CN213269837U

CN213269837U - Telescopic anti-blocking fracturing packer

Info

Publication number: CN213269837U
Application number: CN202022400534.7U
Authority: CN
Inventors: 徐必达
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-05-25
Anticipated expiration: 2030-10-26

Abstract

The utility model discloses a retractable anti-sticking fracturing packer, including first retractable anti-sticking fracturing packer main part, the telescopic anti-sticking fracturing packer main part of second, the right-hand member of first retractable anti-sticking fracturing packer main part has set firmly first connecting pipe, the left end of the telescopic anti-sticking fracturing packer main part of second is equipped with the second connecting pipe that matches with first connecting pipe admittedly, set firmly limit slider on the first connecting pipe, set up the horizontal spout that matches with limit slider on the inner tube wall of second connecting pipe, just still set up the arc spout that matches with limit slider on the inner tube wall of second connecting pipe, the arc spout is located the right side of horizontal spout, arc spout and horizontal spout intercommunication. The utility model discloses a set up first connecting pipe, second connecting pipe, limit slide, horizontal spout, arc spout, make first telescopic anti-sticking fracturing packer main part and the telescopic anti-sticking fracturing packer main part sealing connection of second.

Description

Telescopic anti-blocking fracturing packer

Technical Field

The utility model relates to a relevant technical field of oil especially relates to a retractable anti-sticking fracturing packer.

Background

The oil extraction engineering uses a telescopic anti-sticking fracturing packer to carry out layering, and an oil extraction channel is formed in the telescopic anti-sticking fracturing packer. The telescopic anti-blocking fracturing packer is adopted for layering, so that the water plugging construction procedures of the oil well packer are reduced, and the operation without killing the well and blowing can be conveniently realized. However, because the physical property difference of each part of the oil field is large, the number of layers of low-permeability oil-water wells is large, in order to relieve the pressure difference inside the oil field and realize long-term stable yield of the oil field, a plurality of telescopic anti-blocking fracturing packers are required to be permanently and firmly used for layering for a plurality of times, the pressure of the oil field is further divided, and the pressure between the pressure layers of each oil field tends to be stable.

Therefore, need to couple together a plurality of retractable anti-sticking fracturing packers and use, and the sealing mechanism who couples together retractable anti-sticking fracturing packer is mostly had at present, and its sealed effect is relatively poor, may leak oil between two retractable anti-sticking fracturing packers for retractable anti-sticking fracturing packer structural damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a retractable anti-sticking fracturing packer to solve above-mentioned technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize:

the utility model provides a retractable anti-sticking fracturing packer, includes first retractable anti-sticking fracturing packer main part, the telescopic anti-sticking fracturing packer main part of second, the right-hand member of first retractable anti-sticking fracturing packer main part has set firmly first connecting pipe, the left end of the telescopic anti-sticking fracturing packer main part of second is equipped with the second connecting pipe that matches with first connecting pipe admittedly, the spacing slider has set firmly on the first connecting pipe, set up the horizontal spout that matches with spacing slider on the inner wall of second connecting pipe, just still set up the arc spout that matches with spacing slider on the inner wall of second connecting pipe, the arc spout is located the right side of horizontal spout, arc spout and horizontal spout intercommunication.

Preferably, a plurality of limiting protrusions are fixedly arranged on the inner pipe wall of the second connecting pipe, and a plurality of limiting grooves matched with the limiting protrusions are formed in the outer surface of the first connecting pipe.

Preferably, the limiting protrusions are made of silica gel, and the number of the limiting protrusions is the same as that of the limiting grooves.

Preferably, a fixing ring is fixedly arranged on the right side of the inner pipe wall of the second connecting pipe, and a spring is fixedly connected to the left side surface of the fixing ring.

Preferably, a first connecting disc is fixedly sleeved on the left end of the first connecting pipe, and a second connecting disc is fixedly sleeved on the left end of the second connecting pipe.

Preferably, the first connecting disk and the second connecting disk are both magnetic, and the first connecting disk and the second connecting disk are attracted magnetically.

