CN107143305A - A kind of shaft bottom self-operated flow regulator - Google Patents
A kind of shaft bottom self-operated flow regulator Download PDFInfo
- Publication number
- CN107143305A CN107143305A CN201710504855.1A CN201710504855A CN107143305A CN 107143305 A CN107143305 A CN 107143305A CN 201710504855 A CN201710504855 A CN 201710504855A CN 107143305 A CN107143305 A CN 107143305A
- Authority
- CN
- China
- Prior art keywords
- fluid
- pressure
- flow
- spin chamber
- pressure plate
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0413—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded in the form of closure plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
Abstract
The invention discloses a kind of shaft bottom self-operated flow control valve, it includes the valve body with eccentric eddy flow chamber inlet (101) and spin chamber outlet (103).Fluid enters after spin chamber (102), rotates, and eddy flow surface pressure is P1, it is P that pressure plate (2), which intercepts spin chamber (102) rotary fluid pressure,2, and pressure is P before fluid enters control valve3.Because process fluid flow has the pressure loss, P3>P2、P3>P1；Theoretical, the P according to eddy flow2>P1, synthesis is：P3>P2>P1.Movable link is in pressure difference △ P in control valvea=P3‑P1(△Pb=P2‑P1Or △ Pc=P3‑P2) move downward under driving, different viscosities fluid can produce different pressure difference △ Pa(△PbOr △ Pc).It can make by the fluid of control valve when being gas and water, flow is greatly reduced；When by the fluid of control valve being crude oil, flow is basically unchanged.The undesirable fluid of control is finally reached, slows down its large area break through, extends the oil well life-span, improve field output and the purpose of oil recovery factor.
Description
Technical field
The present invention relates to the regulating valve that oil pipe is controlled fluid flow into oil field.Eddy flow is based on more particularly, to a series of
Theory, the flow control valve for improving oil field control water and control gas effect.The serial regulating valve can at least be used for well of improving the standard
Water, gas control ability.
Background technology
Field operations personnel take a series of arrange to obtain more crude outputs and bigger oil recovery factor
Apply and increased production.For example：Horizontal wells are developed into stratum Implantation Energy (water filling, gas injection), or by the straight well exploitation at initial stage,
Multi-branched horizontal well, cluster well exploitation to the later stage etc..These measures are let out by slowing down strata pressure decrease speed, increase payzone
Pasta is accumulated, and can be increased well oil output to a certain extent and be improved oil recovery factor.But this also makes more original ask
Topic is more serious, such as water, gas form water cone, gas coning earlier, and oil reservoir is broken through earlier, cause waterflood or gas to flood.Horizontal well
Section producing pressure differential is uneven, uneven easily cause in horizontal well of Permeability Distribution has serious imperfect flow section, and this is not
Uniform Flow section is then to aggravate the main cause that water logging, gas flood.
Therefore, in eddy flow theoretical foundation, devising a kind of shaft bottom self-operated flow regulator, the regulating valve is with movable
Component, can preferably control reservoir fluid to flow into flow string, extend the oil well life-span, improve crude output and recovery ratio.
The content of the invention
The present invention provides a kind of shaft bottom self-operated flow regulator, and the regulating valve can postpone oil well water breakthrough, gas breakthrough time,
After weakening toe with effect, and the breakthrough of water, gas, regulating valve can continue to work, effectively further control undesirable fluid, not the phase
Hope fluid depending on oil reservoir concrete condition, can be water, can also be gas.
In one embodiment, a kind of shaft bottom self-operated flow regulator, it is characterised in that it includes：Valve body (1a), take
Pressing plate (2a), package (3), the part of removable cover (4a) four.Valve body (1a) is provided with eccentric eddy flow chamber inlet (101), spin chamber and gone out
Mouth (103), eccentric eddy flow chamber inlet (101) makes fluid tangentially flow into spin chamber (102) along valve body (1a) inwall, and in spin chamber
(102) rotated in；Pressure plate (2a) is fixed on valve body (1a), is provided with pressure guide hole (201) in pressure plate (2a) center, is led
Pressure hole (201) is used to obtain spin chamber (102) fluid pressure, and the pressure produces upward thrust to removable cover (4a)；Package
(3) it is used to connect valve body (1a) and removable cover (4a), and elastic force is provided to removable cover (4a).
