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LOW SALINITY WATER INJECTION AT DIFFERENT RESERVOIR ROCKS: SIMILARITIES AND DIFFERENCES

巻 7, 発行 1, 2016, pp. 87-97
DOI: 10.1615/SpecialTopicsRevPorousMedia.v7.i1.80
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要約

A literature review of laboratory and field scale studies on low salinity water (LSW) injection showed that the salinity and composition of injected water can have a significant impact on oil recovery. Historically, extensive research has been completed to understand the mechanisms and factors affecting LSW injection. However, although numerous mechanisms have been proposed to describe the interactions in the target process, none have been widely accepted. In this study, waterflooding tests were used to investigate the advantages, disadvantages, and effect of LSW injection. In laboratory tests, two different brines and crude oil of one of Iran's southern reservoirs were used to assess the oil recovery factor and the role of wettability alteration. The study aim was to investigate the relationship between wettability alterations and enhancements to the oil recovery factor during LSW injection in sandstone and carbonate samples. The results show that LSW injection results in a change in the wettability from oil-wet to mixed-wet conditions. This alteration causes a slight improvement in oil recovery from sandstone samples. Furthermore, when reducing the salinity of the injection fluid into carbonate samples, which lowers the concentration of active ions, no further increase in the water-wet state is observed.

によって引用された
  1. Yakasai Faruk, Jaafar Mohd Zaidi, Bandyopadhyay Sulalit, Agi Augustine, Current developments and future outlook in nanofluid flooding: A comprehensive review of various parameters influencing oil recovery mechanisms, Journal of Industrial and Engineering Chemistry, 93, 2021. Crossref

  2. Okhovat Mohammad Reza, Hassani Kamran, Rostami Behzad, Khosravi Maryam, Experimental studies of CO2-brine-rock interaction effects on permeability alteration during CO2-EOR, Journal of Petroleum Exploration and Production Technology, 10, 6, 2020. Crossref

  3. Horeh Mohsen B., Hassani Kamran, Rostami Behzad, Ghorbanizadeh Salman, Synergistic effect of salt ions and water‐soluble amphiphilic compounds of acidic crude oil on surface and interfacial tension , The Canadian Journal of Chemical Engineering, 100, 1, 2022. Crossref

  4. Mahmoudpour Maziar, Pourafshary Peyman, Moradi Babak, Rasaei Mohammad Reza, Hassani Kamran, Reduction of Residual Oil in Oil-Wet Carbonate Formations by Application of Hybrid Smart Water/Silica Nanofluid Enhanced Oil Recovery Method, Day 4 Fri, March 25, 2022, 2022. Crossref

  5. Babakhani Dehkordi Parham, Razavirad Fatemeh, Shahrabadi Abbas, Pore-Scale Displacement of Heavy Crude Oil During Low Salinity Water Flooding, Transport in Porous Media, 145, 1, 2022. Crossref

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