FIELD: oil industry.
SUBSTANCE: method includes making hermetic chambers with injection of good-compacting substance therein. Model is made in form of rectangular box or basin with filling of the latter with porous substance and its pressurization. Hermetic chambers are connected hydraulically to the model. Model and chambers are filled with low-compressible working liquid,. Volume of model pores is determined. Portion of working liquid is pumped from hermetic chambers into model at atmospheric pressure. Working liquid is fed into model with fixed pressure with control of working liquid amount, which amount flows backwards into hermetic chambers. coefficient of model compressibility is determined on basis of volume of liquid, which moved into hermetic chambers, fixed pressure and volume of pores in model.
EFFECT: higher efficiency.
3 cl, 2 dwg
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