Removable cover (4a) upper surface by the downward active force of reservoir fluid, during removable cover (4a) unbalance stress can on
Lower motion, during moving downward, can block eccentric eddy flow chamber inlet (101), reduce fluid flow.
In another embodiment, a kind of shaft bottom self-operated flow regulator, it is characterised in that it includes：Valve body (1b),
Pressure plate (2b), package (3), the part of removable cover (4b) four.Valve body (1b) is provided with eccentric eddy flow chamber inlet (101), spin chamber
Export (103), eccentric eddy flow chamber inlet (101) makes fluid tangentially flow into spin chamber (102) along valve body (1b) inwall, and in eddy flow
Rotated in room (102)；Pressure plate (2b) is fixed on valve body (1b), and is provided with pressure guide hole in pressure plate (2b) center
(201), pressure guide hole (201) is used to obtain spin chamber (102) fluid pressure, and the pressure produces upward push away to removable cover (4b)
Power；Package (3) is used to connect valve body (1b) and removable cover (4b), and provides elastic force to removable cover (4b)；Removable cover (4b) following table
The closure element (401a) that face is installed can follow removable cover (4b) to move up and down together.
Removable cover (4b) upper surface it is similarly subjected to the downward active force of reservoir fluid, its upper and lower surface unbalance stress
When can produce up and down motion.
Closure element (401a) lower end is cone, spin chamber outlet (103) is blocked when moving downward, and make fluid
Flow reduces.
In further embodiment, a kind of shaft bottom self-operated flow regulator, it is characterised in that it includes：Valve body (1c),
Pressure plate (2c), sealing ring (203), the part of spring (301) four.Valve body (1c) is provided with eccentric eddy flow chamber inlet (101), eddy flow
Room exports (103), and fluid passes through eccentric eddy flow chamber inlet (101) and the eccentric entrance of pressure plate (2c) to enter spin chamber (102), and
Rotated in spin chamber (102)；Pressure plate (2c) is located at valve inner, can move up and down, in pressure plate (2c) center
Provided between pressure guide hole (201), and pressure plate (2c) and valve body (1c) by sealing ring (203) seal；Distinguish at spring (301) two ends
It is connected on valve body (1c) top lower surface and pressure plate (2c) upper surface.
The eccentric entrance of the pressure plate (2c) before eccentric eddy flow chamber inlet (101) work with just aliging, and pressure plate (2c) exists
During up and down motion, its eccentric entrance reduces with eccentric eddy flow chamber inlet (101) degree of registration, so that fluid flow reduces.
The spring (301) can make pressure plate (2c) only move up and down, without rotating.
In further embodiment, a kind of shaft bottom self-operated flow regulator, it is characterised in that it includes：Valve body (1d),
Pressure plate (2d), sealing ring (203), the part of spring (301) four.Valve body (1d) is provided with eccentric eddy flow chamber inlet (101), eddy flow
Room exports (103), and eccentric eddy flow chamber inlet (101) makes fluid tangentially flow into spin chamber (102) along valve body (1d) inwall, and in rotation
Rotated in flow chamber (102)；Pressure plate (2d) is located at valve inner, can move up and down, and its center is provided with pressure guide hole
(201) closure element (401b), installed in the middle of pressure guide hole (201) can follow pressure plate (2d) to move up and down together, and take
Sealed between pressing plate (2d) and valve body (1d) by sealing ring (203)；Spring (301) two ends are connected on valve body (1d) top following table respectively
Face and pressure plate (2d) upper surface.
The closure element (401b) not exclusively blocks pressure guide hole (201), can allow for fluid and passes through pressure guide hole (201).
Closure element (401b) lower end is in inverted cone, closure spin chamber outlet (103) during motion upwards, and then is made
Fluid flow reduces.
