Oil production from bottom-water drive reservoirs is characterized by water production related problem - water coning. Most times, horizontal wells are used to attenuate this production challenge. That notwithstanding, overtime, depending on the production rate, water coning is also experienced with horizontal wells. Therefore, several correlations have been developed to predict the critical rate, breakthrough time and water-cut performance after breakthrough in horizontal wells. However, limited studies have evaluated the predictions of these developed water coning correlations. Therefore, an evaluation has been made to predict the various water coning correlations in horizontal wells. The obtained results show that the critical rate directly depends on the stand-off to drainage width and horizontal well length to drainage width ratios. Also, it is shown that the breakthrough time directly depends on the horizontal well length to drainage width ratio. Furthermore, the correlations developed from water-cut data for the prediction of post-water behaviour (i.e., water-cut performance) after breakthrough indicate more proficient water-cut profile than the correlations developed from water-oil ratio. Therefore, to prolong the occurrence of water coning in horizontal wells, the ratios of stand-off to drainage width and horizontal well length to drainage width should be considered to achieve maximum critical oil rate and breakthrough time in bottom-water reservoirs.
| Published in | Engineering and Applied Sciences (Volume 3, Issue 1) |
| DOI | 10.11648/j.eas.20180301.14 |
| Page(s) | 21-28 |
| 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 |
Bottom-Water Reservoir, Water Coning Prediction, Critical Rate, Breakthrough Time, Water-Cut Performance, Horizontal Wells
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APA Style
Anietie Ndarake Okon, Dulu Appah. (2018). Water Coning Prediction: An Evaluation of Horizontal Well Correlations. Engineering and Applied Sciences, 3(1), 21-28. https://doi.org/10.11648/j.eas.20180301.14
ACS Style
Anietie Ndarake Okon; Dulu Appah. Water Coning Prediction: An Evaluation of Horizontal Well Correlations. Eng. Appl. Sci. 2018, 3(1), 21-28. doi: 10.11648/j.eas.20180301.14
AMA Style
Anietie Ndarake Okon, Dulu Appah. Water Coning Prediction: An Evaluation of Horizontal Well Correlations. Eng Appl Sci. 2018;3(1):21-28. doi: 10.11648/j.eas.20180301.14
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Download@article{10.11648/j.eas.20180301.14,
author = {Anietie Ndarake Okon and Dulu Appah},
title = {Water Coning Prediction: An Evaluation of Horizontal Well Correlations},
journal = {Engineering and Applied Sciences},
volume = {3},
number = {1},
pages = {21-28},
doi = {10.11648/j.eas.20180301.14},
url = {https://doi.org/10.11648/j.eas.20180301.14},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.eas.20180301.14},
abstract = {Oil production from bottom-water drive reservoirs is characterized by water production related problem - water coning. Most times, horizontal wells are used to attenuate this production challenge. That notwithstanding, overtime, depending on the production rate, water coning is also experienced with horizontal wells. Therefore, several correlations have been developed to predict the critical rate, breakthrough time and water-cut performance after breakthrough in horizontal wells. However, limited studies have evaluated the predictions of these developed water coning correlations. Therefore, an evaluation has been made to predict the various water coning correlations in horizontal wells. The obtained results show that the critical rate directly depends on the stand-off to drainage width and horizontal well length to drainage width ratios. Also, it is shown that the breakthrough time directly depends on the horizontal well length to drainage width ratio. Furthermore, the correlations developed from water-cut data for the prediction of post-water behaviour (i.e., water-cut performance) after breakthrough indicate more proficient water-cut profile than the correlations developed from water-oil ratio. Therefore, to prolong the occurrence of water coning in horizontal wells, the ratios of stand-off to drainage width and horizontal well length to drainage width should be considered to achieve maximum critical oil rate and breakthrough time in bottom-water reservoirs.},
year = {2018}
}
TY - JOUR T1 - Water Coning Prediction: An Evaluation of Horizontal Well Correlations AU - Anietie Ndarake Okon AU - Dulu Appah Y1 - 2018/03/14 PY - 2018 N1 - https://doi.org/10.11648/j.eas.20180301.14 DO - 10.11648/j.eas.20180301.14 T2 - Engineering and Applied Sciences JF - Engineering and Applied Sciences JO - Engineering and Applied Sciences SP - 21 EP - 28 PB - Science Publishing Group SN - 2575-1468 UR - https://doi.org/10.11648/j.eas.20180301.14 AB - Oil production from bottom-water drive reservoirs is characterized by water production related problem - water coning. Most times, horizontal wells are used to attenuate this production challenge. That notwithstanding, overtime, depending on the production rate, water coning is also experienced with horizontal wells. Therefore, several correlations have been developed to predict the critical rate, breakthrough time and water-cut performance after breakthrough in horizontal wells. However, limited studies have evaluated the predictions of these developed water coning correlations. Therefore, an evaluation has been made to predict the various water coning correlations in horizontal wells. The obtained results show that the critical rate directly depends on the stand-off to drainage width and horizontal well length to drainage width ratios. Also, it is shown that the breakthrough time directly depends on the horizontal well length to drainage width ratio. Furthermore, the correlations developed from water-cut data for the prediction of post-water behaviour (i.e., water-cut performance) after breakthrough indicate more proficient water-cut profile than the correlations developed from water-oil ratio. Therefore, to prolong the occurrence of water coning in horizontal wells, the ratios of stand-off to drainage width and horizontal well length to drainage width should be considered to achieve maximum critical oil rate and breakthrough time in bottom-water reservoirs. VL - 3 IS - 1 ER -
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