CN208122837U - A kind of water injection well in oil fields ground tuner - Google Patents
A kind of water injection well in oil fields ground tuner Download PDFInfo
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- CN208122837U CN208122837U CN201820416211.7U CN201820416211U CN208122837U CN 208122837 U CN208122837 U CN 208122837U CN 201820416211 U CN201820416211 U CN 201820416211U CN 208122837 U CN208122837 U CN 208122837U
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Abstract
The utility model relates to a kind of water injection well in oil fields ground tuners, and by left sleeve, piston body that left sleeve rear portion is arranged in, the oil casing annular space injector for being separately positioned on left sleeve front end and piston body rear end and the part such as tubing string internal injector and the small junction block, the junction block that are respectively provided on left sleeve upper side wall and lower wall form.In use, by the assembly of ground tuner in water injection well side, junction block connects water pipeline hoop head, and oil casing annular space injector connects proof wellhead oil casing annular space gate valve hoop, tubing string internal injector connects well head side gate valve hoop, small junction block connection emptying gate valve.The flexible adjustment of the utility model is convenient, simple installation has many advantages, such as that allotment workload is small, the time is short, expense is low, be conducive to environmental protection, be safe and reliable without special equipment and professional construction troop when deploying injection rate.
Description
Technical field
The utility model belongs to water injection well in oil fields production equipment corollary apparatus technical field, and in particular to a kind of oil-field flooding
Well ground tuner.
Background technique
During water flooding, eccentric center water-distributing separate zone waterflooding technology is generallyd use to solve interlayer contradiction, improve note
Water development efficiency, but using the technical operation need to downhole tool it is more, construction operation and daily management program are relative complex, and
And special equipment and professional construction troop is needed to carry out well allotment, the complex procedures installed and constructed, time are long, costly,
And there are higher safe and environment-friendly risks.
Utility model content
The purpose of this utility model is that solve to problem of the existing technology, provide that a kind of structure is simple, peace
Dress is convenient, deploys that convenient, expense is low, convenient for the water injection well in oil fields ground tuner of management and safety and environmental protection.
It is as described below for realizing the technical solution of the utility model aim.
A kind of water injection well in oil fields ground tuner is pressed from channel by putting down to the left sleeve of setting, piston body and channel
Vertically arranged oil casing annular space injector, tubing string internal injector composition, the front of the left sleeve have in path
Chamber, middle and back has the major diameter inner cavity chamber communicated with path inner cavity chamber, on the upper side wall and lower wall at the middle part of left sleeve
A left set aperture and a left set side opening are had, is connected to respectively on left sleeve side wall and left set aperture and left set side opening
The small junction block and junction block of connection；The piston body is sleeved on left sleeve rear portion, including one is sleeved on left sleeve major diameter
The indoor piston in inner cavity, one be located at after piston and the swivel nut that is threadedly coupled with left sleeve major diameter inner cavity chamber and a front end and
The screwed pipe that piston connection and middle section are threadedly coupled with swivel nut；Before the oil casing annular space injector is even mounted in left sleeve
End, the short body valve casing with the vertical sap cavity room out of a band, is provided with one and left sleeve path inner cavity on short body valve housing side wall
The short side hole that room communicates goes out chamber screw thread by direction under short body valve casing and even has upper body inner cavity chamber for loading one
Valve body, is provided with the annular compartment that a circle is communicated with short side hole on body wall, which passes through a valve body elongated slot
It is communicated with body cavity room；The tubing string internal injector is even mounted in the rear end of screwed pipe, and structure and oil casing annular space are infused
Enter that device is essentially identical, i.e., there is the vertical long body of a band to go out the long body valve casing of sap cavity room for it, be provided with one on long body valve housing side wall
A long side hole communicated with screwed pipe inner cavity chamber goes out chamber by the long body in direction under long body valve casing and is threaded into one with upper
The valve body of portion body cavity room, is provided with the annular compartment that a circle is communicated with long side hole on body wall, and the annular compartment is logical
It crosses a valve body elongated slot to communicate with screwed pipe inner cavity chamber, fitting sleeve is even housed in the top screw thread of long body valve casing outer wall.
