1. Product introduction
This product can be used in most water-based drilling fluid systems, including fresh water, salt water and seawater drilling fluid. The temperature resistance reaches 130 ℃, which is not toxic and easy to degrade, and there is no need to add fungicide.
2. Product performance index
| Item | Index | |
| water content, %≤ | 6.0 | |
| Ash, %≤ | 8.0 | |
| pH | 6.0-8.5 | |
| Filtration loss, mL | Distilled water≤ | 12.0 |
| In saturated brine≤ | 14.0 | |
| Hot rolling at 150 ℃ in saturated brine for 16h≤ | 30.0 | |
3. Purpose and function
This product is applicable to low viscosity and low solid phase mud system with salinity not exceeding 50000ppm, and plays a role in increasing viscosity of mud system. In order to prevent bacterial degradation, some fungicides are usually added to ensure durability; Add sodium bicarbonate in advance for pretreatment when drilling cement plug.
4. Use guide
It is mainly used for water-based drilling fluid, with a general dosage of 0.5% – 2%. Note that the feeding speed should not be too fast.