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Midway action proof apparatus for down-hole hydraulic tool

A hydraulic tool and action technology, applied in the direction of wellbore/well parts, earthwork drilling and production, etc., to ensure the success of the operation

Inactive Publication Date: 2005-09-07
陈飞
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to design an anti-midway action device for downhole hydraulic tools, so that when the downhole speed is too fast, when the pressure test seal is not in place, it will not cause the problem of midway action, and will not cause oil and water well operations. success

Method used

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  • Midway action proof apparatus for down-hole hydraulic tool
  • Midway action proof apparatus for down-hole hydraulic tool
  • Midway action proof apparatus for down-hole hydraulic tool

Examples

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Embodiment Construction

[0012] Attached below figure 1 The first embodiment of the present invention will be described in detail.

[0013] The first example is figure 1 As shown, it consists of an inner tube 1-1, a sealing cylinder 1-2, a connecting body 1-3, a sliding sleeve 1-4, a sliding sleeve sealing ring 1-5, and a joint 1-6. The sealing cylinder 1-2 is set on the lower thread of the inner pipe 1-1, the lower thread of the inner pipe 1-1 is connected with the upper thread of the connecting body 1-3, the lower part of the sealing cylinder 1-2 is set on the lower part of the connecting body 1-3, and the connecting The lower part of the body 1-3 is connected with the joint 1-6, the sliding sleeve sealing ring 1-5 is set in the sealing groove of the sliding sleeve 1-4, the sliding sleeve 1-4 is installed in the Unicom body 1-3, and the sliding sleeve 1-4 The upper and lower groups of sealing rings are located above and below the communication hole on the communication body 1-3, so that the slidin...

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Abstract

The invention relates to a hydraulic pressure tool that proofs the mis-operation while working. It is made up of inner pipe, sealed canister, connection substance, slide bushing, slide bushing sealed circle, and joint. It could be installed on butting proof slips, hydraulic pressure oil pipe anchor, etc. The connection hole sealed by oil slide bushing can transfer pressure. The pressure would be tested at anytime and the mis-operation would not be taken.

Description

1. Technical field [0001] The invention relates to a downhole tool for an oil-water well in an oil field, in particular to an anti-midway action device for a downhole hydraulic tool. 2. Background technology [0002] Oil and water well downhole hydraulic tools are equipped with anti-midway action devices, such as oil and water well hydraulic packers, anti-top slips, hydraulic drop-offs, hydraulic oil pipe anchors, oil pipe anchors, and liquid discharge devices. After the position is reached, the pressure on the ground will cut off the pin on the anti-midway action device or compress the spring, so that the tool can move to make it in working condition. However, the lower part of these tools is equipped with a check valve (oil well pump). Because sometimes the running speed is not easy to control and the running speed is too fast, the tubing pressure is often much higher than the casing pressure in an instant, and the pin is cut off or the spring is compressed. There is a pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B23/00
Inventor 邓云许东王华张洪歧陈飞
Owner 陈飞