CN209053602U - A kind of injection well downhole flow regulator plugging device - Google Patents
A kind of injection well downhole flow regulator plugging device Download PDFInfo
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- CN209053602U CN209053602U CN201821831237.4U CN201821831237U CN209053602U CN 209053602 U CN209053602 U CN 209053602U CN 201821831237 U CN201821831237 U CN 201821831237U CN 209053602 U CN209053602 U CN 209053602U
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- plugging
- plugging block
- flow regulator
- injection well
- block
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Abstract
The problem of the utility model discloses a kind of injection well downhole flow regulator plugging devices, and water distribution quantity can not be adjusted by solving plugging device in the prior art, also cannot achieve the function of disconnecting this layer of water distribution, thus are not able to satisfy existing oil field water demand.The utility model includes the upper plugging block for being connected to injection well downhole flow regulator bottom end, the screw rod of upper plugging block bottom end is set, the lower plugging block on screw rod is fixed on by nut, the plugging plate with the cooperation of lower plugging block, the lower plugging block is pyramidal structure, and the cone of the lower plugging block is connect with screw rod;The screw nipple for being connected under injection well downhole flow regulator on screwed pipe is provided on the plugging plate;Water outlet is provided on the plugging plate, for the water outlet muzzle of the plugging plate at the cone point position of lower plugging block, the shape of water outlet is consistent with the shape of upper plugging block and lower plugging block section.Every layer of water feed rate and confluent can be effectively controlled in the utility model after being installed on injection well downhole flow regulator, meet the water supply demand in existing oil field.
Description
Technical field
The utility model relates to a kind of water injection tools, and in particular to a kind of injection well downhole flow regulator plugging device.
Background technique
Mid-late oilfield development forms stratum after producing due to formation oil, and pressure reduction, liquid level can be lower and lower, and pumping is deep
Degree also can be deeper and deeper, when reaching certain depth, some oil fields need to be changed to water injection well.Pumpingh well is improved by filling the water
Then liquid level is extracted out with water-driven oil to oil well with oil well pump.And the thickness and volume of each oil reservoir are different, each layer
Water injection rate is also different, thus installs an injection well downhole flow regulator on each layer, according to the water injection rate that geology design requirement needs injection allocation different,
To produce layering injection well downhole flow regulator.
Existing disclosed layering injection well downhole flow regulator, a kind of water distribution of casing patching well as disclosed in CN201610277227.X
Device, although the purpose of layering water supply can be realized effectively, plugging device is directly a block structure, directly to injection well downhole flow regulator
Water distributing core is blocked, and water distribution quantity can not be adjusted, and also cannot achieve the function of disconnecting this layer of water distribution, thus is not able to satisfy
The water supply demand in existing oil field.
Utility model content
The technical problem to be solved by the utility model is to plugging device in the prior art can not adjust water distribution quantity, also without
Method realizes the function of disconnecting this layer of water distribution, thus the problem of be not able to satisfy the water supply demand in existing oil field, and it is an object of the present invention to provide
A kind of injection well downhole flow regulator plugging device, is designed by reasonable structure, after it capable of being made to be installed on injection well downhole flow regulator, it is selective to every layer into
Every layer of water feed rate and confluent can be effectively controlled in row moisturizing, meets the water supply demand in existing oil field.
The utility model is achieved through the following technical solutions:
A kind of injection well downhole flow regulator plugging device, the upper plugging block including being connected to injection well downhole flow regulator bottom end, is arranged in upper plugging block bottom end
Screw rod is fixed on the lower plugging block on screw rod by nut, and the plugging plate with the cooperation of lower plugging block, the lower plugging block is taper
The cone of structure, the lower plugging block is connect with screw rod;
The screw nipple for being connected under injection well downhole flow regulator on screwed pipe is provided on the plugging plate;On the plugging plate
Be provided with water outlet, the water outlet muzzle of the plugging plate at the cone point position of lower plugging block, the shape of water outlet with it is upper
Plugging block is consistent with the shape in lower plugging block section;
Gasket seal is provided between the upper plugging block and lower plugging block.
