CN216588529U - Well head oil pipe hanger go-between device - Google Patents

Well head oil pipe hanger go-between device Download PDF

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Publication number
CN216588529U
CN216588529U CN202122659506.1U CN202122659506U CN216588529U CN 216588529 U CN216588529 U CN 216588529U CN 202122659506 U CN202122659506 U CN 202122659506U CN 216588529 U CN216588529 U CN 216588529U
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CN
China
Prior art keywords
connecting ring
ring body
hanger
control pipeline
oil pipe
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Active
Application number
CN202122659506.1U
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Chinese (zh)
Inventor
吕新鹏
李红生
于亮
胡林枫
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Weifei Marine Equipment Manufacturing Co ltd
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Weifei Marine Equipment Manufacturing Co ltd
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Priority to CN202122659506.1U priority Critical patent/CN216588529U/en
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Publication of CN216588529U publication Critical patent/CN216588529U/en
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Abstract

The utility model relates to the technical field of oil extraction/gas production wellhead hanger devices, in particular to a wellhead tubing hanger connecting ring device which comprises a connecting ring body, wherein the upper part and the lower part of the connecting ring body are provided with internal threads, the middle lower part of the inner wall of the connecting ring body is provided with a sealing groove, a sealing ring is arranged in the sealing groove, the middle lower part of the connecting ring body is transversely provided with a screw hole penetrating through the inside and the outside, the annular wall of the connecting ring body is longitudinally provided with a plurality of liquid control line penetrating holes, one end of each liquid control line penetrating hole is provided with a through hole extending into the connecting ring body, and the other end of each liquid control line penetrating hole is provided with a control line connector. The utility model realizes the function of fixing the control pipeline, avoids the control pipeline from being damaged during installation and reduces the installation difficulty; the oil pipe hanger delivering and taking tool can be used for directly testing the control pipeline of the oil pipe hanger inside a wellhead, and safety is improved. By adopting the structure, the safety door has the characteristics of simple structure, convenience in operation, high safety, low installation difficulty and the like.

