摘要
分析了方钻杆旋塞阀的结构特点,提出了2种旋塞阀的工艺改进方法,提高了工作效率,具有推广应用价值。
The analysis of kelly cock valve structure was made to implement the research on its processing. Two methods were proposed for the improvement of processing to increase working efficiency. It is used as a reference for its application on site.
出处
《石油矿场机械》
2009年第3期85-87,共3页
Oil Field Equipment
