CN216342025U

CN216342025U - Anti-sticking packer

Info

Publication number: CN216342025U
Application number: CN202122537043.1U
Authority: CN
Inventors: 于增杰; 郭广军; 邹升勇; 颜子航; 张硕; 徐征; 邢天汇; 秦闯; 孙士新; 刘安琪; 杨姗; 毕明瀚; 罗龙国; 曹琦; 潘铎; 高崇添; 闫倩露; 赵绘青; 袁璐; 韩士军
Original assignee: Liaohe Petroleum Exploration Bureau
Current assignee: Liaohe Petroleum Exploration Bureau
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-04-19
Anticipated expiration: 2031-10-21

Abstract

The utility model provides an anti-blocking packer, which relates to the technical field of packers and comprises a spring shell, wherein a fixed rod is fixedly arranged at the bottom of the spring shell, a spring block is welded at the top of the fixed rod, a spring is welded at the top of the spring block, a first threaded rod is connected with the internal thread of a threaded hole in a threaded manner, the bottom of the first threaded rod is attached to the top of a spring plate, a first mounting shell is welded at the top of the first connecting rod, a first mounting thread is arranged inside the first mounting shell, and the internal thread of the first mounting thread is connected with a second threaded rod. According to the utility model, the first threaded rod is arranged in the spring shell, the second threaded rod is arranged in the first mounting shell after the first threaded rod is fixed, the third threaded rod is arranged in the second mounting shell after the third threaded rod is fixed, the device can be screwed down again by utilizing the disassembly thread at the top of the third connecting rod, and the spring plate is used for sealing the whole device after the device is installed during reuse.

Description

Anti-sticking packer

Technical Field

The utility model relates to the technical field of packers, in particular to an anti-blocking packer.

Background

A packer refers to a downhole tool having an elastomeric sealing element whereby the annulus between the string and the wellbore and between strings of various sizes is sealed off and the producing zone isolated to control production fluids and protect the casing.

However, in the prior art, the existing packer can well seal liquid or give solid, but does not have a recovery device, some liquid can contain a small amount of impurities in the viscous raw materials, the impurities can easily enter a gap between a pipeline and the packer, if the impurities are generated in the gap between the pipeline and the packer, the packer can be easily clamped in the pipeline, and the packer is difficult to remove after being used.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, the recovery device is arranged, some liquid viscous raw materials contain a small amount of impurities, the impurities can easily enter a gap between a pipeline and a packer, if the impurities appear in the gap between the pipeline and the packer, the packer is not easily clamped in the pipeline, and the packer can be easily removed after use.

In order to achieve the purpose, the utility model adopts the following technical scheme: an anti-blocking packer comprises a spring shell, wherein a fixed rod is fixedly installed at the bottom of the spring shell, a spring block is welded at the top of the fixed rod, a spring is welded at the top of the spring block, a threaded hole is formed in the top of the spring shell, a first threaded rod is connected with the internal thread of the threaded hole, the bottom of the first threaded rod is attached to the top of a spring plate, a first connecting rod is fixedly welded at the top of the first threaded rod, a first installation shell is welded at the top of the first connecting rod, a first installation thread is formed in the first installation shell, a second threaded rod is connected with the internal thread of the first installation thread, a second connecting rod is welded at the top of the second threaded rod, a second installation shell is welded at the top of the second connecting rod, a first shell is welded at the top of the spring shell, and a first connecting plate is fixedly installed on the outer surface of the first shell, the top fixed mounting of first connecting plate has first rubber circle, the top fixed mounting of first rubber circle has the second connecting plate, the internal fixed surface of second connecting plate installs the second shell, the external fixed surface of second shell installs the third connecting plate.

Preferably, the top welding of spring has the spring board, the top welding of dead lever has the slip box, the internal surface of slip box and the surface of spring board are laminated mutually.

Preferably, a second mounting thread is formed in the second mounting shell, a third threaded rod is connected to the inner thread of the second mounting thread, a third connecting rod is welded to the top of the third threaded rod, and a dismounting thread is formed in the top of the third connecting rod.

Preferably, a second rubber ring is fixedly mounted at the top of the third connecting plate, a fourth connecting plate is fixedly mounted at the top of the second rubber ring, and a third shell is fixedly mounted on the inner surface of the fourth connecting plate.

Preferably, the inner surface of the first outer casing is adapted to the outer surface of the first mounting case, and the inner surface of the second outer casing is adapted to the outer surface of the second mounting case.

Preferably, the outer surface of the third housing is adapted to the outer surface of the third connecting rod.

