Downhole crawl type power gas lift plunger

A plunger and force technology, applied in the field of oil and gas plunger gas lift drainage and gas production equipment, can solve the problems of poor plunger gas lift efficiency, reduce the inertial force of upward sliding, and reduce the probability of being damaged by collision , the effect of improving work efficiency

Active Publication Date: 2022-05-06
BAOJI UNIV OF ARTS & SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the present invention provides an underground crawling type power gas lift plunger, which has a traveling mechanism, and the traveling mechanism has sufficient rigidity and stability, thereby realizing the goal of making the plunger move in a narrow pipeline, and can Greatly improve the working efficiency of the plunger air lift, and solve the problem of poor efficiency of the plunger air lift caused by the lack of a traveling mechanism in the traditional device

Method used

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  • Downhole crawl type power gas lift plunger
  • Downhole crawl type power gas lift plunger
  • Downhole crawl type power gas lift plunger

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Embodiment Construction

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

[0029] see Figure 1 to Figure 8 The present invention has designed a kind of downhole crawling power gas lift plunger, comprises: plunger 1; The hole 101 can play the role of righting, reducing the wear of the plunger 1. There are eight mounting posts 102 symmetrically welded on the plunger 1, and a crawling wheel 4 is installed on the eight mounting posts 102; the bottom of the plunger 1 A round thick block is welded and fixed, and a driving motor 3 is locked and fixed on the round thick block. The rotating shaft of the drive motor 3 is inserted into the inner space of the plunger 1 through the round thick block, and the Two active bevel gears 301 are set on the r...

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Abstract

The invention discloses an underground crawling type power gas lift plunger, and relates to the technical field of oil and gas plunger gas lift drainage gas production equipment. The device comprises a plunger, two spraying holes are symmetrically formed in the lower half section of the circumferential outer wall of the plunger, eight mounting columns are symmetrically welded to the plunger, and a crawling wheel is rotationally mounted on each mounting column; the bottom end of the plunger is fixedly welded with a circular thickening block, the circular thickening block is fixedly locked with a driving motor, and a rotating shaft of the driving motor penetrates through the circular thickening block and is inserted into the inner space of the plunger. The lead screw nut reducing mechanism can convert power output by the driving motor into rotating power of a rotating shaft of the lead screw nut reducing mechanism and walking power of eight crawling wheels. According to the four-crank sliding rod buffering mechanism, the impact force borne by the driving motor when the driving motor stops sliding upwards can be buffered, and the probability that the driving motor is collided and damaged is reduced.

Description

technical field [0001] The invention belongs to the technical field of oil and gas plunger gas-lift drainage and gas production equipment, and in particular relates to an underground crawling type power gas-lift plunger. Background technique [0002] The strategic storage of oil and natural gas is one of the important means for the safe and stable power supply of the country. With the continuous development of gas fields, the number of water-producing wells is constantly increasing, the production pressure of gas wells is constantly decreasing, and the accumulation of liquid is increasing day by day. Poor, and some even need frequent depressurization and liquid to assist production, which has an extremely significant impact on the stable release of gas well productivity. The downhole crawling power plunger gas lift device can effectively change the impact of the problem of liquid accumulation in gas wells , so that the low-pressure and low-production wells with low productio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B43/12E21B23/00
CPCE21B43/122E21B23/001
Inventor 刘国强王肖烨肖涛刘国庆袁宝诚王炜
Owner BAOJI UNIV OF ARTS & SCI
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