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对漏失严重的油井,在封井、封窜等工艺中使用EZ可钻式SV型挤压桥塞,经塘沽渤海石油公司采油处实践,是一种可行的井下工具,现简单介绍如下。1.EZ—SV桥塞和座封工具的结构与原理
EZ drillable SV-type squeeze bridge plugs are used in the process of well closure and sealing channeling for well-drained oil wells. After being practiced by the oil recovery department of Bohai Petroleum Company in Tanggu, this is a feasible downhole tool and is briefly described as follows. 1.EZ-SV bridge plug and seat sealing tool structure and principle