Parametric Investigation of WAG Injection Process in Naturally Fractured Reservoirs
Publish place: 06th International Congress on Chemical Engineering
Publish Year: 1388
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICHEC06_546
تاریخ نمایه سازی: 1 مهر 1388
Abstract:
The WAG injection projects are categorized as a successful group of EOR processes as indicated by field statistics all over the world. However, according to the economical aspects, fluid properties and also the complexity of the reservoir rock, the operating parameters of WAG in fractured reservoirs should be controlled to obtain economic rates and recoveries. This study addresses a parametric study of the WAG process and its performance on a fractured model. The purpose of this study is to investigate the efficiency of the WAG process compared with water and gas injection using a commercial reservoir simulator. The simulation studies are run on a synthetic fractured model with real PVT data of the reservoir fluid in order to perform a qualitative study of the parameters which are crucial for a WAG process design. These parameters are then sum up to find the best scenario of production from the real reservoir. The fluid injection scenarios are defined as water, gas and WAG injection and their performance in terms of oil recovery factor, production GOR and reservoir pressure are compared with each other. Both gas and WAG injection processes are run in immiscible conditions. Based on the results of this study it is shown that the WAG injection process can be optimized inorder to have more efficiency than either water or gas injection alone. In addition to lower costs, the production conditions are more desirable.
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Authors
S . A Farzaneh
۱I.A.U. Shiraz Branch,
A . A Dehghan
۲Sharif University of Technology,
M Khani
Young Researchers Club of I.A.U. Marvdasht Branch,
R Kharrat
Petroleum University of Technology
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