Title: The Study to Oil Displacement Mechanisms and Adaptability of Unstable-water Flooding in the Stage of Extra-high Watercut
Abstract: The development of oilfields in Eastern China is mostly water flooding,with these oilfields entering into extra high water cut period. The effort becomes worse and worse,which makes tapping potentiality more difficult.In order to use the unstable water injection technology to develop those oilfields efficiently for enhancing oil recovery,it is necessary to make clear for the enhanced oil recovery mechanisms and the conditions of unstable water injection. This article,based on the Shuanghe oilfield 437Ⅱ1- 2 fault block,uses reservoir engineering and numerical simulation method,studies the enhanced oil recovery mechanisms and finds applicable conditions of unstable water injection in super high water cut stage to provide the basis for field practices.
Publication Year: 2014
Publication Date: 2014-01-01
Language: en
Type: article
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