CN213838575U

CN213838575U - Oil well packer

Info

Publication number: CN213838575U
Application number: CN202022722820.5U
Authority: CN
Inventors: 徐璐; 张广君; 龙伟庆; 韩士军; 李明新; 李旭; 郑佳音; 王淼; 张连梅; 韩笑; 常炳才; 李晗丽; 高永宏; 李欣; 熊瑾�; 崔宇; 曲圆; 郑艳梅; 李宁; 董明
Original assignee: Liaohe Petroleum Exploration Bureau
Current assignee: Liaohe Petroleum Exploration Bureau
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-07-30
Anticipated expiration: 2030-11-23

Abstract

The utility model relates to a packer technical field just discloses an oil well packer, including passive swiveling wheel, the fixed orifices has been seted up in running through at passive swiveling wheel middle part, rotatory district has been seted up on passive swiveling wheel surface, rotatory district bottom fixed mounting has the backing plate, the inside movable mounting of rotatory district has the rotary rod. This kind of oil well packer, the backing plate is used for making the rotary rod can not surpass the rotatory district bottom, can drive passive swiveling wheel when initiative swiveling wheel rotates and rotate, passive swiveling wheel can make its inside rotary rod at rotatory district inside activity, when the rotary rod is when inside activity, can drive diffusion pole and diffuser plate and remove, then move to the outside through the diffuser plate, make the diameter grow of sealing washer, progressively laminate inside the pipeline, reached at last adaptation multiple pipeline size, do benefit to the purpose that multiple pipeline used, it generally has the packer to adapt to not completely to different pipeline sizes to have solved current packer, be unfavorable for the problem that multiple pipeline used.

Description

Oil well packer

Technical Field

The utility model relates to a packer technical field specifically is an oil well packer.

Background

The packer of oil well is to have elastic sealing element, and seal and separate the annular space between the tubular column and well bore and between the tubular columns of various sizes by this, and isolate the producing zone, in order to control the produced fluid, the downhole tool of the protective sleeve, the packer is used for layering in the oil production engineering, there are oil recovery channels on the packer, while setting up, the piston sleeve goes upward, the oil recovery channel is opened; after the setting, the upper layer pressure acts on the balance piston to push the rubber cylinder upwards, so that the deblocking pin is prevented from shearing force; when the oil extraction channel is unsealed, the unsealing pin is cut off by the friction force between the rubber sleeve and the sleeve, and the piston sleeve moves downwards to close the oil extraction channel.

Along with the exploitation in a large number in oil field, the exploitation condition in remaining oil field is more and more poor, and the exploitation equipment quality that demands is also more and more high, and current packer generally has the packer to not adapt to completely to different pipeline sizes, and can lead to the sand and stone to discharge the center tube jam that the efficiency and the sand and stone filter quality difference lead to, is unfavorable for multiple pipeline to use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an oil well packer possesses the multiple pipeline size of adaptation, does benefit to advantages such as multiple pipeline use, has solved the current packer that the background art provided and has generally existed the packer and can not adapt to completely to different pipeline sizes, and can lead to the central tube that grit discharge efficiency and grit filter mass difference lead to block up, is unfavorable for the problem that multiple pipeline used.

(II) technical scheme

For realizing above-mentioned multiple pipeline size of adaptation, do benefit to the purpose that multiple pipeline used, the utility model provides a following technical scheme: the utility model provides an oil well packer, includes passive swiveling wheel, the fixed orifices has been seted up at passive swiveling wheel middle part run through, rotatory district has been seted up on passive swiveling wheel surface, rotatory district bottom fixed mounting has the backing plate, the inside movable mounting in rotatory district has the rotary rod, the inside movable mounting of rotary rod has the diffusion pole, diffusion pole side fixed mounting has the diffuser plate, diffuser plate side swing joint has the sealing washer, passive swiveling wheel side swing joint has the initiative swiveling wheel, the middle part of initiative swiveling wheel runs through and has seted up the rotation hole.

Preferably, the thickness of initiative swiveling wheel is the same with the diameter of passive swiveling wheel, the diameter of initiative swiveling wheel is less than the diameter of passive swiveling wheel, the width in rotatory district and the diameter phase-match of swiveling lever, the length of swiveling lever is greater than the thickness of passive swiveling wheel, the size of backing plate is the same with the bottom size in rotatory district.

