Description
Oilfield defoamer is primarily organosilicon polyether copolymer defoamers. It rapidly dissolve and disperse, effectively penetrating auxiliary materials and the interior of the drilling mud to suppress and eliminate foam. This enhances the effectiveness of additives, improves the lubrication of drilling mud, and increases the cooling effect of drilling equipment, thereby improving the efficiency of oil extraction. Furthermore, it possesses good chemical stability and low silicon content, effectively preventing any negative impact on subsequent oil processing stages.
Application
Organosilicon defoamers are primarily used to eliminate foam in oil and gas drilling, but their effectiveness varies depending on the fluid characteristics: in oil drilling, they mainly eliminate foam generated by surfactants in the drilling fluid (mud), improving mud efficiency; in natural gas drilling, they focus on treating impurity foam introduced by the gas flow, preventing blockages in gathering and transportation pipelines. Both applications benefit from its low surface tension, water insolubility, and chemical inertness, allowing it to work efficiently in complex fluids.
Performance
The role of silicone defoamers in oil drilling:
- Eliminating Surfactant Foam: Oil drilling fluids typically contain large amounts of surfactants, emulsifiers, and lubricants, easily generating stubborn foam. Silicon defoamer agent quickly disperses and breaks down the foam structure, preventing foam from carrying sand and gravel that could affect mud performance.
- Maintaining Mud Density and Flowability: Eliminating foam ensures constant drilling fluid density, preventing safety accidents such as blowouts due to density decreases, and reducing fluid friction resistance.
- Ensuring Solids Control System Efficiency: Severe foaming can hinder the operation of mud solids control equipment (such as vibrating screens and hydrocyclones). Defoamer maintain equipment operation. The role of silicone defoamers in natural gas drilling and production:
- Eliminating Desulfurization/Decarbonization Foam: In natural gas purification processes, desulfurizing agents such as amine solutions are used. Silicon defoamer is used to eliminate foam generated by circulating amine solutions, preventing amine loss and reducing purification efficiency.
- Prevent downstream pipeline blockage: Natural gas often contains liquid impurities (water or hydrocarbons), which can easily generate foam during transportation. Defoamer can prevent pressure fluctuations and pipeline blockages caused by foam.
- Improve separation efficiency: Adding defoamer to gas-liquid separators can accelerate the separation of the liquid phase from the gas phase.
Technical Requirements
GB/T 26527-2024
| Item | Specification |
| Appearance | Milky white viscous liquid |
| pH value(25℃) | 6.0~9.0 |
| Density(20℃)/(g/cm³) | 0.80~1.05 |
| Defoaming time/s | ≤10 |
| Thermal stability(150℃*2h) | No delamination |
| Solid content,% | 20~40 |
| Centrifugal stability（3000r/min*30min） | No delamination,no precipitation |
| Fluorescence grade | ≤4 level |
Please note: Technical specifications can be customized.
Packaging & Shipping
Packaging: 50/200/1000kg plastic drums, tightly sealed.
Transportation: Handle with care; protect from sunlight, rain, and moisture; keep away from heat sources, fire sources, strong acids and alkalis; keep away from oxidizers, food, and animal feed.
Storage: Store in a sealed container in a cool, dry, and well-ventilated place to avoid contamination and deterioration, which could affect the defoaming effect. If not used completely at once, extra care should be taken to ensure proper sealing. The product has a shelf life of 12 months at room temperature (25°C). The optimal usage time for the diluted solution is within 8 hours.
Notes
Avoid contact with eyes, skin, and clothing. If contact occurs, rinse thoroughly with plenty of water/saline solution. Seek medical attention immediately if discomfort persists. Keep away from fire.For handling methods and hazard data, please refer to the Safety Data Sheet (MSDS).
Why Choose Us
Technology + Sales” Dual-Track Service Support. Whether it’s initial formulation design or on-site adjustments later on, our technical team is with you every step.
Annual production capacity of up to 150,000 tons; Rigorous quality control system; End-to-end monitoring; Ensure that no substandard products leave the factory.
Performance, packaging, and shipping can be customized according to your requirements.
Shorter lead time and on-time delivery to meet your fast and urgent needs.
