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由河南南阳石油机械厂开发的钻机、修井机三节套装井架 ,最近获得国家专利。钻机或修井机通常配置一种由上、下体两节井架单体套装的井架。这种井架的上体从下体的端口穿入 ,通过液压或机械伸缩机构实现上体从下体的伸出或缩回。为满足钻井或修井作业时井架工作高度和安全空间
Developed by Henan Nanyang Petroleum Machinery Factory drilling rig, workover rig three sets of derrick, recently won the national patent. Drilling rig or workover rig is usually equipped with a derrick with two sets of upper and lower body derricks. The upper body of the derrick penetrates through the port of the lower body and extends or retracts the upper body from the lower body through a hydraulic or mechanical telescopic mechanism. To meet the drilling or workover derrick work height and safety space