The further technical solution of the utility model further includes：In the body cavity of oil casing annular space injector
Room top is pressed into the water nozzle that control chamber is warded off in one, is set with a pressing sleeve on the top of water nozzle, short body valve casing goes out liquid
The aperture of chamber is greater than the aperture of control chamber.
The further technical solution of the utility model further includes：The upper and lower part of water nozzle is attached separately to body cavity
In room and pressing sleeve, pressing sleeve is threadedly coupled with short body valve casing.
The further technical solution of the utility model further includes：On the body cavity room top of tubing string internal injector
It is pressed into the water nozzle for warding off control chamber in one, is set with a pressing sleeve on the top of water nozzle, long body goes out liquid in long body valve casing
The aperture of chamber is greater than the aperture of control chamber.
The further technical solution of the utility model further includes：The upper and lower part of water nozzle is attached separately to body cavity
In room and pressing sleeve, pressing sleeve is threadedly coupled with long body valve casing.
The ground tuner in actual use, is mounted in the side of water injection well, made below left sleeve by the utility model
Junction block is threadedly connected to water pipeline hoop head, and the upper port of oil casing annular space injector is made to be threadedly connected to well head
Oil jacket annulus gate valve hoop, while the fitting sleeve of tubing string internal injector being made to be threadedly connected to well head side to fill the water gate valve card
Head is bound round, and the small junction block above left sleeve is made to be threadedly connected to emptying gate valve；By adjusting long body valve casing and connector inner room
Screw thread determine the size of tubing string internal injector in the vertical direction, and the screw thread by adjusting between screwed pipe and swivel nut is determined and is lived
Plug sleeve body is equalling upward size；After design requirement G.I.H tubing string, the feed liquor pressure out of tubing string, when fluid pressure is raised to
Packer completion is set when certain pressure value, is set switch well-washing device while being opened；When to top oil-bearing stratum flooding, water a part
Successively pass through feed liquor chamber, the left set side opening, major diameter inner cavity chamber, path inner cavity chamber, short side hole, annular chamber of the ground tuner
Room, valve body elongated slot, body cavity room, control chamber, sap cavity room enters oil casing annular space arrival top oil reservoir out；A part
Water successively pass through feed liquor chamber, left set side opening, major diameter inner cavity chamber, screwed pipe inner cavity chamber, long side hole, annular compartment, valve body elongated slot,
Body cavity room, control chamber, go out sap cavity room, long body go out sap cavity room enter tubing string, packer, set switch well-washing device after arrive
Up to bottom oil layer, two parts water for injecting upper and lower part oil reservoir is controlled by water nozzle；When allotment, closes and come Water gate valve, well head side note
Water gate valve and proof wellhead oil casing annular space gate valve open the emptying gate valve connecting with small junction block, make the high pressure water in the tuner of ground
It is flowed out after major diameter inner cavity chamber, left set aperture, small junction block inner cavity chamber；By screwing out valve in oil casing annular space injector
Body, pressing sleeve replace water nozzle, after ressembling, close emptying gate valve, open well head side and fill the water gate valve, proof wellhead oil casing annular space lock
Valve and carrys out Water gate valve and carry out flooding production again.
Compared with prior art, the utility model has an advantageous effect in that：Due to taking above-mentioned technical solution, oil field
It is not necessarily to special equipment and professional construction troop again when deploying injection rate during waterflooding extraction, the flexible adjustment of the ground tuner
Convenient, simple installation has many advantages, such as that allotment workload is small, the time is short, expense is low, is conducive to environmental protection, is safe and reliable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one specific embodiment of the utility model.
