CN219344643U

CN219344643U - Sand setting backwash valve capable of improving backwash success rate

Info

Publication number: CN219344643U
Application number: CN202320384674.0U
Authority: CN
Inventors: 杨贵斌
Original assignee: Beijing Haikang Weiye Petroleum Technology Co ltd
Current assignee: Beijing Haikang Weiye Petroleum Technology Co ltd
Priority date: 2023-03-05
Filing date: 2023-03-05
Publication date: 2023-07-14
Anticipated expiration: 2033-03-05

Abstract

The utility model discloses a sand setting backwash valve for improving backwash success rate, which comprises an outer cylinder, wherein a shunt joint is detachably arranged on the inner edge surface of one end of the outer cylinder, a lower joint is detachably arranged on the inner edge surface of one end of the shunt joint, which is far away from the outer cylinder, of the lower joint, an O-shaped ring five is detachably arranged on the inner edge surface of one end of the shunt joint, which is far away from the O-shaped ring five, the end of the shunt joint, which is far away from the outer cylinder, can be screwed into the lower joint and is abutted to one side of the O-shaped ring five, a clamping lug is constructed on the outer edge surface of the O-shaped ring five in an annular array, a clamping groove for positioning and clamping the clamping lug is formed on the inner edge surface of the lower joint in an annular array, an O-shaped ring four is detachably arranged on the inner edge surface of one end of the outer cylinder, which is far away from the lower joint, and can be screwed into the outer cylinder and abutted to one side of the O-shaped ring four.

Description

Sand setting backwash valve capable of improving backwash success rate

Technical Field

The utility model belongs to the technical field of sand setting backwash valves, and particularly relates to a sand setting backwash valve capable of improving backwash success rate.

Background

The sand setting backwash valve is a matched tool for improving the success rate of backwash well by serious sand and mud conditions during water injection, the sand setting backwash valve is connected to the lower end of a water injection pipe column before descending well, a sand setting pipe is reserved according to the sand outlet condition of the well, a plug is connected to the bottom of the sand setting pipe, and when the well is to be washed, well washing liquid enters an oil pipe from an oil sleeve annulus through a backwash channel of the sand setting backwash valve and is backwashed to a well head.

The existing sand setting backwash valve is sealed mainly through the O-shaped ring between the joints when using, and the O-shaped ring is easy to age under long-time use, so that the connection tightness between the joints is reduced, and therefore the O-shaped ring needs to be replaced regularly, and the traditional O-shaped ring is fixedly bonded with the joint in a connecting mode, so that the installation and the disassembly of the O-shaped ring are very difficult, the quick installation and the disassembly cannot be realized, and a certain defect exists.

Disclosure of Invention

The utility model aims to provide a sand setting backwash valve for improving backwash success rate so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the sand setting backwash valve for raising backwash success rate includes outer cylinder with one end with detachable diverting joint;

the one end that the shunt joint kept away from the urceolus is detachably installed the lower clutch, detachably installed O type circle five on the one end internal edge face of lower clutch orientation O type circle five, the one end that the shunt joint kept away from the urceolus can screw in the lower clutch and with one side looks butt of O type circle five, be annular array structure on the external edge face of O type circle five and have the joint lug, be annular array on the internal edge face of lower clutch and offered the joint groove that supplies joint lug location joint.

Further, the O-shaped ring IV is detachably arranged on the inner edge surface of one end of the outer barrel, which faces the split joint, and one end of the split joint, which is far away from the lower joint, can be screwed into the outer barrel and abutted against one side of the O-shaped ring IV.

Further, the ball seat joint is constructed towards one end of urceolus to the branch joint inner fringe face, the ball seat joint is kept away from the one end that branch connects and is constructed with the ball seat body, and the ball seat joint is kept away from the one end that branch connects and can be dismantled and be connected with spring joint, the ball seat body is kept away from the one end demountable installation that the ball seat connects and has the steel ball.

Further, the spring connector is sleeved with a spring body towards the inside of one end of the ball seat body, and one end of the spring body, which is gorgeous, of the spring connector is abutted against the steel ball.

