Engineering Science

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Regarding the Thermal Behaviour of a Centrifugal Pump for Oil Recovery

Received: 15 May 2019    Accepted: 09 August 2019    Published: 17 September 2019
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Abstract

The modern world is characterized by increasing consumption of oil and its products. Oil production and consumption is an indicator of the economic level of development. However, there is a depletion of oil reserves in the field. New fields are not productive. Oil production in these fields leads to complications. Centrifugal pumps, which account for about 95% of the world's production, are particularly susceptible to such operational complications. Electric submersible pumps for oil well operation are the most flexible way, easily controlled and automated. Therefore, in low-productive fields, electric submersible pumps are widely used. However, in recent years, the operation of electric centrifugal pumps began to observe complications in the form of failures due to a decrease in the electrical resistance of the "cable – motor" system. Another complication in the operation of the electric centrifugal pump is a decrease in productivity. The third and most widespread complication is salt deposits in the inner cavity of the centrifugal pump. Studies conducted to identify the cause of salt deposition show that the original cause is the properties of reservoir water. However, it was not clear why salts were formed in some cases and not in others. Тhe state of Affairs remained unclear until the investigation of the thermal condition of the electric submersible pump began. It turned out that the centrifugal pump when pumping strongly carbonated liquids rapidly reduce the efficiency. It has been shown that the pump temperature is determined by the properties of the formation fluid and the properties of the centrifugal pump. Salt deposition begins when formation water inside the pump begins to boil. Analytical expressions were obtained to calculate the pump temperature. It turned out that the temperature of the pump also depends on the coefficient of heat transfer from the metal to the gas-liquid mixture and the coefficient of thermal conductivity of the gas layer on the surface of the pump. This work is devoted to obtaining an analytical expression for determining the heat return coefficient. The ability to calculate the pump temperature and determine the boiling pressure of reservoir water at this temperature will predict the deposition of salts in the centrifugal pump.

DOI 10.11648/j.es.20190402.11
Published in Engineering Science (Volume 4, Issue 2, June 2019)
Page(s) 28-33
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Electric Centrifugal Pump, Oil Production, Pump Dependence on Gas, Pump Heating, Salt Deposition in the Pump

References
[1] G. N. Alekseyev. General heat engineering. Moscow: “Vysshaya Shkola”, 1980.
[2] A. A. Gareyev. On the role of the thermal behaviour of electric centrifugal pumps. “Oborudovaniye i tekhnologii dlya neftepromyslovogo kompleksa” (Equipment and Technologies for Oil Production). 2009, No. 1, pp. 23–29.
[3] A. A. Gareyev. Regarding the maximum gas content at an electric centrifugal pump inlet. “Oborudovaniye i tekhnologii dlya neftepromyslovogo kompleksa” (Equipment and Technologies for Oil Production). 2009, No. 2, pp. 21–25.
[4] A. A. Gareyev. Regarding the thermal behaviour of electric submersible pumps. “Oborudovaniye i tekhnologii dlya neftepromyslovogo kompleksa” (Equipment and Technologies for Oil Production). 2010, No. 6, pp. 35–41.
[5] A. A. Gareyev. Regarding the gas separation coefficient at a pump inlet. “Neft’anoye khozyaistvo” (Oil Facility), 2010. No. 6, pp. 90–93.
[6] A. A. Gareyev. Regarding the thermal behaviour and thermal shock phenomenon of an electric centrifugal pump (as a matter for discussion). “Neft’anoye khozyaistvo” (Oil Facility), 2011, No. 3, pp. 122–126.
[7] A. A. Gareyev et al. Regarding electric centrifugal pump suction pressure. “Neft’anoye khozyaistvo” (Oil Facility), 2012, No. 10, pp. 128–131.
[8] A. A. Gareyev. Regarding the calculation of the gas separation coefficient at the pump inlet. “Neft’anoye khozyaistvo” (Oil Facility), 2013, No. 3, pp. 82–85.
[9] A. A. Gareyev. Salt deposition in a centrifugal pump as a result of boiling. “Inzhener Surgutneftegaza” (Surgutneftegaz Engineer) 2017, No. 11, pp. 45–50.
[10] A. A. Gareyev. Electric centrifugal pump operation practices without salt deposition. “Oborudovaniye i tekhnologii dlya neftepromyslovogo kompleksa” (Equipment and Technologies for Oil Production). 2018, No. 3, pp. 27–31.
[11] A. A. Gareyev. Regarding the salt deposition mechanism. “Neftepromyslovoye delo” (Oilfield Engineering), 2017, No. 2, pp. 58–65.
[12] A. A. Gareyev. Regarding “self-induced relaxation oscillations” of centrifugal pump duty cycles. “Neftepromyslovoye delo” (Oilfield Engineering), “Neft’anoye khozyaistvo” (Oil Facility), 2015, No. 12, pp. 132–145.
[13] R. Reid, J. Prausnitz, T. Sherwood. The properties of gases and liquids. “Khimiya” (Chemistry), Leningrad Division, 1982.
[14] F. F. Tsvetkov, B. A. Grigoryev. Heat-mass exchange. Moscow. MPEI (Moscow Power Engineering Institute) Publishing House, 2006.
[15] V. E. Kaschavtsev, I. T. Mischenko. Scaling during oil recovery. “Orbita”, 2004.
[16] D. A. Labuntsov. Physical fundamentals of power engineering. MPEI (Moscow Power Engineering Institute) Publishing House, 2000, p. 388.
Author Information
  • Nizhnesortymskneft Oil/Gas Production Division, 12 Ulitsa Entuziastov, Nizhnesortymsky Settlement, Surgut Municipality, Tyumen Region, Russia

