Applying drilling fluid coating agent to drilling fluid can effectively control the apparent viscosity, plastic viscosity and filtration loss it can effectively wrap the cuttings and prevent the cuttings mud from hydration, which is beneficial to stable the well wall, and also give the fluid with the resistance to high temperature and salt.
Product name |
Electric density |
Molecular weight |
5011 |
Low |
Extreme low |
7052 |
Middle |
Middle |
7226 |
Middle |
High |