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Wear-resistant outlet tee with axial alloy post

An anti-wear, alloy technology, applied in wellbore/well valve devices, wellbore/well components, earth-moving drilling, etc. Part of the outlet of the tee is broken, which affects the sealing effect of the ball, so as to avoid further wear, prolong the maintenance time interval, and avoid accidents.

Inactive Publication Date: 2016-02-24
王宇超
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, this method of friction between the ball and the inner wall of the oil outlet tee will cause the inner wall of the oil outlet tee to wear continuously. , it will cause the breakage of the outlet part of the oil outlet tee, resulting in a safety accident
[0004] Although the use of No. 45 steel to make the oil outlet tee and the ball in it can alleviate the wear to a certain extent, but it only prolongs the service life of the oil outlet tee, and does not fundamentally solve the problem of the oil outlet tee and the oil outlet. Friction on the inner wall of the tee

Method used

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  • Wear-resistant outlet tee with axial alloy post

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specific Embodiment 1

[0017] The anti-wear oil outlet tee with axial alloy column in this embodiment, the structural diagram is as follows figure 1 shown. The oil outlet tee includes a tee body 1 with a ring-shaped cross section. The tee body 1 is a stepped structure with the lower part thicker than the upper part. The first internal thread 5 for the rod, the second internal thread 9 for connecting the piston barrel and the third internal thread 4 for screwing the sealing ball seat 4 are sequentially tapped from the bottom of the through hole from bottom to top, and the thread diameter of the second internal thread 9 is Greater than the thread diameter of the third internal thread; the middle part of the through hole is a stepped structure with a lower cross-sectional diameter than the upper cross-sectional diameter; a ball 3 is arranged below the middle part of the through hole, and the diameter of the ball 3 is the same as that of the through hole The diameter of the section below the middle par...

specific Embodiment 2

[0021] The anti-wear oil outlet tee with axial alloy column in this embodiment, the structural diagram is as follows figure 1 shown. The oil outlet tee includes a tee body 1 with a ring-shaped cross section. The tee body 1 is a stepped structure with the lower part thicker than the upper part. The first internal thread 5 for the rod, the second internal thread 9 for connecting the piston barrel and the third internal thread 4 for screwing the sealing ball seat 4 are sequentially tapped from the bottom of the through hole from bottom to top, and the thread diameter of the second internal thread 9 is Greater than the thread diameter of the third internal thread; the middle part of the through hole is a stepped structure with a lower cross-sectional diameter than the upper cross-sectional diameter; a ball 3 is arranged below the middle part of the through hole, and the diameter of the ball 3 is the same as that of the through hole The diameter of the section below the middle par...

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Abstract

The invention provides an abrasion-resisting oil outlet tee joint with an axial alloy column. The external stepped structure position of a tee joint body (1) of the oil outlet tee joint is provided with a drill hole (6) provided with threads at the top end, wherein the drill hole (6) is identical to the tee joint body (1) in symmetric central direction and is separated from or externally tangent to a through hole in the cross-section direction. The alloy column (7) is placed inside the drill hole (6), and a nut (8) provided with threads and used for preventing the alloy column (7) from falling is screwed at the threaded position of the top end of the drill hole (6). The oil outlet tee joint is applied to an oil-well pump, further abrasion between a valve ball and the inner wall of the oil outlet tee joint can be avoided through the mutual effect of the valve ball and the alloy column when abrasion occurs between the valve ball and the inner wall of the oil outlet tee joint, a maintenance time interval of the oil outlet tee joint is prolonged, the service life of the oil outlet tee joint is prolonged, accidents are avoided, and the cost is saved only by turning or replacing the alloy column.

Description

technical field [0001] The wear-resistant oil outlet tee with axial alloy column belongs to the components of the oil well pump. Background technique [0002] In oil production engineering, the oil pump is an indispensable equipment in the well of the pumping unit. Through the reciprocating movement of the oil pump up and down, the oil is pumped from the ground to the surface. The oil well pump includes a piston that moves up and down, and an oil outlet tee set on the top of the oil well pump. The traditional oil outlet tee includes a ball that acts as a switch. When the piston moves upward, the ball is in the oil outlet three. The upper end of the outlet makes the outlet of the oil outlet tee conduct with the inside, and the oil overflows from the oil outlet tee; when the piston moves downward, the valve ball is at the outlet of the oil outlet tee, closing the outlet of the oil outlet tee and the inner outlet. passage to prevent the spilled oil from flowing back. [0003]...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B34/00
Inventor 王宇超于义农王薇王焱王童王宇辉田雅晶于淑华
Owner 王宇超
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