CN215927317U

CN215927317U - Long service life's packer for oil development

Info

Publication number: CN215927317U
Application number: CN202122532641.XU
Authority: CN
Inventors: 刘金霞
Original assignee: Daqing Yixiang Technology Co ltd
Current assignee: Daqing Yixiang Technology Co ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-03-01
Anticipated expiration: 2031-10-19

Abstract

The utility model discloses a packer with long service life for oil exploitation, which comprises a central rod, an upper connecting seat and a lower connecting seat, wherein one end of the central rod is connected with the upper connecting seat, the other end of the central rod is connected with the lower connecting seat, an upper clamping ring is arranged on the outer wall of the upper connecting seat, a clamping groove is formed in the upper clamping ring, a plurality of grooves are formed in the inner wall of the clamping groove in an array mode, ejector rods are elastically arranged in the grooves, a lower clamping ring is arranged on the lower connecting seat, an inner lining groove is formed in the lower clamping ring, an inner ring is arranged in the inner lining groove in the middle, a guide hole for the central rod to pass through is formed in the inner ring, a plurality of clamping blocks are arranged on the inner wall of the guide hole, and slots are formed in the side of the clamping blocks. This long service life's packer for oil development, simple structure, reasonable in design is convenient for dismantle the maintenance to it when using, promotes the device's life.

Description

Long service life's packer for oil development

Technical Field

The utility model belongs to the technical field of packers, and particularly relates to a packer with long service life for oil exploitation.

Background

The packer has elastic sealing element, and can be used for sealing annular spaces between pipe columns with various sizes and well bores and between pipe columns, and isolating production zone to control production (injection) liquid and protect downhole tools of casing pipes, so that the water plugging construction process of the oil well packer is reduced, the well-killing and blowout-preventing operation can be conveniently realized, and the packer can bidirectionally bear high pressure and has long service life.

The existing packer is mostly of a self-sealing type, the outer diameter of a rubber bag of the packer is larger than the inner diameter of a central rod, the packer is sealed by means of interference fit of the rubber bag and the central rod, and after the packer is used for a long time, the rubber bag is easy to wear and scratch, so that the sealing performance of the packer is reduced, and the packer for oil exploitation is long in service life.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a packer with long service life for oil exploitation, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a long service life's packer for oil development, includes well core rod, goes up connecting seat and lower connecting seat, well core rod's one end is connected with the connecting seat, well core rod's the other end is connected with down the connecting seat, it is provided with the rand on the outer wall of connecting seat to go up, the draw-in groove has been seted up to the inside of going up the rand, a plurality of recesses have been seted up to the array on the inner wall of draw-in groove, the inside elasticity of recess is provided with the ejector pin, be provided with down the rand down on the connecting seat, inside lining groove has been seted up to the inside of rand down, inside lining groove is provided with the inner circle between two parties, the bullport that supplies well core rod to pass is seted up to the inside of inner circle, the inner wall of bullport is provided with a plurality of fixture blocks, the side of fixture block is provided with the slot, a plurality of ring channels have been seted up to the equidistant on the outer wall of inner circle.

Preferably, a reinforcing ring is arranged on the outer wall of the central rod, and rubber bags are arranged on two sides of the reinforcing ring.

Preferably, the bottom array of going up the rand is provided with a plurality of cardboard, the inside connection of cardboard has the sealing ring.

Preferably, a plurality of springs are arranged inside the groove, and a limiting plate connected with the ejector rod is arranged on each spring.

Preferably, the inner wall of the slot is provided with anti-skid grains.

The utility model has the technical effects and advantages that: according to the packer with the long service life for oil exploitation, the annular groove and the slot are formed in the inner ring, so that a rubber bag is conveniently installed in the lower clamping ring during use, and an operator can conveniently detach and install the packer; through set up the ejector pin in the inside of draw-in groove, be convenient for compress tightly the rubber bag through the ejector pin when using, promote the leakproofness of the device when using. This long service life's packer for oil development, simple structure, reasonable in design is convenient for dismantle the maintenance to it when using, promotes the device's life.

Drawings

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

FIG. 2 is a schematic view of the upper connecting seat structure of the present invention;

FIG. 3 is a schematic view of a lower connecting seat structure of the present invention;

fig. 4 is a schematic view of the internal structure of the upper collar of the present invention.

In the figure: 1 central rod, 10 guide holes, 100 grooves, 101 upper connecting seat, 102 rubber bag, 103 reinforcing ring, 104 lower connecting seat, 110 clamping groove, 111 upper clamping ring, 112 clamping plate, 113 sealing ring, 114 spring, 115 limiting plate, 116 ejector pin, 120 lining groove, 121 lower clamping ring, 122 inner ring, 123 annular groove, 125 clamping block and 126 inserting groove.

