CN213684053U

CN213684053U - Tension tubing hanger

Info

Publication number: CN213684053U
Application number: CN202021993455.5U
Authority: CN
Inventors: 王甫斌; 费后昌
Original assignee: Jinhu Yuanjing Machinery Co ltd
Current assignee: Jinhu Yuanjing Machinery Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-07-13
Anticipated expiration: 2030-09-14

Abstract

The utility model discloses a tension tubing hanger, including pipe hanger body and spring, the outside of pipe hanger body is provided with the cover body, and the surface of the cover body has seted up the draw-in groove, the inside of draw-in groove is provided with first close circle, the external side of cover is provided with the second sealing washer, annular slide's end is provided with spacing cell body, the fixed surface of pipe hanger body has the entering body, and the inside of pipe hanger body is provided with the interconnection and takes over, the fixed surface of interconnection and take over has the flank of screw, the left and right sides of interconnection and take over all is equipped with the telescopic link, and the end-to-end connection of telescopic link has the activity spheroid, the spring is located the top of telescopic link. The tension tubing hanger can reduce the friction force between the telescopic rod and the connecting device through the movable ball body, the condition that the telescopic rod is excessively worn is avoided, the telescopic rod which is elastically telescopic can form effective pressure on the joint of the inner connecting pipe and the connecting device, the condition that the joint is not loosened is avoided, and the connecting effect of the joint is improved.

Description

Tension tubing hanger

Technical Field

The utility model relates to an oil pipe technical field specifically is a tension tubing hanger.

Background

A tubing hanger is a device that supports a tubing string and seals the annular space between the tubing and the casing. The sealing mode of the oil pipe hanger is that the oil pipe hanger is connected with an oil pipe and is seated in the large four-way cone of the oil pipe hanger by using the gravity of the oil pipe for sealing, the operation is convenient, the wellhead changing speed is high, and the well is safe, so that the sealing mode is commonly used in medium-deep wells and conventional wells.

The existing tubing hanger is troublesome to install, the sealing performance of the joint is not good, the use requirements of people can not be well met, and technical innovation is performed on the basis of the existing tubing hanger aiming at the situation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tension tubing hanger to propose current tubing hanger among the solution above-mentioned background art, the installation is comparatively troublesome, and the junction leakproofness is not fine, can not be fine satisfy people's user demand problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tension oil pipe hanger, includes pipe hanger body and spring, the outside of pipe hanger body is provided with the cover body, and the surface of the cover body has seted up the draw-in groove, the inside of draw-in groove is provided with first tight circle, the external side of cover is provided with the second sealing washer, the left and right sides of the internal surface of cover all is equipped with the entering groove, and the internal surface of the cover body has seted up annular slide, annular slide's end is provided with spacing cell body, the external fixed surface of pipe hanger body has the entering body, and the inside of pipe hanger body is provided with the interconnection takeover, the external fixed surface of interconnection takeover has the screwed body, the left and right sides of interconnection takeover all is equipped with the telescopic link, and the end-to-end.

Preferably, the first close ring is of an O-shaped structure, and the clamping groove is matched with the first close ring in shape size.

Preferably, the second sealing ring forms a clamping structure with the pipe hanger body through the sleeve body, and the second sealing ring is of an O-shaped structure.

Preferably, the sleeve body is symmetrically distributed about a horizontal center line of the second sealing ring, and the inlet grooves are symmetrically distributed about a vertical center line of the sleeve body.

Preferably, a sliding structure is formed between the entering body and the annular slide way, the entering body forms a limiting structure between the limiting groove body and the annular slide way, and the entering body and the entering groove are matched with each other in overall dimension.

Preferably, the cross section of the front end of the inner connecting pipe is in a trapezoidal structure, and the screw body penetrates through the outer surface of the inner connecting pipe.

