CN211598591U

CN211598591U - Water injection packer

Info

Publication number: CN211598591U
Application number: CN201922471961.1U
Authority: CN
Inventors: 陈坤; 王旭鹏; 李宝; 陈明; 方建洋
Original assignee: FUNING COUNTY HONGDA PETROCHEMICAL MACHINERY CO LTD
Current assignee: FUNING COUNTY HONGDA PETROCHEMICAL MACHINERY CO LTD
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-29
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a water injection packer, including first sleeve, first telescopic side has first exit tube, second exit tube, third exit tube through the screw thread intercommunication in proper order, first telescopic inside bottom is fixed with first guide pillar, be fixed with first spacing ring on the first telescopic inner wall, first telescopic inside slip has cup jointed the second sleeve, first screw hole and second screw hole have been seted up to the telescopic side of second, first sealed hole has been seted up to the telescopic inside bottom of second, the inside slip in first sealed hole has cup jointed first sealing plug, the top of first sealing plug is fixed with first closing plate, the top of first closing plate is fixed with the second guide pillar, be connected with first spring between first closing plate and the telescopic inside bottom of second. The utility model is simple in operation, improved the function of packer, it is effectual to seal, can select suitable first exit tube or second exit tube or third exit tube as required.

Description

Water injection packer

Technical Field

The utility model relates to a packer technical field especially relates to a water injection packer.

Background

The fracturing packer is a compression type one-way slip supporting rotary setting and lifting deblocking packer and mainly comprises an upper joint, a sealing rubber sleeve, a slip assembly, a centralizing body assembly, a central pipe, a T-shaped hook, a lower joint and the like, wherein a short cylindrical pin on the lower joint is matched with a track groove of the T-shaped hook to complete the functions of rotary setting and lifting deblocking.

The existing water injection packer can only be used for single inlet and single outlet, so that a multi-path inlet and outlet structure is required to be added when a plurality of outlets are required in the using process, the complexity of the structure is increased, the field construction is not facilitated, and the water injection packer is provided aiming at the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a water injection packer.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a water injection packer comprises a first sleeve, wherein the side edge of the first sleeve is sequentially communicated with a first outlet pipe, a second outlet pipe and a third outlet pipe through threads, a first guide pillar is fixed at the bottom inside the first sleeve, a first limiting ring is fixed on the inner wall of the first sleeve, a second sleeve is sleeved inside the first sleeve in a sliding mode, a first threaded hole and a second threaded hole are formed in the side edge of the second sleeve, a first sealing hole is formed in the bottom inside the second sleeve, a first sealing plug is sleeved inside the first sealing hole in a sliding mode, a first sealing plate is fixed at the top of the first sealing plate, a second guide pillar is fixed at the top of the first sealing plate, a first spring is connected between the first sealing plate and the bottom inside of the second sleeve, a third sleeve is sleeved inside the second sleeve in a sliding mode, a third threaded hole is formed in the side edge of the third sleeve, the second sealing hole is formed in the bottom of the inside of the third sleeve, the second sealing plug is sleeved in the second sealing hole in a sliding mode, the second sealing plate is fixed to the top of the second sealing plug, and a second spring is connected between the bottom of the inside of the third sleeve and the second sealing plate.

Preferably, a fourth sleeve is sleeved inside the third sleeve through threads, and one end of the fourth sleeve is communicated with an inlet pipe.

Preferably, the first threaded hole is in threaded connection with the second outlet pipe, and the second threaded hole and the third threaded hole are in threaded connection with the third outlet pipe respectively.

Preferably, the first sleeve, the second sleeve and the third sleeve are coaxial.

Preferably, the first guide pillar is located right below the first sealing plug, and the second guide pillar is located right below the second sealing plug.

Preferably, a first groove is formed in the bottom of the second sleeve, the first spring is located in the first groove, a second groove is formed in the bottom of the third sleeve, and the second spring is located in the second groove.

