Performance of Sulfonated Polyacrylamide/Chromium Triacetate Hydrogels for Water Shut-off Treatment
Publish Year: 1390
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JPSTR-1-2_001
تاریخ نمایه سازی: 29 آذر 1402
Abstract:
A hydrogel was prepared by crosslinking aqueous solutions of sulfonated polyacrylamide/chromium triacetate for use in water shut off operations. Gel swelling and the effects of salinity, injection time and flow rate on residual resistance factor (Frr) were investigated. In the presence of electrolytes, gel swelling decreased by about ۸۰%. Results showed that oil permeability increased as injection time increased. The results also indicated that the effect of gel treatment increased with decreasing injection rate. However, when sand packed was water flooded by formation water, Frrw decreased by about ۲۶%. According to the results, Disproportionate Permeability Reduction (DPR) was the result of gel swelling by water injection and dehydration by oil injection.
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Authors
A. Dadvand Koohi
Chemical Engineering Department, Guilan University, Rasht, Iran
M. Vafaie Sefti
Chemical Engineering Department, Tarbiat Modares University, Jalal Al Ahmad Highway, Tehran, Iran
A. Zarrin Ghalam
Chemical Engineering Department, Tarbiat Modares University, Jalal Al Ahmad Highway, Tehran, Iran
A. Mousavi Moghadam
Oil, Gas and Thermodynamic TMU Research Group, Tehran, Iran
H. Naderi
Center for Exploration and Production Studies and Research Division, Research Institute of Petroleum Industry (RIPI)
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