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The desilter is designed for removing fine solid particles from drilling fluids in solids control systems.
It is the third-stage solids control equipment after the desander, mainly used to separate particles sized 15-47 microns from drilling mud, improving drilling fluid properties and enhancing drilling efficiency.
The equipment is widely used in oil & gas drilling, HDD drilling and drilling fluid recycling systems.
Product Photos

High separation efficiency
Effective fine solids removal
Compact and modular structure
Stable and reliable operation
Reduced drilling fluid loss
Easy maintenance
Long service life
The drilling fluid enters the hydrocyclones through centrifugal pressure.
Under centrifugal force, fine solid particles are separated and discharged from the underflow outlet, while cleaned drilling fluid returns to the active mud system.
ApplicationsWidely used in:
Oil & gas drilling
HDD drilling
Water well drilling
Geothermal drilling
CBM drilling
Mud recycling systems
Products Parameters
| Model | CNQ100×8 | CNQ100×10 |
| Treating Capacity | ≤200m³/h | ≤240m³/h |
| Cones Size | 4'' | 4'' |
| Cones Number | 8ps | 10ps |
| Working Pressure | 0.25~0.4Mpa | 0.25~0.4Mpa |
| Matching Pump | 37kW/45kW | 45kW/55kW |
| Inlet Size | 150mm | 150mm |
| Outlet Size | 200mm | 200mm |
| Separation Size | 15~47μm | 15~47μm |
Packaging & Shipping
Standard export package
Wooden case packing
Suitable for sea transportation
A: It removes fine solid particles of 15-47 microns from drilling fluids as the third-stage solids control equipment.
Q2: What particle size can the desilter separate?A: Normally 15-47 microns.
Q3: Can polyurethane cyclones be provided?A: Yes, wear-resistant polyurethane hydrocyclones are available.
Q4: Can the desilter work with shale shaker equipment?A: Yes, it is commonly integrated with shale shaker and desander systems.