The installation very simple of the utility model structure has greatly been saved manufacture and has been mounted to without the operation such as welding
This, effect is very significant.Also, after being installed on injection well downhole flow regulator by the structure of the utility model, it can be matched by moving up and down
Water machine body realizes the on-off of lower layer's water distribution, and can effectively adjust the amount of liquid size of lower layer's water distribution.Thus, it is practical by this
New structural installation, energy selectivity gives lower layer to carry out moisturizing, and the water feed rate and confluent of lower layer can be effectively controlled, full
The water supply demand in the existing oil field of foot.
Further, the upper plugging block is set as hemispherical dome structure, and lower plugging block is set as flared structure, and nut is under
Gasket seal is also equipped between plugging block.
Further, rubber sealant is respectively provided on the outer surface of the upper plugging block and lower plugging block.
Further, the upper plugging block, lower plugging block, plugging plate, screw nipple, screw rod and nut are by stainless steel
Texture at.
The utility model compared with prior art, has the following advantages and benefits:
1, the installation very simple of the utility model structure has greatly saved manufacture and installation without the operation such as welding
Cost, effect are very significant;
2, by the installation of the utility model structure, energy selectivity gives lower layer to carry out moisturizing, and lower layer can be effectively controlled
Water feed rate and confluent, meet the water supply demand in existing oil field.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the utility model embodiment, constitutes the one of the application
Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is that the utility model is mounted on the structural schematic diagram on injection well downhole flow regulator.
Label and corresponding parts title in attached drawing:
The upper screwed pipe of 1-, 3- water distributing core, 4- communication groove, 5- upper seal, 6- water distribution upper outlet, 7- lower seal, 8-
Lower screwed pipe, 9- match underwater outfall, the outer linked hole of 10-;
21- plugging block, 22- plugging plate, 23- bolt, 24- screw nipple, 25- water outlet, 26- gasket seal, 27- rubber
Glue sealant.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
Embodiment 1
A kind of injection well downhole flow regulator plugging device is arranged as shown in Figure 1, including the upper plugging block 21 for being connected to injection well downhole flow regulator bottom end upper
The screw rod 23 of 21 bottom end of plugging block is fixed on the lower plugging block 29 on screw rod 23 by nut, the envelope with the cooperation of lower plugging block 29
Closure plate 22, the lower plugging block 29 are pyramidal structure, and the cone of the lower plugging block 29 is connect with screw rod 23;
The screw nipple 24 for being connected under injection well downhole flow regulator on screwed pipe is provided on the plugging plate 22;The closure
Water outlet 25 is provided on plate 22,25 sets of water outlet of the plugging plate 22 are at the cone point position of lower plugging block 29, out
The shape at the mouth of a river 25 is consistent with the shape of upper plugging block 21 and lower 29 section of plugging block;
Gasket seal 26 is provided between the upper plugging block 21 and lower plugging block 29.
It is as shown in Figure 2 that the plugging device of the utility model is mounted on the structure on injection well downhole flow regulator.
The installation process being mounted on the plugging device in the present embodiment on injection well downhole flow regulator are as follows:
Step 1: injection well downhole flow regulator main body is mounted on lower screwed pipe 8;
Wherein, the specific structure of injection well downhole flow regulator main body is as follows:
The injection well downhole flow regulator main body include with lower screwed pipe 8 coaxial arrangement water distributing core 3, be arranged in water distributing core 3 with
The communication groove 4 that upper screwed pipe 1 is connected to, is arranged in the water distribution upper outlet 6 in water distributing core 3 and being located at below communication groove 4, and setting exists
3 bottom end of water distributing core and be connected to lower screwed pipe 8 with underwater outfall 9, be arranged between water distributing core 3 and lower screwed pipe 8 and
Upper seal 5 between water distribution upper outlet 6 and communication groove 4, setting is water distributing core 3 under between screwed pipe 8 and positioned at matching
Lower seal 7 between underwater outfall 9 and water distribution upper outlet 6, and it is mounted on the utility model with 9 lower section of underwater outfall
Plugging device.
