CN207245687U - A kind of injection well downhole flow regulator external seal instrument - Google Patents
A kind of injection well downhole flow regulator external seal instrument Download PDFInfo
- Publication number
- CN207245687U CN207245687U CN201721118846.0U CN201721118846U CN207245687U CN 207245687 U CN207245687 U CN 207245687U CN 201721118846 U CN201721118846 U CN 201721118846U CN 207245687 U CN207245687 U CN 207245687U
- Authority
- CN
- China
- Prior art keywords
- flow regulator
- injection well
- downhole flow
- well downhole
- self
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Fuel-Injection Apparatus (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of injection well downhole flow regulator external seal instrument, the injection well downhole flow regulator external seal instrument includes seal casinghousing, self-sealing rubber core and anti-channeling slips, it is a cavity inside the seal casinghousing, both ends open, it is socketed on outside injection well downhole flow regulator, and seal casinghousing can be slided up and down relative to injection well downhole flow regulator, at least two self-sealing rubber cores are internally provided with the seal casinghousing, two self-sealing rubber cores are spaced apart, seal casinghousing is contacted by self-sealing rubber core with the outer wall of injection well downhole flow regulator, seal casinghousing and self-sealing rubber core composition sealing cavity, it can play the role of sealing, and anti-channeling slips is set between seal casinghousing and injection well downhole flow regulator outer wall.The utility model seals the hydrophthalmia upper and lower side that goes out of injection well downhole flow regulator using self-sealing rubber core, matched during use with wellheadpressure apparatus for work, injection well downhole flow regulator external seal tool cover is sent into operation device under pressure on oil pipe during lift pipe string, so as to achieve the purpose that work with pressure.
Description
Technical field
Technical field of petroleum extraction is the utility model is related to, specifically a kind of injection well downhole flow regulator external seal instrument.
Background technology
Injection well downhole flow regulator is the instrument of required outfit on the packer for have water-filling function, for the moisture injected in oil pipe to be matched somebody with somebody
Each waterflood path on into packer, injection well downhole flow regulator are installed in the central tube on packer, install several different water fillings thereon
Mouth, is respectively used to the water filling of the upper and lower layer of packing element and water is distributed in the oil pipe that packer bottom connected, under
The water filling of one packer lower floor.
During Operating Pressure, how to ensure that injection well downhole flow regulator without with pressure of leakage goes out well head and is one and very crucial ask
Topic.In the prior art, it will usually consider to blanking plug under injection well downhole flow regulator central tube, due to corrosion of incrustation scale and downhole tool etc. because
Element, it is difficult to achieve the desired results.
The content of the invention
The purpose of this utility model is to provide a kind of injection well downhole flow regulator external seal instrument, and injection well downhole flow regulator is carried out using external seal mode
Sealing, can act well head, so as to fulfill the purpose of Operating Pressure by injection well downhole flow regulator always.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of injection well downhole flow regulator external seal instrument, including seal casinghousing, self-sealing rubber core and anti-channeling slips, inside the seal casinghousing
For a cavity, both ends open, is socketed on outside injection well downhole flow regulator, and seal casinghousing can be slided up and down relative to injection well downhole flow regulator, described close
Envelope enclosure interior is provided with least two self-sealing rubber cores, i.e. the first self-sealing rubber core and the second packing unit, the first self-sealing rubber core with
Second packing unit is spaced apart, and seal casinghousing passes through the first self-sealing rubber core and the outer wall of the second packing unit and injection well downhole flow regulator
Contact, seal casinghousing and self-sealing rubber core composition sealing cavity, can play the role of sealing, and outside seal casinghousing and injection well downhole flow regulator
Anti-channeling slips is set between wall.
The self-sealing rubber core, for sealed water injection allocator.The seal casinghousing is used for carrying the portions such as self-sealing rubber core, anti-channeling slips
Part.The anti-channeling slips,, can be by external seal work if pressure is larger when self-sealing rubber core plays sealing function to injection well downhole flow regulator
Tool is firmly locked on injection well downhole flow regulator, avoids play.Its material of the self-sealing rubber core is nitrile rubber, and nitrile rubber has preferably close
Sealing property.
The operation principle of the utility model is as follows：
The hydrophthalmia upper and lower side that goes out of injection well downhole flow regulator is sealed using self-sealing rubber core, is shipped in Operating Pressure, so as to reach
The purpose of work with pressure.
Its application method is as follows：The injection well downhole flow regulator external seal instrument and wellheadpressure apparatus for work match, lift pipe string
When by injection well downhole flow regulator external seal tool cover on oil pipe, send into operation device under pressure, box cupling can pass freely through, and not influence normal
Oil pipe is played, when playing injection well downhole flow regulator, external seal instrument upper end step is stuck on injection well downhole flow regulator, injection well downhole flow regulator outer end hydrophthalmia is carried out close
Envelope.
