Experimental Study of Gel Polymer Treatment for Water Shut off in Producing Wells of Iranian oil Reservoir (Ahvaz-Asemari)
محل انتشار: یازدهمین کنگره ملی مهندسی شیمی ایران
سال انتشار: 1385
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 2,642
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شناسه ملی سند علمی:
NICEC11_608
تاریخ نمایه سازی: 4 اردیبهشت 1386
چکیده مقاله:
Water shutoff in producing wells in mature reservoir is a major challenge in petroleum engineering. The high producing rate and reservoir heterogeneity are one of the main causes of high water cut in producing wells. Decreases in oil production capacity and disposal water treatment are the major issues from economical point of view. Water coning is one of the main sources of water production from Iranian oil reservoir. There are several processes for water reducing depending to physical properties of oil reservoirs, e.g.: Horizontal well, dual perforation, cementing, oil flow rate reduction, and gel polymer application. In this study, we investigated how chromium-polyacrylamide gel polymers reduce permeability to water in Iranian oil reservoir porous rock. In the laboratory, Many static tests were performed for determining the best gel polymer with the most
phase stability, gel strength and gelation time. During dynamic tests, coreflood experiments were fulfilled to assess performance of gel polymer in porous media. Experiments were carried out at one of the Iranian oil reservoir condition in the Southern of Iran. Base on the experimental results, chromium-polyacrylamide gel polymers can undergo pressure difference about 50 bar with out any instability in porous condition. In this set of experiments, water permeability is decreased averagely up to 50 times to initial value
کلیدواژه ها:
نویسندگان
Vali Ahmad sajjadian
NIOC, Arvandan Oil Company
Mohammad Simjoo
Oil, Gas and Thermodynamic Group, Tarbiat Modares University, Ahvaz, Iran
Mohsen Vafaie Seftie
Oil, Gas and Thermodynamic Group, Tarbiat Modares University, Ahvaz, Iran
Reza Hasheminasab Zavareh
Oil, Gas and Thermodynamic Group, Tarbiat Modares University, Ahvaz, Iran
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