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Novel wax scraper capable of adjusting squeezing and embracing force

A wax scraper, a new type of technology, applied in cleaning equipment, wellbore/well components, earth-moving drilling, etc. The effect of reducing wastage, improving wax removal efficiency and low cost

Inactive Publication Date: 2017-09-19
成都聚深科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The wax scraper in the prior art uses an electric drive blade to scrape wax, which causes a large loss to the blade and high cost. At the same time, due to the electric drive, the blade runs at a faster speed, which is easy to scratch the surface of the sucker rod, resulting in Decreased service life of the oil rod

Method used

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  • Novel wax scraper capable of adjusting squeezing and embracing force

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Embodiment

[0020] Such as figure 1 As shown, a new type of wax scraper for adjusting the squeezing force includes a squeeze ring 1, a blade 2, a bolt 3, an upper fixing bracket 4, a washer 5, and a lower fixing bracket 6. The squeeze ring 1 includes an upper squeeze ring The ring and the lower extrusion ring, the upper extrusion ring and the lower extrusion ring are all half ring structures, the upper extrusion ring and the lower extrusion ring are spliced ​​to form a whole ring, and the inner sides of the upper extrusion ring and the lower extrusion ring are evenly arranged There are a plurality of blades 2; both ends of the upper extrusion ring are provided with upper fixing brackets 4, and both ends of the lower extrusion ring are provided with lower fixing brackets 6, and the corresponding upper fixing brackets 4 and lower fixing brackets 6 are connected by bolts 3 is fixed; a washer 5 is arranged between the corresponding upper fixing bracket 4 and the lower fixing bracket 6.

[00...

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PUM

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Abstract

The invention discloses a novel wax scraper capable of adjusting squeezing and embracing force. The novel wax scraper capable of adjusting squeezing and embracing force comprises a squeezing and embracing ring, blades, bolts, upper fixing supports, gaskets and lower fixing supports. The squeezing and embracing ring comprises an upper squeezing and embracing ring and a lower squeezing and embracing ring, the upper squeezing and embracing ring and the lower squeezing and embracing ring are of semi-ring structure, the upper squeezing and embracing ring and the lower squeezing and embracing ring are spliced to form an integral ring, and the multiple blades are arranged in the inner sides of the upper squeezing and embracing ring and the lower squeezing and embracing ring; the upper fixing supports are arranged on the two ends of the upper squeezing and embracing ring, the lower fixing supports are arranged on the two ends of the lower squeezing and embracing ring, and the upper fixing supports and the corresponding lower fixing supports are fixed through the bolts; the gaskets are arranged between the upper fixing supports and the corresponding lower fixing supports. According to the novel wax scraper capable of adjusting squeezing and embracing force, back and forth wax scrapping on the surface of an oil-pumping tube is conducted by a wax scraper, an oil-pumping rod with constant changing diameter is adapted by adjusting squeezing and embracing force of the wax scraper, the loss degree of blades is reduced, and the damage to the oil-pumping rod is avoided; by arranging the gaskets between the upper fixing supports and the corresponding lower fixing supports, the diameter of the wax scraper is adjusted, operation is simple, and cost is low.

Description

technical field [0001] The invention relates to the field of petroleum equipment, in particular to a novel wax scraper for adjusting the squeezing force. Background technique [0002] The sucker rod wax scraper is a wax scraper device for scraping wax on the sucker rod when lifting the sucker rod at the wellhead. It can scrape off the densely cemented wax, asphaltene and colloid on the sucker rod . When performing wax scraping, install the wellhead connection body on the wellhead, select wax scraping rubber cores and wax scraping blades of corresponding specifications according to different types of sucker rods and waxing conditions, and adjust the wax scraping blades in good time through the pressure adjustment screw The squeezing force on the sucker rod relies on the hoisting mechanism of the workover operation to automatically and thoroughly remove the crude oil and cemented dense wax, asphaltenes and colloids on the outer wall of the sucker rod. The wax scraper existin...

Claims

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Application Information

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IPC IPC(8): E21B37/02
CPCE21B37/02
Inventor 曾丽娟谢璞蔓贾文婷陈龙
Owner 成都聚深科技有限责任公司
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