Effect of Carbon Dioxide Injection on Limestone Permeability Damage Induced by Alumina Nanoparticles for Enhanced Oil Recovery Applications
نویسندگان
چکیده
Enhanced oil recovery using nanoparticles is a promising method. However, when injected into reservoir, can block pores and cause permeability damage. Therefore, enhancing their performance to lower the damage effect crucial. This study investigated of pH alteration through carbon dioxide (CO2) injection on limestone caused by an aluminum oxide (α-Al2O3) nanofluid. The methodology involved nanofluid alternating CO2 core flooding experiments nanofluids with 4.5 2.8. After flooding, was calculated as percentage reduction in original permeability. results revealed that case 23.23%. In case, 47.53%. 2.8 31.01%. retention confirmed scanning electron microscopy energy dispersive X-ray analysis. Permeability could be attributed large nanoparticles’ agglomeration size, roughness pore surfaces, nanoparticle sedimentation. altering α-Al2O3 effectively reduce limestone.
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ژورنال
عنوان ژورنال: Applied sciences
سال: 2023
ISSN: ['2076-3417']
DOI: https://doi.org/10.3390/app13137446