Product Description
In drilling fluid systems, this product delivers outstanding shale inhibition performance by effectively suppressing shale hydration and swelling. It prevents shale spalling and wellbore collapse, while significantly improving wellbore stability and plugging capability. Additionally, it optimizes the comprehensive properties of drilling fluids, ensuring stable, efficient and uninterrupted drilling operations.
For oil recovery applications, the product modifies the wettability of reservoir rock surfaces. This mechanism optimizes crude oil flow and extraction conditions, thereby effectively enhancing overall oil recovery efficiency.
Properties
| Product Name: | Asphalt, sulfonated, sodium salt |
| Synonyms: | Asphalt, sulfonated, sodium salt;Sodium Asphalt Sulfonate (SAS);PotassiuM Asphalt Sulfonate;Sulfonated asphalt powder;TIANFU-CHEM CAS：68201-32-1 Asphalt, sulfonated, sodium salt |
| CAS: | 68201-32-1 |
| MW: | 0 |
| EINECS: | 269-212-0 |
| Product Categories: | Oil Drilling;Mud Drilling Chemicals;UVCBs-organic-metal salts |
| Mol File: | Mol File |
| density | 1.435[at 20℃] |
| EPA Substance Registry System | Asphalt, sulfonated, sodium salt (68201-32-1) |
Product Application
Featuring sulfonic acid groups in its molecular structure, sulfonated asphalt possesses excellent hydration performance. After adsorbing onto shale interfaces, it effectively inhibits the hydration and dispersion of shale particles, thus preventing wellbore collapse. Meanwhile, its water-insoluble components can seal pore throats and fractures to deliver reliable plugging effects. Additionally, it forms a protective coating on shale surfaces and effectively improves the overall quality of mud cakes.
In drilling fluid systems, sulfonated asphalt acts as an efficient lubricant and reduces high-temperature and high-pressure filtration loss. As a multifunctional organic additive for drilling fluids, it integrates multiple superior performances, including sealing, anti-collapse, lubrication, drag reduction and shale inhibition.
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