Bracing rod type plug of oil and gas gathering and transferring pipeline

A technology of oil and gas gathering and transportation, plugging device, applied in the direction of pipe elements, pipes/pipe joints/pipe fittings, mechanical equipment, etc., to save the cost of construction and transportation, simplify the construction process, and facilitate the operation.

Inactive Publication Date: 2016-06-22
SOUTHWEST PETROLEUM UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a strut type oil and gas gathering and transportation pipeline plugging device in order to solve the problem of quickly realizing oil and gas isolation in pipeline hot work

Method used

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  • Bracing rod type plug of oil and gas gathering and transferring pipeline
  • Bracing rod type plug of oil and gas gathering and transferring pipeline
  • Bracing rod type plug of oil and gas gathering and transferring pipeline

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Embodiment Construction

[0018] Such as figure 1 , image 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Figure 9 As shown, a strut-type oil and gas gathering and transportation pipeline plugging device of the present invention is composed of an upstream blocking device 20 and a downstream blocking device 21. The upstream blocking device includes a locking disc 1, a sleeve 2, a centralizer 3, Sealing cup 4, support rod 5, sliding spring seat 6, spring 7, lock switch 8, central shaft 9, spring compression plate 10, push plate 11, locking sleeve 12, feed rod 13, locking cover 14, support seat 19; the downstream blocking device includes a locking disc 1, a sleeve 2, a centralizer 3, a sealing cup 4, a support rod 5, a sliding spring seat 6, a spring 7, a locking switch 8, a spring compression disc 10, and a locking sleeve 12. The feeding rod 13, the locking cap 14, the pulling joint 15, the sealing ring 16, the hollow shaft 17, the pulling rod 18 and the support seat 19 are com...

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Abstract

The invention relates to a bracing rod type plug of an oil and gas gathering and transferring pipeline. By means of the plug, the problem that how to quickly achieve isolation of oil from gas during pipeline hot operation is solved. According to the technical scheme, the thread joint end of a center shaft is provided with two Z-shaped slots, a sealing leather cup is a bowl-shaped center strip hole, is mounted in the step position of the center shaft and adheres to the center shaft through sealing adhesives, and an annular slot is formed in the sealing end of the sealing leather cup; six bracing rods are distributed symmetrically, one ends of the bracing rods are hinged to a supporting base, and the other ends of the bracing rods are hinged to a sliding spring base; two raised heads are arranged in the center of a push plate symmetrically; four spline slots are formed in the outer end of the push plate; two raised heads are arranged on a pull rod; and a hollow shaft is provided with two Z-shaped through slots. The oil and gas pipeline is plugged fast by adoption of simple mechanical actions, and can be recycled automatically after construction, so that the pipeline rush-repairing efficiency is improved and the rush-repairing cost is saved.

Description

technical field [0001] The invention relates to a brace type oil and gas gathering and transportation pipeline plugging device used for quickly repairing damaged pipelines in oil and gas storage and transportation and city gas projects. Background technique [0002] In oil and gas storage and transportation and urban gas projects, long-distance large-diameter pipelines need to be laid for oil and natural gas transportation. For oil and gas pipelines in service, as the service life of the pipeline increases, the pipeline may be damaged and defective due to factors such as corrosion, fatigue and mechanical damage. , or due to urban construction and other reasons that require the rerouting of in-service pipelines, etc., it is necessary to re-weld new pipelines after part of the in-service oil and gas pipelines are cut off. Oil and gas are replaced or blocked. [0003] Existing hot-fire technologies mainly include hot-fire displacement technology and safety-blocking hot-fire te...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L55/10
CPCF16L55/10
Inventor 梁政邓严邓兰刘稳赵勇何虹钢
Owner SOUTHWEST PETROLEUM UNIV
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