Detailed Description

The present invention will be described in detail with reference to the drawings in the following embodiments, but the scope of the present invention is not limited to the following embodiments, and all simple equivalent changes and modifications made by the claims and the contents of the specification of the present invention are within the scope of the present invention.

As shown in fig. 1-4, the device comprises a central rod 1, an upper connection seat 101 and a lower connection seat 104, wherein one end of the central rod 1 is connected with the upper connection seat 101, the other end of the central rod 1 is connected with the lower connection seat 104, an upper collar 111 is arranged on the outer wall of the upper connection seat 101, a clamping groove 110 is formed in the upper collar 111, a plurality of grooves 100 are formed in the inner wall of the clamping groove 110 in an array manner, a push rod 116 is elastically arranged in each groove 100, the push rod 116 is arranged in the clamping groove 110, so that the rubber bag 102 is conveniently pressed by the push rod 116 when in use, the sealing performance of the device when in use is improved, a lower collar 121 is arranged on the lower connection seat 104, an inner lining groove 120 is formed in the lower collar 121, an inner ring 122 is arranged in the middle of the inner lining groove 120, and a guide hole 10 for the central rod 1 to pass through is formed in the inner ring 122, the inner wall of the guide hole 10 is provided with a plurality of clamping blocks 125, the lateral sides of the clamping blocks 125 are provided with slots 126, the outer wall of the inner ring 122 is provided with a plurality of annular grooves 123 at equal intervals, and the annular grooves 123 and the slots 126 are arranged on the inner ring 122, so that the rubber bag 102 is conveniently mounted inside the lower clamping ring 121 during use, and the disassembly and the assembly of operators are facilitated.

The outer wall of the central rod 1 is provided with a reinforcing ring 103, and two sides of the reinforcing ring 103 are provided with rubber bags 102.

The bottom array of the upper clamping ring 111 is provided with a plurality of clamping plates 112, and sealing rings 113 are connected inside the clamping plates 112.

A plurality of springs 114 are arranged inside the groove 100, and a limiting plate 115 connected with a push rod 116 is arranged on each spring 114.

The inner wall of the slot 126 is provided with anti-skid lines.

The working principle is as follows: this long service life's packer for oil development, in the use, when the device appears wearing and tearing, will set up last connecting seat 101 on well core rod 1, lower rand 121 separation, will set up and pull out at draw-in groove 110 and the inside rubber bag 102 of inside lining groove 120, take well core rod 1 from rubber bag 102 inside through reinforcing ring 103, make things convenient for the operation personnel to clear up it and change to this promotes the device's life. This long service life's packer for oil development, reasonable in design, simple structure has very high practicality, can extensively use.

Finally, it should be noted that: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a long service life's packer for oil development, includes well core rod (1), goes up connecting seat (101) and connecting seat (104) down, its characterized in that: one end of the center rod (1) is connected with an upper connecting seat (101), the other end of the center rod (1) is connected with a lower connecting seat (104), an upper clamping ring (111) is arranged on the outer wall of the upper connecting seat (101), a clamping groove (110) is formed in the upper clamping ring (111), a plurality of grooves (100) are formed in the inner wall of the clamping groove (110) in an array mode, a push rod (116) is elastically arranged in each groove (100), a lower clamping ring (121) is arranged on the lower connecting seat (104), an inner lining groove (120) is formed in the lower clamping ring (121), an inner ring (122) is arranged in the inner lining groove (120) in the middle, a guide hole (10) for the center rod (1) to pass through is formed in the inner ring (122), a plurality of clamping blocks (125) are arranged on the inner wall of the guide hole (10), and inserting grooves (126) are formed in the lateral sides of the clamping blocks (125), a plurality of annular grooves (123) are formed in the outer wall of the inner ring (122) at equal intervals.

2. The packer of claim 1, wherein the packer has a long service life for oil extraction, and further comprises: the outer wall of the central rod (1) is provided with a reinforcing ring (103), and rubber bags (102) are arranged on two sides of the reinforcing ring (103).

3. The packer of claim 1, wherein the packer has a long service life for oil extraction, and further comprises: the bottom array of going up rand (111) is provided with a plurality of cardboard (112), the inside connection of cardboard (112) has sealing ring (113).

4. The packer of claim 1, wherein the packer has a long service life for oil extraction, and further comprises: a plurality of springs (114) are arranged inside the groove (100), and a limiting plate (115) connected with the ejector rod (116) is arranged on each spring (114).

5. The packer of claim 1, wherein the packer has a long service life for oil extraction, and further comprises: the inner wall of the slot (126) is provided with anti-skid grains.