In this step, injection well downhole flow regulator main body is mounted on the detailed process on lower screwed pipe 8 are as follows:
Plugging plate 22 is fixed on to the bottom end of lower screwed pipe 8, while upper plugging block 21 being connected to the bottom of water distributing core 3
End, the connection type of upper plugging block 21 is a variety of, can be threaded connection, is also possible to weld.By upper seal 5 and lower seal
7 are mounted in water distributing core 3, and water distributing core 3 is inserted into lower screwed pipe 8 until 23 bottom end of screw rod of upper plugging block 21 is from plugging plate
22 water outlet 25 stretches out, and successively gasket seal 26, lower plugging block 29 and another gasket seal 26 are socketed on screw rod 23,
It is fixed in screw rod 23 by mother, as depicted in figs. 1 and 2.
Step 2: upper screwed pipe 1 is threadedly coupled with the top of lower screwed pipe 8.
Embodiment 2
The present embodiment the difference from embodiment 1 is that, the present embodiment has advanced optimized the structure of the utility model, specifically
It is provided that
The upper plugging block 21 is set as hemispherical dome structure, and lower plugging block 29 is set as flared structure, nut and lower envelope
Gasket seal 26 is also equipped between sprue 29.
Rubber sealant 27 is respectively provided on the outer surface of the upper plugging block 21 and lower plugging block 29.
The upper plugging block 21, lower plugging block 29, plugging plate 22, screw nipple 24, screw rod 23 and nut are by stainless
Steel material is constituted.
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into
One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model
Determine the protection scope of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (4)
1. a kind of injection well downhole flow regulator plugging device, which is characterized in that the upper plugging block (21) including being connected to injection well downhole flow regulator bottom end is arranged upper
The screw rod (23) of plugging block (21) bottom end is fixed on the lower plugging block (29) on screw rod (23) by nut, with lower plugging block
(29) plugging plate (22) cooperated, the lower plugging block (29) are pyramidal structure, the cone and screw rod of the lower plugging block (29)
(23) it connects;
The screw nipple (24) for being connected under injection well downhole flow regulator on screwed pipe is provided on the plugging plate (22);The closure
It is provided on plate (22) water outlet (25), the water outlet (25) of the plugging plate (22) covers the cone point in lower plugging block (29)
At position, the shape of water outlet (25) is consistent with the shape of upper plugging block (21) and lower plugging block (29) section;
Gasket seal (26) are provided between the upper plugging block (21) and lower plugging block (29).
2. a kind of injection well downhole flow regulator plugging device according to claim 1, which is characterized in that the upper plugging block (21) is set as half
Spherical structure, lower plugging block (29) are set as flared structure, are also equipped with gasket seal between nut and lower plugging block (29)
(26)。
3. a kind of injection well downhole flow regulator plugging device according to claim 1, which is characterized in that the upper plugging block (21) and lower closure
Rubber sealant (27) are respectively provided on the outer surface of block (29).
4. a kind of injection well downhole flow regulator plugging device according to claim 1, which is characterized in that the upper plugging block (21), lower closure
Block (29), plugging plate (22), screw nipple (24), screw rod (23) and nut are made of stainless steel material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821831237.4U CN209053602U (en) | 2018-11-07 | 2018-11-07 | A kind of injection well downhole flow regulator plugging device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821831237.4U CN209053602U (en) | 2018-11-07 | 2018-11-07 | A kind of injection well downhole flow regulator plugging device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209053602U true CN209053602U (en) | 2019-07-02 |
Family
ID=67052770
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201821831237.4U Active CN209053602U (en) | 2018-11-07 | 2018-11-07 | A kind of injection well downhole flow regulator plugging device |
Country Status (1)
Country | Link |
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CN (1) | CN209053602U (en) |
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2018
- 2018-11-07 CN CN201821831237.4U patent/CN209053602U/en active Active
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