Briefly introduces the workflow of the automatic oil field pipe production line. Use the nets which are composed of PLCs, PCs and equipments to do the real-time control and management.

• 摘要简述采油套管自动线的工作流程，利用多层网络使多个PLC之间、PLC与上位机之间及上位机与各设备之间相联，实现工作过程的实时监控和生产数据的实时管理。