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Mechanical sliding sleeve switching tool

A sliding sleeve switch, mechanical technology, applied in the direction of casing, drilling equipment, wellbore/well components, etc., to achieve the effect of reducing risk, easy operation and simple structure

Pending Publication Date: 2021-03-16
GUIZHOU GAOFENG GASOLINEEUM MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a mechanical sliding sleeve switching tool to solve the downhole full-bore sliding sleeve switching operation, and has the characteristics of fast positioning, accurate opening and closing, quick release, and can reduce the occurrence of complex situations underground. Thereby overcome the deficiency that existing technology exists

Method used

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Embodiment Construction

[0022] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0023] A kind of mechanical sliding sleeve switch tool of the present invention, as figure 1 with figure 2 As shown, it includes the mandrel 1; the upper end of the mandrel 1 is threadedly connected with the upper joint 2, and the lower end of the mandrel 1 is threaded with the lower joint 3; on the mandrel 1 between the upper joint 2 and the lower joint 3, the order is from top to bottom Covered with upper spring seat 4, upper spring 5, closing slip 6, release ring 7, lower spring seat 8, lower spring 9, backing ring 10 and opening slip 11; mandrel 1 and lower joint 3 are provided with water eyes 12.

[0024] Such as image 3 As shown, the two ends of the mandrel 1 are small outer diameter sections 27, and the ends of the small outer diameter section 27 are provided with external threads; the middle of the mandrel 1 is a large outer diame...

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Abstract

The invention discloses a mechanical sliding sleeve switching tool. The mechanical sliding sleeve switching tool comprises a mandrel (1); the upper end of the mandrel (1) is in threaded connection with an upper joint (2); the lower end of the mandrel (1) is in threaded connection with a lower joint (3); an upper spring seat (4), an upper spring (5), a closing slip (6), a release ring (7), a lowerspring seat (8), a lower spring (9), a backing ring (10) and an opening slip (11) are sequentially arranged on the mandrel (1) between the upper joint (2) and the lower joint (3) from top to bottom ina sleeving mode; and water holes (12) are formed in the mandrel (1) and the lower joint (3). The mechanical sliding sleeve switching tool is simple in structure and easy and convenient to operate, can achieve the switching operation of a full-bore sliding sleeve switch, can reduce risks during the switching operation, and is an operation tool used for turning on or off the full-bore sliding sleeve switch.

Description

technical field [0001] The invention relates to a mechanical sliding sleeve switch tool, which belongs to the technical field of oil well completion tools. Background technique [0002] The sliding sleeve switch is a tool for opening and closing the downhole full-bore sliding sleeve switch. The sliding sleeve switch tool is used to open or close the full-diameter sliding sleeve switch installed at a fixed position in the downhole, and implement a wide range of opening or closing of the channel between the oil and gas production layer and the oil and gas production string. Each production well in an oil field has many oil and gas reservoirs. A full-bore sliding sleeve switch is installed at each layer, and the layers are sealed and separated by packers. When a certain production layer needs to regulate water Insert the sliding sleeve switch tool at present, after the sliding sleeve switch tool reaches the predetermined position, the opening slip or closing slip of the slidin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B34/14E21B19/10
CPCE21B19/10E21B34/14
Inventor 万文财赵晓峰王磊郑廷碧郑波强王文张腾飞
Owner GUIZHOU GAOFENG GASOLINEEUM MACHINERY
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