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    Adib Akhmetnabievich Gareev. (2019). Regarding the Thermal Behaviour of a Centrifugal Pump for Oil Recovery. Engineering Science, 4(2), 28-33. https://doi.org/10.11648/j.es.20190402.11

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    Adib Akhmetnabievich Gareev. Regarding the Thermal Behaviour of a Centrifugal Pump for Oil Recovery. Eng. Sci. 2019, 4(2), 28-33. doi: 10.11648/j.es.20190402.11

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    AMA Style

    Adib Akhmetnabievich Gareev. Regarding the Thermal Behaviour of a Centrifugal Pump for Oil Recovery. Eng Sci. 2019;4(2):28-33. doi: 10.11648/j.es.20190402.11

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  • @article{10.11648/j.es.20190402.11,
      author = {Adib Akhmetnabievich Gareev},
      title = {Regarding the Thermal Behaviour of a Centrifugal Pump for Oil Recovery},
      journal = {Engineering Science},
      volume = {4},
      number = {2},
      pages = {28-33},
      doi = {10.11648/j.es.20190402.11},
      url = {https://doi.org/10.11648/j.es.20190402.11},
      eprint = {https://download.sciencepg.com/pdf/10.11648.j.es.20190402.11},
      abstract = {The modern world is characterized by increasing consumption of oil and its products. Oil production and consumption is an indicator of the economic level of development. However, there is a depletion of oil reserves in the field. New fields are not productive. Oil production in these fields leads to complications. Centrifugal pumps, which account for about 95% of the world's production, are particularly susceptible to such operational complications. Electric submersible pumps for oil well operation are the most flexible way, easily controlled and automated. Therefore, in low-productive fields, electric submersible pumps are widely used. However, in recent years, the operation of electric centrifugal pumps began to observe complications in the form of failures due to a decrease in the electrical resistance of the "cable – motor" system. Another complication in the operation of the electric centrifugal pump is a decrease in productivity. The third and most widespread complication is salt deposits in the inner cavity of the centrifugal pump. Studies conducted to identify the cause of salt deposition show that the original cause is the properties of reservoir water. However, it was not clear why salts were formed in some cases and not in others. Тhe state of Affairs remained unclear until the investigation of the thermal condition of the electric submersible pump began. It turned out that the centrifugal pump when pumping strongly carbonated liquids rapidly reduce the efficiency. It has been shown that the pump temperature is determined by the properties of the formation fluid and the properties of the centrifugal pump. Salt deposition begins when formation water inside the pump begins to boil. Analytical expressions were obtained to calculate the pump temperature. It turned out that the temperature of the pump also depends on the coefficient of heat transfer from the metal to the gas-liquid mixture and the coefficient of thermal conductivity of the gas layer on the surface of the pump. This work is devoted to obtaining an analytical expression for determining the heat return coefficient. The ability to calculate the pump temperature and determine the boiling pressure of reservoir water at this temperature will predict the deposition of salts in the centrifugal pump.},
     year = {2019}
    }
    

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    AU  - Adib Akhmetnabievich Gareev
    Y1  - 2019/09/17
    PY  - 2019
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    AB  - The modern world is characterized by increasing consumption of oil and its products. Oil production and consumption is an indicator of the economic level of development. However, there is a depletion of oil reserves in the field. New fields are not productive. Oil production in these fields leads to complications. Centrifugal pumps, which account for about 95% of the world's production, are particularly susceptible to such operational complications. Electric submersible pumps for oil well operation are the most flexible way, easily controlled and automated. Therefore, in low-productive fields, electric submersible pumps are widely used. However, in recent years, the operation of electric centrifugal pumps began to observe complications in the form of failures due to a decrease in the electrical resistance of the "cable – motor" system. Another complication in the operation of the electric centrifugal pump is a decrease in productivity. The third and most widespread complication is salt deposits in the inner cavity of the centrifugal pump. Studies conducted to identify the cause of salt deposition show that the original cause is the properties of reservoir water. However, it was not clear why salts were formed in some cases and not in others. Тhe state of Affairs remained unclear until the investigation of the thermal condition of the electric submersible pump began. It turned out that the centrifugal pump when pumping strongly carbonated liquids rapidly reduce the efficiency. It has been shown that the pump temperature is determined by the properties of the formation fluid and the properties of the centrifugal pump. Salt deposition begins when formation water inside the pump begins to boil. Analytical expressions were obtained to calculate the pump temperature. It turned out that the temperature of the pump also depends on the coefficient of heat transfer from the metal to the gas-liquid mixture and the coefficient of thermal conductivity of the gas layer on the surface of the pump. This work is devoted to obtaining an analytical expression for determining the heat return coefficient. The ability to calculate the pump temperature and determine the boiling pressure of reservoir water at this temperature will predict the deposition of salts in the centrifugal pump.
    VL  - 4
    IS  - 2
    ER  - 

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