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顶驱泥浆连接管焊接工艺

JIXIE ZHIZAO WENZHAI(HANJIE FENCE)(2020)

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Abstract
顶驱上的泥浆连接管是钻井泥浆循环通道的一部分,受结构限制,只能焊接而成.为保证焊接质量,文中分析了70MPa连接管材料的焊接性能,计算了壁厚,给出了焊接工艺参数,通过焊前预热、控制层间温度及焊后保温等手段,获得了满意的焊缝,也为类似材料的设计及焊接提供了参考.
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