Further, the second O-shaped ring and the third O-shaped ring are detachably mounted on the inner edge surface of one end of the spring joint, which faces the ball seat joint, and the annular sealing groove for clamping and mounting the second O-shaped ring and the third O-shaped ring is formed in the inner edge surface of one end of the ball seat joint, which faces the spring joint.

Further, the inner thread of one end of the outer barrel far away from the shunt joint is connected with an upper joint in a matched mode, an O-shaped ring I is detachably arranged on the inner edge surface of one end of the outer barrel facing the upper joint, and an installation groove for clamping and installing the O-shaped ring I is formed in the outer edge surface of one end of the upper joint facing the outer barrel.

Compared with the prior art, the utility model has the following beneficial effects: thanks to the setting of urceolus, sub, O type circle five, lower clutch and joint lug, can make the one end screw of lower clutch screw in the sub through screw-thread fit, make sub and lower clutch detachable connection, and make the one end butt of sub realize sealedly in O type circle five, through the joint cooperation of joint lug and joint groove, can realize the installation to O type circle five with joint lug joint in the joint groove, pulling O type circle five conversely, make joint lug and joint groove break away from, can dismantle the separation with O type circle five and lower clutch, the convenience carries out swift installation and dismantlement to O type circle five, the practicality is strong.

Drawings

FIG. 1 is a schematic view of the internal structure of the present utility model;

FIG. 2 is a schematic view of the structure of the lower joint of the present utility model;

fig. 3 is a cross-sectional view of fig. 2 of the present utility model.

In the figure: 1. an upper joint; 2. o-shaped ring I; 3. an outer cylinder; 4. a spring joint; 5. a spring body; 6. a steel ball; 7. a ball seat body; 8. o-shaped ring II; 9. an O-shaped ring III; 10. a tee joint; 11. an O-shaped ring IV; 12. a shunt joint; 13. an O-shaped ring V; 14. a lower joint; 15. and clamping the protruding blocks.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-3, this sand setting backwash valve for improving backwash success rate, outer tube 3 including detachable mounting shunt joint 12 on the one end inner edge face, shunt joint 12 is kept away from the one end detachable mounting of outer tube 3 has lower joint 14, detachable mounting has O-ring five 13 on the one end inner edge face of lower joint 14 towards O-ring five 13, the one end that shunt joint 12 kept away from outer tube 3 can screw in lower joint 14 and with one side looks butt of O-ring five 13, be annular array construction on the outer fringe face of O-ring five 13 has joint lug 15, be annular array on the inner edge face of lower joint 14 and offered the joint groove that supplies joint lug 15 location joint, be of value for outer tube 3, shunt joint 12, O-ring five 13, lower joint 14 and joint lug 15's setting, can make the one end spiral of lower joint 14 screw in shunt joint 12 through threaded fit, make shunt joint 12 and lower joint 14 detachable connection, and make the one end butt of shunt joint 12 in O-ring five 13 realize sealing through joint lug 15 and the joint five-type 13, can be detached with the joint lug 15 and make the joint that the joint is quick-release with O-ring five, make the joint 15 and the joint five-type is convenient for the installation and the five-type of joint five-rings, the joint lug is detached with the O-ring 15, the joint is detached to the five-type is convenient to the joint groove and the O-ring 13.

As shown in fig. 1, an O-ring four 11 is detachably mounted on an inner edge surface of one end of the outer barrel 3, which faces the shunt joint 12, one end of the shunt joint 12, which is far away from the lower joint 14, can be screwed into the outer barrel 3 and is abutted against one side of the O-ring four 11, a ball seat joint 10 is constructed on one end of the inner edge surface of the shunt joint 12, which faces the outer barrel 3, a ball seat body 7 is constructed on one end of the ball seat joint 10, which faces away from the shunt joint 12, a spring joint 4 is detachably connected on one end of the ball seat joint 10, a steel ball 6 is detachably mounted on one end of the ball seat body 7, a spring body 5 is sleeved on one end of the spring joint 4, which faces the ball seat body 7, and one end of the spring body 5, which faces the gorgeous spring joint 4, is abutted against the steel ball 6.