In further embodiment, a kind of shaft bottom self-operated flow regulator, it is characterised in that it includes：Valve body (1e),
Pressure plate (2e), the part of elastic film (5) three.Valve body (1e) is provided with eccentric eddy flow chamber inlet (101), spin chamber outlet
(103), eccentric eddy flow chamber inlet (101) makes fluid tangentially flow into spin chamber (102) along valve body (1e), and in spin chamber (102)
Interior rotation；Pressure plate (2e) is located above valve body (1e), and pressure guide hole (201) is provided with pressure plate (2e) center；Cavity
(202) separated between spin chamber (102) by elastic film (5).
The elastic film (5) can be swung up and down, and (103) are exported to that can block spin chamber during lower swing.
When the present invention is using fluid behaviour (such as viscosity) change, fluid can produce different pressure, root in spin chamber (102)
Movable link is driven to move according to different pressure.
Advantage for present invention：Can be according to regulating valve fluid velocity inside automatic identification fluid type be flowed into, when logical
Overregulate valve is that movable link is moved when not expecting fluid, closes eccentric eddy flow chamber inlet (101) or spin chamber outlet
(103) undesirable fluid flow, is reduced；When by expecting fluid, movable link motion is faint, to eccentric eddy flow chamber inlet
(101) do not influenceed with spin chamber outlet (103), it is expected that fluid flow is reduced fainter.
Brief description of the drawings
Fig. 1 is the complete eddy flow schematic diagram of fluid.
Schematic diagram is sectioned when Fig. 2 is fluid eddy flow.
Fig. 3 is a kind of first embodiment profile of shaft bottom self-operated flow regulator of the invention.
Fig. 4 is a kind of second embodiment profile of shaft bottom self-operated flow regulator of the invention.
Fig. 5 is a kind of the 3rd embodiment profile of shaft bottom self-operated flow regulator of the invention.
Fig. 6 is a kind of the 4th embodiment profile of shaft bottom self-operated flow regulator of the invention.
Fig. 7 is a kind of the 5th embodiment profile of shaft bottom self-operated flow regulator of the invention.
Embodiment
With reference to each accompanying drawing, the invention will be further described.
Reservoir fluid pressure P3The pressure that fluid is introduced into before spin chamber (102), act on removable cover (4a, 4b) or
Elastic film (5) upper surface, direction is downward.Eddy flow surface pressure P1When being that fluid enters the rotation of spin chamber (102) high speed, the surfaces of revolution
Pressure, as shown in Figure 1.Swirling fluid sectional pressure P2Pressure plate (2a-1) along any level face section swirling fluid when
Pressure, as shown in Figure 2.Fluid has the pressure loss by eccentric eddy flow chamber inlet (101), so P3More than P2、P1, and according to
Eddy flow is theoretical, P2More than P1, synthesis is：P3>P2>P1。
Fig. 3 is the first embodiment schematic diagram of the present invention.A kind of shaft bottom self-operated flow regulator, it includes：Valve
Body (1a), pressure plate (2a), package (3), the part of removable cover (4a) four.Fluid is from eccentric eddy flow chamber inlet (101) along valve body
(1a) inwall tangentially enters after spin chamber (102), rotates spin chamber (102) are inner, eddy flow surface pressure P1By pressure guide hole
(201) it is transferred in cavity (202), and acts on removable cover (4a) lower surface, and reservoir fluid P3Act on removable cover (4a)
Upper surface, (103) discharge can be exported in spin chamber (102) postrotational fluid through spin chamber.Package (3) is used to connect valve body
(1a) and removable cover (4a), while preventing that fluid is directly entered cavity (202) without spin chamber (102), also to removable cover
(4a) provides elastic force.Removable cover (4a) is in upward elastic force, upward pressure P1, downward pressure P3, downward four kinds of works of gravity
It can be moved up and down under firmly.When fluid is the larger crude oil of viscosity, P1It is larger, pressure difference △ Pa=P3-P1It is smaller, activity
It is small that lid (4a) moves downward displacement, and eccentric eddy flow chamber inlet (101) is not blocked, oil flow is not influenceed；When fluid is viscosity
When less water or gas, P1It is smaller, pressure difference △ Pa=P3-P1Larger, removable cover (4a) moves downward larger, and blocks spin chamber
Entrance (101), reduces water, throughput.