Description

Well head oil pipe hanger go-between device
Technical Field
The utility model relates to the technical field of oil extraction/gas production wellhead hanger devices, in particular to a wellhead tubing hanger connecting ring device.
Background
At present, before an oil pipe hanger with a control pipeline is installed, the control pipeline is required to be connected with a pressure test pump for testing, and normal operation of an underground safety valve and the like is guaranteed. After the test is finished, the control pipeline penetrates through a blowout preventer along with the hanger to be seated in a well head step, a reserved connector for ensuring that the control pipeline can be connected to a well head body is needed, enough connection length needs to be reserved for the control pipeline joint, the control pipeline joint is not fixed, the control pipeline is easily crushed when the hanger is installed to be sealed, and when a rotary sealing device installation tool excites a clamping ring to fix the oil pipe hanger, the control pipeline joint is easily rotated along with the tool, the control pipeline joint is easily damaged, the installation difficulty is increased, and therefore the existing integral well head control pipeline installation has the defects of being unsafe and being large in installation difficulty.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model provides a connecting ring device for a wellhead tubing hanger, which solves the problems that a control pipeline is inconvenient to fix and easy to crush and does not rotate along with a hanger sealing tool.
The technical scheme adopted by the utility model for solving the technical problem is as follows: the utility model provides a well head oil pipe hanger go-between device, is equipped with the female screw go-between body including upper portion and lower part, the lower part is equipped with the seal groove in the inner wall of go-between body, be equipped with the sealing washer in the seal groove, the well lower part of go-between body transversely is equipped with and runs through inside and outside screw, vertically be equipped with a plurality of liquid accuse lines on the rampart of go-between body and pass through the hole, liquid accuse line passes through hole one end and is equipped with and extends to the inside perforation of go-between body, the other end is equipped with control line and connects.
As optimization, seal groove and sealing washer all are equipped with 2.
Preferably, the screw hole is internally provided with a hexagon socket head cap fastening screw.
The beneficial effects of the utility model are: according to the connecting ring device for the wellhead tubing hanger, the upper end and the lower end of the interior of the connecting ring body are provided with the connecting threads, and the upper threads are used for connecting a drill rod and the like to take and deliver the hanger; the lower connecting thread is used for being connected with a hanger, the inner part of the lower connecting thread is also provided with two sealing grooves, after a sealing ring is placed in the lower connecting thread, the sealing between the connecting ring body and the oil pipe hanger is used, the outer part of the connecting ring is provided with a screw hole, and after an inner hexagonal set screw is screwed in, the connecting ring body and the oil pipe hanger can be fixed; the connecting ring body of the oil pipe hanger is provided with a plurality of 1/4' hydraulic control line penetrating holes, so that a control pipeline joint can be connected to the connecting ring body of the oil pipe hanger, the fixing function of a control pipeline is realized, the control pipeline is prevented from being damaged during installation, and the installation difficulty is reduced; the oil pipe hanger sending and taking tool can be used for directly testing the control pipeline of the oil pipe hanger inside the wellhead, and safety is improved. By adopting the structure, the device has the characteristics of simple structure, convenience in operation, high safety, low installation difficulty and the like.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of the connection structure of the present invention and the control line;
FIG. 4 is a schematic view of the connection structure of the present invention and the sealing device.
Wherein: 1. the sealing device comprises a connecting ring body, a sealing ring, a control pipeline joint, a screw hole, a perforation, a control pipeline joint, a control pipeline hanger delivery tool, a sealing device mounting tool assembly, a control pipeline hanger assembly, a sealing device exciting snap ring, a control pipeline hanger exciting snap ring, a control pipeline coupling, a control ring, a sealing device mounting tool assembly, a sealing device assembly, 9, a sealing device exciting snap rings, a sealing device mounting tool assembly, a sealing device and a sealing device mounting tool assembly, 9, a sealing device and a sealing device.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
For convenience of description, the words "up", "down", "left" and "right" in the present invention, if any, merely indicate that the directions of movement are consistent with those of the drawings, and are not structural limitations, but merely facilitate the description of the utility model and simplify the description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.
As shown in fig. 1-2, a connecting ring device for a wellhead tubing hanger comprises a connecting ring body 1, the upper part and the lower part of which are provided with internal threads, wherein the upper threads are used for connecting a drill rod and the like to take and deliver the hanger; the lower connecting thread is used for connecting with the hanger; a sealing groove is formed in the middle lower portion of the inner wall of the connecting ring body 1, sealing rings 2 are arranged in the sealing groove, and the sealing grooves and the sealing rings 2 are respectively provided with 2 sealing grooves and 2 sealing rings, are arranged on the lower connecting threads and are used for sealing between the connecting ring body 1 and the oil pipe hanger 6; the middle lower part of the connecting ring body 1 is transversely provided with a screw hole 4 penetrating through the inside and the outside, and an inner hexagonal fastening screw is arranged in the screw hole 4 and can fix the connecting ring body 1 and the oil pipe hanger 6; a plurality of hydraulic control line penetrating holes are longitudinally formed in the annular wall of the connecting ring body 1, one ends of the hydraulic control line penetrating holes are provided with through holes 5 extending into the connecting ring body 1, and the other ends of the hydraulic control line penetrating holes are provided with control pipeline joints 3, so that the control pipeline joints 3 can be connected to the connecting ring body 1 of the oil pipe hanger, the fixing function of a control pipeline is realized, the control pipeline is prevented from being damaged during installation, and the installation difficulty is reduced; the control pipeline of the oil pipe hanger 6 can be directly tested inside the wellhead by utilizing the oil pipe hanger 6 sending and taking tool, so that the safety is improved.
The working principle is as follows: in embodiment 1, according to the connecting ring device for the wellhead tubing hanger provided by the utility model, when in use, as shown in fig. 3, a tubing hanger 6 is in threaded connection with a connecting ring body 1, and a sealing ring 2 is used for sealing between the tubing hanger 6 and the connecting ring body 1, a control line connector 3 penetrating through the tubing hanger 6 is connected to the connecting ring body 1 of the tubing hanger 6, so that the control line connector 3 is fixed and connected, then a tubing hanger 6 sending tool and the tubing hanger connecting ring body 1 are connected, the tubing hanger 6 sending tool is connected with an external pressure test pump, the tubing hanger is installed in a wellhead after connection is completed, and pressure test is performed on a control line, so that pressure test is performed on the control line in the wellhead, and the tubing hanger 6 sending tool is taken out after pressure test is completed.
In embodiment 2, according to the connecting ring device for the wellhead tubing hanger provided by the utility model, when the connecting ring device is used, as shown in fig. 4, an installation tool for the sealing device 10 and the sealing device 10 are installed at a wellhead, and in the installation process, as the control pipeline joint 3 is fixed, the sealing device 10 does not touch the control pipeline joint 3 when the sealing device 10 is installed, so that the control pipeline is prevented from being damaged during installation, and the installation difficulty is reduced. After the sealing device 10 is seated in place, the clamping ring 9 is excited by rotating the mounting tool of the sealing device 10 to fix the sealing device 10, and in the rotating process, the control pipeline joint 3 is fixed, so that the control pipeline joint cannot rotate along with the mounting tool of the sealing device 10, the control pipeline is prevented from being damaged during mounting, and the mounting difficulty is reduced.
The above embodiments are only specific examples of the present invention, and the protection scope of the present invention includes but is not limited to the product forms and styles of the above embodiments, and any suitable changes or modifications made by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.

Claims (3)

1. The utility model provides a well head tubing hanger go-between device which characterized in that: be equipped with the female screw go-between body including upper portion and lower part, the lower part is equipped with the seal groove in the inner wall of go-between body, be equipped with the sealing washer in the seal groove, the well lower part of go-between body transversely is equipped with and runs through inside and outside screw, vertically be equipped with a plurality of liquid accuse lines on the rampart of go-between body and pass through the hole, liquid accuse line passes through hole one end and is equipped with and extends to the inside perforation of go-between body, the other end is equipped with the control line and connects.
2. The wellhead tubing hanger coupling ring device according to claim 1, wherein: seal groove and sealing washer all are equipped with 2.
3. The wellhead tubing hanger coupling ring device according to claim 1, wherein: and the screw hole is internally provided with an inner hexagonal fastening screw.
CN202122659506.1U 2021-11-02 2021-11-02 Well head oil pipe hanger go-between device Active CN216588529U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122659506.1U CN216588529U (en) 2021-11-02 2021-11-02 Well head oil pipe hanger go-between device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122659506.1U CN216588529U (en) 2021-11-02 2021-11-02 Well head oil pipe hanger go-between device

Publications (1)

Publication Number Publication Date
CN216588529U true CN216588529U (en) 2022-05-24

Family

ID=81642914

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122659506.1U Active CN216588529U (en) 2021-11-02 2021-11-02 Well head oil pipe hanger go-between device

Country Status (1)

Country Link
CN (1) CN216588529U (en)

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