A Critical Evaluation of Water Coning Correlations in Vertical Wells

Anietie Ndarake Okon; Dulu Appah; Julius Udo Akpabio

doi:doi:10.11648/j.ajset.20180301.11

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A Critical Evaluation of Water Coning Correlations in Vertical Wells

Anietie Ndarake Okon, Dulu Appah, Julius Udo Akpabio

Published in American Journal of Science, Engineering and Technology (Volume 3, Issue 1)

Received: 17 December 2017 Accepted: 3 January 2018 Published: 19 January 2018

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Abstract

In oil and gas production, developing bottom-water reservoirs with active aquifer requires production strategy that can handle production-rate-sensitive phenomenon – water coning. The coned water that moves into the completion interval results in production related problems: excessive water production, surface water handling, low oil productivity, among others. To this end, several correlations: critical rate, breakthrough time and water-cut performance after breakthrough have been developed based on analytical, empirical and numerical approach to evaluate water coning tendencies in petroleum reservoirs. Some of the developed correlations have gained field application. However, limited literatures are available that have evaluated the prediction of these water coning correlations. Thus, the various water coning correlations for vertical well were evaluated and the obtained results show that most correlations have the same prediction profile. Conversely, these correlations predicted different coning parameters’ value. Further analysis of the results depicts that critical production rate and breakthrough time in vertical wells are indirectly dependent on fractional well penetration. In addition, the correlations developed from water-cut data for the prediction of water-cut performance after breakthrough indicate more realistic predictions in the water-cut profile than the correlations developed from water-oil ratio. Therefore, to delay water coning tendency in bottom-water reservoirs, fractional well penetration is a consideration in vertical wells to establish optimum critical oil rate and breakthrough time during oil and gas production.

Published in	American Journal of Science, Engineering and Technology (Volume 3, Issue 1)
DOI	10.11648/j.ajset.20180301.11
Page(s)	1-9
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), 2018. Published by Science Publishing Group

Keywords

Bottom-Water Reservoirs, Water Coning Correlations, Critical Rate, Breakthrough Time, Water-Cut Performance, Vertical Well

References

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APA Style

Anietie Ndarake Okon, Dulu Appah, Julius Udo Akpabio. (2018). A Critical Evaluation of Water Coning Correlations in Vertical Wells. American Journal of Science, Engineering and Technology, 3(1), 1-9. https://doi.org/10.11648/j.ajset.20180301.11

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ACS Style

Anietie Ndarake Okon; Dulu Appah; Julius Udo Akpabio. A Critical Evaluation of Water Coning Correlations in Vertical Wells. Am. J. Sci. Eng. Technol. 2018, 3(1), 1-9. doi: 10.11648/j.ajset.20180301.11

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AMA Style

Anietie Ndarake Okon, Dulu Appah, Julius Udo Akpabio. A Critical Evaluation of Water Coning Correlations in Vertical Wells. Am J Sci Eng Technol. 2018;3(1):1-9. doi: 10.11648/j.ajset.20180301.11

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@article{10.11648/j.ajset.20180301.11,
  author = {Anietie Ndarake Okon and Dulu Appah and Julius Udo Akpabio},
  title = {A Critical Evaluation of Water Coning Correlations in Vertical Wells},
  journal = {American Journal of Science, Engineering and Technology},
  volume = {3},
  number = {1},
  pages = {1-9},
  doi = {10.11648/j.ajset.20180301.11},
  url = {https://doi.org/10.11648/j.ajset.20180301.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajset.20180301.11},
  abstract = {In oil and gas production, developing bottom-water reservoirs with active aquifer requires production strategy that can handle production-rate-sensitive phenomenon – water coning. The coned water that moves into the completion interval results in production related problems: excessive water production, surface water handling, low oil productivity, among others. To this end, several correlations: critical rate, breakthrough time and water-cut performance after breakthrough have been developed based on analytical, empirical and numerical approach to evaluate water coning tendencies in petroleum reservoirs. Some of the developed correlations have gained field application. However, limited literatures are available that have evaluated the prediction of these water coning correlations. Thus, the various water coning correlations for vertical well were evaluated and the obtained results show that most correlations have the same prediction profile. Conversely, these correlations predicted different coning parameters’ value. Further analysis of the results depicts that critical production rate and breakthrough time in vertical wells are indirectly dependent on fractional well penetration. In addition, the correlations developed from water-cut data for the prediction of water-cut performance after breakthrough indicate more realistic predictions in the water-cut profile than the correlations developed from water-oil ratio. Therefore, to delay water coning tendency in bottom-water reservoirs, fractional well penetration is a consideration in vertical wells to establish optimum critical oil rate and breakthrough time during oil and gas production.},
 year = {2018}
}