Compared with the prior art, the utility model has the beneficial effects that:

1. installing a first threaded rod in a spring shell, installing a second threaded rod in a first installation shell after the first threaded rod is fixed, installing a third threaded rod in a second installation shell after the third threaded rod is fixed, then screwing down the device again by utilizing a disassembly thread at the top of a third connecting rod, installing a spring plate for sealing the whole device when the device is reused, pressing down the spring when the first threaded rod is installed, pressing down the spring to press the spring, attaching the spring plate to the inside of a sliding box, and before the first threaded rod is installed, keeping the spring plate away from the sliding box under the elastic force of the spring, so that the device can play a role of ventilation and restoration, wherein some liquid raw materials with higher viscosity contain a small amount of impurities which can easily enter a gap between a pipeline and a packer, and if impurities appear in the gap between the pipeline and the packer, the packer is not easy to be blocked inside the pipeline and is easy to be removed after being used.

2. After the internal structure is installed, a detaching thread connection auxiliary tool can be utilized, when a third connecting rod at the bottom of the thread is detached in a rotating mode, a third threaded rod at the bottom of the third connecting rod rotates simultaneously, threads on the third connecting rod and threads inside a second installation shell can be screwed tightly, the third connecting rod is used for being connected with a third shell and a second shell, a second rubber ring installed between a fourth connecting plate installed on the third shell and a third connecting plate installed on the second shell is extruded outwards when being extruded, liquid and gas can be used for sealing off, the second connecting rod can be rotated when the second installation shell rotates, a second threaded rod at the bottom of the second connecting rod rotates simultaneously, threads on the third connecting rod and threads inside a first installation shell can be screwed tightly, the second shell and the first shell are connected, a first rubber ring installed between a second connecting plate installed on the second shell and a first connecting plate installed on the first shell is extruded The outer extrusion can be used for sealing off some liquid and gas.

Drawings

FIG. 1 is a front view of an anti-sticking packer according to the present invention;

FIG. 2 is a bottom view of an anti-sticking packer according to the present invention;

FIG. 3 is a perspective view of a first installation shell of an anti-sticking packer in accordance with the present invention.

Illustration of the drawings:

1. a first housing; 2. fixing the rod; 3. a spring block; 4. a spring; 5. a spring plate; 6. a slide box; 7. a threaded hole; 8. a spring shell; 9. a first threaded rod; 10. a first connecting rod; 11. a first mounting case; 12. a second threaded rod; 13. a second connecting rod; 14. a second mounting case; 15. a third threaded rod; 16. a third connecting rod; 17. disassembling the threads; 18. a second housing; 19. a third housing; 20. a first connecting plate; 21. a first rubber ring; 22. a second connecting plate; 23. a third connecting plate; 24. a second rubber ring; 25. and a fourth connecting plate.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1 to 3, the utility model provides an anti-sticking packer, which comprises a spring casing 8, a fixing rod 2 is fixedly installed at the bottom of the spring casing 8, a spring block 3 is welded at the top of the fixing rod 2, a spring 4 is welded at the top of the spring block 3, a threaded hole 7 is formed at the top of the spring casing 8, a first threaded rod 9 is connected to the internal thread of the threaded hole 7, the bottom of the first threaded rod 9 is attached to the top of a spring plate 5, a first connecting rod 10 is fixedly welded at the top of the first threaded rod 9, a first mounting casing 11 is welded at the top of the first connecting rod 10, a first mounting thread is formed inside the first mounting casing 11, a second threaded rod 12 is connected to the internal thread of the first mounting thread, a second connecting rod 13 is welded at the top of the second threaded rod 12, a second mounting casing 14 is welded at the top of the second connecting rod 13, and the spring plate 5 is welded at the top of the spring 4, the top of the fixed rod 2 is welded with a sliding box 6, and the inner surface of the sliding box 6 is attached to the outer surface of the spring plate 5.

The whole embodiment 1 achieves the effects that the device is firstly placed in a pipeline, a first threaded rod 9 is installed in a spring shell 8, a second threaded rod 12 is installed in a first installation shell 11 after the first threaded rod is fixed, a third threaded rod 15 is installed in a second installation shell 14 after the first threaded rod is fixed, the device can be screwed down again by utilizing a disassembly thread 17 at the top of a third connecting rod 16, a spring plate 5 is used for sealing the whole device after the device is installed during reuse, the spring 4 can be pressed down when the first threaded rod 9 is installed, the spring 4 can be pressed down, the spring plate 5 is attached to the inside of a sliding box 6, the spring plate 5 is far away from the sliding box 6 under the elastic force of the spring 4 before the first threaded rod 9 is installed, the ventilation effect can be achieved, a recovery device is installed, and a small amount of impurities can be contained in a thick liquid raw material, these impurity very easily enter into the pipeline and the packer installation inside the gap, if the pipeline appears impurity with the inside in the gap of packer installation, be difficult to die the packer card inside the pipeline, demolish very easily after the use.

