CN106468155A - One kind no throttles one way entrapped water valve - Google Patents
One kind no throttles one way entrapped water valve Download PDFInfo
- Publication number
- CN106468155A CN106468155A CN201510521954.1A CN201510521954A CN106468155A CN 106468155 A CN106468155 A CN 106468155A CN 201510521954 A CN201510521954 A CN 201510521954A CN 106468155 A CN106468155 A CN 106468155A
- Authority
- CN
- China
- Prior art keywords
- inner core
- outer tube
- valve
- valve seat
- inner chamber
- 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.)
- Pending
Links
Landscapes
- Taps Or Cocks (AREA)
Abstract
The one way entrapped water valve the invention discloses one kind no throttles, including bridge-type main body, valve ball, valve seat, described bridge-type main body includes inner core and the outer tube of integral structure, wherein inner core is an inverted U-shaped structure only having lower ending opening, and between outer tube and inner core, it is the passage of up/down perforation, in the bottom of inner core, valve seat is installed, the interior warp of described valve seat is less than the diameter of the valve ball being positioned in inner core, and described inner core opens up the through hole of radial direction insertion for the passage connecting between interior tube inner chamber and inner/outer tube.The bottom connecting short section of described inner core, pipe nipple lower end connects spacing ring, and valve seat is installed and spacing ring inwall.Outer tube upper end connects top connection, and lower end then connects lower contact, is that the passage of up/down perforation is respectively communicated with top connection inner chamber and lower contact inner chamber between outer tube and inner core.The present invention realizes down-hole high pressure layer to be prevented from stratum from returning telling the incoming oil pipe of pressure in the injection under the conditions of no restriction loss with after stopping note.
Description
Technical field
The present invention relates to the high pressure water injection equipment in separated-zone water infection oil field well；Specifically one kind no throttles one way entrapped water
Valve.
Background technology
The supporting injection well downhole flow regulator of the layered water injection process pipe column of field use is by water injection stratum in oil pipe at present, commonly uses and joins
Hydrophone has eccentric and 2 kinds of open-core type, for high pressure water injection layer, during using centering type injection well downhole flow regulator, because injection well downhole flow regulator is from introversion
Outer and all can cross water from outside to inside, no anti-returning tells function, stratum high pressure or return the dirt of discharge and easily cause water outlet after stopping note
Hole plug, impact later stage water filling and tubing string life-span, and outside open-core type injection well downhole flow regulator, have choke valve, can only be from inside to outside unidirectional
Cross water, but need during water filling to overcome valve nozzle to throttle, cause the water pressure loss, especially for high pressure water injection layer, press
Power loss will result in stratum water absorption and declines, and is unfavorable for the waterflooding extraction of high pressure zone.
Through retrieval, do not have to find the one way entrapped water valve with the application same structure.
Content of the invention
The one way entrapped water valve it is an object of the invention to provide one kind no throttles, realizes down-hole high pressure layer in no restriction loss condition
Under injection and prevent from strata pressure from returning telling incoming oil pipe after stopping note.
In order to reach above-mentioned purpose, present invention employs following technical scheme, one kind no throttles one way entrapped water valve, including bridge
Formula main body, valve ball, valve seat, described bridge-type main body includes inner core and the outer tube of integral structure, and wherein inner core is one
There is the inverted U-shaped structure of lower ending opening, and between outer tube and inner core, be the passage of up/down perforation, in the bottom of inner core, valve is installed
Seat, the interior warp of described valve seat is less than the diameter of the valve ball being positioned in inner core, and the through hole that described inner core opens up radial direction insertion is used
The passage between tube inner chamber and inner/outer tube in connection.
The bottom connecting short section of described inner core, pipe nipple lower end connects spacing ring, and valve seat is installed and spacing ring inwall.
Described spacing ring inwall opens up for placing the annular table that valve seat comes off downwards.
Described interior tube inner chamber top surface is sphere, and the through hole in the distance tube inner chamber top surface that inner core opens up radial direction insertion is greater than
Valve ball diameter.
Described outer tube upper end connects top connection, and lower end then connects lower contact, is the passage of up/down perforation between outer tube and inner core
It is respectively communicated with top connection inner chamber and lower contact inner chamber.
Compared to prior art, the invention has the advantages that：
During water filling, current push valve ball open, and injection water flows out from inside to outside from water injection valve, realize no crushing throttling water filling, stop noting
Afterwards, valve ball closes apopore under gravity, and stratum high pressure is more than oily overpressure, so that valve ball valve seat is in all the time close
Closed state, prevents stratum high pressure or return from telling dirt and enters in tubing string.
Change original spring throttling and control air-tight manner, rely on ball valve self gravitation to realize unlatching and the pass of waterflood path
Close, to high pressure zone water filling under the conditions of no crushing, possess anti-returning and tell function；Water, using bridge architecture design, is injected in inside
In long-pending miscellaneous, can sink in passageway bridge, prevent in water injecting valve body deposited thing blocking.