The utility model has the advantages that:

1. the utility model discloses an in inserting the second connecting pipe with first connecting pipe, make the spacing slider slide in horizontal spout, when spacing slider and arc spout contact, through rotating first connecting pipe, make the spacing slider slide in the arc spout, and then make the arc spout restrict the spacing slider and can't control the left and right sides, and then make first connecting pipe, with second connecting pipe sealing connection, and then make first telescopic anti-sticking fracturing packer main part and second telescopic anti-sticking fracturing packer main part sealing connection; through setting up spacing recess and spacing arch, further strengthened the improvement the utility model discloses a leakproofness.

2. The utility model discloses a set up solid fixed ring and spring, when first connecting pipe inserts into the second connecting pipe in, first connecting pipe can extrude the spring, make the spring compressed, when the arc spout restriction stop block can't control when removing, receive the elasticity influence of compression spring, the spring can promote first connecting pipe, stop block moves left, and then make stop block can't break away from the arc spout by oneself to the stability and the leakproofness that first telescopic anti-sticking fracturing packer main part and the telescopic anti-sticking fracturing packer main part of second are connected have been strengthened.

3. The utility model discloses a set up first connecting disc, the second connecting disc that magnetism was inhaled mutually, when first connecting pipe is connected with the second connecting pipe, first connecting disc and second connecting disc also can be inhaled together to strengthen being connected of first telescopic anti-sticking fracturing packer main part and the telescopic anti-sticking fracturing packer main part of second, also improved simultaneously the utility model discloses a leakproofness.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of part A of FIG. 1 according to the present invention;

FIG. 3 is a front view of the present invention;

reference numerals: 1. a first telescoping anti-seize frac packer body; 2. a second telescoping anti-seize frac packer body; 3. a first connecting pipe; 4. a second connecting pipe; 5. a limiting groove; 6. a limiting bulge; 7. a limiting slide block; 8. a transverse chute; 9. an arc-shaped chute; 10. a first connecting disc; 11. a second connecting disk; 12. a fixing ring; 13. a spring.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Examples

As shown in fig. 1-3, a retractable anti-seizing fracturing packer comprises a first retractable anti-seizing fracturing packer body 1 and a second retractable anti-seizing fracturing packer body 2, wherein a first connecting pipe 3 is fixedly arranged at the right end of the first retractable anti-seizing fracturing packer body 1, a second connecting pipe 4 matched with the first connecting pipe 3 is fixedly arranged at the left end of the second retractable anti-seizing fracturing packer body 2, a limit slider 7 is fixedly arranged on the first connecting pipe 3, a transverse sliding chute 8 matched with the limit slider 7 is arranged on the inner wall of the second connecting pipe 4, an arc sliding chute 9 matched with the limit slider 7 is further arranged on the inner wall of the second connecting pipe 4, the arc sliding chute 9 is positioned at the right side of the transverse sliding chute 8, the arc sliding chute 9 is communicated with the transverse sliding chute 8, a plurality of limit bulges 6 are fixedly arranged on the inner wall of the second connecting pipe 4, the number of the limit bulges 6 is the same as that of the limit grooves, offer a plurality of spacing recesses 5 that match with spacing arch 6 on the surface of first connecting pipe 3, spacing arch 6 is the silica gel material, the interior pipe wall right side of second connecting pipe 4 has set firmly solid fixed ring 12, fixedly connected with spring 13 on the left surface of solid fixed ring 12, fixed cover is equipped with first connecting disc 10 on the 3 left ends of first connecting pipe, fixed cover is equipped with second connecting disc 11 on the left end of second connecting pipe 4, first connecting disc 10 all has magnetism with second connecting disc 11, and first connecting disc 10 and second connecting disc 11 magnetism attract mutually.

