CN213869834U

CN213869834U - Water distributor with blanking plug

Info

Publication number: CN213869834U
Application number: CN202023042665.9U
Authority: CN
Inventors: 吴镝; 吴孝喜
Original assignee: WUHAN OUSAI PETROLEUM TECHNOLOGY DEVELOPMENT CO LTD
Current assignee: WUHAN OUSAI PETROLEUM TECHNOLOGY DEVELOPMENT CO LTD
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-08-03
Anticipated expiration: 2030-12-17

Abstract

The utility model provides a water distributor with a blanking plug, which belongs to the technical field of water distributors, and comprises a water distributor shell and a water distributor main body, wherein an upper joint is arranged above the water distributor shell, a lower joint is arranged below the water distributor shell, a water injection hole is arranged on the outer surface of the water distributor shell, the upper end and the lower end of the water distributor main body are both provided with a connecting edge, the connecting edge and the water distributor main body are integrated, the water injection hole extends to the inside of the water distributor shell, the water distributor main body is arranged inside the water distributor shell, the right side inside the water injection hole is fixedly connected with a blanking plug groove, the inner wall of the blanking plug groove is fixedly provided with the blanking plug, the middle of the water distributor main body is fixedly connected with a pipe body, the two sides of the pipe body are uniformly provided with a plurality of groups of balls, a cavity is arranged below the water distributor main body, and the device has simple and compact structure, the problem of the dismouting maintenance of the quick water injection mandrel of realization that can be effectual is and be equipped with the blanking plug, improves work efficiency.

Description

Water distributor with blanking plug

Technical Field

The utility model belongs to the technical field of the water injection mandrel, concretely relates to water injection mandrel with blanking plug.

Background

In the process of oil field development, water is injected into an oil reservoir through a special water injection well, so that the pressure of an oil layer is maintained or recovered, the oil reservoir has stronger driving force, and the exploitation rate and the recovery rate of the oil reservoir are improved. The water absorption capacity of the water injection well mainly depends on the permeability of the oil layer and the pressure of the water injection pump, and in order to enable the oil layer to absorb water normally, the pressure of the water injection pump is lower than the fracture pressure of the oil layer. The water injection well is a channel for injecting water into an oil layer from the ground, and the wellhead device is similar to a self-blowing well, and has the difference that no paraffin removal gate is arranged, no wellhead choke is arranged, and high pressure can be borne. The water distributor is a movable water distribution tool, mainly comprises a working barrel and a blanking plug, and can solve the problem of low throwing and fishing success rate of the traditional water distributor.

The prior cleaning device for the filter element mainly has the following defects in the using process:

1. after the cleaning device for the filter element is cleaned, the filter element is inconvenient to disassemble, assemble and maintain and is troublesome to operate;

2. the filter element cleaning device is not provided with a plug device, and is poor in practicability, so that the filter element is easy to block.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a water injection mandrel with blanking plug aims at solving the problem among the prior art.

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

a water distributor with a plug comprises a water distributor shell and a water distributor main body, wherein an upper connector is arranged above the water distributor shell, a lower connector is arranged below the water distributor shell, a water injection hole is formed in the outer surface of the water distributor shell, connecting edges are arranged at the upper end and the lower end of the water distributor main body, the connecting edges and the water distributor main body are integrated, the water injection hole extends into the water distributor shell, the water distributor main body is arranged inside the water distributor shell, a plug groove is fixedly connected to the right side inside the water injection hole, the plug is fixedly arranged in the inner wall of the plug groove, a pipe body is fixedly connected to the middle of the water distributor main body, a plurality of groups of balls are uniformly arranged on two sides of the pipe body, a cavity is formed below the water distributor main body, the device is simple and compact in structure, can effectively solve the problem of quick assembly, disassembly and maintenance of the water distributor and assembly of the plug, the working efficiency is improved.

As an optimization of the utility model, the blanking plug is including throwing and dragging for locking head, blanking plug body, spheroid, throttle water valve, filter mantle and sealing washer, the top of the below fixed connection blanking plug body of dragging for locking head is thrown, the inner wall both sides upper end and the lower extreme fixedly connected with sealing washer of blanking plug body, the spheroid sets up the middle part at the blanking plug body, the below fixedly connected with filter mantle of blanking plug body.

As an optimization of the utility model, throttle water valve fixed connection is in the middle part of spheroidal lower extreme and filter mantle, the centre bore setting of throttle water valve is between 6 to 12 mm.

As an optimization of the present invention, the ball body is made of silicon nitride ceramic material, and the surface of the ball body is smooth.

As an optimization of the utility model, the inner wall of water injection hole, blanking plug inslot wall and ball all coat on the surface and have plated polyether composite.

As an optimization of the present invention, the bottom of the upper joint and the top of the lower joint are both connected with the connecting edge by screw threads.