Fig. 4 is second of embodiment schematic diagram of the present invention.A kind of shaft bottom self-operated flow regulator, it includes：Valve
Body (1b), pressure plate (2b), package (3), the part of removable cover (4b) four.Fluid is from eccentric eddy flow chamber inlet (101) along valve body
(1b) inwall tangentially enters after spin chamber (102), rotates spin chamber (102) are inner, eddy flow surface pressure P1By pressure guide hole
(201) it is transferred in cavity (202), and acts on removable cover (4b) lower surface, and reservoir fluid pressure P3Act on removable cover
(4b) upper surface, (103) discharge can be exported in spin chamber (102) postrotational fluid through spin chamber.Package (3) is used for connection valve
Body (1b) and removable cover (4b), while preventing that fluid is directly entered cavity (202) without spin chamber (102), also to activity
Cover (4b) and elastic force is provided.Removable cover (4b) lower surface is provided with closure element (401a), and it reaches eddy flow through pressure guide hole (201)
Room (102), lower end is in cone, it is possible to follow removable cover (4b) to move up and down.Removable cover (4b) upward elastic force, upwards
Pressure P1, downward pressure P3, can occur to transport up and down under downward gravity and closure element (401a) gravity multi-acting force
It is dynamic.When fluid is the larger crude oil of viscosity, P1It is larger, pressure difference △ Pa=P3-P1Smaller, closure element (401a) follows activity
It is small that lid (4b) moves downward displacement, and spin chamber outlet (103) is not blocked, oil flow is not influenceed；When fluid is that viscosity is smaller
Water or gas when, P1It is smaller, pressure difference △ Pa=P3-P1It is larger that larger closure element (401a) follows removable cover (4b) to move downward,
And spin chamber outlet (103) is blocked, reduce water, throughput.
Fig. 5 is the third embodiment schematic diagram of the present invention.A kind of shaft bottom self-operated flow regulator, it includes：Valve
Body (1c), pressure plate (2c), sealing ring (203), the part of spring (301) four.Fluid is from eccentric eddy flow chamber inlet (101) and pressure
Plate (2c) bias entrance enters after spin chamber (102), rotates spin chamber (102) are inner, swirling fluid sectional pressure P2Make
Used in pressure plate (2c) lower surface, direction is upward, and eddy flow surface pressure P1It is inner that cavity (202) is transferred to by pressure guide hole (201),
And pressure plate (2c) upper surface is acted on, downwards, in spin chamber (102), postrotational fluid can be exported through spin chamber in direction
(103) discharge.Sealing ring (203) is arranged on the outside of pressure plate (2c), prevents spin chamber (102) interior fluid along valve body (1c) inwall
In into cavity (202).Spring (301) two ends are connected on valve body (1c) top lower surface and pressure plate (2c) upper surface respectively, remove
Downward elastic force can be produced to pressure plate (2c), moreover it is possible to prevent the pressure plate (2c) from rotating dislocation.Pressure plate (2c) exists
Upward pressure P2, downward elastic force, downward pressure P1, can move up and down under downward gravity multi-acting force, work as stream
When body is viscosity larger crude oil, the P of pressure plate (2c) lower surface is acted on2It is smaller, and P1Will not be too small, pressure difference △ Pb=P2-
P1Smaller, moving displacement is small upwards for pressure plate (2c), and eccentric eddy flow chamber inlet (101) and eccentric entrance degree of registration are high, do not influence
Oil flow；When fluid is the less water of viscosity or gas, the P of pressure plate (2c) lower surface is acted on2It is larger, and P1It is smaller, pressure
Poor △ Pb=P2-P1Larger, moving displacement is big upwards for pressure plate (2c), eccentric eddy flow chamber inlet (101) and eccentric entrance degree of registration
Reduction, water, throughput reduce.
Fig. 6 is the 4th kind of embodiment schematic diagram of the invention.A kind of shaft bottom self-operated flow regulator, it includes：Valve body
(1d), pressure plate (2d), sealing ring (203), the part of spring (301) four.Fluid is from eccentric eddy flow chamber inlet (101) along valve body
(1d) tangentially enters after spin chamber (102), rotates spin chamber (102) are inner, swirling fluid sectional pressure P2Act on and take
Pressing plate (2d) lower surface, direction is upward, and eddy flow surface pressure P1Cavity (202) is transferred to by pressure guide hole (201) inner, and act on
In pressure plate (2d) upper surface, (103) discharge can be exported through spin chamber in spin chamber (102) postrotational fluid.Sealing ring
(203) it is arranged on the outside of pressure plate (2d), prevents spin chamber (102) interior fluid from entering along valve body (1d) inwall in cavity (202).
