1. Overview
The Model HSHD-8040 High-Pressure High-Temperature (HPHT) Consistometer is used to evaluate the consistency or pumpability of cement slurries. Operators can determine the maximum available pumping time of cement slurry before it reaches a non-pumpable consistency before setting.
The Model HSHD-8040 HPHT Consistometer measures the thickening time of cement slurries under simulated downhole pressure and temperature conditions. Its maximum operating conditions are 600°F (315°C) and 40000 psi (275 MPa).
The thickening time of cement slurry is a good indicator of how long the slurry will remain pumpable. Thickening time is the time required for stirred cement slurry to reach a consistency of 100 Bearden units (Bc). The Bearden unit of consistency (Bc) is a dimensionless quantity from 0-100 units. The Bc number corresponds to the torque required to deflect an electrical potentiometer.
The Model HSHD-8040 HPHT Consistometer is designed for conformance with relevant standards and practices as published by API Subcommittee 10 on Well Cements.
2.Features and Specifications
The Model HSHD-8040 High-Pressure, High-Temperature Consistometer measures the consistency of cement slurries at temperatures up to 600°F (315°C) and pressures up to 40000 psi ( 275 MPa). The instrument has built-in safety features for safe operating at high temperatures and pressures. The unit’s control system software runs the instrument and generates reports and graphs.
The consistometer consists of a pressure chamber that holds the slurry cup sample, a heater, cooling coil, and various operating components and subsystems described in this section.
3.Main Technical Parameters
| Category | Specification |
| Electrical | AC(220±11)V 50Hz |
| Maximum Temperature | 600°F (315°C) |
| Maximum Pressure | 40000 psi (275MPa) |
| Stirring Speed | 150 rpm |
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