介绍了防转胶塞及配套浮箍的结构、原理和在技术套管固井中的应用情况。

The configuration and principle of anti rotary plug and necessary float collars and their applications in intermediate casing cementing are introduced.

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随着顶部胶塞通过胶塞定位浮箍达到相应浮箍位置，水泥在压力指示确认下完成顶替过程。

Cement was displaced with pressure indications observed as the top plugs passed through the plug-locator collar and the top wiper plugs bumped on the respective float collars.

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浮箍是放置于浮动接头之上的，而浮鞋则是放置于浮动接头之下，以防止水泥浆回流到套管内。

A float collar is placed at the top of the float joint and a float shoe placed at the bottom to prevent reverse flow of cement back into the casing after placement.

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