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Prediction of Productivity Index for Horizontal Well
Author(s): 
Pages: 39-41
Year: Issue:  3
Journal: FAULT-BLOCK OIL AND GAS FIELD

Keyword:  水平井采油指数伤害压降;
Abstract: 由于水平井水平段井筒摩擦的存在,长水平井的产能不随水平段长度的增加而按比例无限制地增加,因此提出一种新的方法来预测长水平井在考虑井筒摩擦损失时的采油指数,该模型考虑水平井井眼附近地层的损害.研究表明,水平段长度存在一个临界点,使得井筒压降梯度突然增大而采油指数增长率突然减小.此研究可以为水平井现场设计提供理论依据.
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