Preferably, the inside fixed mounting who rotates the hole has the dwang, the inside movable mounting of fixed orifices has the restriction pole, restriction pole bottom fixed mounting has the access strap, the connecting hole has been seted up to the upper portion side of access strap, the one end fixed mounting of dwang has the motor.

Preferably, the diameter of the rotating rod is matched with that of the rotating hole, and the diameter of the fixing hole is the same as that of the limiting rod.

Preferably, the length of the limiting rod is smaller than that of the rotating rod, the diameter of the butt strap is larger than that of the sealing ring, and the rotating rod is located inside the connecting hole.

Preferably, the number of the rotating rods, the diffusion rods and the diffusion plates is six and the rotating rods, the diffusion rods and the diffusion plates are circumferentially distributed, and the diameter of the sealing ring is larger than the diameter of the six diffusion plates.

(III) advantageous effects

Compared with the prior art, the utility model discloses possess following beneficial effect: the oil well packer can be placed inside an oil well by the whole device, a motor drives a rotating rod to rotate when being started, an active rotating wheel connected with the rotating rod can rotate by the rotation of the rotating rod, a rotating area can limit the moving range of the rotating rod, a backing plate is used for preventing the rotating rod from exceeding the bottom of the rotating area, a passive rotating wheel can be driven to rotate when the active rotating wheel rotates, the passive rotating wheel can enable the rotating rod inside the passive rotating wheel to move inside the rotating area, when the rotating rod moves inside, a diffusion rod and a diffusion plate can be driven to move, then the diffusion plate moves outwards, the diameter of a sealing ring is increased, the sealing ring is gradually attached to the inside of a pipeline, finally, the purpose of adapting to various pipeline sizes is achieved, the purpose of adapting to the use of various pipelines is facilitated, the problems that the existing packer can not adapt to the whole for different pipeline sizes and the central pipe blockage caused by the difference of sandstone discharge efficiency and sandstone filtration quality are solved, is not beneficial to the use of various pipelines.

Drawings

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

FIG. 2 is a schematic view of the overall front view structure of the present invention;

FIG. 3 is a schematic view of the bottom view of the present invention;

fig. 4 is a schematic view of a part of the top view structure of the present invention.

In the figure: 1. a passive rotator wheel; 2. a fixing hole; 3. a rotation zone; 4. a base plate; 5. rotating the rod; 6. a diffusion rod; 7. a diffusion plate; 8. a seal ring; 9. a driving rotating wheel; 10. rotating the hole; 11. a restraining bar; 12. rotating the rod; 13. a butt strap; 14. connecting holes; 15. an electric motor.

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.

Examples

Referring to fig. 1-4, an oil well packer comprises a passive rotating wheel 1, which can drive a rotating rod 5 to move in a rotating area 3, wherein a fixing hole 2 is formed in the middle of the passive rotating wheel 1 for installing a limiting rod 11, the surface of the passive rotating wheel 1 is provided with a rotating area 3 for limiting the moving range of the rotating rod 5, a backing plate 4 is fixedly installed at the bottom of the rotating area 3 for preventing the rotating rod 5 from exceeding the bottom of the rotating area 3, the rotating rod 5 is movably installed in the rotating area 3 and can drive a diffusion rod 6 to move, the inside of the rotating rod 5 is movably installed with a diffusion rod 6, the side of the diffusion rod 6 is fixedly installed with a diffusion plate 7, the outside diffusion can make the sealing ring 8 adhere to the inner wall of a pipeline, the side of the diffusion plate 7 is movably connected with a sealing ring 8, the side of the passive rotating wheel 1 is movably connected with an active rotating wheel 9 for driving the passive rotating wheel 1, the middle of the active rotating wheel 9 is provided with a rotating hole 10, used for installing a rotating rod 12, the thickness of the active rotating wheel 9 is the same as the diameter of the passive rotating wheel 1, the diameter of the active rotating wheel 9 is smaller than the diameter of the passive rotating wheel 1, the width of the rotating area 3 is matched with the diameter of the rotating rod 5, the length of the rotating rod 5 is larger than the thickness of the passive rotating wheel 1, the size of the backing plate 4 is the same as the size of the bottom of the rotating area 3, the internal fixed mounting of the rotating hole 10 is provided with the rotating rod 12, the active rotating wheel 9 is driven to rotate, the internal movable mounting of the fixed hole 2 is provided with a limiting rod 11, the bottom of the limiting rod 11 is fixedly provided with an access board 13, the upper side surface of the access board 13 is provided with a connecting hole 14, one end of the rotating rod 12 is fixedly provided with a motor 15, the diameter of the rotating rod 12 is matched with the diameter of the rotating hole 10, the diameter of, the rotating rods 12 are located inside the connecting holes 14, the number of the rotating rods 5, the diffusion rods 6 and the diffusion plates 7 is six, the rotating rods and the diffusion plates are circumferentially distributed, and the diameters of the sealing rings 8 are larger than the diameters of the six diffusion plates 7.

