Study And Analysis Of Miscible Injection Of Carbon Dioxide Gas To Increase Production In One Of Oil Reservoirs In South Of Iran

In this paper has been tried to evaluate the mechanism of miscible injecting of carbon dioxide in one of the oil reservoir in south of Iran and according tothe available data from this reservoir its feasibility is studied.In this reservoir gas injection in WAG mode or, water alternating gas process will be donebecause in this mode we see that gas injection in addition to cost reduction, will increase effectiveness of injected gas and also will prevent from thefingering process.But the carbon dioxide injection in this reservoir because of its miscibility leads to asphaltene deposition,firmly can say that thebiggest limitation in the gas injection in this field may be this agent because oil in this reservoir relatively has high quantities of asphaltene.In this paperalso influences of this process on the reservoir fluid properties will be analyzed.According to the conditions of this reservoir also patterns ofinjection wells are evaluated and as we will see pattern of an injection well in the middle of the production wells due to reasons that will be studied will has the most efficiency in this field.