Multiphase Relative Permeability System
Three-Phase Relative Permeability System (MRP-300)An automated multiphase core flood system engineered for accurate relative permeability measurements under in-situ stress and temperature conditions — supporting steady-state and unsteady-state flow of brines, crude oils, and CO₂.
Core Capabilities
- Steady-state and unsteady-state relative permeability measurements with in-situ saturation X-Ray monitoring
- Class A safety oven with integrated LEL and H₂S detection
- Automated X-Ray source and detector mounted in a dedicated X-ray enclosure
- Carbon Fiber Core Holder for X-ray transparency — closed loop, open loop, and reverse flow capability
- Horizontal mounting option for Core Holder
- Acoustic Separator, Back-pressure Regulator and Wet Test Meter for fluid balance
- All wetted components suitable for corrosive fluids including CO₂/SCO₂
- Pressure and temperature control to simulate realistic in-situ stress conditions
- Simultaneous three-phase fluid flow
- Live data monitoring and visualization
Key System Components
- MetaRock Three-Phase Relative Permeability DAQ Control Rack
- Safety Oven (containing Core Holder, Acoustic Separator, Transfer Vessel, Fraction Collector, Back-Pressure Regulator)
- X-Ray Enclosure
- Dual Continuous Injection Pumps for each phase
- Confining Pump and Compensation Pump
- High-resolution Digital Pressure & Differential Pressure Transducers
- PC, UPS, Keyboard, Monitor
| System Level | |
| Sample size | 1″ OD and 1½″ OD, up to 12″ long |
| Pore pressure | 9,500 PSI |
| Confining pressure | 10,000 PSI |
| Maximum temperature | 150°C |
| Minimum injection rate | 1.4 × 10-5 cc/min |
| Dimensions (doors closed) | 5.1 m × 1.9 m × 2.2 m [202″ × 74″ × 87″] |
| Dimensions (doors open) | 5.1 m × 2.7 m × 2.2 m [202″ × 107″ × 87″] |
| Core Holder Pressure Vessel | |
| Maximum pressure | 10,000 PSI |
| Maximum temperature | 150°C |
| Material | Carbon Fiber composite |
| Three-Phase Acoustic Separator | |
| Maximum pressure | 10,000 PSI |
| Maximum temperature | 150°C |
| Material | Hastelloy® |
| Injection Pumps | |
| Type | Continuous dual injection 30 ml pumps with pulse-free switching |
| Maximum pressure | 10,000 PSI |
| Flow rate (min) | 1.4 × 10-5 cc/min |
| Flow rate (max) | 15 cc/min |
| Material | Ceramic/Hastelloy® wetted components |
| Confining Pump | |
| Capacity | 1 L |
| Maximum pressure | 10,000 PSI |
| Maximum temperature | 90°C |
| Material | Stainless Steel |
| Safety Oven | |
| Maximum temperature | 200°C |
MetaRock Three-Phase Relative Permeability Software
- Complete control and monitoring through an intuitive interface
- Pressure and temperature control for all system channels
- Flow rate control for each phase individually
- X-Ray travel routine and intensity programming
- Quick and reliable identification of key events
- Accelerates data interpretation workflow
Testing Capabilities
- Steady-state relative permeability with in-situ monitoring
- Unsteady-state relative permeability with in-situ monitoring
- Absolute brine permeability
- Oil permeability
- Empirical data generation and visualization for three-phase flow
Safety Features
- Class A safety oven with LEL and H₂S detector
- Leaded radiation shielding
- Automated X-Ray shutter for immediate shut-off of the X-Ray source
- X-Ray control sub-system safety interlocks and warning lights
- Automated oven shutoff in case of ventilation loss
- Blow-out panel for emergency pressure relief
- Software integrated pressure and temperature limits on all channels
- Rupture discs and relief valves for overpressure protection
- UPS (Uninterruptible Power Supply) for safe operation during power interruptions
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