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TY  - JOUR
T1  - A Critical Evaluation of Water Coning Correlations in Vertical Wells
AU  - Anietie Ndarake Okon
AU  - Dulu Appah
AU  - Julius Udo Akpabio
Y1  - 2018/01/19
PY  - 2018
N1  - https://doi.org/10.11648/j.ajset.20180301.11
DO  - 10.11648/j.ajset.20180301.11
T2  - American Journal of Science, Engineering and Technology
JF  - American Journal of Science, Engineering and Technology
JO  - American Journal of Science, Engineering and Technology
SP  - 1
EP  - 9
PB  - Science Publishing Group
SN  - 2578-8353
UR  - https://doi.org/10.11648/j.ajset.20180301.11
AB  - In oil and gas production, developing bottom-water reservoirs with active aquifer requires production strategy that can handle production-rate-sensitive phenomenon – water coning. The coned water that moves into the completion interval results in production related problems: excessive water production, surface water handling, low oil productivity, among others. To this end, several correlations: critical rate, breakthrough time and water-cut performance after breakthrough have been developed based on analytical, empirical and numerical approach to evaluate water coning tendencies in petroleum reservoirs. Some of the developed correlations have gained field application. However, limited literatures are available that have evaluated the prediction of these water coning correlations. Thus, the various water coning correlations for vertical well were evaluated and the obtained results show that most correlations have the same prediction profile. Conversely, these correlations predicted different coning parameters’ value. Further analysis of the results depicts that critical production rate and breakthrough time in vertical wells are indirectly dependent on fractional well penetration. In addition, the correlations developed from water-cut data for the prediction of water-cut performance after breakthrough indicate more realistic predictions in the water-cut profile than the correlations developed from water-oil ratio. Therefore, to delay water coning tendency in bottom-water reservoirs, fractional well penetration is a consideration in vertical wells to establish optimum critical oil rate and breakthrough time during oil and gas production.
VL  - 3
IS  - 1
ER  -

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Author Information

Anietie Ndarake Okon

Department of Chemical and Petroleum Engineering, University of Uyo, Uyo, Nigeria
Dulu Appah

Department of Gas Engineering, University of Port Harcourt, Port Harcourt, Nigeria
Julius Udo Akpabio

Department of Chemical and Petroleum Engineering, University of Uyo, Uyo, Nigeria

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Plain Text BibTeX RIS

APA Style

Anietie Ndarake Okon, Dulu Appah, Julius Udo Akpabio. (2018). A Critical Evaluation of Water Coning Correlations in Vertical Wells. American Journal of Science, Engineering and Technology, 3(1), 1-9. https://doi.org/10.11648/j.ajset.20180301.11

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ACS Style

Anietie Ndarake Okon; Dulu Appah; Julius Udo Akpabio. A Critical Evaluation of Water Coning Correlations in Vertical Wells. Am. J. Sci. Eng. Technol. 2018, 3(1), 1-9. doi: 10.11648/j.ajset.20180301.11