The working principle is as follows: when the first telescopic anti-sticking fracturing packer main body 1 is required to be connected with the second telescopic anti-sticking fracturing packer main body 2, by aligning the limiting slide block 7 with the transverse sliding groove 8, then the first connecting pipe 3 is inserted into the second connecting pipe 4, so that the limiting slide block 7 slides rightwards along the transverse slide groove 8, when the limiting slide block 7 is contacted with the arc-shaped slide groove 9, namely, when the limiting slide block 7 can not move rightwards continuously, the first telescopic anti-blocking fracturing packer main body 1 is rotated to drive the first connecting pipe 3 to rotate by the first telescopic anti-blocking fracturing packer main body 1, thereby driving the limit slide block 7 to rotate, further leading the limit slide block 7 to slide in the arc-shaped sliding chute 9, further leading the arc-shaped sliding chute 9 to limit the limit slide block 7 to be incapable of moving left and right, so that the first connecting pipe 3 cannot be separated from the second connecting pipe 4, and the first telescopic anti-sticking fracturing packer main body 1 is connected with the second telescopic anti-sticking fracturing packer main body 2;

when the first connecting pipe 3 is inserted into the second connecting pipe 4, the first connecting pipe 3 is in contact with the spring 13 and extrudes the spring 13, so that the spring 13 is compressed, when the limiting slide block 7 is limited by the arc-shaped sliding groove 9 and cannot move left and right, the compressed spring 13 pushes the first connecting pipe 3 and the limiting slide block 7 to move left under the influence of the elastic force of the compressed spring 13, and the limiting slide block 7 cannot automatically separate from the arc-shaped sliding groove 9; when the first connecting pipe 3 is connected with the second connecting pipe 4, the limiting bulge 6 made of silica gel is clamped with the limiting groove 5, so that the sealing performance of the device is improved; when first connecting pipe 3 is connected with second connecting pipe 4, first connecting disc 10 receives magnetic force with second connecting disc 11 and influences, can inhale together to strengthen being connected of first telescopic anti-sticking fracturing packer main part 1 and the telescopic anti-sticking fracturing packer main part 2 of second, also improved the leakproofness of this device simultaneously.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a retractable anti-sticking fracturing packer, includes first retractable anti-sticking fracturing packer main part (1), the telescopic anti-sticking fracturing packer main part of second (2), its characterized in that:

the right-hand member of first telescopic anti-sticking fracturing packer main part (1) has set firmly first connecting pipe (3), the left end of second telescopic anti-sticking fracturing packer main part (2) is equipped with second connecting pipe (4) that match with first connecting pipe (3) admittedly, spacing slider (7) have set firmly on first connecting pipe (3), set up horizontal spout (8) that match with spacing slider (7) on the inner tube wall of second connecting pipe (4), just arc spout (9) that match with spacing slider (7) still have been seted up on the inner tube wall of second connecting pipe (4), arc spout (9) are located the right side of horizontal spout (8), arc spout (9) and horizontal spout (8) intercommunication.

2. The retractable anti-sticking fracturing packer of claim 1, wherein: a plurality of limiting bulges (6) are fixedly arranged on the inner pipe wall of the second connecting pipe (4), and a plurality of limiting grooves (5) matched with the limiting bulges (6) are formed in the outer surface of the first connecting pipe (3).

3. The retractable anti-sticking fracturing packer of claim 2, wherein: spacing arch (6) are the silica gel material, spacing arch (6) are the same with the quantity of spacing recess (5).

4. The retractable anti-sticking fracturing packer of claim 1, wherein: the right side of the inner pipe wall of the second connecting pipe (4) is fixedly provided with a fixing ring (12), and the left side surface of the fixing ring (12) is fixedly connected with a spring (13).

5. The retractable anti-sticking fracturing packer of claim 1, wherein: a first connecting disc (10) is fixedly sleeved on the left end of the first connecting pipe (3), and a second connecting disc (11) is fixedly sleeved on the left end of the second connecting pipe (4).

6. The retractable anti-sticking fracturing packer of claim 5, wherein: the first connecting disk (10) and the second connecting disk (11) are both magnetic, and the first connecting disk (10) and the second connecting disk (11) are attracted magnetically.