Double tubing hanger with tubing protection

Abstract

The utility model discloses a double oil pipe suspension device with pipeline protection function, including the suspension body, be equipped with the pressing plate on the suspension body, and the suspension body is by two half symmetrical and constitutes a annular whole, and every half is equipped with two passages, and one passage is equipped with the oil pipe, and the other passage is equipped with the crossing sheath, and the crossing sheath suspension body fastening connection, and the crossing sheath is equipped with the pipeline, and the upper and lower ends of crossing sheath are all through the pipe clamp fixed connection pipeline, the utility model discloses a double oil pipe suspension device with pipeline protection function adopts the symmetrical two half structure design, and the suspension body inside is matched and is set up double oil pipe and crosses crossing sheath, and the protection crossing of the pipeline such as the pipeline of downhole safety valve control, chemical reagent injection pipeline is convenient.

Description

Technical Field

[0001] This utility model relates to a dual oil pipe suspension device with pipeline protection function. Background Technology

[0002] A tubing hanger is a device used in oil (gas) extraction to suspend production tubing and seal the annular space between the production tubing and the nearest casing. Generally, the tubing hanger is installed in a tubing head tee or an integral tee. Traditional tubing hangers typically use a single tubing design, but when increased oil production or stratified extraction is required, a single tubing hanger cannot meet the requirements, necessitating a dual tubing structure design. However, in existing technologies, two separate tubing hangers often suffer from inconvenient installation and disassembly, and poor sealing performance. Especially when downhole pipeline crossings are required, fluid leakage is likely to occur, posing a well control risk. Summary of the Invention

[0003] The purpose of this utility model is to provide a dual oil pipe suspension device with pipeline protection function, including a suspension body. The upper end face of the suspension body is provided with a detachable pressure plate. A sealing gasket is provided between the suspension body and the pressure plate. The suspension body is composed of two symmetrical halves forming a ring. Each half is provided with two channels. An oil pipe passes through one channel, and a through-sleeve passes through the other channel. The through-sleeve is fastened to the suspension body by a nut. A pipeline passes through the through-sleeve. Both the upper and lower ends of the through-sleeve are connected to pipe clamps by threads. The pipe clamps are fixedly connected to the pipeline.

[0004] Preferably, both semicircles of the suspension body are provided with clamping screw holes, and two clamping bolts are provided on the pressure plate, with the clamping bolts threaded into the corresponding clamping screw holes.

[0005] Preferably, a gasket is provided between the sealing gasket and the suspension body and the pressure plate, and the pressure plate and the sealing gasket are provided with through holes corresponding to the two channels.

[0006] Preferably, the pressure plate is provided with mounting screw holes, and lifting rings are threaded onto the mounting screw holes. The number of lifting rings is four, and the four lifting rings are symmetrically arranged on the pressure plate.

[0007] The advantages and beneficial effects of this utility model are as follows: This utility model provides a double oil pipe suspension device with pipeline protection function. It adopts a symmetrical two-half structure design. The suspension body is equipped with double oil pipes and a crossing sleeve, which facilitates the protection and crossing of pipelines such as downhole safety valve control pipelines and chemical agent injection pipelines. This enables the simultaneous stratified oil production operation of two wells in one well location, which is economical and efficient. Attached Figure Description

[0008] Figure 1 This is a schematic diagram of the present invention.

[0009] Figure 2 This is a schematic diagram of the end face of the suspension body in this utility model.

[0010] Figure 3 This is a partial cross-sectional schematic diagram of the present invention. Detailed Implementation

[0011] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings and examples. The following examples are only used to more clearly illustrate the technical solution of this utility model and should not be construed as limiting the scope of protection of this utility model.

[0012] The specific technical solution of this utility model is as follows:

[0013] like Figures 1 to 3 As shown, a dual oil pipe suspension device with pipeline protection function includes a suspension body 1. The upper end face of the suspension body 1 is provided with a detachable pressure plate 2. A sealing gasket 4 is provided between the suspension body 1 and the pressure plate 2. The suspension body 1 is composed of two symmetrical halves forming a ring. Each half is provided with two channels. An oil pipe 10 passes through one channel, and a through-sleeve 6 passes through the other channel. The through-sleeve 6 is fastened to the suspension body by a nut 8. A pipeline 11 passes through the through-sleeve 6. Both the upper and lower ends of the through-sleeve 6 are connected to pipe clamps 8 by threads. The pipe clamps 8 are fixedly connected to the pipeline 11.

[0014] Preferably, both semicircles of the suspension body 1 are provided with clamping screw holes, and two clamping bolts 5 are threaded through the pressure plate 2, with the clamping bolts 5 threaded into the corresponding clamping screw holes.

[0015] Preferably, a gasket 3 is provided between the sealing gasket 4 and the suspension body 1 and the pressure plate 2, and through holes corresponding to the two channels are provided on the pressure plate 2, the sealing gasket 4 and the gasket 3.

[0016] Preferably, the pressure plate 2 is provided with mounting screw holes, and lifting rings 9 are threadedly connected to the mounting screw holes. There are four lifting rings 9, which are symmetrically arranged on the pressure plate 2.

[0017] In use, the suspension body 1 consists of two symmetrical halves forming a ring. The pressure plate and sealing gasket are installed on the upper surface of the suspension body 1 by clamping bolts. Two sets of oil pipes 10 pass through corresponding channels on the two halves of the suspension body 1. The pipeline 11 of the oil pipe 10 is provided with a through sleeve 6 to protect the pipeline 11 that passes through the well for downhole operation. The upper and lower ends of the through sleeve 6 are clamped and fixed to the pipeline 11 by pipe clamps 8. Then, the through sleeve 6 is installed in another corresponding channel on the two halves of the suspension body 1 and is connected and tightened to the suspension body 1 by the nut 7. The clamping bolt 5, oil pipe 10 and through sleeve 6 all pass through the inside of the sealing ring 4 and form a pre-contact with the sealing ring 4. When working, the pressure plate 2 is pressed and causes the sealing ring 4 to be compressed and deformed. Then, the outer circle of the clamping bolt 5, oil pipe 10 and through sleeve 6 forms a seal. The lifting ring 9 is installed on the pressure plate 2 for lifting each half of the suspension device assembly.

[0018] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A dual tubing hanger with a tubing protection function, characterized in that, The device includes a suspension body, the upper surface of which is provided with a detachable pressure plate. A sealing gasket is provided between the suspension body and the pressure plate. The suspension body is composed of two symmetrical halves forming a ring-shaped whole. Each half has two channels. An oil pipe passes through one channel, and a through-sleeve passes through the other channel. The through-sleeve is fastened to the suspension body by a nut. A pipeline passes through the through-sleeve. Both the upper and lower ends of the through-sleeve are connected to pipe clamps by threads, and the pipe clamps are fixedly connected to the pipeline.

2. The dual tubing hanger with a tubing protection function of claim 1, wherein, Both semicircles of the suspension body are provided with clamping screw holes, and two clamping bolts are provided on the pressure plate. The clamping bolts are threaded into the corresponding clamping screw holes.

3. The dual tubing hanger with a tubing protection function of claim 2, wherein, Gaskets are provided between the sealing gasket and the suspension body and the pressure plate, and through holes corresponding to the two channels are opened on the pressure plate, sealing gasket and gasket.

4. The dual tubing hanger with a tubing protection function of claim 3, wherein, The pressure plate is provided with mounting screw holes, and lifting rings are threaded onto the mounting screw holes. There are four lifting rings, which are symmetrically arranged on the pressure plate.

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