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AMA Style

Anietie Ndarake Okon, Dulu Appah, Julius Udo Akpabio. A Critical Evaluation of Water Coning Correlations in Vertical Wells. Am J Sci Eng Technol. 2018;3(1):1-9. doi: 10.11648/j.ajset.20180301.11

Copy | Download

@article{10.11648/j.ajset.20180301.11,
  author = {Anietie Ndarake Okon and Dulu Appah and Julius Udo Akpabio},
  title = {A Critical Evaluation of Water Coning Correlations in Vertical Wells},
  journal = {American Journal of Science, Engineering and Technology},
  volume = {3},
  number = {1},
  pages = {1-9},
  doi = {10.11648/j.ajset.20180301.11},
  url = {https://doi.org/10.11648/j.ajset.20180301.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajset.20180301.11},
  abstract = {In oil and gas production, developing bottom-water reservoirs with active aquifer requires production strategy that can handle production-rate-sensitive phenomenon – water coning. The coned water that moves into the completion interval results in production related problems: excessive water production, surface water handling, low oil productivity, among others. To this end, several correlations: critical rate, breakthrough time and water-cut performance after breakthrough have been developed based on analytical, empirical and numerical approach to evaluate water coning tendencies in petroleum reservoirs. Some of the developed correlations have gained field application. However, limited literatures are available that have evaluated the prediction of these water coning correlations. Thus, the various water coning correlations for vertical well were evaluated and the obtained results show that most correlations have the same prediction profile. Conversely, these correlations predicted different coning parameters’ value. Further analysis of the results depicts that critical production rate and breakthrough time in vertical wells are indirectly dependent on fractional well penetration. In addition, the correlations developed from water-cut data for the prediction of water-cut performance after breakthrough indicate more realistic predictions in the water-cut profile than the correlations developed from water-oil ratio. Therefore, to delay water coning tendency in bottom-water reservoirs, fractional well penetration is a consideration in vertical wells to establish optimum critical oil rate and breakthrough time during oil and gas production.},
 year = {2018}
}

Copy | Download

TY  - JOUR
T1  - A Critical Evaluation of Water Coning Correlations in Vertical Wells
AU  - Anietie Ndarake Okon
AU  - Dulu Appah
AU  - Julius Udo Akpabio
Y1  - 2018/01/19
PY  - 2018
N1  - https://doi.org/10.11648/j.ajset.20180301.11
DO  - 10.11648/j.ajset.20180301.11
T2  - American Journal of Science, Engineering and Technology
JF  - American Journal of Science, Engineering and Technology
JO  - American Journal of Science, Engineering and Technology
SP  - 1
EP  - 9
PB  - Science Publishing Group
SN  - 2578-8353
UR  - https://doi.org/10.11648/j.ajset.20180301.11
AB  - In oil and gas production, developing bottom-water reservoirs with active aquifer requires production strategy that can handle production-rate-sensitive phenomenon – water coning. The coned water that moves into the completion interval results in production related problems: excessive water production, surface water handling, low oil productivity, among others. To this end, several correlations: critical rate, breakthrough time and water-cut performance after breakthrough have been developed based on analytical, empirical and numerical approach to evaluate water coning tendencies in petroleum reservoirs. Some of the developed correlations have gained field application. However, limited literatures are available that have evaluated the prediction of these water coning correlations. Thus, the various water coning correlations for vertical well were evaluated and the obtained results show that most correlations have the same prediction profile. Conversely, these correlations predicted different coning parameters’ value. Further analysis of the results depicts that critical production rate and breakthrough time in vertical wells are indirectly dependent on fractional well penetration. In addition, the correlations developed from water-cut data for the prediction of water-cut performance after breakthrough indicate more realistic predictions in the water-cut profile than the correlations developed from water-oil ratio. Therefore, to delay water coning tendency in bottom-water reservoirs, fractional well penetration is a consideration in vertical wells to establish optimum critical oil rate and breakthrough time during oil and gas production.
VL  - 3
IS  - 1
ER  -

Copy | Download