Each number designation title is respectively in figure：The short body valve casing of 1-, 2- pressing sleeve, 3- go out sap cavity room, and 4- controls chamber,
5- water nozzle, 6- body cavity room, 7- valve body elongated slot, 8- annular compartment, the short side hole 9-, 10- sealing ring, 11- valve
Body, 12- path inner cavity chamber, 13- left sleeve, the small junction block of 14-, the small connector inner cavity chamber of 15-, the left set aperture of 16-, 17-
Major diameter inner cavity chamber, the left set side opening of 18-, 19- feed liquor chamber, 20- junction block, 21- piston, 22- sealing ring, 23- screwed pipe,
24- swivel nut, 25- screwed pipe inner cavity chamber, the side 26- long hole, 27- long body valve casing, 28- fitting sleeve, 29- long body go out sap cavity
Room.
Specific embodiment
The utility model is described further below with reference to attached drawing.
Referring to attached drawing, water injection well in oil fields ground described in the utility model tuner is by left sleeve 13, setting in left sleeve
The piston body at 13 rear portions and the oil casing annular space injection for being separately positioned on 13 front end of left sleeve and piston body rear end
The part such as device and tubing string internal injector, small junction block 14, junction block 20 forms.Left sleeve 13, which is one, has pre-small post-large pair
The component of diameter inner cavity chamber has left set aperture 16 and left set side opening at the upper side wall at 13 middle part of left sleeve and lower wall
18, it is connected to the small junction block 14 and junction block being connected to left set aperture 16 and left set side opening 18 respectively on 13 side wall of left sleeve
20.Piston body is sleeved on 13 rear portion of left sleeve, by one 21, one, the piston being sleeved in left sleeve in major diameter inner cavity chamber 17
After piston 21 and with left sleeve major diameter inner cavity chamber 17 be threadedly coupled swivel nut 24 and a front end connect with piston 21 and
The screwed pipe 23 that middle section is threadedly coupled with swivel nut 24 forms.Oil casing annular space injector is even mounted in the front end of left sleeve 13, tool
There is short body valve casing 1 of the band directly to sap cavity room 3 out, is provided with one and left sleeve small-and-middle diameter inner cavity on short 1 side wall of body valve casing
The short side hole 9 that room 12 communicates goes out 3 internal screw thread of sap cavity room by direction under short body valve casing and is even packed into one with upper body inner cavity
The valve body 11 of room 6 is pressed into the water nozzle 5 that control chamber 4 is warded off in one on 6 top of body cavity room, out the aperture of sap cavity room 3
Greater than the aperture of control chamber 4, the upper and lower part of water nozzle 5 is attached separately in body cavity room 6 and pressing sleeve 2, pressing sleeve 2 and short body
Valve casing 1 is threadedly coupled；The annular compartment 8 that a circle is communicated with short side hole 9 is provided on 11 side wall of valve body, the annular compartment 8 is logical
A valve body elongated slot 8 is crossed to communicate with body cavity room 6.Tubing string internal injector is even mounted in the rear end of screwed pipe 23, except size is larger
Outside, tubing string internal injector structure and oil casing annular space injector are essentially identical, i.e., there is a band directly to go out to long body for it
The long body valve casing 27 of sap cavity room 29 is provided with the long side hole communicated with screwed pipe inner cavity chamber 25 on long 27 side wall of body valve casing
26,29 internal screw thread of sap cavity room is gone out by the long body in direction under long body valve casing and is packed into the valve body for having upper body inner cavity chamber, in valve
Chamber inside body top is pressed into the water nozzle that control chamber is warded off in one, and the upper and lower part of water nozzle is attached separately to body cavity room
In pressing sleeve, pressing sleeve is threadedly coupled with long body valve casing 27, and the aperture that long body goes out sap cavity room 29 in long body valve casing 27 is greater than control chamber
The aperture of room；The annular compartment that a circle is communicated with long side hole 26 is provided on body wall, which passes through a valve
Body elongated slot is communicated with screwed pipe inner cavity chamber 25, and fitting sleeve 28 is even housed in the top screw thread of long 27 outer wall of body valve casing.
