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A possible mechanism of vibroseismic action on an oil-bearing bed

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Journal of Engineering Physics and Thermophysics Aims and scope

Abstract

A possible mechanism of the elastic oscillation effect on oil and water filtration is explained. It is shown that liberation of part of the dissolved gas from oil due to vibroseismic action may change phase permeabilities in the oil-water system.

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Abbreviations

m:

porosity

k:

absolute permeability

kw, ko, kg :

phase permeabilities of water, oil, gas, respectively

ρ:

density

μ:

viscosity

s:

saturation

p:

pressure

P0 :

hydrostatic pressure

p′0 :

pressure oscillation amplitude

x:

distance

Psat :

saturation pressure

z:

mass fraction of the dissolved gas in oil

R(p):

gas solubility in oil (maximum amount of gas dissolved in 1 kg of oil at a given pressure)

v :

set of a governing vibration parameters

q:

fluid flowrate

t:

time

R0 :

initial radius of a gas bubble

D:

diffusion coefficient

β0 :

gas concentration in the fluid far from a bubble

W:

vibrosource power. Indices w, o, g refer to the water, oil gas parameters, respectively

References

  1. Hgieh Din Yu and M. S. Plesset, J. Acoustic Soc. Am.,33, No. 206, 520–525 (1961).

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  2. M. L. Surguchev, O. L. Kuznetsov, and E. M. Simkin, Hydrodynamic, Acoustic and Thermal Cyclic Actions upon Oil-Bearing Beds [in Russian], Moscow (1975).

  3. A. M. Kuznetsov, “Specific features of multiphase flow in porous media and methods of estimating filtration characteristics as applied to exploitation of oil pools”, Thesis, Moscow (1989).

  4. M. D. Rosenberg and S. A. Kundin, Multiphase Multicomponent Filtration at Oil and Gas Extraction [in Russian], Moscow (1976).

  5. I. G. Kissin, Dokl. Akad. Nauk SSSR,270, No. 3, 460–464 (1983).

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Authors
  1. É. M. Simkin
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Additional information

A. P. Krylov All-Union Oil and Gas Scientific-Research Institute, Moscow. Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 64, No. 4, pp. 443–448, April, 1993.

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Simkin, É.M. A possible mechanism of vibroseismic action on an oil-bearing bed. J Eng Phys Thermophys 64, 355–359 (1993). https://doi.org/10.1007/BF00859220

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  • DOI: https://doi.org/10.1007/BF00859220

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