Drill pipe joint
A technology of drill pipe joints and female joints, which is applied in the direction of drill pipes, drill pipes, drilling equipment, etc., can solve the problems that cannot meet the needs of complex working conditions, etc., to improve the salvageability, reduce the outer diameter of joints, and reduce stress concentration Effect
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[0010] In order to make the object, technical solution and beneficial effects of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, and are not intended to limit the protection scope of the present invention.
[0011] Such as figure 1 , figure 2 As shown, a drill pipe joint includes a male joint and a female joint. The male joint and the female joint are connected to each other through the outer and female joint threads; the two sides of the male joint thread are respectively provided with the main shoulder of the male joint and the secondary Shoulder, the two sides of the thread of the female joint are respectively provided with the main shoulder of the female joint and the auxiliary shoulder of the female joint. The threads of the male and female joi...
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