Brief description
Fig. 1 is a kind of structural representation of one way entrapped water valve that no throttles of the present invention.
In figure：1 top connection；2 valve balls；3 bridge-type main bodys；4 pipe nipples；5 valve seats；6 spacing rings；7—
Lower contact.
Specific embodiment
Detailed description for the present invention and technology contents, cooperation brief description is as follows, but accompanying drawing only provides with reference to and says
Bright be used, be not used for the present invention is any limitation as.
According to Fig. 1, embodiment 1：One kind no throttles one way entrapped water valve, including bridge-type main body 3, valve ball 2, valve seat 5,
Described bridge-type main body includes inner core and the outer tube of integral structure, and wherein inner core is an inverted U knot only having lower ending opening
Structure, and between outer tube and inner core be up/down perforation passage, the bottom of inner core install valve seat 5, described valve seat interior through little
In the diameter of the valve ball 2 being positioned in inner core, the through hole that described inner core opens up radial direction insertion is used for connecting interior tube inner chamber and interior
Passage between outer tube.
Embodiment 2：On the basis of embodiment 1, the bottom connecting short section 4 of described inner core, pipe nipple lower end connects spacing
Ring 6, valve seat is installed and spacing ring inwall.Described spacing ring inwall opens up for placing the annular table that valve seat comes off downwards.Institute
Stating interior tube inner chamber top surface is sphere, and inner core opens up the through hole in the distance tube inner chamber top surface of radial direction insertion, and to be greater than valve ball straight
Footpath.Described outer tube upper end connects top connection 1, and lower end then connects lower contact 7, is the logical of up/down perforation between outer tube and inner core
Road is respectively communicated with top connection inner chamber and lower contact inner chamber.
Work process：Is connected with bridge-type main body 3 in top connection 1, valve ball 2 is placed in bridge-type main body, pipe nipple 4 and bridge-type main body
Connect, valve seat 5 is installed in spacing ring 6, reconnect spacing ring and pipe nipple, finally connect lower contact 7 and bridge-type main body.
1st, connect.This instrument is all connected with 27/8TBG oil pipe up and down.
2nd, open.Oil pipe water after passageway bridge upwardly valve ball up, until passageway bridge in side opening with
Valve seat connects, and now waterflood path fully opens, and realizes normal water filling, simultaneously in injection process, long-pending miscellaneous logical in water
Bridge type passage sinks, and prevents the blocking of waterflood path.
3rd, stop to note.Valve ball is descending under self gravitation effect, forms sealing with valve seat, and it is incoming that stratum high pressure passes through side opening
Act on valve ball, due to being low pressure in oil pipe, inside and outside differential pressure makes valve ball tighter with valve base sealing, prevents stratum high pressure incoming
In oil pipe, also effectively prevent stratum dirt and return and tell entrance oil pipe.
4th, well-flushing.Oil jacket annular space is intake, and produces choke pressure drop, now, water injection valve after tubing string tail end flushing valve
External pressure is higher than intrinsic pressure, makes valve ball and valve seat be in sealing state, water bypasses passageway bridge and realizes circulation well cleanup.
The foregoing is only presently preferred embodiments of the present invention, be not used to limit the scope of the claims of the present invention, other use this
The equivalence changes of bright patent spirit, all should all belong to the scope of the claims of the present invention.
Claims (5)
1. one kind no throttles one way entrapped water valve, it is characterized in that, including bridge-type main body, valve ball, valve seat, described bridge-type main body includes inner core and the outer tube of integral structure, wherein inner core is an inverted U-shaped structure only having lower ending opening, and between outer tube and inner core is the passage of up/down perforation, installs valve seat in the bottom of inner core, the interior warp of described valve seat is less than the diameter of the valve ball being positioned in inner core, and described inner core opens up the through hole of radial direction insertion for the passage connecting between interior tube inner chamber and inner/outer tube.
2. it is characterised in that the bottom connecting short section of described inner core, pipe nipple lower end connects spacing ring, valve seat installation and spacing ring inwall to a kind of no throttling one way entrapped water valve according to claim 1.
3. a kind of no throttling one way entrapped water valve according to claim 2 is it is characterised in that described spacing ring inwall opens up for placing the annular table that valve seat comes off downwards.
4. one kind according to claim 1 no throttles one way entrapped water valve it is characterised in that described interior tube inner chamber top surface is sphere, and the through hole in the distance tube inner chamber top surface that inner core opens up radial direction insertion is greater than valve ball diameter.