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

in the utility model, liquid can be added from the inlet pipe, at the moment, the third outlet pipe can run through the second threaded hole and the third threaded hole through threads, and the liquid can be sequentially communicated and flow out from the inlet pipe, the fourth sleeve and the third outlet pipe; when the third sleeve moves downwards, the second guide pillar pushes the second sealing plug and pushes out the second sealing plate, the second outlet pipe can penetrate through the first threaded hole through threads, and at the moment, liquid can be communicated and flows out from the inlet pipe, the fourth sleeve, the third sleeve, the second sleeve and the second outlet pipe in sequence; when the third sleeve and the second sleeve are moved downwards at the same time, the second guide pillar pushes the second sealing plug and ejects the second sealing plate, the first guide pillar pushes the first sealing plug and ejects the first sealing plate, and at the moment, liquid can be communicated and flows out from the inlet pipe, the fourth sleeve, the third sleeve, the second sleeve, the first sleeve and the first outlet pipe in sequence; thereby can be convenient advance the pipe entering and can follow the first exit tube, second exit tube, the outflow of third exit tube of three differences from single, easy operation has improved the function of packer, seals to separate effectually, can select suitable first exit tube or second exit tube or third exit tube as required.

Drawings

Fig. 1 is a sectional view of a water injection packer provided by the present invention;

fig. 2 is a schematic view of a partial structure of a position a of a water injection packer according to the present invention;

fig. 3 is a schematic view of a local structure at the B position of the water injection packer provided by the utility model.

In the figure: the sealing device comprises a first sleeve 1, a second sleeve 2, a third sleeve 3, a fourth sleeve 4, an inlet pipe 5, a third outlet pipe 6, a second outlet pipe 7, a first outlet pipe 8, a first limiting ring 9, a first guide pillar 10, a second sealing plate 12, a second sealing plug 13, a second spring 14, a first sealing plug 15, a second guide pillar 16, a first spring 17 and a first sealing plug 18.

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.

Referring to fig. 1-3, a water injection packer comprises a first sleeve 1, a first outlet pipe 8, a second outlet pipe 7 and a third outlet pipe 6 are sequentially communicated with the side edge of the first sleeve 1 through threads, a first guide pillar 10 is fixed at the bottom inside the first sleeve 1, a first limit ring 9 is fixed on the inner wall of the first sleeve 1, a second sleeve 2 is slidably sleeved inside the first sleeve 1, a first threaded hole and a second threaded hole are formed in the side edge of the second sleeve 2, a first sealing hole is formed in the bottom inside the second sleeve 2, a first sealing plug 18 is slidably sleeved inside the first sealing hole, a first sealing plate 15 is fixed at the top of the first sealing plug 18, a second guide pillar 16 is fixed at the top of the first sealing plate 15, a first spring 17 is connected between the first sealing plate 15 and the bottom inside the second sleeve 2, a third sleeve 3 is slidably sleeved inside the second sleeve 2, a third threaded hole is formed in the side edge of the third sleeve 3, a second sealing hole is formed in the bottom inside the third sleeve 3, a second sealing plug 13 is sleeved in the second sealing hole in a sliding mode, a second sealing plate 12 is fixed to the top of the second sealing plug 13, and a second spring 14 is connected between the bottom inside the third sleeve 3 and the second sealing plate 12.

Wherein, the inside of third sleeve 3 has fourth sleeve 4 through the screw thread cup joint, and the one end intercommunication of fourth sleeve 4 has into pipe 5.

Wherein, first screw hole passes through threaded connection with second exit tube 7, and second screw hole, third screw hole pass through threaded connection with third exit tube 6 respectively.

The first sleeve 1, the second sleeve 2 and the third sleeve 3 are coaxial.

Wherein the first guide post 10 is located directly below the first sealing plug 15 and the second guide post 16 is located directly below the second sealing plug 13.

