Drilling Fluid Polymer with Stable Rheology Performance

Product Overview

Modified PHPA Polyacrylamide (PAM) is an advanced drilling fluid polymer engineered to deliver stable rheology control, reliable fluid loss reduction, and effective solids management under complex drilling conditions.
The BLUFLOC® Modified PHPA Series from Bluwat Chemicals is developed through controlled polymer modification to improve hydration behavior, molecular distribution, and shear stability, ensuring consistent drilling mud performance throughout the drilling process.

This modified PHPA polymer is suitable for drilling operations requiring predictable viscosity, controlled flocculation, and long-term fluid stability in water-based drilling systems.

Design Concept: Why Modified PHPA

Traditional PHPA polymers may suffer from viscosity fluctuation, over-flocculation, or performance instability when exposed to variable salinity, pH, or shear conditions.
Modified PHPA addresses these challenges by:

• Optimizing molecular weight distribution

• Enhancing polymer chain stability under shear

• Improving hydration uniformity during mixing

• Balancing flocculation strength and rheology control

The result is a more stable and controllable drilling fluid polymer, especially suited for modern drilling mud formulations.

Functional Performance in Drilling Fluids

Modified PHPA PAM performs multiple roles simultaneously:

• Stable Rheology Control
  Maintains consistent viscosity and yield behavior across a wide operating window.

• Controlled Flocculation
  Aggregates fine solids without excessive viscosity increase or mud instability.

• Fluid Loss Reduction
  Supports formation of a thin, low-permeability filter cake.

• Shale & Cuttings Stabilization
  Encapsulates cuttings and limits hydration and dispersion of clay-rich formations.

• Lubricity Enhancement
  Reduces friction between drill string, cuttings, and borehole surfaces.

Key Advantages

• Modified polymer structure for predictable performance

• High molecular weight with controlled flocculation behavior

• Stable rheology under shear and circulation conditions

• Compatible with KCl, freshwater, and brine-based mud systems

• Effective across wide pH and salinity ranges

• Reduces risk of over-treatment in drilling fluid systems

Typical Applications

• Oil & gas drilling mud systems

• Water-based drilling fluids requiring stable rheology

• Directional and horizontal drilling operations

• KCl and salt-tolerant mud formulations

• Industrial and geological drilling

• Drilling fluids with strict solids and viscosity control requirements

Technical Characteristics

• Polymer Type: Modified Anionic Polyacrylamide (PHPA / PAM)

• Molecular Weight: Very High to Ultra-High

• Degree of Hydrolysis: Controlled, medium to high

• Effective pH Range: 5–14

• Solubility: Water-soluble polymer

• Stability: Improved shear and hydration stability

• Compatibility: PAC, CMC, biopolymers, and common drilling fluid additives

Mixing & Application Guidelines

To achieve optimal rheology performance, proper dispersion and hydration are essential:

• Recommended Solution Concentration: 0.1–0.3%

• Make-up Water Temperature: 10–40 °C

• Mixing Method: Polymer eductor or controlled dry powder feeding

• Hydration Time: Approximately 60 minutes with continuous agitation

Avoid direct contact with multivalent metal ions during solution preparation.

Packaging & Supply Options

• Powder: 25 kg kraft bags with inner PE liner

• Emulsion: 1000 kg IBC containers

• Storage: Cool, dry place, protected from heat and direct sunlight

• Shelf Life:

  • Powder: 24 months

  • Emulsion: 6 months

Customized grades are available upon request for specific drilling conditions.

Why Choose BLUFLOC® Modified PHPA

• Specialized manufacturer of drilling fluid polymers

• Advanced polymer modification and quality control

• Stable and repeatable rheology performance

• Broad grade selection and customization capability

• Technical support for drilling fluid formulation optimization

• Reliable global supply for oilfield service companies

Technical Support & Samples

Contact Bluwat Chemicals to request TDS, MSDS, formulation guidance, or samples.
Our technical team will assist in selecting the most suitable modified PHPA polymer for your drilling fluid system and performance targets.