Minireview on Plugging Agents for High-Conductivity Channels in Reservoirs

Minireview on Plugging Agents for High-Conductivity Channels in Reservoirs

Most mature reservoirs in China are facing severe conformance problems causing excessive water production, high water cuts, and low recovery factors due to the severe heterogeneity. Among these conformance problems, high-conductivity channels, such as large fractures and void space conduits, could c...

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Veröffentlicht in:Energy & fuels 2024-10, Vol.38 (20), p.19139-19155
Hauptverfasser: Zhang, Hongjun, Li, Mantian, Cai, Cheng, Zhang, Song, Liu, Weidong, Ma, Zhi, Ding, Bin, Zeng, Jie
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container_end_page 19155
container_issue 20
container_start_page 19139
container_title Energy & fuels
container_volume 38
creator Zhang, Hongjun
Li, Mantian
Cai, Cheng
Zhang, Song
Liu, Weidong
Ma, Zhi
Ding, Bin
Zeng, Jie
description Most mature reservoirs in China are facing severe conformance problems causing excessive water production, high water cuts, and low recovery factors due to the severe heterogeneity. Among these conformance problems, high-conductivity channels, such as large fractures and void space conduits, could cause fast communication between injection and production wells, limiting the sweep efficiency. Therefore, plugging high-conductivity channels plays a crucial role in water/gas flooding and the enhanced oil recovery process. This work systematically elucidates several commonly used plugging agents, including their basic compositions and properties. We summarized the field pilot results and came up with the current problems and several suggestions for the further development direction of plugging agents. Hopefully, this work could provide valuable guidance for plugging high-conductivity channels in mature reservoirs.
doi_str_mv 10.1021/acs.energyfuels.4c02545
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energy
oils
title Minireview on Plugging Agents for High-Conductivity Channels in Reservoirs
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