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Blocking technology with bridge plugs for heavy oil thermal recovery on φ139.7mm casing wells
Author(s): 
Pages: 105-108
Year: Issue:  4
Journal: Oil Drilling & Production Technology

Keyword:  稠油油藏小尺寸套管热采桥塞高温堵水;
Abstract: 采用φ139.7mm套管完井的中、浅薄层低品位复杂小断块稠油油藏,由于油水关系复杂,存在热采井生产见水早,含水上升快,边水突进迅猛的问题.研究开发了φ139.7 mm套管井热采桥塞封堵工艺,对2套堵水工艺管柱进行了介绍,并重点介绍了其中的关键工具--热采丢手接头和集丢手、坐卡、坐封、解封功能于一体的新型φ139.7 mm套管井热采桥塞的结构、工作原理及技术特点.现场应用表明,该技术可以实现小尺寸套...
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