To evaluate the oil recovering in a reservoir producing at the bubble-point pressure, we performed numerical simulations using a sandbox model and a black oil approach for the reservoir, and the tool-kit CFD software OpenFOAM. A new solver treats the three-phase dynamics of the oil-water-gas in the reservoir. The calculation includes four cases with different pressures of the injection and production wells to explore the free gas formation. Our results show that even keeping constant the pressure unbalance between the injection and production wells, we observe different dynamics. There is no gas formation and a typical production profile results if the bottom-hole pressure is just above the bubble-point in the injection and production wells. In case only the production well bottom-hole pressure is just below the bubble-point, we see no gas formation near the injection well and oscillatory gas formation around the production well. We see a triphasic flow along with the whole domain if both bottom-hole pressures are just below the bubble-point. However, if the bottom-hole pressure in both wells goes further below, the gas flow rate no more oscillates and the gas formation becomes continuous. We have also treated a special case to analyze the influence of gravity on the triphasic flow. Here we observed the gravity segregation to be not significant.
| Published in | American Journal of Chemical Engineering (Volume 9, Issue 4) |
| DOI | 10.11648/j.ajche.20210904.14 |
| Page(s) | 101-111 |
| 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), 2021. Published by Science Publishing Group |
Reservoir Simulation, Three-phase Flow, Porous Media, Computational Fluid Dynamics
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APA Style
Antonio Fernando Britto, Ivan Costa da Cunha Lima, Andre Telles da Cunha Lima. (2021). Influence of Bubble-point Pressure on the Gas Formation in an Oil Reservoir Under Water Injection. American Journal of Chemical Engineering, 9(4), 101-111. https://doi.org/10.11648/j.ajche.20210904.14
ACS Style
Antonio Fernando Britto; Ivan Costa da Cunha Lima; Andre Telles da Cunha Lima. Influence of Bubble-point Pressure on the Gas Formation in an Oil Reservoir Under Water Injection. Am. J. Chem. Eng. 2021, 9(4), 101-111. doi: 10.11648/j.ajche.20210904.14
AMA Style
Antonio Fernando Britto, Ivan Costa da Cunha Lima, Andre Telles da Cunha Lima. Influence of Bubble-point Pressure on the Gas Formation in an Oil Reservoir Under Water Injection. Am J Chem Eng. 2021;9(4):101-111. doi: 10.11648/j.ajche.20210904.14
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Download@article{10.11648/j.ajche.20210904.14,
author = {Antonio Fernando Britto and Ivan Costa da Cunha Lima and Andre Telles da Cunha Lima},
title = {Influence of Bubble-point Pressure on the Gas Formation in an Oil Reservoir Under Water Injection},
journal = {American Journal of Chemical Engineering},
volume = {9},
number = {4},
pages = {101-111},
doi = {10.11648/j.ajche.20210904.14},
url = {https://doi.org/10.11648/j.ajche.20210904.14},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajche.20210904.14},
abstract = {To evaluate the oil recovering in a reservoir producing at the bubble-point pressure, we performed numerical simulations using a sandbox model and a black oil approach for the reservoir, and the tool-kit CFD software OpenFOAM. A new solver treats the three-phase dynamics of the oil-water-gas in the reservoir. The calculation includes four cases with different pressures of the injection and production wells to explore the free gas formation. Our results show that even keeping constant the pressure unbalance between the injection and production wells, we observe different dynamics. There is no gas formation and a typical production profile results if the bottom-hole pressure is just above the bubble-point in the injection and production wells. In case only the production well bottom-hole pressure is just below the bubble-point, we see no gas formation near the injection well and oscillatory gas formation around the production well. We see a triphasic flow along with the whole domain if both bottom-hole pressures are just below the bubble-point. However, if the bottom-hole pressure in both wells goes further below, the gas flow rate no more oscillates and the gas formation becomes continuous. We have also treated a special case to analyze the influence of gravity on the triphasic flow. Here we observed the gravity segregation to be not significant.},
year = {2021}
}
TY - JOUR T1 - Influence of Bubble-point Pressure on the Gas Formation in an Oil Reservoir Under Water Injection AU - Antonio Fernando Britto AU - Ivan Costa da Cunha Lima AU - Andre Telles da Cunha Lima Y1 - 2021/08/31 PY - 2021 N1 - https://doi.org/10.11648/j.ajche.20210904.14 DO - 10.11648/j.ajche.20210904.14 T2 - American Journal of Chemical Engineering JF - American Journal of Chemical Engineering JO - American Journal of Chemical Engineering SP - 101 EP - 111 PB - Science Publishing Group SN - 2330-8613 UR - https://doi.org/10.11648/j.ajche.20210904.14 AB - To evaluate the oil recovering in a reservoir producing at the bubble-point pressure, we performed numerical simulations using a sandbox model and a black oil approach for the reservoir, and the tool-kit CFD software OpenFOAM. A new solver treats the three-phase dynamics of the oil-water-gas in the reservoir. The calculation includes four cases with different pressures of the injection and production wells to explore the free gas formation. Our results show that even keeping constant the pressure unbalance between the injection and production wells, we observe different dynamics. There is no gas formation and a typical production profile results if the bottom-hole pressure is just above the bubble-point in the injection and production wells. In case only the production well bottom-hole pressure is just below the bubble-point, we see no gas formation near the injection well and oscillatory gas formation around the production well. We see a triphasic flow along with the whole domain if both bottom-hole pressures are just below the bubble-point. However, if the bottom-hole pressure in both wells goes further below, the gas flow rate no more oscillates and the gas formation becomes continuous. We have also treated a special case to analyze the influence of gravity on the triphasic flow. Here we observed the gravity segregation to be not significant. VL - 9 IS - 4 ER -
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