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How does Yikuang Science and Technology Drill Pipe Manufacturer/Geological Drill Pipe Prevent Thread Fracture?
Release time:
2019-07-22
Author:
Source:
Shandong Yikuang Drilling Technology Co., Ltd. produces all kinds of geological drill pipes, spiral drill pipes, triangular heavy-duty grooved drill pipes, special-shaped multi-angular grooved drill pipes, coal drill pipes, drill bits, drill pipes, etc., with complete specifications! Strength manufacturers, trustworthy! company set research and development-production-sales-sales as one, welcome customers to purchase, tel: 0635-2311078
How does Yikuang Science and Technology Drill Pipe Manufacturer/Geological Drill Pipe Prevent Thread Fracture?
The fracture failure of thread teeth accounts for about 70% of the failure of drill pipe. According to the analysis of the causes of fracture failure of thread teeth, the following preventive measures can effectively reduce the incidence of such failure forms:
(1) When processing threads, it is necessary to avoid incomplete threads at the thread terminal (retreat) to prevent stress concentration there, resulting in thread fatigue damage.
(2) Appropriate sealing measures shall be taken at the bottom of the coupling and the inner end of the external thread to avoid the fluid in the pipeline from entering the threaded joint, so as to reduce corrosion and wear, and prevent the thread from rusting and causing insufficient strength.
(3) Non-destructive testing such as radiographic testing or magnetic particle testing shall be carried out on the processed threads to find out the surface and internal defects of the pipe threads in time and avoid the thread with defects from going into the well.
(4) select the appropriate size of the torque to tighten the thread, to avoid the pre-tightening force is too large to exceed the strength limit of the thread material caused by the thread tooth broken.
Shandong Yikuang Drilling Technology Co., Ltd. produces all kinds of geological drill pipes, spiral drill pipes, triangular heavy-duty grooved drill pipes, special-shaped multi-angular grooved drill pipes, coal drill pipes, drill bits, drill pipes, etc., with complete specifications! Strength manufacturers, trustworthy! company set research and development-production-sales-sales as one, welcome customers to purchase, tel: 0635-2311078
Key words:
Drill pipe, geological drill pipe, spiral drill pipe, triangular drill pipe, rib drill pipe, new coal drill pipe
