Porosity meter


Published Time:

2025-04-18


The porosity meter is designed based on the Boyle's law two-chamber method. Gas is input into a reference chamber of known volume under a predetermined base pressure. Then, the gas in the reference chamber diffuses into the sample chamber of known volume containing the rock sample. The equilibrium pressure decreases, from which the volume of rock sample particles can be calculated. Then, the pore volume is calculated by subtracting the particle volume from the total volume of the rock sample.

Technical Parameters

Test Pressure 100-200psi
Sample Chamber Applicable Core Specifications φ25*100mm,φ38*100mm,p50*100mm
Porosity Measurement Range 0-50%
Porosity Measurement Accuracy No more than 0.5%

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