Embodiment 2, as shown in fig. 1 and 2, a first shell 1 is welded on the top of a spring shell 8, a first connecting plate 20 is fixedly installed on the outer surface of the first shell 1, a first rubber ring 21 is fixedly installed on the top of the first connecting plate 20, a second connecting plate 22 is fixedly installed on the top of the first rubber ring 21, a second shell 18 is fixedly installed on the inner surface of the second connecting plate 22, a third connecting plate 23 is fixedly installed on the outer surface of the second shell 18, a second mounting thread is formed inside a second mounting shell 14, a third threaded rod 15 is connected to the inner thread of the second mounting thread, a third connecting rod 16 is welded on the top of the third threaded rod 15, a dismounting thread 17 is formed on the top of the third connecting rod 16, a second rubber ring 24 is fixedly installed on the top of the third connecting plate 23, a fourth connecting plate 25 is fixedly installed on the top of the second rubber ring 24, a third shell 19 is fixedly installed on the inner surface of the fourth connecting plate 25, the inner surface of the first housing 1 is adapted to the outer surface of the first mounting shell 11, the inner surface of the second housing 18 is adapted to the outer surface of the second mounting shell 14, and the outer surface of the third housing 19 is adapted to the outer surface of the third connecting rod 16.

The whole embodiment 2 has the effects that after the internal structure is installed, the auxiliary tool can be connected by using the dismounting screw thread 17, when the third connecting rod 16 at the bottom of the dismounting screw thread 17 is rotated, the third screw thread 15 at the bottom of the third connecting rod 16 is simultaneously rotated, so that the screw thread on the third connecting rod can be mutually screwed with the screw thread in the second installing shell 14 to be used for connecting the third shell 19 and the second shell 18, the second rubber ring 24 arranged between the fourth connecting plate 25 arranged on the third shell 19 and the third connecting plate 23 arranged on the second shell 18 can be outwards extruded when being extruded to be used for sealing off some liquid and gas, the second connecting rod 13 can be rotated when the second installing shell 14 is rotated, the second screw thread 12 at the bottom of the second connecting rod 13 can be simultaneously rotated to mutually screw the screw thread on the second connecting rod and the screw thread in the first installing shell 11, the first rubber ring 21 used for connecting the second shell 18 and the first shell 1, which is arranged between the second connecting plate 22 arranged on the second shell 18 and the first connecting plate 20 arranged on the first shell 1, is extruded outwards when being extruded, and can be used for sealing some liquid and gas.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. An anti-sticking packer, includes spring shell (8), its characterized in that: the spring plate is characterized in that a fixing rod (2) is fixedly mounted at the bottom of the spring shell (8), a spring block (3) is welded at the top of the fixing rod (2), a spring (4) is welded at the top of the spring block (3), a threaded hole (7) is formed in the top of the spring shell (8), a first threaded rod (9) is connected with an internal thread of the threaded hole (7), the bottom of the first threaded rod (9) is attached to the top of the spring plate (5), a first connecting rod (10) is fixedly welded at the top of the first threaded rod (9), a first mounting shell (11) is welded at the top of the first connecting rod (10), a first mounting thread is formed inside the first mounting shell (11), a second threaded rod (12) is connected with the internal thread of the first mounting thread, a second connecting rod (13) is welded at the top of the second threaded rod (12), the welding of the top of second connecting rod (13) has second installation shell (14), the welding of the top of spring shell (8) has first shell (1), the external fixed surface of first shell (1) installs first connecting plate (20), the top fixed mounting of first connecting plate (20) has first rubber circle (21), the top fixed mounting of first rubber circle (21) has second connecting plate (22), the internal fixed surface of second connecting plate (22) installs second shell (18), the external fixed surface of second shell (18) installs third connecting plate (23).

2. The anti-sticking packer of claim 1, wherein: the top welding of spring (4) has spring board (5), the top welding of dead lever (2) has smooth box (6), the internal surface of smooth box (6) is laminated with the surface of spring board (5) mutually.

3. The anti-sticking packer of claim 1, wherein: the second installation screw thread has been seted up to the inside of second installation shell (14), and the internal thread connection of second installation screw thread has third threaded rod (15), the top welding of third threaded rod (15) has third connecting rod (16), dismantlement screw thread (17) have been seted up at the top of third connecting rod (16).

4. The anti-sticking packer of claim 1, wherein: the top fixed mounting of third connecting plate (23) has second rubber circle (24), the top fixed mounting of second rubber circle (24) has fourth connecting plate (25), the internal surface fixed mounting of fourth connecting plate (25) has third shell (19).

5. The anti-sticking packer of claim 1, wherein: the inner surface of the first outer shell (1) is matched with the outer surface of the first mounting shell (11), and the inner surface of the second outer shell (18) is matched with the outer surface of the second mounting shell (14).

6. The anti-sticking packer of claim 4, wherein: the outer surface of the third shell (19) is matched with the outer surface of the third connecting rod (16).