Water Soluble Polymer for Oilfield Drilling Fluids

Product Overview

Partially Hydrolyzed Polyacrylamide (PHPA), also known as partially hydrolyzed PAM, is a water-soluble polymer widely applied in oilfield drilling fluids to enhance fluid stability, control solids behavior, and protect wellbore integrity.
The BLUFLOC® PHPA Polymer Series from Bluwat Chemicals is designed as a versatile drilling fluid polymer, suitable for a broad range of water-based mud systems and oilfield operating conditions.

With its anionic character and high molecular weight structure, PHPA provides balanced performance in viscosity control, shale stabilization, fluid loss reduction, and lubrication.

Water-Soluble Polymer Functionality in Drilling Fluids

As a water-soluble polymer, PHPA disperses uniformly in drilling fluids and interacts effectively with clay particles, cuttings, and formation surfaces. Its key functional mechanisms include:

• Polymer adsorption on shale and clay surfaces

• Encapsulation of drill cuttings to prevent dispersion

• Formation of a low-permeability filter cake

• Modification of drilling fluid rheology

• Reduction of friction between solids and metal surfaces

These combined effects make PHPA a core polymer additive in modern oilfield drilling fluid formulations.

Performance Benefits

• Efficient Solids Control
  Flocculates fine particles and stabilizes suspended solids without excessive viscosity increase.

• Wellbore Stabilization
  Reduces shale hydration, swelling, and erosion in reactive formations.

• Fluid Loss Reduction
  Improves mud cake quality and limits filtrate invasion into formations.

• Stable Rheology
  Maintains consistent viscosity across varying pH, salinity, and water quality conditions.

• Improved Lubricity
  Lowers torque and drag, contributing to smoother drilling operations.

Suitable Drilling Fluid Systems

PHPA polymer is compatible with a wide range of oilfield drilling fluids, including:

• Freshwater-based drilling muds

• KCl and salt-inhibited systems

• Sodium and calcium brine muds

• Water well and industrial drilling fluids

• Directional and horizontal drilling systems

Its adaptability makes PHPA an ideal choice for both conventional and complex drilling environments.

Technical Characteristics

• Polymer Type: Anionic Partially Hydrolyzed PAM (PHPA)

• Molecular Weight: Very High to Ultra-High

• Degree of Hydrolysis: Medium to High

• Solubility: Fully water-soluble

• Effective pH Range: 5–14

• Thermal & Chemical Stability: Suitable for oilfield drilling conditions

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

Application & Mixing Recommendations

To ensure optimal polymer performance, PHPA should be properly dispersed and hydrated before use.

• Typical Solution Concentration: 0.1–0.3%

• Recommended Make-up Water Temperature: 10–40 °C

• Mixing Equipment: Polymer eductor or dry powder feeder

• Hydration Time: Approximately 60 minutes with continuous agitation

Correct preparation ensures full polymer hydration and consistent drilling fluid performance.

Packaging & Storage

• Powder Form: 25 kg kraft bags with inner PE liner

• Emulsion Form: 1000 kg IBC containers

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

• Shelf Life:

  • Powder: 24 months

  • Emulsion: 6 months

Multiple grades are available to match different drilling fluid requirements.

Why Choose BLUFLOC® PHPA Polymer

• Professional manufacturer of oilfield water-soluble polymers

• Consistent product quality and controlled polymer properties

• Broad grade selection for different drilling fluid systems

• Technical support for formulation and field application

• Reliable global supply for oilfield service companies and distributors

Contact for Technical Information

For TDS, MSDS, samples, or application support, please contact Bluwat Chemicals.
Our technical team will assist you in selecting the most suitable PHPA polymer for your oilfield drilling fluid system.