Overview

       The device is a device for measuring core permeability by unsteady-state method,so does the ultra low permeability tester.The unsteady state method means that the gas does not form stable seepage in the process of testing,and the flow is in the state of unsteady state.The pressure is a gradual process in the test, and the gradual process is tested and recorded,and then the permeability of the core is calculated by the method of calculus.

Main technical parameters

1,permeability testing range:0.00001mD to 0.1mD;

2,confining pressure:0.07 to 70MPa,controlled;

3,sample specification:Φ25mm,length:30 to 80mm;

4,pore fluid pressure:0.5 to 15MPa;

5,useful fluid:nitrogen,helium,air;

6,standard chamber volume:100ml,5ml,each of the two;

7,testing method:unsteady state pulse attenuation method;

8,automatically collect and process data,generate data curves and reports.