Spring (301) two ends are connected on valve body (1d) top lower surface and pressure plate (2d) upper surface respectively, and can be to pressure plate (2d)
Produce downward elastic force.Closure element (401b) is arranged on pressure plate (2d) lower surface, and its lower end is located at eddy flow in inverted cone
Below room outlet (103), it is possible to follow pressure plate (2d) to move up and down.Pressure plate (2d) is in the P that upwards pressure2, it is downward
Elastic force, downward pressure P1, can move up and down under downward gravity and closure element (401b) gravity multi-acting force, when
When fluid is viscosity larger crude oil, the P of pressure plate (2d) lower surface is acted on2It is smaller, and P1Also will not be too small, pressure difference △ Pb
=P2-P1Smaller, closure element (401b) follows pressure plate (2d), and moving displacement is small upwards, and spin chamber outlet (103) is not blocked,
Smaller is influenceed on oil flow；When fluid is the less water of viscosity or gas, the P of pressure plate (2d) lower surface is acted on2Become big,
And P1Reduce, pressure difference △ Pb=P2-P1Larger, it is larger that closure element (401b) follows pressure plate (2d) to move upwards, and blocks rotation
Flow chamber outlet port (103), reduces water, throughput.
Fig. 7 is the 5th kind of embodiment schematic diagram of the invention.A kind of shaft bottom self-operated flow regulator, it includes：Valve body
(1e), pressure plate (2e), the part of elastic film (5) three.Fluid is cut from eccentric eddy flow chamber inlet (101) along valve body (1e) inwall
To entering after spin chamber (102), rotate spin chamber (102) are inner, swirling fluid sectional pressure P2Act on elastic film
(5) lower surface, direction upwards, (103) discharge can be exported in spin chamber (102) postrotational fluid through spin chamber.Pressure plate
(2e) is covered above valve body (1e), and its center is provided with pressure guide hole (201), reservoir fluid pressure P3By pressure guide hole (201)
Cavity (202) is imported, is acted on elastic film (5), direction is downward.Elastic film (5) is in the P that upwards pressure2, downward pressure
Power P3Under two kinds of active forces, it may occur that swing up and down, when fluid is the larger crude oil of viscosity, P2It is larger, pressure difference △ Pc=P3-P2
Smaller, elastic film (5) is smaller to lower swing, and spin chamber outlet (103) is not blocked；When fluid is the less water of viscosity or gas
When, P2It is smaller, pressure difference △ Pc=P3-P2Larger, elastic film (5) is larger to lower swing, closure spin chamber outlet (103), makes
Water, throughput reduce.
Claims (9)
1. a kind of shaft bottom self-operated flow regulator, it includes：Valve body (1a-1), pressure plate (2a-1)；The valve body (1a-1)
Provided with eccentric eddy flow chamber inlet (101), spin chamber outlet (103), it is respectively used to flow into fluid, flows out spin chamber (102)；Institute
Stating spin chamber (102) is used to provide eddy flow place for fluid, and the pressure plate (2a-1) is used to obtain rotation provided with pressure guide hole (201)
Flow chamber (102) eddy flow surface pressure P1。
2. a kind of shaft bottom self-operated flow regulator according to claim 1, it is characterised in that：At least include a bias
Eddy flow chamber inlet (101) makes fluid tangentially enter spin chamber (102) along valve body (1a-1) inwall.
3. a shaft bottom self-operated flow regulator according to claim 1, further comprises package (3), removable cover
(4a)；The package (3) is used to prevent fluid to be directly entered cavity (202) without spin chamber (102) and carry removable cover (4a)
The elastic force fed to；Reservoir fluid pressure P3Act on removable cover (4a) upper surface and constant, eddy flow surface pressure P1Act on activity
Cover (4a) lower surface and reach minimum when spin chamber (102) fluid is water, gas, the pressure difference △ P that now removable cover (4a) is subject toa
=P3-P1It is very big, while removable cover (4a) is very big to bottom offset；If spin chamber (102) fluid is oil, removable cover (4a) is subject to
Pressure difference △ Pa=P3-P1Very little, removable cover (4a) is to bottom offset very little.