Preferably, the movable ball body is movably connected with the telescopic rod, and the telescopic rod and the spring form an elastic telescopic structure.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the joint can be effectively sealed through the arranged first close ring, so that the sealing effect of the joint is improved, and the first close ring with mutually matched appearance can be wrapped and fixed, so that the stabilizing effect of the first close ring is improved; the connection can be further effectively sealed through the arranged second sealing ring, the clamping structure is convenient for mounting and dismounting the second sealing ring, and mounting and dismounting efficiency is improved;

2. the symmetrically arranged sleeve bodies can effectively clamp the second sealing ring, the sealing performance of the connecting part can be better due to the arrangement of a plurality of groups, and the symmetrically arranged inlet grooves can symmetrically bear force, so that the stress effect is improved, and the stability is improved; the sliding inlet body can move more conveniently and rapidly through the sliding inlet body, so that the connection efficiency is improved, the sliding inlet body can be effectively limited through the limiting groove body, the excessive sliding condition is avoided, and the stability is improved;

3. the inner connecting pipe with the narrow lower part and the wide upper part can be connected more conveniently, the situation that the inner connecting pipe is difficult to insert is avoided, and the threaded connection can be carried out through the threaded body, so that the connection effect is improved; through the movable ball body that sets up can reduce the frictional force between telescopic link and the connecting device, avoid the condition of telescopic link excessive wear, can form effective pressure through the flexible telescopic link of elasticity to internal connecting pipe and connecting device's junction, avoid the not hard up condition of junction, improve the linkage effect of junction.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the inlet body, the inner connecting pipe, the threaded body, the telescopic rod, the movable ball and the spring of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the sleeve body, the clamping groove, the inlet groove, the annular slide way and the limiting groove body of the present invention;

fig. 4 is a schematic view of a part of an enlarged structure at a in fig. 2 according to the present invention.

In the figure: 1. a pipe hanger body; 2. a sleeve body; 3. a card slot; 4. a first tight loop; 5. a second seal ring; 6. Entering a groove; 7. an annular chute; 8. a limiting groove body; 9. an entry body; 10. an internal connection pipe; 11. a threaded body; 12. a telescopic rod; 13. a movable sphere; 14. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a tension oil pipe hanger, including pipe hanger body 1 and spring 14, the outside of pipe hanger body 1 is provided with the cover body 2, and the surface of the cover body 2 has seted up draw-in groove 3, the inside of draw-in groove 3 is provided with first solid circle 4, the 2 outside of the cover body is provided with second sealing washer 5, the left and right sides of the 2 internal surfaces of the cover body all is equipped with entering groove 6, and the internal surface of the cover body 2 has seted up annular slide 7, the end of annular slide 7 is provided with spacing cell body 8, the external fixed surface of pipe hanger body 1 has the entering body 9, and the inside of pipe hanger body 1 is provided with interconnection and takes over 10, the external fixed surface of interconnection and takes over 10 has the corpus fibrosum 11, the left and right sides of interconnection and taking over 10 all is equipped with telescopic link 12, and.

The utility model discloses in: the first close ring 4 is of an O-shaped structure, and the shape sizes of the clamping groove 3 and the first close ring 4 are mutually matched; can carry out effectual sealing to the junction through the first close circle 4 that sets up to improve the sealed effect of junction, can have the parcel to it through the first close circle 4 that the appearance is anastomotic each other and fix, thereby improve the stable effect of first close circle 4.

The utility model discloses in: the second sealing ring 5 forms a clamping structure with the pipe hanger body 1 through the sleeve body 2, and the second sealing ring 5 is of an O-shaped structure; through the second sealing washer 5 that sets up can be further effective sealed connecting out, the convenient ann of structure of block is torn open second sealing washer 5, improves ann and tears efficiency open.

The utility model discloses in: the sleeve body 2 is symmetrically distributed about the horizontal center line of the second sealing ring 5, and the inlet groove 6 is symmetrically distributed about the vertical center line of the sleeve body 2; the cover body 2 that the symmetry set up not only can form effectual block to second sealing washer 5, and the multiunit setting can make the junction leakproofness better, and the entering groove 6 that sets up through the symmetry can take the shape symmetry atress to improve the atress effect, improve stability.

The utility model discloses in: a sliding structure is formed between the inlet body 9 and the annular slide way 7, the inlet body 9 passes through a limiting groove body 8 and the annular slide way 7 to form a limiting structure, and the shape and the size of the inlet body 9 are matched with those of the inlet groove 6; can let its convenient quick removal more through gliding entering body 9 to improve connection efficiency, can effectively spacing gliding entering body 9 through the spacing cell body 8 that sets up, avoid the excessive condition of slip, improve stability.

The utility model discloses in: the cross section of the front end of the inner connecting pipe 10 is in a trapezoidal structure, and the thread body 11 penetrates through the outer surface of the inner connecting pipe 10; the connection is more convenient through the inner connecting pipe 10 with a narrow lower part and a wide upper part, the situation that the inner connecting pipe is difficult to insert is avoided, and the threaded connection can be carried out through the threaded body 11, so that the connection effect is improved.

The utility model discloses in: the movable ball 13 is movably connected with the telescopic rod 12, and an elastic telescopic structure is formed between the telescopic rod 12 and the spring 14; through the movable ball 13 that sets up can reduce the frictional force between telescopic link 12 and the connecting device, avoid the condition of telescopic link 12 excessive wear, can form effective pressure through the flexible telescopic link 12 of internal connection pipe 10 with the junction of connecting device, avoid the not hard up condition of junction, improve the connection effect of junction.

The working principle of the tension tubing hanger is as follows: firstly, a first tight ring 4 is installed, acting force is applied to the first tight ring 4, so that the first tight ring 4 enters the inside of a clamping groove 3 fixedly connected with a sleeve body 2 under the action of the acting force, then the sleeve body 2 is installed, the acting force is applied to the sleeve body 2, an entering groove 6 is fixedly connected with the sleeve body 2, the entering groove 6 generates the acting force, so that under the action of the acting force, the entering groove 6 enters the inside of an entering body 9 fixedly connected with a pipe hanger body 1, then the sleeve body 2 rotates, so that the entering body 9 slides through an annular slide way 7 fixedly connected with the sleeve body 2, the sliding entering body 9 meets a limiting groove body 8 fixedly connected with the sleeve body 2 for limiting, then a second sealing ring 5 is sleeved on the outer surface of the pipe hanger body 1, when the pipe hanger body is required to be connected with a pipe, the pipe enters the inside of the pipe hanger body 1 and is in threaded connection with a threaded body 11 fixedly connected, at this moment, the pipeline can generate pressure on the movable ball body 13, the telescopic rod 12 is movably connected with the movable ball body 13, the telescopic rod 12 generates pressure, the spring 14 is welded with the telescopic rod 12, and the spring 14 generates pressure and generates deformation to generate reverse acting force.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A tension tubing hanger, comprising a hanger body (1) and a spring (14), characterized in that: the pipe hanger comprises a pipe hanger body (1), wherein a sleeve body (2) is arranged on the outer side of the pipe hanger body (1), a clamping groove (3) is formed in the outer surface of the sleeve body (2), a first tight ring (4) is arranged inside the clamping groove (3), a second sealing ring (5) is arranged on the outer side of the sleeve body (2), an inlet groove (6) is formed in each of the left side and the right side of the inner surface of the sleeve body (2), an annular slide (7) is formed in the inner surface of the sleeve body (2), a limiting groove body (8) is arranged at the tail end of the annular slide (7), an inlet body (9) is fixed on the outer surface of the pipe hanger body (1), an inner connection body (10) is arranged inside the pipe hanger body (1), a threaded body (11) is fixed on the outer surface of the inner connection pipe (10), telescopic rods (12) are arranged on each of, the spring (14) is positioned at the initial end of the telescopic rod (12).

2. A tension tubing hanger as claimed in claim 1, wherein: the first close ring (4) is of an O-shaped structure, and the shape sizes of the clamping groove (3) and the first close ring (4) are mutually matched.

3. A tension tubing hanger as claimed in claim 1, wherein: the second sealing ring (5) forms a clamping structure with the pipe hanger body (1) through the sleeve body (2), and the second sealing ring (5) is of an O-shaped structure.

4. A tension tubing hanger as claimed in claim 1, wherein: the cover body (2) is symmetrically distributed about the horizontal center line of the second sealing ring (5), and the inlet groove (6) is symmetrically distributed about the vertical center line of the cover body (2).

5. A tension tubing hanger as claimed in claim 1, wherein: the entering body (9) and the annular slide way (7) form a sliding structure, the entering body (9) forms a limiting structure through the limiting groove body (8) and the annular slide way (7), and the entering body (9) is matched with the entering groove (6) in overall dimension.

6. A tension tubing hanger as claimed in claim 1, wherein: the cross section of the front end of the inner connecting pipe (10) is in a trapezoidal structure, and the thread body (11) penetrates through the outer surface of the inner connecting pipe (10).

7. A tension tubing hanger as claimed in claim 1, wherein: the movable ball body (13) is movably connected with the telescopic rod (12), and an elastic telescopic structure is formed between the telescopic rod (12) and the spring (14).