For improving need assembling the casing head, the cutting casing pipe on project, we have designed the device of cutting casing head to change unfavorable factors using acetylene gas to cut case.

为满足在钻井施工中安装套管头、切割套管的需要，改变乙炔气割影响施工质量和时效的不利因素，设计了一种套管切割机。

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For improving need assembling the casing head, the cutting casing pipe on project, we have designed the device of cutting casing head to change unfavorable factors using acetylene gas to cut case.

为满足在钻井施工中安装套管头、切割套管的需要，改变乙炔气割影响施工质量和时效的不利因素，设计了一种套管切割机。

youdao