5. one kind according to claim 1 no throttles one way entrapped water valve it is characterised in that described outer tube upper end connects top connection, and lower end then connects lower contact, is that the passage of up/down perforation is respectively communicated with top connection inner chamber and lower contact inner chamber between outer tube and inner core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510521954.1A CN106468155A (en) | 2015-08-21 | 2015-08-21 | One kind no throttles one way entrapped water valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510521954.1A CN106468155A (en) | 2015-08-21 | 2015-08-21 | One kind no throttles one way entrapped water valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106468155A true CN106468155A (en) | 2017-03-01 |
Family
ID=58229443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510521954.1A Pending CN106468155A (en) | 2015-08-21 | 2015-08-21 | One kind no throttles one way entrapped water valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106468155A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180000A (en) * | 2017-12-29 | 2018-06-19 | 中国石油大学(华东) | A kind of anti-return automatically controlled spits one way entrapped water valve |
| CN114482951A (en) * | 2020-10-27 | 2022-05-13 | 中国石油天然气股份有限公司 | Pressure-increasing water injection pipe column |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0783075A2 (en) * | 1996-01-02 | 1997-07-09 | Texaco Development Corporation | Method and apparatus for producing hydrocarbons |
| CN1450245A (en) * | 2003-04-21 | 2003-10-22 | 东营拓普信息产业有限公司 | Single-current valve for battom of water injection string and use method thereof |
| RU2363835C1 (en) * | 2008-03-14 | 2009-08-10 | Олег Марсович Гарипов | Valve facility of garipov for well operation |
| CN202325449U (en) * | 2011-11-25 | 2012-07-11 | 西南石油大学 | Water injecting valve for electric pump well |
| CN202628032U (en) * | 2012-05-08 | 2012-12-26 | 北京佰文恒新能源服务有限公司 | Oil sleeve annulus injection valve |
-
2015
- 2015-08-21 CN CN201510521954.1A patent/CN106468155A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0783075A2 (en) * | 1996-01-02 | 1997-07-09 | Texaco Development Corporation | Method and apparatus for producing hydrocarbons |
| CN1450245A (en) * | 2003-04-21 | 2003-10-22 | 东营拓普信息产业有限公司 | Single-current valve for battom of water injection string and use method thereof |
| RU2363835C1 (en) * | 2008-03-14 | 2009-08-10 | Олег Марсович Гарипов | Valve facility of garipov for well operation |
| CN202325449U (en) * | 2011-11-25 | 2012-07-11 | 西南石油大学 | Water injecting valve for electric pump well |
| CN202628032U (en) * | 2012-05-08 | 2012-12-26 | 北京佰文恒新能源服务有限公司 | Oil sleeve annulus injection valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180000A (en) * | 2017-12-29 | 2018-06-19 | 中国石油大学(华东) | A kind of anti-return automatically controlled spits one way entrapped water valve |
| CN114482951A (en) * | 2020-10-27 | 2022-05-13 | 中国石油天然气股份有限公司 | Pressure-increasing water injection pipe column |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1934333B (en) | Method of injecting lift gas into a production tubing of an oil well and gas lift flow control device for use in the mehtod | |
| US8080157B2 (en) | Downhole gravitational water separator | |
| MX2014000947A (en) | System and method for production of reservoir fluids. | |
| CN203081411U (en) | Antiseptic, anti-scale and gas-lift integral completion pipe string | |
| CN103443396A (en) | Check valve assembly for well stimulation operations | |
| CN101956540B (en) | Novel drill rod valve | |
| CN106468155A (en) | One kind no throttles one way entrapped water valve | |
| US2678605A (en) | Gas-lift apparatus for producing multiple zone wells | |
| CN108071365A (en) | A kind of coal bed gas gas production, draining and water injection integral pipe column | |
| CN105089556A (en) | Adjustable slicing mining valve | |
| CN205172486U (en) | Level pressure well washing device | |
| CN202381040U (en) | Differential pressure type circulating throttle valve | |
| CN208950557U (en) | A kind of oil well reverse-filling tubing string | |
| US4460048A (en) | Pump through equalizing check valve for use in intermittent gas lift well | |
| CN106285620A (en) | High gas-oil ratio (HGOR) oil well gas-liquid piece-rate system | |
| CN107605430B (en) | A kind of well cementation anti-return self balancing device | |
| CN108343408A (en) | Water drive gas reservoir recovery method | |
| CN207177859U (en) | A kind of injection well downhole flow regulator of the two-tube dispensing Operating Pressure of routine | |
| US2029457A (en) | Apparatus for flowing wells | |
| CN205135577U (en) | Coiled tubing is gas injection instrument for gas lift | |
| CN114607289A (en) | Electric pump and jet pump combined lifting process pipe column suitable for high sand content and using method thereof | |
| CN103867161B (en) | A kind of steam injection plugging valve | |
| CN203547658U (en) | Isolating valve | |
| CN209228347U (en) | Downhole measurement adjusting integration water injection string | |
| CN107743540A (en) | For unloading the downhole system of liquid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170301 |