Water well drill rod for eue in even -like, attaches according to the petroleum drilling tool size processing, also may defer to the user request processing.
水井钻杆为外加厚内平式，接头按照石油钻具尺寸加工，也可按照用户要求加工。
The invention relates to a screw rod drilling tool used for petroleum drilling, and particularly relates to the technical field of petroleum drilling equipment.
本发明涉及一种用于石油钻井的螺杆钻具，具体涉及石油钻探设备技术领域。
Short drill Pipe Short drill rod is a tool for adjusting drilling tool spaced length to reach a certain technical purpose in drilling engineering.
短钻杆是钻井过程中调整钻具间隔长度以达到某种技术目地的工具。
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