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Wellhead pipe righting device

A technology of pipe fittings and righting arms, which is applied in the field of righting wellhead pipe fittings, can solve the problems of troublesome disassembly, increased operation cost, complicated structure, etc., and achieves the effect that the righting process is simple and quick, and saves manpower and material resources.

Inactive Publication Date: 2013-12-25
CHENGDU KESHENG PETROLEUM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing centralizers are complex in structure, complicated in operation, time-consuming and labor-intensive, troublesome to disassemble after use, and increase a lot of unnecessary operating costs

Method used

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  • Wellhead pipe righting device
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  • Wellhead pipe righting device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] see figure 1 with figure 2 , the present invention is further described in detail: the outside of the mounting seat 1 is connected with a fixed shaft installation hole 2, the fixed shaft 3 is installed on the fixed shaft installation hole 2, the fixed shaft 3 fixes the upper end of the righting arm 4, and the lower end of the righting arm 4 The centering ring 7 and the balance weight 8 are connected to each other, and the centering ring 7 and the balance weight 8 are connected together by a balance shaft 11 and placed on both sides of the end of the centering arm 4. This structure ensures that the front and rear weights of the centering arm 4 are balanced, so that the centering ring 7 Always level.

[0022] An oil cylinder 9 is arranged inside the installation seat 1, and the bottom of the oil cylinder 9 is connected to one end of a support rod 5, and there is a groove at the bottom of the other end of the support rod 5. contact, the centralizing arm 4 can be fully e...

Embodiment 2

[0026] see figure 1 with figure 2 , the present invention is further described in detail: the outside of the mounting seat 1 is connected with a fixed shaft installation hole 2, the fixed shaft 3 is installed on the fixed shaft installation hole 2, the fixed shaft 3 fixes the upper end of the righting arm 4, and the lower end of the righting arm 4 The centering ring 7 and the balance weight 8 are connected to each other, and the centering ring 7 and the balance weight 8 are connected together by a balance shaft 11 and placed on both sides of the end of the centering arm 4. This structure ensures that the front and rear weights of the centering arm 4 are balanced, so that the centering ring 7 Always level.

[0027] Mounting seat 1 is provided with a cylinder 9 inside, the bottom of the cylinder 9 is connected to one end of a strut 5, and there is a groove at the bottom of the other end of the strut 5. contact, the centralizing arm 4 can be fully embedded in the groove.

[0...

Embodiment 3

[0031] see figure 1 with image 3 , the present invention is further described in detail: the outside of the mounting seat 1 is connected with a fixed shaft installation hole 2, the fixed shaft 3 is installed on the fixed shaft installation hole 2, the fixed shaft 3 fixes the upper end of the righting arm 4, and the center of the righting arm 4 is along the The wall body is hollowed out, and the lower end of the centralizing arm 4 is connected with a centralizing ring 7 and a balance weight 8. The centralizing ring 7 and the balance weight 8 are connected together by a balance shaft 11 and placed on both sides of the end of the centralizing arm 4. This structure ensures The front and back weight balance of the righting arm 4 makes the righting ring 7 horizontal all the time.

[0032] A cylinder 9 is arranged inside the mounting seat 1, and the bottom of the cylinder 9 is connected to one end of the strut 5, and the other end of the strut 5 has a round hole. The connecting ro...

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PUM

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Abstract

The invention discloses a wellhead pipe righting device which comprises a hollow mounting seat, a righting arm, a support rod, a righting ring and a power telescoping device. The power telescoping device and the support rod are disposed inside the hollow mounting seat. The bottom of the power telescoping device is connected with the support rod which penetrates the hollow mounting seat to be in contact with the righting arm. One end of the righting arm is connected to the outside of the hollow mounting seat, and the other end thereof is connected with the righting ring. By the structure and machine drive principles, whether an oil pipe inclines or not can be judged simply, simple position adjusting of the righting ring can be performed by controlling the power telescoping device to move up and down so as to achieve the righting effect, and the righting process is simple, fast, and manpower and resource saving.

Description

technical field [0001] The invention relates to a centralizer, in particular to a wellhead pipe fitting device for centralization. Background technique [0002] When the oil field is working, it is often caused by deflection of the oil pipe, which leads to the eccentric wear of the polished rod of the sucker rod, causing the crude oil to overflow and pollute the environment. Therefore, the oil pipe is often assisted by a centralizer to prevent its deflection during operation, so that the operation can be carried out more effectively. Most of the existing centralizers are complex in structure, complicated in operation, time-consuming and labor-intensive, and troublesome to disassemble after use, which increases a lot of unnecessary operating costs. Contents of the invention [0003] The present invention aims at the above problems and develops a straightening wellhead pipe fitting device with simple structure and convenient operation. [0004] The technical scheme that the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B17/10
Inventor 贺昶明
Owner CHENGDU KESHENG PETROLEUM TECH
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