Core overburdened pore pressure test system
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Detailed description
Equipment Technical Parameters and Requirements
1. Pressure: 0～70MPa (hoop pressure 0-70Mpa, axial pressure 0-70Mpa)
2. Core Specifications: φ25×100mm
3. Measurement Range: Porosity: ≤50%; Permeability: Pulse decay 0.00001~0.1md, flow meter method 0.1~6000md
4. Measurement Accuracy: Porosity relative error less than or equal to 0.5%, permeability measurement error: low permeability ≤10%, high permeability ≤5%
5. Porosity test pressure ≤0.7MPa
6. Permeability test pressure: Flow meter method 0.01～0.5MPa, pressure pulse decay measurement 7MPa
7. Control gas source pressure 0.5MPa
8. Measurement gas requirements: (i) Type: Nitrogen, Helium
Control gas requirements: (i) Type: Air, (ii) Pressure: 0.5MPa
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