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P. Pourafshary

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Open access Sep 2026

Ion Modification of Hybrid Low-Salinity Enhanced Oil Recovery Methods for Improved Spontaneous Imbibition in Fractured Carbonate Reservoirs

Spontaneous imbibition (SI) is the key mechanism governing oil production in fractured carbonates, where capillary forces drive oil from the low-permeability matrix into the fractures. Its application is limited by the strongly oil-wet nature of carbonate rocks and by high interfacial tension (IFT), which restrict the...

Dilyara Sagandykova, Ulys Sadirbay, P. Pourafshary · 0 citations
Conference Open access Oct 2026

Experimental Evaluation of Relative Permeability Modifiers Application to Control Water Cut in Fields in Kazakhstan

Excessive water production is a major problem in mature oil fields because it reduces oil-production efficiency and increases lifting, separation, and water-handling costs. This issue is especially relevant for Kazakhstan reservoirs, many of which are characterized by high water cut after long-term waterflooding. Rel...

Shynggys Aitkazy, P. Pourafshary · 0 citations

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