4. removable cover (4a) according to claim 3, it is characterised in that removable cover (4a) determines that its hides to the size of bottom offset
Eccentric eddy flow chamber inlet (101) degree of gear, it is final to determine that fluid flow reduces degree.
5. a shaft bottom self-operated flow regulator according to claim 1, it is characterised in that removable cover (4b) includes closing
Component (401a) is closed, closure element (401a) lower end is cone, when moving downward, spin chamber outlet (103) can be blocked,
Reduce fluid flow.
6. a shaft bottom self-operated flow regulator according to claim 1, wherein, pressure plate (2c) is in valve body (1c)
Portion can simultaneously move up and down；The pressure plate (2c) is provided with eccentric entrance, just right with eccentric eddy flow chamber inlet (101) before work
Together；Spin chamber (102) inward eddy fluid cross-section pressure P2Act on pressure plate (2c) lower surface, eddy flow surface pressure P1Act on and take
Pressing plate (2c) upper surface；Pressure plate (2c) is in pressure difference △ Pb=P2-P1With the lower motion of spring (301) elastic force effect, work as spin chamber
(102) when fluid is water, gas, pressure difference △ PbLarger, moving displacement is also bigger upwards for pressure plate (2c), and pressure plate (2c) bias enters
Mouth reduces with eccentric eddy flow chamber inlet (101) degree of registration, reduces water, throughput；When spin chamber (102) fluid is oil, pressure
Poor △ PbSmaller, moving displacement is small upwards for pressure plate (2c), smaller to oily flow effect.
7. a kind of shaft bottom self-operated flow regulator according to claim 6, it is characterised in that pressure plate (2c) and valve body
Sealed between (1c) by sealing ring (203), spring (301) two ends are connected on valve body (1c) top lower surface and pressure plate respectively
(2c) upper surface；The sealing ring (203) is while preventing fluid to be directly entered cavity (202) along valve body (1c) inwall, also
It can guarantee that pressure plate (2c) moves up and down；The spring (301) can also make to take while elastic force is provided to pressure plate (2c)
Pressing plate (2c) does not deflect.
8. a shaft bottom self-operated flow regulator according to claim 1, it is characterised in that pressure plate (2d) includes closing
Component (401b) is closed, closure element (401b) lower end is inverted cone, in upward motion, can block spin chamber outlet
(103) fluid flow, is reduced.
9. a shaft bottom self-operated flow regulator according to claim 1, it is characterised in that herein on pressure plate (2e)
Pressure guide hole (201) is used for reservoir fluid pressure P3Import cavity (202) and act on elastic film (5) upper surface, and eddy flow
Fluid cross-section pressure P2Elastic film (5) lower surface can be acted on；The elastic film (5) is in pressure difference △ Pc=P3-P2Under effect
Motion, when spin chamber (102) fluid is water, gas, pressure difference △ PcLarger, elastic film (5) is advanced downwardly and larger can blocked
Spin chamber exports (103), reduction water, throughput；When spin chamber (102) fluid is oil, pressure difference △ PcIt is smaller, to the flow of oil
Influence is smaller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710504855.1A CN107143305B (en) | 2017-06-28 | 2017-06-28 | A kind of shaft bottom self-operated flow regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710504855.1A CN107143305B (en) | 2017-06-28 | 2017-06-28 | A kind of shaft bottom self-operated flow regulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107143305A true CN107143305A (en) | 2017-09-08 |
| CN107143305B CN107143305B (en) | 2019-12-03 |
Family
ID=59785793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710504855.1A Expired - Fee Related CN107143305B (en) | 2017-06-28 | 2017-06-28 | A kind of shaft bottom self-operated flow regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107143305B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685654A (en) * | 2019-10-29 | 2020-01-14 | 中国石油化工股份有限公司 | Small-diameter intelligent injection allocation device and use method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201434117Y (en) * | 2009-02-26 | 2010-03-31 | 德威华泰（北京）科技有限公司 | Whirl valve capable of controlling flow automatically |
