Steady-state permeameter


Published Time:

2025-04-18


This experimental instrument is designed based on Darcy's law for one-dimensional steady seepage. By setting a certain confining pressure and displacement pressure, the equipment automatically determines when steady-state seepage is reached, records the flow rate and pressure at the upstream and downstream ends, and calculates the core permeability. The equipment has a multi-range gas flow meter that automatically selects the appropriate range, improving measurement accuracy.

Technical Parameters

Displacement Pressure ≤2MPa
Confining Pressure ≤6MPa
Core Holder Specifications 25mm × 150mm
Applicable Core Specifications 25mm × (30~80)mm
Permeability Measurement Range 0.01~2000mD
Permeability Measurement Accuracy Relative error ≤10%

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