Description
Multi-branched resin PRFF is an oilfield drilling-fluid additive suitable for fresh-water, salt-water and moderate salt-contaminated conditions for medium-deep wells and complex wells. Applied as high-temperature-salt resistant agent, anti-caving agent, fluid-loss reducer and mud thinner with good field performance across oilfields.
Characteristics declared for the product and stated conditions. Selection and performance subject to technical evaluation of the fluid system.
Appearance
Black / brownish-black free-flowing powder.
Main Advantages
- Good high-temperature and salt resistance; works for shallow, medium-deep, deep and complex wells under fresh-water / salt-water contamination.
- Remarkable anti-caving performance combined with thinning and fluid-loss-reduction; stabilizes borehole and prevents collapse.
- Low dosage, simple operation, reduces drilling cost and improves comprehensive drilling benefit.
- Good water solubility, stable mud performance, dense & smooth filter cake. Ensures tripping, pump startup and electric-logging operations; mitigates down-hole complications for safe, fast and efficient drilling in complex formations.
Fluid Systems Mentioned
Fresh WaterSalt Water
Specifications
| Parameter | Value / Limit | Unit | Test Conditions |
|---|---|---|---|
| Appearance | Black/brownish-black free-flowing powder | — | — |
| Moisture | ≤10.0 | % | — |
| Purity | ≥88.0 | % | — |
| pH | 8.0–10.0 | — | 1% aqueous solution |
| Core linear-swelling reduction rate | ≥45.0 | % | — |
| Viscosity-reduction rate | ≥65.0 | % | 25 °C ± 2 °C — Fresh-water mud |
| API fluid loss | ≤10.0 | mL | 3% dosage — Fresh-water mud |
| HT-HP fluid loss | ≤25.0 | mL | 3% dosage, 150 °C/3.45 MPa — Fresh-water mud |
| API fluid loss after thermal aging | ≤10.0 | mL | 5% dosage — Salt-water mud |
| HT-HP fluid loss | ≤35.0 | mL | 5% dosage, 150 °C/3.45 MPa — Salt-water mud |
| Apparent viscosity | ≤30.0 | mPa·s | 5% dosage — Salt-water mud |
Technical Note: The fresh-water mud block (3% dosage) and salt-water mud block (5% dosage) use different dosages and are not directly comparable.
Application
Add dry powder via hopper. Recommended dosage: 1%–5%.
Dosage Guidance
1%–5%.
Indicative range from technical documentation. Final dosage requires testing and evaluation of the fluid system.
Packaging & Storage
3-in-1 composite bags with PE liner, net 25 kg/bag. Store in cool, dry, ventilated location.
Available Documentation
Catalog technical data sheet: available. Request the applicable SDS and CoA; availability subject to confirmation.
Request technical data sheet, SDS and documentation applicable to the product and batch