A New EOR Technology: Gas Alternating Gas Injection

M. Samba, Ibrahim Aldokali, Mahmoud Omran Elsharaf
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引用次数: 3

Abstract

A new method of enhanced oil recovery has been developed and applied to a simulation using some of data from the fifth SPE paper " template from CMG ". The simulator was used in this paper is GEM in the Computer Modelling Group (CMG) advanced equation-of-state (EOS) compositional simulator. The new method is called Gas alternating gas injection(GAG). The Gas Alternating Gas process is a cyclic method of injecting alternating cycles of gas followed by gas and repeating. Sensitivity analysis showed this method can give a much better recovery factor for GAG compared with single continues gas injection. GAG benefits that will give low water cut and high oil recovery due to gas segregation between two gases and that will prevent heavier gas to go the top layers. This work indicate that the GAG injection is an economic method compared with continues injection. Especially when we use GAG (Air + CO2).  
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一种新的EOR技术:气体交替注气
利用SPE第五篇论文“CMG模板”中的一些数据,开发了一种新的提高采收率的方法,并将其应用于模拟。本文使用的模拟器是计算机建模小组(CMG)高级状态方程(EOS)组成模拟器中的GEM。这种新方法被称为气体交替注入(GAG)。气体交替气体工艺是一种交替注入气体,然后注入气体并重复的循环方法。敏感性分析表明,与单次连续注气相比,该方法能给出更好的GAG回收率。GAG的好处是,由于两种气体之间的气体分离,它将提供低含水率和高采油率,并将防止较重的气体进入顶层。这项工作表明,与连续注射相比,GAG注射是一种经济的方法。特别是当我们使用GAG(空气+二氧化碳)时。
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10
审稿时长
8 weeks
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