1. Product introduction
This product is an organic salt weighting agent with formate as main material and citrate as auxiliary. It is used as weighting agent, anti sloughing agent and oil and gas reservoir protective agent in drilling and completion fluid. It has no pollution, low corrosivity and can be biodegradable. It has strong inhibition, anti collapse and good oil and gas protection.
2. Product performance index
| Item | Index |
| appearance | White crystal, flowable particles |
| water content, % | ≤0.8 |
| Sodium formate content, % | ≥97.0 |
| Sodium hydroxide, % | ≤0.20 |
| Sodium carbonate, % | ≤0.20 |
| Sodium chloride, % | ≤0.15 |
| Sodium sulfide, % | ≤0.30 |
| Saturated brine density (25 ℃), g/cm3 | ≥1.32 |
| PH value (saturated solution) | 7.0～12.0 |
| Crystallization point, ℃ | ≤﹣5 |
| Anti swelling rate, % | ≥90.0 |
3. Use guide
Dosage: according to underground needs.