粘扣是套管接头的失效形式之一，它发生在套管上扣操作过程中的螺纹处。

Gluing is one of the failure forms for casing connection, and it is occurred in the thread during casing makeup.

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连接接头滑脱失效是圆螺纹套管损坏的主要形式。

Pull-out failure is the main damage form of round thread casing connections.

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该接头也许是用螺纹与套管连接在一起，或焊接在一起，以及可能还有一个法兰或卡箍连接与防喷器组或井口配接。

This adapter may be threaded or welded onto the casing, and may have a flanged or clamped connection to match the BOP stack or wellhead.

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