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Isolated Influence of Microwave Energy and Acidic solution on Wettability Alteration and Hydrocarbon Desorption in Carbonate Reservoir Rocks | ||
| Journal of Chemical and Petroleum Engineering | ||
| مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 01 اردیبهشت 1405 اصل مقاله (2.32 M) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22059/jchpe.2026.400506.1665 | ||
| نویسندگان | ||
| Hadi Tanhaei1؛ Amir Hossein Saeedi Dehaghani* 2 | ||
| 1Department of Petroleum Engineering, Faculty of Chemical Engineering, Tarbiat Modares University, Tehran, Iran | ||
| 2Department of Petroleum Engineering, Faculty of Chemical Engineering, Tarbiat Modares University, Tehran, 14115-143, Iran | ||
| چکیده | ||
| This study investigates the independent effects of microwave irradiation and acidic solutions on wettability alteration and hydrocarbon desorption in carbonate reservoir rocks. Contact angle measurements and ATR-FTIR spectroscopy were employed to analyze both surface wettability changes and molecular-scale modifications. Microwave treatment at 780 W and 1300 W reduced the contact angle from an initially oil-wet state of ~132° to 72° and 69°, respectively, indicating a pronounced shift toward water-wet conditions. FTIR analysis confirmed these observations, showing decreases in the Polar/Aliphatic and Aromatic/Aliphatic indices, which reflect the desorption of polar and aromatic compounds from the rock surface. Acidic solutions produced similar effects, although their efficiency depended on brine composition, hydrochloric acid in deionized water reduced the contact angle to ~57°, while seawater and formation water resulted in weaker changes due to ionic buffering by Ca²⁺ and Mg²⁺. The novelty of this work lies in the separation of microwave and acid effects, demonstrating distinct mechanisms. Microwave irradiation enhances desorption through dielectric heating and bond disruption, whereas acidic solutions act primarily through chemical reactivity and ionic competition. These findings show that both methods independently promote wettability alteration, with efficiency governed by microwave power and brine chemistry. The results provide practical insights for the design of advanced Enhanced Oil Recovery (EOR) strategies, including microwave-assisted stimulation and optimized acidizing treatments in carbonate reservoirs. | ||
| کلیدواژهها | ||
| microwave irradiation؛ acidic solutions؛ wettability alteration؛ ATR-FTIR analysis؛ enhanced oil recovery | ||
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آمار تعداد مشاهده مقاله: 99 تعداد دریافت فایل اصل مقاله: 51 |
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