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On the Correctness of Interpreting Data on Determining the Capillary Pressure in Rocks by the Centrifugation Method

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Journal of Engineering Physics and Thermophysics Aims and scope

We have analyzed the common errors made in interpreting centrifugation data with the aim of determining the capillary pressure in rock samples. We propose a method for increasing the reliability of processed data based on the separation of the data set by determining the limiting rotational velocity of the centrifuge corresponding to the attainment of the maximum value of the capillary pressure in the rotating core sample. It has been established that in using the standard centrifugation method it is physically impossible to attain capillary pressures exceeding 1atm. We have improved this method by increasing the initial pressure in the core holder of the centrifuge.

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References

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Authors and Affiliations

  1. Institute for Oil and Gas Problems, Russian Academy of Sciences, 3 Gubkin Str., Moscow, 119333, Russia

    A. M. Svalov

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  1. A. M. Svalov
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Correspondence to A. M. Svalov.

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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 88, No. 3, pp. 733–742, May–June, 2015.

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Svalov, A.M. On the Correctness of Interpreting Data on Determining the Capillary Pressure in Rocks by the Centrifugation Method. J Eng Phys Thermophy 88, 760–768 (2015). https://doi.org/10.1007/s10891-015-1248-9

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  • DOI: https://doi.org/10.1007/s10891-015-1248-9

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