The working principle of the oil well packer is as follows:

in the working process, the whole device is firstly placed in an oil well, a starting motor 15 drives a rotating rod 12 to rotate, a driving rotating wheel 9 connected with the rotating rod 12 can rotate through the rotation of the rotating rod 12, the driving rotating wheel 9 can drive a driven rotating wheel 1 to rotate, a rotating rod 5 inside the rotating rod can move in a rotating area 3 through the rotation of the driven rotating wheel 1, when the rotating rod 5 moves in the rotating area, a diffusion rod 6 and a diffusion plate 7 can be driven to move, then the rotating rod moves towards the outside through the diffusion plate 7, the diameter of a sealing ring 8 is increased, the sealing ring is gradually attached to the inside of a pipeline, finally, the purpose of adapting to various pipeline sizes is achieved, the problem that the conventional packer cannot be completely adapted to different pipeline sizes and the central pipe blockage caused by the difference of sandstone discharge efficiency and sandstone filtration quality is solved, is not beneficial to the use of various pipelines.

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. An oil well packer comprising a passively rotating wheel (1), characterized in that: passive swiveling wheel (1) middle part is run through and has been seted up fixed orifices (2), rotatory district (3) have been seted up on passive swiveling wheel (1) surface, rotatory district (3) bottom fixed mounting has backing plate (4), rotatory district (3) inside movable mounting has rotary rod (5), rotary rod (5) inside movable mounting has diffusion pole (6), diffusion pole (6) side fixed mounting has diffuser plate (7), diffuser plate (7) side swing joint has sealing washer (8), passive swiveling wheel (1) side swing joint has initiative swiveling wheel (9), the middle part of initiative swiveling wheel (9) is run through and has been seted up rotation hole (10).

2. An oil well packer as claimed in claim 1, wherein: the thickness of initiative swiveling wheel (9) is the same with the diameter of passive swiveling wheel (1), the diameter of initiative swiveling wheel (9) is less than the diameter of passive swiveling wheel (1), the width of rotatory district (3) and the diameter phase-match of rotary rod (5), the length of rotary rod (5) is greater than the thickness of passive swiveling wheel (1), the size of backing plate (4) is the same with the bottom size of rotatory district (3).

3. An oil well packer as claimed in claim 1, wherein: the inside fixed mounting who rotates hole (10) has dwang (12), the inside movable mounting of fixed orifices (2) has restriction lever (11), restriction lever (11) bottom fixed mounting has access board (13), connecting hole (14) have been seted up to the upper portion side of access board (13), the one end fixed mounting of dwang (12) has motor (15).

4. An oil well packer as claimed in claim 3, wherein: the diameter of dwang (12) and the diameter phase-match of rotating hole (10), the diameter of fixed orifices (2) is the same with the diameter of restriction pole (11).

5. An oil well packer as claimed in claim 3, wherein: the length of restriction pole (11) is less than the length of dwang (12), the diameter of access board (13) is greater than the diameter of sealing washer (8), dwang (12) are located inside connecting hole (14).

6. An oil well packer as claimed in claim 1, wherein: the quantity of rotary rod (5) and diffusion pole (6) and diffuser plate (7) is six and be the circumference and distribute, the diameter of sealing washer (8) is greater than six the diameter of diffuser plate (7).