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High Temperature

, Volume 56, Issue 1, pp 142–145 | Cite as

Low-Frequency Experimental Investigation of Frequency and Temperature Dependences of the Electrical Conductivity of Asphalt-Resin-Paraffin Deposits in Reservoirs

  • M. Sh. Shaikhutdinova
  • S. S. Gotz
  • K. Sh. Yamaletdinova
Short Communications
  • 16 Downloads

Abstract

We performed experimental studies of the phase-frequency and the amplitude-frequency characteristics of the electrical conductivity of asphalt-resin-paraffin deposits in oil storage reservoirs within the frequency range of 4 Hz–1 kHz and the temperature range of 20–70°C. We found two domains in the obtained temperature dependences. For the temperature range below the phase-transition temperature, the activation energy was equal, on average, to 0.52 eV, while above this it was approximately 1.00 eV. The peculiarity of the frequency dependences of the phase-frequency characteristics results from the multi-factor mechanisms of the polarization, which resulted in “smearing” of their extremes over these frequencies.

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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • M. Sh. Shaikhutdinova
    • 1
  • S. S. Gotz
    • 2
  • K. Sh. Yamaletdinova
    • 2
  1. 1.Transneft–Ural JSCUfa, Republic of BashkortostanRussia
  2. 2.Bashkir State UniversityUfa, Republic of BashkortostanRussia

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