Low Salinity Water-Polymer Flooding in Carbonate Oil Reservoirs: A Critical Review

被引：2
|
作者：
Nascimento, Fabio Pedro [1 ]
Pereira, Veronica de Jesus [1 ]
Bastos, Ladislane dos Santos [1 ]
Costa, Gloria Meyberg Nunes [1 ]
de Melo, Silvio Alexandre Beisl Vieira [1 ]
机构：
[1] Univ Fed Bahia, Programa Posgrad Engn Ind, Escola Politecn, Rua Aristides Novis, 2, Federacao, BR-40210630 Salvador, BA, Brazil
来源：
MACROMOLECULAR REACTION ENGINEERING | 2023年 / 17卷 / 04期
关键词：
carbonates; enhanced oil recovery; low-salinity water; polymer flooding; DETERMINING IONS CA2+; WETTABILITY ALTERATION; RECOVERY; MECHANISMS; CHALK; FIELD; EOR; TEMPERATURE; ADSORPTION; RETENTION;
D O I：
10.1002/mren.202300007
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Low salinity water-polymer flooding (LSWPF) is an emerging hybrid enhanced oil recovery (EOR) method that uses the synergetic effects of low salinity water (LSW) and polymers to enhance both the microscopic and macroscopic sweep efficiencies. Polymer flooding is an EOR method that aims to increase water viscosity and improve the mobility ratio of the injected fluid to the reservoir. It enhances mobility control and reduces water relative permeability, reaching a more favorable condition for sweep efficiency. LSW is an EOR method that aims to change wettability by exploiting crude oil and reservoir rock interactions. It allows for improving oil recovery when the injected water has a very low salinity compared to seawater or formation water. The literature reports LSWPF studies applied to sandstone reservoirs. However, LSWPF applications in carbonate reservoirs still lack. This review critically analyzes LSWPF as an alternative to Polymer flooding using seawater in carbonate reservoirs.
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页数：17
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