Large size horizontal directional crossing drill pipe
As the difficulty of traversing increases, the requirements for traversing drilling tools also increase. Insufficient rigidity and buckling strength of conventional drill pipe in long-distance horizontal directional crossing project results in the phenomenon of "rope throw" of drill pipe, and the pipe body is prone to fracture fatigue failure. It is difficult to align and buckle the joint in the crossing project, and thread failure such as sticking often occurs.
Hilong designed and produced the drill pipe to meet the requirements of large diameter and the requirements of stiffness and thrust. The special thickened design improves the fatigue performance of the drill pipe. The special joint thread and guide segment design prevent the sticking to improve the fatigue performance of the joint and meet the crossing project. Need.