USO-20R1-15 The mixing-averaging unit
The mixing-averaging unit is designed for preparing cementing slurries and other process fluids in drilling oil and gas wells, lateral outlets, installing cement plugs and other isolation and repair works in wells.
TS 3666-008-79560377-2009
Actual operations:
- Autonomous preparation of cementing and other slurries, including from soft containers directly at the drilling site.
- Pumping the prepared slurry into the well. Pump and stirrers are empowered by auto power unit drive. Stirrers are empowered by hydraulic hydro pump drive with the hydro pumps installed on the power takeoff device of the car gearbox. Plunger pump is empowered by mechanic power takeoff box drive, with the power takeoff device installed on the distributing box.
- Preparation of a slurry to achieve the required specifications is performed by recirculation method using the in-house pump and mechanical agitators.
| Parameter name | Value |
| Mixing tank volume, m3 | 7 (3,5х2) |
| Accumulating slurry density up to, g/cm3 | 2,5 |
| Allowable fluctuation in slurry density, g/cm2 | 0,01 |
| Tank inclination angle, degrees | 0,5 |
| Stirrer specifications: | |
| - functional principle; | Mechanical |
| - type; | two-shaft auger-drill |
| - rotation rate min, rot./min | 20-25 |
| Measuring tank volume, m3 | 3 (1,5х2) |
| Plant dimension, mm, max. | |
| - Length | 10070 |
| - Width | 2500 |
| - Overall height | 4300 |
| - Traveling height | 3600 |
| Erection base | Chassis КАМАZ 43118 |
| Plunger pump: | |
| - labeling | СИН-32 |
| - plunger diameter, mm | 125 (nitrogen) |
| - hydraulic horsepower output, kW | 130 |
| - full pump flow, L/sec | 25 |
| - peak pump pressure, MPa | 32 |
| Power takeoff device on the distributing box upper hatch | МП 24-4208010-05 |
| Power takeoff device on the gear box | МП 50-4202010 |
