Helium Porosimeter
Automated Grain Volume & Porosity SystemThe PDP-300® porosimeter is an automated system designed to measure a sample's grain volume and calculate its porosity, grain density, and bulk density in a few simple steps.
200 PSIAPressure Transducer
40°CIsothermal Control
0.008% FSResolution
0.5 µmHelium Filtration
Grain Volume Measurement
Porosity Measurement
Grain Density Calculation
Bulk Density Calculation
Pore Volume Measurement
Stressed Pore Volume
Real-time Monitoring
Automated Measurement
Temperature Controller
- Isothermal control at 40°C
Pressure Transducers
- Resolution: 0.008% FS
- Automated valve control
- High accuracy
- Allows for stressed pore volume determination
Sample Holders
- Matrix Cups and Calibration Billets for 1″ diameter × 3″ length samples
- Matrix Cups and Calibration Billets for 1.5″ diameter × 3″ length samples
| System Level | |
| Pressure transducer | 200 PSIA digital, ±0.02% FS accuracy |
| Operation | Fully automated |
| Internal reference volumes | Three |
| External pressure port | For stressed PV measurements (optional coreholder) |
| Design & Construction | |
| PC and data acquisition | Internal on-board — minimizes footprint and cables |
| Thermal equilibration | Helium thermal equilibration chamber |
| Helium filtration | 0.5 micron unit between matrix cup and valves |
| Valve type | Low maintenance metal seal diaphragm, surface mounted |
Data Acquisition & Control
- Automated data acquisition
- Real-time porosity monitoring
- Real-time data display and recording
- Advanced PC-based software calculates real-time Grain Volume, Grain Density, Pore Volume, and Porosity
Applications
- Volumetric oil in place calculations
- Flow rate prediction in reservoir zones
- Scale-up models for treatment facility design
- Core analysis for reservoir characterization
- Research facility standard measurements
Safety Features
- High-Limit Controller sets maximum system temperature for optimal safety
- CE Certified — all components conform to CE health, safety, and environmental standards
- Automated safety limits on temperature
- Isothermal control prevents overheating
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