Wherein, the inside bottom of second sleeve 2 has seted up first recess, and first spring 17 is located first recess, and the inside bottom of third sleeve 3 has seted up the second recess, and second spring 14 is located the second recess.

The working principle is as follows: in the utility model, liquid can be added from the inlet pipe 5, at this time, the third outlet pipe 6 can penetrate through the second threaded hole and the third threaded hole through threads, and the liquid can be sequentially communicated and flow out from the inlet pipe 5, the fourth sleeve 4 and the third outlet pipe 6; when the third sleeve 3 moves downwards, the second guide post 16 pushes the second sealing plug 13 and ejects the second sealing plate 12 out, at this time, the second outlet pipe 7 can penetrate through the first threaded hole through threads, and at this time, liquid can be communicated and flows out from the inlet pipe 5, the fourth sleeve 4, the third sleeve 3, the second sleeve 2 and the second outlet pipe 7 in sequence; when the third sleeve 3 and the second sleeve 2 move downwards at the same time, the second guide post 16 pushes the second sealing plug 13 and ejects the second sealing plate 12, the first guide post 10 pushes the first sealing plug 18 and ejects the first sealing plate 15, and at the moment, liquid can be communicated and flowed out from the inlet pipe 5, the fourth sleeve 4, the third sleeve 3, the second sleeve 2, the first sleeve 1 and the first outlet pipe 8 in sequence; thereby can be convenient advance the pipe 5 from single and get into and can follow the first exit tube 8 of three differences, second exit tube 7, third exit tube 6 outflow, easy operation has improved the function of packer, seals to separate effectually, can select suitable first exit tube 8 or second exit tube 7 or third exit tube 6 as required.

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 water injection packer comprises a first sleeve (1), and is characterized in that the side edge of the first sleeve (1) is sequentially communicated with a first outlet pipe (8), a second outlet pipe (7) and a third outlet pipe (6) through threads, a first guide pillar (10) is fixed at the bottom inside the first sleeve (1), a first limiting ring (9) is fixed on the inner wall of the first sleeve (1), a second sleeve (2) is sleeved inside the first sleeve (1) in a sliding manner, a first threaded hole and a second threaded hole are formed at the side edge of the second sleeve (2), a first sealing hole is formed at the bottom inside the second sleeve (2), a first sealing plug (18) is sleeved inside the first sealing hole in a sliding manner, a first sealing plate (15) is fixed at the top of the first sealing plug (18), a second guide pillar (16) is fixed at the top of the first sealing plate (15), be connected with first spring (17) between the inside bottom of first closing plate (15) and second sleeve (2), the inside slip of second sleeve (2) has cup jointed third sleeve (3), the third screw hole has been seted up to the side of third sleeve (3), the sealed hole of second has been seted up to the inside bottom of third sleeve (3), the inside slip in the sealed hole of second has cup jointed second sealing plug (13), the top of second sealing plug (13) is fixed with second closing plate (12), be connected with second spring (14) between the inside bottom of third sleeve (3) and second closing plate (12).

2. A water injection packer as claimed in claim 1, characterized in that the third sleeve (3) is sleeved with a fourth sleeve (4) through threads, and one end of the fourth sleeve (4) is communicated with an inlet pipe (5).

3. A water injection packer as claimed in claim 1, characterised in that the first threaded hole is in threaded connection with the second outlet pipe (7), and the second and third threaded holes are in threaded connection with the third outlet pipe (6), respectively.

4. A water injection packer as claimed in claim 1, characterised in that the first sleeve (1), the second sleeve (2) and the third sleeve (3) are coaxial.

5. A water injection packer as claimed in claim 1, characterised in that the first guide post (10) is located directly below the first sealing plug (18) and the second guide post (16) is located directly below the second sealing plug (13).

6. A water injection packer as claimed in claim 1, characterised in that the second sleeve (2) has a first recess in the inner bottom, the first spring (17) being located in the first recess, the third sleeve (3) having a second recess in the inner bottom, the second spring (14) being located in the second recess.