Experimental Investigation of the Dielectric Parameters of Bituminous Productive Rock under High Uniform Pressure

The effect of high uniform pressure and temperature on the dielectric properties of productive rock of a bituminous deposit is investigated experimentally. It is found that a pressure increase results in the shift of maxima of the dielectric loss tangent towards lower frequencies, in an increase in the time of relaxation, and in a nonlinear variation of the value of permittivity. The frequency dependences of the dielectric parameters of productive rocks are characteristic of dielectrics with dipole-group processes.