As shown in fig. 1, the second O-ring 8 and the third O-ring 9 are detachably mounted on the inner edge surface of one end of the spring joint 4 facing the ball seat joint 10, the annular sealing groove for clamping the second O-ring 8 and the third O-ring 9 is formed on the inner edge surface of one end of the ball seat joint 10 facing the spring joint 4, the upper joint 1 is connected with one end of the outer cylinder 3 far away from the shunt joint 12 in a threaded fit manner, the first O-ring 2 is detachably mounted on the inner edge surface of one end of the outer cylinder 3 facing the upper joint 1, and the mounting groove for clamping the first O-ring 2 is formed on the outer edge surface of one end of the upper joint 1 facing the outer cylinder 3.

Working principle: this sand setting backwash valve that improves backwash success rate, during the use, can make the one end screw of lower clutch 14 screw in the reposition of redundant personnel joint 12, make the joint can be dismantled with lower clutch 14 and be connected, and make the one end butt of joint 12 realize sealedly in O type circle five 13, through the joint cooperation of joint lug 15 and joint groove, can realize the installation to O type circle five 13 with joint lug 15 joint in the joint groove, pulling O type circle five 13 conversely, make joint lug 15 break away from with the joint groove, can dismantle the separation with O type circle five 13 and lower clutch 14, the convenience is carried out swift installation and is dismantled O type circle five 13, this sand setting backwash valve that improves backwash success rate, moreover, the steam setting backwash valve is rational in infrastructure, be convenient for install and dismantle O type circle, and the practicality is strong.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The sand setting backwash valve for improving backwash success rate comprises an outer cylinder (3) with a shunt joint (12) detachably arranged on the inner edge surface of one end;

the method is characterized in that: the one end demountable installation that urceolus (3) was kept away from to reposition of redundant personnel joint (12) has lower joint (14), demountable installation has five (13) of O type circle on the one end internal surface of five (13) of lower joint (14) orientation O type circle, the one end that urceolus (3) was kept away from to reposition of redundant personnel joint (12) can screw in lower joint (14) and with one side looks butt of five (13) of O type circle, be annular array structure on the external surface of five (13) of O type circle has joint lug (15), the joint groove that supplies joint lug (15) location joint has been seted up to annular array on the internal surface of lower joint (14).

2. The grit backwash valve of claim 1 wherein the backwash success rate is increased by: the O-shaped ring IV (11) is detachably arranged on the inner edge surface of one end of the outer cylinder (3) facing the split joint (12), and one end of the split joint (12) far away from the lower joint (14) can be screwed into the outer cylinder (3) in a threaded manner and abutted against one side of the O-shaped ring IV (11).

3. The grit backwash valve of claim 1 wherein the backwash success rate is increased by: one end that the inner edge face of reposition of redundant personnel joint (12) was towards urceolus (3) is constructed with ball seat joint (10), one end that ball seat joint (10) kept away from reposition of redundant personnel joint (12) is constructed with ball seat body (7), and ball seat joint (10) are kept away from one end detachably that reposition of redundant personnel joint (12) is connected with spring joint (4), ball seat body (7) are kept away from one end demountable installation of ball seat joint (10) steel ball (6).

4. A grit backwash valve for increasing backwash success rate according to claim 3, wherein: the spring connector (4) is internally sleeved with a spring body (5) towards one end of the ball seat body (7), and one end of the spring body (5) which is positioned on the gorgeous spring connector (4) is abutted to the steel ball (6).

5. The grit backwash valve of claim 4 for increasing backwash success rate, wherein: the ball seat joint is characterized in that the second O-shaped ring (8) and the third O-shaped ring (9) are detachably mounted on the inner edge surface of one end of the ball seat joint (10) facing the spring joint (4), and an annular sealing groove for clamping and mounting the second O-shaped ring (8) and the third O-shaped ring (9) is formed in the inner edge surface of one end of the ball seat joint (10).

6. The grit backwash valve of claim 5 wherein the backwash success rate is increased by: the one end internal thread fit that shunt joint (12) was kept away from to urceolus (3) is connected with upper joint (1), and can dismantle on the one end internal edge face of urceolus (3) towards upper joint (1) and install O type circle one (2), the mounting groove that supplies O type circle one (2) joint installation has been seted up on the one end outer fringe face of upper joint (1) towards urceolus (3).