CN212743949U

CN212743949U - Large-drift-diameter water-proof oil extraction packer

Info

Publication number: CN212743949U
Application number: CN202021701071.1U
Authority: CN
Inventors: 李照辉; 成田田
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-16
Filing date: 2020-08-16
Publication date: 2021-03-19
Anticipated expiration: 2030-08-16

Abstract

The utility model discloses a big latus rectum water proof oil recovery packer, including last adapter sleeve, packing element, jaw axle, slips, lower cone, be equipped with top connection one in going up the adapter sleeve, be equipped with the center tube in the top connection one, top connection lower extreme is equipped with the liquid cylinder cover, the hypomere of packing element is equipped with a packing element, and a packing element hypomere is equipped with locking piece one, and the right-hand member of locking piece one is equipped with the connection cylinder cover, and the right-hand member of connecting the cylinder cover is equipped with the hydraulic cylinder section, connects cylinder cover middle part left end and is equipped with locking piece three, and the hypomere of connecting the cylinder cover is equipped with the jaw axle, and the hydraulic cylinder hypomere is equipped with the rand, and jaw axle hypomere is equipped with the cone, accompanies the slips between lower cone and the last cone, and the spring is installed to the interior survey of slips, and the outside of lower cone is equipped with. The utility model discloses a two-way slips anchoring mechanism of bipyramid promotes the anchoring reliability, increases the bearing load, adopts special sealed packing element, and the setting load is little, and the bearing energy is strengthened.

Description

Large-drift-diameter water-proof oil extraction packer

Technical Field

The utility model relates to an oil development field specifically is a big latus rectum water proof oil recovery packer.

Background

The packer is used for layering in an oil production process, an oil production channel is designed on the packer, a piston sleeve ascends during setting, the oil production channel is opened, after setting, an upper pressure acts on a balance piston to push a rubber sleeve upwards, so that a deblocking pin is prevented from shearing force, the deblocking pin is sheared by friction force of the rubber sleeve and a sleeve during deblocking, the piston sleeve descends to close the oil production channel, and in the prior art, the packer is not anchored stably enough, so that the pressure bearing capacity is low. Therefore, the utility model provides a big latus rectum water proof oil recovery packer to solve the problem that proposes in the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a big latus rectum water proof oil recovery packer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a big latus rectum water proof oil recovery packer, includes adapter sleeve, packing element, jaw axle, slips, cone down, be equipped with top connection one in the top connection, be equipped with the center tube in the top connection one, top connection lower extreme is equipped with the liquid cylinder cover, the hypomere of packing element is equipped with a packing element, and top packing element hypomere is equipped with locking piece one, and the right-hand member of locking piece one is equipped with the connection cylinder cover, and the right-hand member of connecting the cylinder cover is equipped with the liquid cylinder cover, and connection cylinder cover middle part left end is equipped with locking piece three, and the hypomere of connecting the cylinder cover is equipped with the jaw axle, and the liquid cylinder cover hypomere is equipped with the rand, and jaw axle hypomere is equipped with the cone down, accompanies the slips between cone and the last cone, and the spring is installed to the interior survey of slips, and the outside of lower cone.

As a further proposal of the utility model, a shear pin II is arranged between the upper joint I and the upper connecting sleeve.

As a further proposal of the utility model, the cavity arranged in the hydraulic cylinder sleeve is communicated with the central tube, and a piston is clamped between the lower part of the hydraulic cylinder sleeve and the central tube.

As a further proposal of the utility model, the locking piece is positioned at the lower section of the supporting ring, and the abdominal cavity is clamped between the locking piece three and the locking piece one.

As a further proposal of the utility model, the right end of the upper cone body upper part is provided with a shear pin I.

As a further proposal of the utility model, a support ring is clamped between the rubber tube and the central tube, and the top rubber tube is positioned outside the support ring.

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

the utility model discloses a two-way slips anchoring mechanism of bipyramid promotes the anchoring reliability, increases the bearing load, adopts special sealed packing element, and the setting load is little, and the bearing energy is strengthened.

Drawings

Fig. 1 is a schematic structural diagram of a large-drift-diameter water-resisting oil production packer.

Fig. 2 is a schematic structural diagram of a central pipe in a large-drift-diameter water-resisting oil production packer.

Fig. 3 is a schematic structural diagram of an abdominal cavity in a large-drift-diameter water-resisting oil extraction packer.

In the figure: 1. an upper joint; 2. an upper connecting sleeve; 3. a piston; 4. a rubber cylinder; 5. locking a first block; 6. connecting the cylinder sleeve; 7. a horse gear shaft; 8. a collar; 9. slips; 10. a second locking block; 11. a lower joint; 12. connecting sleeves; 13. a lower cone; 14. a spring; 15. shearing a first nail; 16. a hydraulic cylinder barrel; 17. a third locking block; 18. pushing a rubber cylinder; 19. a central tube; 20. a cylinder liner; 21. a second shear pin; 22. a support ring; 23. an upper cone; 24. the abdominal cavity.

