, and improved cuttings encapsulation, resulting in reduced fluid loss and more efficient drilling cycles.

4. Competitive Advantages

• Consistent Quality: Manufactured under controlled polymerization processes ensuring stable molecular weight distribution and predictable performance.
• Reliable Supply Chain: Available for continuous industrial-scale supply supporting large drilling projects.
• Efficient Logistics: Optimized packaging and container loading for cost-effective international transport.
• Cost-Performance Efficiency: Reduces drilling complications, lowering operational downtime and drilling fluid consumption.
• Operational Sustainability: Minimizes formation damage and improves drilling fluid lifecycle efficiency.
• Technical Documentation: Full product data sheets (TDS), safety data sheets (SDS), and application guidance available for drilling engineers and procurement teams.

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20 MT
• Loading Capacity: 20–22 MT per 20 ft container depending on packaging configuration.