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

1. with the inner wall of water injection mandrel main part setting at the water injection mandrel casing in the present case, seal the water injection mandrel main part through top connection and lower clutch, the bottom of top connection and the top of lower clutch all with be connected between the edge threaded connection, the dismouting of being convenient for is maintained, the body runs through in water injection mandrel main part middle part setting, the flow of the liquid of being convenient for, the both sides of body are provided with the multiunit ball, the removal of body when the dismouting of being convenient for, the water injection hole of seting up on the surface of water injection mandrel casing runs through and extends to the water injection mandrel main part and be connected with the blanking plug, inject pressure water, reach row sediment, the effect of drilling tool cooling dust fall.

2. The blanking plug comprises a throwing and fishing locking head, a blanking plug body, a ball body, a throttling water valve, a filter cover and sealing rings, when normal water injection works, the pressure in the water distributor body is larger than the pressure of the stratum, water is injected into the stratum, the ball body is flushed by the water in the water distributor body through the filter cover after passing through the throttling water valve, and the water flows out through a water outlet (not shown in the figure) between a plurality of groups of sealing rings on the inner wall of the blanking plug body.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic structural view of the main body of the water distributor of the present invention;

fig. 3 is a schematic structural diagram of the blanking plug of the present invention.

In the figure: 1. a water distributor housing; 2. an upper joint; 3. a lower joint; 4. a water injection hole; 5. a water distributor body; 6. a cavity; 7. a blanking plug; 71. a pulling and running locking head; 72. a plug body; 73. a sphere; 74. a throttle valve; 75. a filter housing; 76. a seal ring; 8. a ball bearing; 9. a pipe body; 10. connecting the edges; 11. a blanking plug groove.

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.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a water injection mandrel with blanking plug, including water injection mandrel casing 1 and water injection mandrel main part 5, the top of water injection mandrel casing 1 is provided with top connection 2, the below of water injection mandrel casing 1 is provided with lower clutch 3, water injection hole 4 has been seted up on the surface of water injection mandrel casing 1, the upper end and the lower extreme of water injection mandrel main part 5 all are provided with joint edge 10, joint edge 10 sets up to an organic whole with water injection mandrel main part 5, water injection hole 4 extends to the inside of water injection mandrel casing 1, water injection mandrel main part 5 sets up the inside at water injection mandrel casing 1, the inside right side fixedly connected with of water injection hole 4 blocks up tank 11, fixed mounting has blanking plug 7 in the inner wall of blanking plug tank 11, the middle fixedly connected with body 9 of water injection mandrel main part 5, the both sides of body 9 evenly are provided with multiunit ball 8, cavity 6 has been seted up to the below of water injection mandrel main part 5.

In the embodiment, the water distributor main body 5 is arranged on the inner wall of the water distributor shell 1, the water distributor main body 5 is sealed through the upper connector 2 and the lower connector 3, the bottom of the upper connector 2 and the top of the lower connector 3 are both in threaded connection with the connecting edge 10, disassembly and maintenance are convenient, the pipe body 9 penetrates through the middle part of the water distributor main body 5 to be convenient for liquid flowing, a plurality of groups of balls 8 are arranged on two sides of the pipe body 9 to facilitate movement of the pipe body 9 during disassembly and assembly, the water injection hole 4 formed in the outer surface of the water distributor shell 1 penetrates through and extends to the water distributor main body 5 to be connected with the blanking plug 7, pressure water is injected to achieve the effects of slag discharge, drilling tool temperature reduction and dust fall, the blanking plug 7 comprises a throwing and fishing locking head 71, a blanking plug body 72, a ball 73, a throttling water valve 74, a filter cover 75 and a sealing ring 76, and during normal water injection work, the pressure in the water distributor main body 5 is greater than the formation pressure, the device is simple and compact in structure, can effectively solve the problems of disassembly, assembly and maintenance of the quick water distributor, is provided with the blanking plug 7, and improves the working efficiency.

Specifically, referring to fig. 3, the blanking plug 7 includes a dropping and pulling locking head 71, a blanking plug body 72, a ball 73, a throttle valve 74, a filter cover 75 and a seal ring 76, the lower portion of the dropping and pulling locking head 71 is fixedly connected to the upper portion of the blanking plug body 72, the upper end and the lower end of the two sides of the inner wall of the blanking plug body 72 are fixedly connected with the seal ring 76, the ball 73 is arranged in the middle of the blanking plug body 72, and the lower portion of the blanking plug body 72 is fixedly connected with the filter cover 75.

In this embodiment: when the water injection device works normally, the pressure in the water distributor main body 5 is greater than the pressure of the stratum, water is injected into the stratum, the water in the water distributor main body 5 passes through the filter cover 75, passes through the throttle valve 74 and then flushes the ball 73, and flows out through a water outlet (not shown) between the groups of sealing rings 76 on the inner wall of the plug body 72.

