1. Product introduction
This product is a filtrate reducer sulfomethyl phenolic resin for drilling fluid prepared by polycondensation with phenol, formaldehyde and sulfonate as raw materials. It is mainly used in oil drilling fluid as fluid loss reducer and high-temperature stabilizer. It is an indispensable and excellent fluid loss treatment agent for deep wells and salt gypsum wells (polysulfonate and its derivative system).
2. Product performance index
| Item | Index | |
| SMP-Ⅰ water aqua | SMP-Ⅰ powder | |
| appearance | Viscous liquid | Free flowing powder |
| Mass fraction on dry basis, %≥ | 42.0 | 90.0 |
| Water insoluble, %≤ | – | 10.0 |
| Dynamic viscosity, mPa·s | 70-230 | – |
| Cloud point salinity (calculated by CL – ),（g/L）≥ | 110 | 100 |
| Apparent viscosity, mPa·s≤ | 38.0 | 38.0 |
| High temperature and high pressure filtration, mL≤ | 25.0 | 25.0 |
| Foaming rate, %≤ | 10.0 | 10.0 |
3. Use guide
The service temperature of the product is 100 ℃ – 160 ℃; Suitable for drilling fluid system with salt content between 0-20%; The recommended dosage is generally 3% – 6%, which can be adjusted according to the specific situation. (it can be adjusted to meet the standards of each oilfield according to the requirements of customers)