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Soluble bridge plug blocking-off tool rapid to install and blocking-off method

A bridge plug plugging, bridge plug technology, applied in the direction of pipes/pipe joints/pipe fittings, mechanical equipment, pipe components, etc., can solve problems such as poor plugging effect, achieve good plugging effect, ensure sealing reliability, increase The effect of high friction

Active Publication Date: 2019-05-07
陈黎祥
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] Aiming at the defects in the prior art, the purpose of the present invention is to overcome the deficiencies in the prior art, solve the technical problem of poor plugging effect in the prior art, and provide a quick installation soluble bridge plug plugging tool and its use method , the present invention can prevent retreat, seal and bear pressure, and have good plugging effect

Method used

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  • Soluble bridge plug blocking-off tool rapid to install and blocking-off method
  • Soluble bridge plug blocking-off tool rapid to install and blocking-off method
  • Soluble bridge plug blocking-off tool rapid to install and blocking-off method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Such as Figure 1 to Figure 10 The shown quick-install dissolvable bridge plug plugging tool includes a bridge plug head 1 and a bridge plug body 3 made of soluble materials, a sealing disc 2 is arranged between the bridge plug head 1 and the bridge plug body 3, and the sealing disc 2 It is semi-solid and made of soluble materials. When it is manufactured, the soluble material and the solidified material are mixed in proportion, and solidified with a mold at a set temperature; (such as Figure 3-4 As shown) there are several positioning protrusions 201 on the sealing disc 2, and the embedding holes 106 that can cooperate with the positioning protrusions 201 are provided on the bridge plug head 1, and the sealing disc 2 is connected with the bridge plug head 1 through the positioning protrusions 201, The structure that realizes the connection between the bridge plug head 1 and the bridge plug body 3 is specifically, (such as Figure 10 As shown) one side of the bridge p...

Embodiment 2

[0052] Such as Figure 11 The difference between this embodiment and Embodiment 1 of the quick-install dissolvable bridge plug plugging tool shown is that the bridge plug body 3 is provided with an embedding hole 106 that can cooperate with the positioning protrusion 201, and the sealing disc 2 is The positioning protrusion 201 is connected with the bridge plug body 3, and the bridge plug body 3 is connected with a connecting protrusion 2 304 extending toward the direction of the bridge plug head 1, and a connection is opened on the side where the bridge plug head 1 is arranged relative to the bridge plug body 3. Hole 2 105 , the bridge plug body 3 is plugged into the connection hole 2 105 via the connection protrusion 2 304 .

Embodiment 3

[0054] Such as Figure 12 The difference between this embodiment and Embodiment 1 and Embodiment 2 of the quick-install dissolvable bridge plug plugging tool shown is that the bridge plug body 3 is attached to the bridge plug head 1 through the sealing disc 2 .

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Abstract

The invention provides a soluble bridge plug blocking-off tool rapid to install and a blocking-off method in the field of oil and gas development. The soluble bridge plug blocking-off tool comprises asoluble bridge plug head and a bridge plug body. A sealing disc is arranged between the bridge plug head and the bridge plug body. In the axial direction, a pressure relief hole is formed in the bridge plug head. The bridge plug head comprises at least one first conical sealing portion. At least one side of each first sealing portion is provided with a first pressure bearing portion. The bridge plug body comprises at least one second conical sealing portion. At least one side of each second sealing portion is provided with a second pressure bearing portion. Each first sealing portion is formed by bonding a plurality of layers of first sealing plates. A plurality of first cut seams are formed in the periphery of each first sealing plate on each layer. Each second sealing portion is formedby bonding a plurality of layers of second sealing plates. A plurality of second cut seams are formed in the periphery of each second sealing plate on each layer. When a pipeline is blocked off, the bridge plug head and the bridge plug body mutually extrude the sealing disc, and after the sealing disc deforms, a rubber disc of the sealing disc fills a gap between the bridge plug head and the bridge plug body and is attached to the inner wall of the pipeline. The tool can prevent retreating, can bear pressure when blocking off the pipeline, and is good in blocking-off effect.

Description

technical field [0001] The invention belongs to the technical field of oil and gas development, in particular to a method for rapidly installing a soluble bridge plug sealing tool to block pipelines. Background technique [0002] In the process of oil and gas field development, after crude oil and natural gas are extracted from the oil and gas wellhead, they are transported to the gathering and transportation station through the main pipeline network, and after being treated and purified in stages, they are then transported out through the oil and gas main pipeline network. The branch line and main line pipeline network of pipe diameter, in oil and gas development, regional adjustment, pipeline maintenance and emergency rescue, etc. are very frequent. If the oil and gas medium cannot be effectively isolated during the hot work of the pipeline network, oil and gas will occur. Explosion and heavy casualties and loss of state property. [0003] At present, the oil and gas pipe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L55/11
Inventor 陈黎祥陈波陈寅秋
Owner 陈黎祥