Introduction
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DYGJ35S is a water-soluble polymer fluid-loss additive for oil-well cementing. It is designed to provide dependable fluid-loss control and support a tight, low-permeability filter cake, helping maintain slurry integrity during placement. The product is suitable for BHCT 30–200°C (86–392°F) and can be mixed with fresh water and seawater, making it a practical choice for medium/low-temperature cementing operations where stable rheology and reduced filtrate invasion are required.

Applications / Functions
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• Provides fluid-loss control for oil-well cement slurries

• Helps form a tight filter cake to reduce filtrate invasion and slurry dehydration

• Supports cementing with fresh water and seawater mixing systems

• Assists in reducing the risk of oil/gas migration by improving slurry stability during placement

• Helps maintain normal slurry pumpability while improving overall placement quality

Advantages
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• Wide temperature window: BHCT 30–200°C (86–392°F)

• Seawater-mixing capable for offshore / coastal operations

• Supports slurry stability and helps mitigate fluid loss–related issues during placement

• Designed to have no adverse impact on cement strength development under low-temperature conditions (typical field requirement)

Recommended Treatment
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Typical dosage: (optimize based on cement design, temperature, density, and field performance targets)

• 0.2–1.0% BWOC

Package
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• 25 kg sack

• Custom packaging available upon request