| CN105650312A (en) * | 2016-03-11 | 2016-06-08 | 西南石油大学 | Novel automatic water control valve for horizontal wells |
| US20170045149A1 (en) * | 2015-08-11 | 2017-02-16 | Ge Aviation Systems Llc | Air pressure regulator |
-
2017
- 2017-06-28 CN CN201710504855.1A patent/CN107143305B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201434117Y (en) * | 2009-02-26 | 2010-03-31 | 德威华泰（北京）科技有限公司 | Whirl valve capable of controlling flow automatically |
| US20170045149A1 (en) * | 2015-08-11 | 2017-02-16 | Ge Aviation Systems Llc | Air pressure regulator |
| CN105650312A (en) * | 2016-03-11 | 2016-06-08 | 西南石油大学 | Novel automatic water control valve for horizontal wells |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685654A (en) * | 2019-10-29 | 2020-01-14 | 中国石油化工股份有限公司 | Small-diameter intelligent injection allocation device and use method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107143305B (en) | 2019-12-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105952418B (en) | It is a kind of for reservoir reconstruction, production monitoring and the Intellectual valve of control and its construction method | |
| US11506033B2 (en) | Oil extraction and gas production method capable of in-situ sand control and removal by downhole hydraulic lift | |
| CN106930710B (en) | Counterflush drilling method | |
| CN109723409B (en) | Underground gas-liquid separation lifting process pipe column | |
| WO2019071933A1 (en) | Silty marine gas hydrate gravel stimulation exploitation method and device | |
| CN207348834U (en) | One kind extracts and the compound gas production system of foaming water discharge | |
| CN209293772U (en) | A kind of fluid regulation device | |
| CN106522892A (en) | Hydraulic throwing-in and pulling type sand-draining coal dust-draining gas production device and method | |
| WO2008143522A1 (en) | Gas valve and production tubing with a gas valve | |
| CN108756847A (en) | Water-oil separating single fighter double pump injection and extraction system before a kind of pump | |
| CN107143305A (en) | A kind of shaft bottom self-operated flow regulator | |
| US6056054A (en) | Method and system for separating and injecting water in a wellbore | |
| CN207048760U (en) | A kind of ball-throwing type full-bore fracturing sliding bush | |
| CN109138939B (en) | Spiral-flow type inflow control valve | |
| EP1485573B1 (en) | Gas turbine for oil lifting | |
| CN108434787B (en) | Tubular oil-water separation device | |
| CN206249778U (en) | A kind of straight well-horizontal well SAGD draining principle test devices | |
| CN204703840U (en) | Slotted pipe completion is with exempting to bore plug stage cementing device | |
| CN105781494A (en) | Liquid colloid plunger gas lifting drainage gas recovery method | |
| CN202348240U (en) | Gravel filling water control and sand prevention integrated device | |
| CN206111160U (en) | Eccentric orfice revolves automatic ball injector system of piece formula | |
| CN206190269U (en) | Full -automatic recycle equipment | |
| CN108533234A (en) | Horizontal well fixed tubular column sublevel fill stoping and kit | |
| CN103867181B (en) | The method for carrying out sectional flow control using excluder ring is partly oozed | |
| CN106930703B (en) | Reverse circulating drilling tool encapsulating method |
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 | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Haitao Inventor after: Cui Xiaojiang Inventor after: Liu Yigang Inventor after: Wang Nan Inventor after: Zhang Jianfeng Inventor after: Luo Hongwen Inventor after: Liu Chang Inventor after: Tang Mingdeng Inventor before: Li Haitao Inventor before: Cui Xiaojiang Inventor before: Zhang Jianfeng Inventor before: Luo Hongwen Inventor before: Liu Chang Inventor before: Tang Mingdeng |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200526 Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: SOUTHWEST PETROLEUM University Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee after: CNOOC TIANJIN BRANCH Address before: No. 8 Road, Xindu Xindu District of Chengdu city of Sichuan Province in 610500 Patentee before: SOUTHWEST PETROLEUM University |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191203 Termination date: 20210628 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |