Method for preparing abrasion-resistant alloy protecting pipe connector of sucker rod

Abstract

The invention discloses a method for preparing an abrasion-resistant alloy protecting pipe connector of a sucker rod. A main body material is prepared and is quenched / tempered steel 35CrMoA, the main body material is placed in a die to manufacture a connector main body and spiral trapezoidal teeth, the connector main body and the spiral trapezoidal teeth are coated with an anti-corrosive antifriction coating, the anti-corrosive antifriction coating is an AOC-160 alloy powder protecting layer, sealing sleeves are installed on two sides of the connector main body and are connected with the connector main body in a pressure injection mode, internal threads are arranged in the two sealing sleeves, the sealing sleeves are made of high-strength plastic alloy, the high-strength plastic alloy is polyether-ether-ketone resin, and then induction fusion treatment is performed on the surfaces of the sealing sleeves to manufacture the abrasion-resistant alloy protecting pipe connector of the sucker rod, and then the abrasion-resistant alloy protecting pipe connector of the sucker rod is transferred to the surface of an oil pipe in the form of a piece shape, to protect the oil pipe and slow down abrasion of the oil pipe. The manufacturing method is simple, the oil pipe is protected, the abrasion of the oil pipe is slowed down, and an effect of piece-shaped anti-abrasion is achieved.

Description

technical field [0001] The invention relates to a preparation method of a sucker rod wear-resistant alloy protective pipe connector. Background technique [0002] At present, in the process of oil drilling, it is necessary to use sucker rods for crude oil transportation. At present, anti-eccentric wear couplings and sucker rod centralizers are generally used in the existing technology. Sucker rod centralizers are used for damage and wear: "dogleg degree": ≥3° / 25m, two whipping points are connected at the front and rear: more than 2 centralizers, and the sucker rod is used to stabilize below the whipping point; There are more than 2 centralizers above the rod, and one centralizer is connected to each near the distance of 25 m and 45 m from the wellhead. The effective spacing is 3.2m, and the effective anti-wear spacing in the longitudinal direction of the coupling is 1.6m. The anti-wear degree of the coupling is more than twice that of the rod body, but the structure is comp...

AI Technical Summary

Problems solved by technology

[0002] At present, in the process of oil drilling, it is necessary to use sucker rods for crude oil transportation. At present, anti-eccentric wear couplings and sucker rod centralizers are generally used in the existing technology. Sucker rod centralizers are used for damage and wear: "dogleg degree": ≥3° / 25m, two whipping points are connected at the front and rear: more than 2 centralizers, and the sucker rod is used to stabilize below the whipping point; There are more than 2 centralizers above the rod, and one centralizer is connected to each near the distance of 25 m and 45 m from the wellhead. The effective spacing is 3.2m, and the effective anti-wear spacing in the longitudinal direction of the coupling is 1.6m. The anti-wear degree of the coupling is more than twice that of the rod body, but the structure is complex and the cost of use is high.