Experimental Investigation of Immiscible Injection of CO۲ in the Sandstone Sand-packs
Publish place: Third Persian Gulf Oil, Gas and Petrochemical Conference
Publish Year: 1399
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
OGPC03_091
تاریخ نمایه سازی: 12 آبان 1400
Abstract:
This study investigates the effects of various Carbon Dioxide (CO۲) injection methods on immiscible flooding performance using sandstone sand-packs. Gas injection is one of the high efficiency methods of oil recovery. This research includes three experiments, which were performed by continuous CO۲ injection in horizontal direction, continuous CO۲ injection in vertical direction and CO۲ injection in the tertiary state. In all the experiments a sample of dead oil from one of Iran’s southern fields has been used. In the conducted experiments, the effect of CO۲ and sea water flooding on the amount of oil recovery has been investigated. The results of the study suggest that tertiary mode injection with ۶۰.۱% oil recovery has the highest efficiency. Vertical CO۲ injection has ۴۰.۴% oil recovery, and horizontal CO۲ injection has the lowest oil recovery efficiency at ۳۰.۶%.
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Authors
Ebrahim Rashidi
Sahand Oil and Gas Research Institute (SOGRI), Sahand University of Technology (SUT),Tabriz, Iran
Seyed Alireza Tabatabaei Nejad
Faculty of Petroleum and Natural Gas Engineering Department, Sahand University of Technology (SUT), Tabriz, Iran