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 to 3, in the embodiment of the present invention, a large-bore water-proof oil extraction packer comprises an upper connecting sleeve 2, a rubber cylinder 4, a jaw shaft 7, a slip 9, and a lower cone 13, wherein an upper joint 1 is arranged in the upper connecting sleeve 2, a shear pin two 21 is arranged between the upper joint 1 and the upper connecting sleeve 2, a central pipe 19 is arranged in the upper joint 1, a hydraulic cylinder sleeve 20 is arranged at the lower end of the upper joint 1, a cavity is arranged in the hydraulic cylinder sleeve 20 and is communicated with the central pipe 19, a piston 3 is clamped between the lower part of the hydraulic cylinder sleeve 20 and the central pipe 19, a top rubber cylinder 18 is arranged at the lower section of the rubber cylinder 4, a support ring 22 is clamped between the rubber cylinder 4 and the central pipe 19, the top rubber cylinder 18 is positioned outside the support ring 22, a lock block one 5 is arranged at the lower section of the top rubber cylinder 18, a connecting cylinder sleeve 6 is arranged at the right end of the lock block one 5, a hydraulic cylinder 16 is arranged at, the third locking block 17 is located at the lower section of the support ring 22, an abdominal cavity 24 is clamped between the third locking block 17 and the first locking block 5, a jaw shaft 7 is arranged at the lower section of the connecting cylinder sleeve 6, a clamping ring 8 is arranged at the lower section of the hydraulic cylinder barrel 16, an upper cone 23 is arranged at the lower section of the jaw shaft 7, a shear pin 15 is arranged at the right end of the upper portion of the upper cone 23, a slip 9 is clamped between a lower cone 13 and the upper cone 23, a spring 14 is installed at the inner side of the slip 9, a connecting sleeve 12 is arranged on the outer side of the lower cone 13, a second locking block 10 is arranged at the connecting position of the middle portion of the connecting sleeve 12 and.

The utility model discloses a theory of operation is: the connecting sleeve 12 moves downwards to cut the first shear pin 15 and the second shear pin 21, the lower cone 13 is pushed to move upwards, the slip 9 is opened to be anchored, meanwhile, the first locking block 5 and the third locking block 17 are released, the connecting cylinder sleeve 6 moves upwards to extrude the top rubber sleeve 18, the top rubber sleeve 18 pushes the rubber sleeve 4, and sealing oil in the rubber sleeve 4 forms packer setting.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A large-drift-diameter water-proof oil extraction packer comprises an upper connecting sleeve (2), a rubber cylinder (4), a jaw shaft (7), a slip (9) and a lower cone body (13), and is characterized in that an upper connector I (1) is arranged in the upper connecting sleeve (2), a central pipe (19) is arranged in the upper connector I (1), a liquid cylinder sleeve (20) is arranged at the lower end of the upper connector I (1), a top rubber cylinder (18) is arranged at the lower section of the rubber cylinder (4), a first locking block (5) is arranged at the lower section of the top rubber cylinder (18), a connecting cylinder sleeve (6) is arranged at the right end of the first locking block (5), a liquid cylinder barrel (16) is arranged at the right end of the connecting cylinder sleeve (6), a third locking block (17) is arranged at the left end of the middle of the connecting cylinder sleeve (6), the jaw shaft (7) is arranged at the lower section of the connecting cylinder sleeve (6), a clamping ring (8) is arranged at the lower section of the liquid cylinder barrel (16), the upper cone body (23) is arranged at, a spring (14) is installed on the inner side of the slip (9), a connecting sleeve (12) is arranged on the outer side of the lower cone (13), a second locking block (10) is arranged at the joint of the middle of the connecting sleeve (12) and the central pipe (19), and a lower joint (11) is arranged at the lower end of the connecting sleeve (12).

2. The large-drift-diameter water-resisting oil production packer as claimed in claim 1, wherein a shear pin II (21) is arranged between the upper joint I (1) and the upper connecting sleeve (2).

3. The large-drift-diameter water-resisting oil extraction packer as claimed in claim 1, wherein a chamber arranged in the hydraulic cylinder sleeve (20) is communicated with the inside of the central pipe (19), and a piston (3) is clamped between the lower part of the hydraulic cylinder sleeve (20) and the central pipe (19).

4. The large-drift-diameter water-resisting oil production packer as claimed in claim 1, wherein the third locking block (17) is positioned at the lower section of the support ring (22), and an abdominal cavity (24) is clamped between the third locking block (17) and the first locking block (5).

5. The large-drift-diameter water-resisting oil extraction packer as claimed in claim 1, wherein a shear pin I (15) is arranged at the right end of the upper part of the upper cone (23).

6. A large bore riser packer according to claim 1, characterised in that a support ring (22) is sandwiched between the packing element (4) and the central pipe (19), and the top packing element (18) is located outside the support ring (22).