The beneficial effects of the utility model are：
The utility model seals the hydrophthalmia upper and lower side that goes out of injection well downhole flow regulator using self-sealing rubber core, is shipped to Operating Pressure
In, so as to achieve the purpose that work with pressure.Matched during use with wellheadpressure apparatus for work, by outside injection well downhole flow regulator during lift pipe string
Sealing tool is sleeved on oil pipe, is sent into operation device under pressure, and box cupling can pass freely through, and does not influence normally to play oil pipe, when rise
During to injection well downhole flow regulator, external seal instrument upper end step is stuck on injection well downhole flow regulator, and injection well downhole flow regulator outer end hydrophthalmia is sealed.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the structure diagram of the utility model embodiment one.
Fig. 2 is the structure diagram of the utility model embodiment two.
In figure：1-injection well downhole flow regulator；11-go out hydrophthalmia；2-- injection well downhole flow regulator external seal instruments；21-the first self-sealing rubber core；22-close
Capsule body；23-the second self-sealing rubber core；24-anti-channeling slips.
Embodiment
Embodiment one, as shown in Figure 1, being provided with out hydrophthalmia 11 on injection well downhole flow regulator 1, goes out the upper half that hydrophthalmia 11 is located at injection well downhole flow regulator
Section, injection well downhole flow regulator external seal instrument 2 include seal casinghousing 22, self-sealing rubber core and anti-channeling slips 24, and the inside of seal casinghousing 22 is
One cavity, both ends open, is socketed on outside injection well downhole flow regulator 1, and seal casinghousing 22 can be slided up and down relative to injection well downhole flow regulator 1, described
Seal casinghousing 22 is internally provided with least two self-sealing rubber cores, i.e., the first self-sealing rubber core 21 as shown in Figure 1 and the second fluid sealant
Core 23, the first self-sealing rubber core 21 and the second packing unit 23 are spaced apart, and seal casinghousing 22 passes through the first self-sealing rubber core 21
Contacted with the second packing unit 23 with the outer wall of injection well downhole flow regulator 1, seal casinghousing 22 and self-sealing rubber core composition sealing cavity, can play
The effect of sealing, and anti-channeling slips 24 is set between 1 outer wall of seal casinghousing 22 and injection well downhole flow regulator, the anti-channeling slips 24 is positioned at close
The lower end of capsule body 22, the anti-channeling slips 24 are located at the same side of the first self-sealing rubber core 21 and the second packing unit 23, i.e., anti-
Slips 24 is altered to be located at outside the sealing cavity that seal casinghousing 22 is formed with self-sealing rubber core.
The self-sealing rubber core, for sealed water injection allocator.
The seal casinghousing 22 is used for carrying the components such as self-sealing rubber core, anti-channeling slips 24.
The anti-channeling slips 24,, can be by outside if pressure is larger when self-sealing rubber core plays sealing function to injection well downhole flow regulator
Sealing tool is firmly locked on injection well downhole flow regulator, avoids play.
Its material of the self-sealing rubber core is nitrile rubber, and nitrile rubber has preferable sealing performance.
The operation principle of the present invention is as follows：
The hydrophthalmia upper and lower side that goes out of injection well downhole flow regulator is sealed using self-sealing rubber core, is shipped in Operating Pressure, so as to reach
The purpose of work with pressure.
Embodiment two, as shown in Fig. 2, being provided with out hydrophthalmia 11 on injection well downhole flow regulator 1, goes out the lower half that hydrophthalmia 11 is located at injection well downhole flow regulator
Section, injection well downhole flow regulator external seal instrument 2 include seal casinghousing 22, self-sealing rubber core and anti-channeling slips 24, and the inside of seal casinghousing 22 is
One cavity, both ends open, is socketed on outside injection well downhole flow regulator 1, and seal casinghousing 22 can be slided up and down relative to injection well downhole flow regulator 1, described
Seal casinghousing 22 is internally provided with least two self-sealing rubber cores, i.e., the first self-sealing rubber core 21 as shown in Figure 1 and the second fluid sealant
Core 23, the first self-sealing rubber core 21 and the second packing unit 23 are spaced apart, and seal casinghousing 22 passes through the first self-sealing rubber core 21
Contacted with the second packing unit 23 with the outer wall of injection well downhole flow regulator 1, seal casinghousing 22 and self-sealing rubber core composition sealing cavity, can play
The effect of sealing, and anti-channeling slips 24 is set between 1 outer wall of seal casinghousing 22 and injection well downhole flow regulator, the anti-channeling slips 24 is positioned at close
The middle part of capsule body 22, the anti-channeling slips 24 is between the first self-sealing rubber core 21 and the second packing unit 23, i.e. Anti-leap
Watts 24 inside sealing cavity of the seal casinghousing 22 with self-sealing rubber core composition.
The course of work of the utility model is as follows：
Matched with wellheadpressure apparatus for work, injection well downhole flow regulator external seal instrument 2 is sleeved on oil pipe by when lift pipe string, is sent
Into operation device under pressure, box cupling can pass freely through, and not influence normally to play oil pipe, when playing injection well downhole flow regulator, external seal instrument
Upper end step is stuck on injection well downhole flow regulator, and injection well downhole flow regulator outer end hydrophthalmia is sealed.
Disclosed above is only specific implementation of the patent example, but this patent is not limited to this, for the general of this area
For logical technical staff, on the premise of the utility model principle is not departed from, the deformation made should be regarded as belonging to the utility model
Protection domain.