Specifically, referring to fig. 3, the throttle valve 74 is fixedly connected to the lower end of the ball 73 and the middle portion of the filter housing 75, and the center hole of the throttle valve 74 is set to be 6 to 12 mm.

In this embodiment: the flow rate of the liquid flow is restricted to prevent damage to the internal structure of the obturator body 72 due to excessive flow rates.

Specifically, referring to fig. 3, the ball 73 is made of silicon nitride ceramic material, and the surface of the ball 73 is smooth.

In this embodiment: has the advantages of higher hardness than steel, small friction coefficient, no rust and capability of working under the condition of oil-free lubrication.

Specifically, referring to fig. 2, the inner wall of the water injection hole 4, the inner wall of the stopper groove 11 and the surface of the ball 8 are coated with a polyether composite material.

In this embodiment: effectively solves the problems of corrosion and scaling of the water distributor main body 5 and the upper joint 2.

Specifically, referring to fig. 2, the bottom of the upper joint 2 and the top of the lower joint 3 are both screwed to the connecting edge 10.

In this embodiment: the device is convenient to disassemble, assemble and maintain.

The utility model discloses a theory of operation and use flow: when the water distributor with the blanking plug is used, the water distributor main body 5 is arranged on the inner wall of a water distributor shell 1, the water distributor main body 5 is sealed through an upper connector 2 and a lower connector 3, the bottom of the upper connector 2 and the top of the lower connector 3 are both in threaded connection with a connecting edge 10, disassembly and maintenance are convenient, a pipe body 9 penetrates through the middle part of the water distributor main body 5 to be convenient for liquid flowing, a plurality of groups of balls 8 are arranged on two sides of the pipe body 9 to facilitate movement of the pipe body 9 during disassembly and assembly, a water injection hole 4 formed in the outer surface of the water distributor shell 1 penetrates through and extends to the water distributor main body 5 to be connected with the blanking plug 7, pressure water is injected to achieve the effects of slag discharge, drilling tool temperature reduction and dust fall, the blanking plug 7 comprises a casting and fishing locking head 71, a blanking plug body 72, a ball 73, a throttling water valve 74, a filter cover 75 and a sealing ring 76, and during normal water injection work, the pressure in the water distributor main body 5 is greater than the formation pressure, the device is simple and compact in structure, can effectively solve the problems of disassembly, assembly and maintenance of the quick water distributor, is provided with the blanking plug 7, and improves the working efficiency.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a water injection mandrel with blanking plug, includes water injection mandrel casing (1) and water injection mandrel main part (5), its characterized in that: an upper connector (2) is arranged above the water distributor shell (1), a lower connector (3) is arranged below the water distributor shell (1), a water injection hole (4) is formed in the outer surface of the water distributor shell (1), connecting edges (10) are arranged at the upper end and the lower end of the water distributor main body (5), the connecting edges (10) and the water distributor main body (5) are integrated, the water injection hole (4) extends into the water distributor shell (1), the water distributor main body (5) is arranged inside the water distributor shell (1), a plugging tank (11) is fixedly connected to the right side of the inside of the water injection hole (4), a plugging device (7) is fixedly installed in the inner wall of the plugging tank (11), a pipe body (9) is fixedly connected to the middle of the water distributor main body (5), and a plurality of groups of balls (8) are uniformly arranged on two sides of the pipe body (9), a cavity (6) is arranged below the water distributor main body (5).

2. The water distributor with plug as claimed in claim 1, wherein: blanking plug (7) are including throwing and dragging for locking head (71), blanking plug body (72), spheroid (73), throttle valve (74), filter mantle (75) and sealing washer (76), throw and drag for the top of the below fixed connection blanking plug body (72) of locking head (71), inner wall both sides upper end and the lower extreme fixedly connected with sealing washer (76) of blanking plug body (72), spheroid (73) set up the middle part at blanking plug body (72), the below fixedly connected with filter mantle (75) of blanking plug body (72).

3. The water distributor with plug according to claim 2, wherein: the water-saving valve (74) is fixedly connected with the lower end of the ball body (73) and the middle part of the filter cover (75), and the central hole of the water-saving valve (74) is arranged between 6 mm and 12 mm.

4. The water distributor with plug according to claim 2, wherein: the ball body (73) is made of silicon nitride ceramic materials, and the surface of the ball body (73) is smooth.

5. The water distributor with plug as claimed in claim 1, wherein: and the inner wall of the water injection hole (4), the inner wall of the blanking plug groove (11) and the surface of the ball (8) are coated with a polyether composite material.

6. The water distributor with plug as claimed in claim 1, wherein: the bottom of the upper joint (2) and the top of the lower joint (3) are in threaded connection with the connecting edge (10).