The working principle of the utility model is as described below.
One, it installs：Ground tuner is mounted in water injection well side, make the junction block 20 below left sleeve and carrys out water pipeline
Hoop is threadedly coupled, and the upper port of oil casing annular space injector is connect with proof wellhead oil casing annular space gate valve hoop, oil pipe
The fitting sleeve 28 of column internal injector is threadedly coupled with well head side water filling gate valve hoop, makes the small junction block 14 above left sleeve
Connection emptying gate valve；Tubing string internal injector is regulated in the vertical direction by the screw thread between long body valve casing 27 and fitting sleeve 28
Size, and piston body is regulated by the screw thread between screwed pipe 23 and swivel nut 24 and is equalling upward size.
Two, it sets：After design requirement G.I.H tubing string, the feed liquor pressure out of tubing string, when fluid pressure is raised to centainly
Packer completion is set when pressure value, is set switch well-washing device while being opened.
Three, it fills the water：It injects water a part and passes through feed liquor chamber 19, left set side opening 18, major diameter inner cavity chamber 17, path inner cavity chamber
12, short side hole 9, annular compartment 8, valve body elongated slot 7, body cavity room 6, control chamber 4, the out entrance of sap cavity room 3 oil jacket pipe ring
Shape space reaches top oil reservoir；Another part water passes through feed liquor chamber 19, left set side opening 18, major diameter inner cavity chamber 17, screwed pipe inner cavity
Room 25, long side hole 26, annular compartment 8, valve body elongated slot 7, body cavity room 6, control chamber 4, sap cavity room 3, long body go out liquid out
The entrance of chamber 29 tubing string, packer reach bottom oil layer after setting switch well-washing device.Upper and lower part is injected by the tuner
The allocation proportion of two parts water of oil reservoir is controlled by water nozzle inner diameter size, can install a certain type in real work as needed
Number water nozzle.
Four, it deploys：It closes and comes Water gate valve, the water filling of well head side gate valve, proof wellhead oil casing annular space gate valve, open and small junction block
The emptying gate valve of 14 connections makes the high pressure water in the tuner of ground by major diameter inner cavity chamber 17, left set aperture 16, small junction block
It is flowed out after chamber 15；By screwing out valve body 11 and pressing sleeve 2 in oil casing annular space injector, replacement water nozzle 5 is (required for replacing
A certain model water nozzle), after ressembling, then pressing sleeve 2 is tightened in valve body 11, valve body 11 is tightened on forging body valve casing respectively
1, in long body valve casing, closes and is vented gate valve, opens well head side water filling gate valve, proof wellhead oil casing annular space gate valve and carrys out Water gate valve
Flooding production again is carried out, realizes and carries out seperated layer water injection on demand, reach note and adopt pressure balance.
Claims (5)
1. a kind of water injection well in oil fields ground tuner, it is characterised in that：From channel by left sleeve (13), the piston bush put down to setting
Body and channel are formed by vertically arranged oil casing annular space injector, tubing string internal injector, the left sleeve (13)
Front there are path inner cavity chamber (12), middle and back has the major diameter inner cavity chamber (17) that communicates with path inner cavity chamber (12), on a left side
A left set aperture (16) and a left set side opening (18) are had on the upper side wall and lower wall at the middle part of sleeve (13),
The small junction block (14) and connector being connected to left set aperture (16) and left set side opening (18) are connected on left sleeve (13) side wall respectively
It manages (20)；The piston body is sleeved on left sleeve (13) rear portion, including one is sleeved in left sleeve major diameter inner cavity chamber (17)
Piston (21), one be located at piston (21) swivel nut (24) and one for being threadedly coupled afterwards and with left sleeve major diameter inner cavity chamber (17)
The screwed pipe (23) that root front end is connect with piston (21) and middle section is threadedly coupled with swivel nut (24)；The oil casing annular space injection
Device is even mounted in the front end of left sleeve (13), the short body valve casing (1) with a band vertical sap cavity room (3) out, in short body valve casing (1)
It is provided with the short side hole (9) communicated with left sleeve path inner cavity chamber (12) on side wall, liquid is gone out by the lower direction of short body valve casing
Chamber (3) internal screw thread is even packed into the valve body (11) for having upper body inner cavity chamber (6), is provided with one on valve body (11) side wall
The annular compartment (8) communicated with short side hole (9) is enclosed, which passes through a valve body elongated slot (7) and body cavity room
(6) it communicates；The tubing string internal injector is even mounted in the rear end of screwed pipe (23), and there is the vertical long body of a band to go out sap cavity room (29)
Long body valve casing (27), the long side hole communicated with screwed pipe inner cavity chamber (25) is provided on long body valve casing (27) side wall
(26), sap cavity room (29) internal screw thread is gone out by the long body in direction under long body valve casing and is packed into the valve body for having upper body inner cavity chamber,
Be provided with the annular compartment that a circle is communicated with long side hole (26) on body wall, the annular compartment by a valve body elongated slot with
Screwed pipe inner cavity chamber (25) communicates, and fitting sleeve (28) even are housed in the top screw thread of long body valve casing (27) outer wall.
2. water injection well in oil fields ground according to claim 1 tuner, it is characterised in that：It is injected in oil casing annular space
Body cavity room (6) top of device is pressed into the water nozzle (5) that control chamber (4) are warded off in one, is set on the top of water nozzle (5)
There is a pressing sleeve (2), the aperture of sap cavity room (3) is greater than the aperture of control chamber (4) out.
3. water injection well in oil fields ground according to claim 2 tuner, it is characterised in that：The upper and lower part of water nozzle (5)
It is attached separately in body cavity room (6) and pressing sleeve (2), pressing sleeve (2) is threadedly coupled with short body valve casing (1).
4. water injection well in oil fields ground according to claim 1 tuner, it is characterised in that：In the valve of tubing string internal injector
Chamber inside body top is pressed into the water nozzle that control chamber is warded off in one, is set with a pressing sleeve, long body valve on the top of water nozzle
The aperture that long body goes out sap cavity room (29) in shell (27) is greater than the aperture of control chamber.
5. water injection well in oil fields ground according to claim 4 tuner, it is characterised in that：Distinguish the upper and lower part of water nozzle
In body cavity room and pressing sleeve, pressing sleeve is threadedly coupled with long body valve casing (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820416211.7U CN208122837U (en) | 2018-03-27 | 2018-03-27 | A kind of water injection well in oil fields ground tuner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820416211.7U CN208122837U (en) | 2018-03-27 | 2018-03-27 | A kind of water injection well in oil fields ground tuner |
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| Publication Number | Publication Date |
|---|---|
| CN208122837U true CN208122837U (en) | 2018-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820416211.7U Active CN208122837U (en) | 2018-03-27 | 2018-03-27 | A kind of water injection well in oil fields ground tuner |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735607A (en) * | 2019-12-02 | 2020-01-31 | 延长油田股份有限公司南泥湾采油厂 | oil-well pump gap bridge pressing setting packer device and application method |
| CN113216914A (en) * | 2021-06-09 | 2021-08-06 | 门万龙 | Layered injection allocation device |
-
2018
- 2018-03-27 CN CN201820416211.7U patent/CN208122837U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735607A (en) * | 2019-12-02 | 2020-01-31 | 延长油田股份有限公司南泥湾采油厂 | oil-well pump gap bridge pressing setting packer device and application method |
| CN113216914A (en) * | 2021-06-09 | 2021-08-06 | 门万龙 | Layered injection allocation device |
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