Claims (4)
- A kind of 1. injection well downhole flow regulator external seal instrument, it is characterised in that：Including seal casinghousing (22), self-sealing rubber core and anti-channeling slips (24), inside the seal casinghousing (22) it is a cavity, both ends open, is socketed on injection well downhole flow regulator (1) outside, and seal casinghousing (22) It can be slided up and down relative to injection well downhole flow regulator (1), at least two self-sealing rubber cores, i.e., first are internally provided with the seal casinghousing (22) Self-sealing rubber core (21) and the second packing unit (23), the first self-sealing rubber core (21) and the second packing unit (23) are spaced a spacing From, seal casinghousing (22) is contacted by the first self-sealing rubber core (21) and the second packing unit (23) with the outer wall of injection well downhole flow regulator (1), Anti-channeling slips (24) is set between seal casinghousing (22) and injection well downhole flow regulator (1) outer wall.
- 2. injection well downhole flow regulator external seal instrument according to claim 1, it is characterised in that：The anti-channeling slips (24) is located at first The same side of self-sealing rubber core (21) and the second packing unit (23), i.e. anti-channeling slips (24) be located at seal casinghousing (22) with from sealing Outside the sealing cavity of core composition.
- 3. injection well downhole flow regulator external seal instrument according to claim 1, it is characterised in that：The anti-channeling slips (24) is located at first Between self-sealing rubber core (21) and the second packing unit (23), i.e., anti-channeling slips (24) is located at seal casinghousing (22) and self-sealing rubber core group Into sealing cavity inside.
- 4. the injection well downhole flow regulator external seal instrument according to Claims 2 or 3, it is characterised in that：Its material of the self-sealing rubber core is Nitrile rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721118846.0U CN207245687U (en) | 2017-09-03 | 2017-09-03 | A kind of injection well downhole flow regulator external seal instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721118846.0U CN207245687U (en) | 2017-09-03 | 2017-09-03 | A kind of injection well downhole flow regulator external seal instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207245687U true CN207245687U (en) | 2018-04-17 |
Family
ID=61884916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721118846.0U Active CN207245687U (en) | 2017-09-03 | 2017-09-03 | A kind of injection well downhole flow regulator external seal instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207245687U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107313755A (en) * | 2017-09-03 | 2017-11-03 | 盐城市金巨石油机械制造有限公司 | A kind of injection well downhole flow regulator external seal instrument and its application method |
-
2017
- 2017-09-03 CN CN201721118846.0U patent/CN207245687U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107313755A (en) * | 2017-09-03 | 2017-11-03 | 盐城市金巨石油机械制造有限公司 | A kind of injection well downhole flow regulator external seal instrument and its application method |
| CN107313755B (en) * | 2017-09-03 | 2023-07-21 | 盐城市金巨石油机械制造有限公司 | Water distributor external sealing tool and use method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207017968U (en) | Oil well head annular space sealing device | |
| CN107143298A (en) | Oil well head annular space sealing device | |
| CN102721634B (en) | Method and device for in-situ penetration test by means of water injection under drilling pressure | |
| CN207229060U (en) | A kind of rock body quality of mine drilling gas blocks extraction Intergration system | |
| CN207245687U (en) | A kind of injection well downhole flow regulator external seal instrument | |
| CN103603628A (en) | Injecting-plugging method during under-well work | |
| CN111335837A (en) | Pressure-maintaining coring inner barrel for coal rock | |
| US2342588A (en) | Method for preventing the loss of drilling fluid during the drilling of wells | |
| CN107489394A (en) | A kind of three oval experimental provision of open hole packer | |
| CN2893141Y (en) | Spigot type hollow integrated separated layer water-flooding process pipe column | |
| CN212389328U (en) | Multi-size pipe diameter self-adaptive sealing underground liquid level monitoring system | |
| CN107313755A (en) | A kind of injection well downhole flow regulator external seal instrument and its application method | |
| CN105545264B (en) | A kind of carbon dioxide alternate water injection displacement of reservoir oil single-tube double-layer injection technology tubing string | |
| CN215256158U (en) | Layered packing high-fidelity monitoring system | |
| CN105864526B (en) | A kind of sealing installation structure of tunnel pipelines and the installation method of tunnel pipelines | |
| CN206581920U (en) | The device well that a kind of shale gas horizontal well is shunt in a well temporarily in | |
| CN113983277B (en) | High-pressure pipeline plugging device with good plugging effect | |
| CN105156061B (en) | A kind of underground washing well water filling intubation seal device | |
| CN115420852A (en) | Fracture-cavity type stratum plugging simulation system and method | |
| CN205301145U (en) | Experimental device for detect to seal and scurry a dose shutoff intensity | |
| CN107023273A (en) | Ground hydraulic-control gasbag-type all-metal sealing packer | |
| CN205778710U (en) | A kind of packer | |
| CN206349731U (en) | Duct closing type device | |
| CN207453958U (en) | The multi-layer testing and seal coat structure of one-trip string | |
| CN108457645B (en) | Evaluation device for fracture feasibility of nitrogen circulation huff and puff of gas formation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |