The Rotary Jet Washout Nozzle, Type NRV, is designed to wash out sand plugs, hydrate wax plugs and other deposits on the inside of tubing strings, when work is done on coil tubing (CT) using coiled-tubing units (CTU).
The jet nozzles are manufactured in the nominal diameters of 45 and 54 mm.
Basic Parameters and Dimensions:
| Parameter |
Value |
|
|
NRV-45M |
NRV-54M |
|
| Rated tubing (T) string size, mm |
60, 73, 89; 102; 114 |
73, 89; 102; 114 |
| Pressure drop, MPa, up to |
7 |
7 |
| Jet Nozzle diameter, D, mm |
45 |
54 |
| Central hole diameter, d, mm |
5 |
|
| Diameter of rotor holes, d1 , mm |
3 |
|
| Number of rotor holes |
4 |
|
| Jet Nozzle length, L, mm |
152 |
197 |
| Weight, kg, max |
1,1 |
2 |
| Working fluid |
Drilling fluid, oil, water |
|
| Fluid temperature, °C, max |
150 |
|
| Connecting thread dimensions as per GOST 24705-81, 8724-81, 9150-81 |
M30х2 |
M42х2 |