CN110374558A - A kind of volume control device and method - Google Patents
A kind of volume control device and method Download PDFInfo
- Publication number
- CN110374558A CN110374558A CN201810325282.0A CN201810325282A CN110374558A CN 110374558 A CN110374558 A CN 110374558A CN 201810325282 A CN201810325282 A CN 201810325282A CN 110374558 A CN110374558 A CN 110374558A
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- valve body
- fluid
- floating disc
- control device
- volume control
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- 238000000034 method Methods 0.000 title claims description 12
- 239000012530 fluid Substances 0.000 claims abstract description 140
- 230000008859 change Effects 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 25
- 238000011084 recovery Methods 0.000 abstract description 8
- 239000003129 oil well Substances 0.000 abstract description 4
- 239000003208 petroleum Substances 0.000 abstract 1
- 235000019198 oils Nutrition 0.000 description 14
- 230000000694 effects Effects 0.000 description 11
- 230000006872 improvement Effects 0.000 description 9
- 235000019476 oil-water mixture Nutrition 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000002401 inhibitory effect Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Sliding Valves (AREA)
Abstract
The present invention relates to a kind of volume control devices, are used for petroleum production art, including the first valve body, first valve body are provided with fluid inlet；The second valve body of first valve body is connected, several fluid outlets are set on second valve body；And the floating disc between first valve body and the second valve body is set；Wherein, the fluid channel for being connected to the fluid inlet and the fluid outlet is formed between first valve body and second valve body, the floating disc is constructed to be permeable to float in the fluid channel, to change the flow of fluid in fluid channel.The present invention can have intelligent control water, increase oily characteristic, can effectively solve the problems, such as oil well High water cut, improve oil recovery according to different fluid properties, adjust automatically runner size.
Description
Technical field
The present invention relates to a kind of volume control device and methods, fill in particular for water and oil control during oil exploitation
It sets.
Background technique
Currently, China's major part sandstone oil field integrally enters ultra-high water cut stage, remaining oil high degree of dispersion, the difficulty of extraction
Obvious to increase, the situation of steady oil control water is very severe.There are many problems, especially horizontal well later period controls for limited water control technique
Shipwreck degree is big, there are it is more serious cannot so as to cause net horizontal section there are inefficient section with end effect and unbalanced feed flow phenomenon
It effectively sufficiently employs, influences the recovery ratio in oil field.Existing inflow control device can delay water/gas to flow out, but due to its flowing resistance
Power grade (FRR) is constant, once water/gas cone occurs, the water/gas of low viscosity will occupy entire pit shaft, and inhibit the stream of oily phase
It is dynamic, it declines to a great extent so as to cause oil well output.
Summary of the invention
In view of the above-mentioned problems, the invention proposes a kind of volume control device, it can be according to different fluid properties, automatically
Runner size is adjusted, there is intelligent control water, increase oily characteristic, can effectively solve the problems, such as oil well High water cut, improve oil recovery.
According to an aspect of the present invention, it proposes a kind of volume control devices, comprising:
First valve body, first valve body are provided with fluid inlet；
The second valve body of first valve body is connected, several fluid outlets are set on second valve body；And
Floating disc between first valve body and the second valve body is set；
Wherein, it is formed between first valve body and second valve body and is connected to the fluid inlet and the fluid outlet
Fluid channel, the floating disc is constructed to be permeable to float in the fluid channel, to change fluid in fluid channel
Flow.
A further improvement of the present invention is that first valve body includes discoidal lid, and described for connecting
The side wall of the circular ring shape of second valve body；Wherein, the middle part of the lid is arranged the fluid inlet, and the fluid inlet is towards institute
The side setting for stating the second valve body flows into tube body.
A further improvement of the present invention is that second valve body includes circular bottom plate, the edge connection of the bottom plate
The side wall of first valve body；The fluid outlet is uniformly arranged a circle on the bottom plate.
A further improvement of the present invention is that supporting element is arranged in the middle part of the bottom plate, the floating disc is in the support
It floats between part and the inflow tube body.
A further improvement of the present invention is that ring baffle is arranged on second valve body, the ring baffle includes connecting
The circular column of the bottom plate is connect, several through-holes opposite with fluid outlet are set on the circular column；
The postive stop baffle of annular is set on the circular column, and the floating disc is arranged in the postive stop baffle and the support
Between part, the middle part for flowing into tube body and being located at the postive stop baffle.
A further improvement of the present invention is that the postive stop baffle towards bottom plate side and it is described flow into tube body end
It aligns.
A further improvement of the present invention is that the diameter of the floating disc is D1, the internal diameter of the circular column is D2, described
The internal diameter of postive stop baffle is D3, the floating distance of the floating disc is h, and above-mentioned parameter meets:
D3<D1, and
A further improvement of the present invention is that sealing element is arranged between the circular column and the bottom plate.
A further improvement of the present invention is that the inside setting and the ring baffle shape of the side wall of first valve body
The keyway to match, first valve body is by screw thread or is bolted the ring baffle and second valve body.
According to another aspect of the present invention, a kind of a kind of intelligence flow realized using above-mentioned volume control device is proposed
Amount control method, comprising:
After the low fluid of viscosity enters fluid inlet, fluid forms high velocity, low pressure between the first valve body and floating disc,
Fluid forms circulation in the flow channel, and is recycled to the floating pan bottom, provides for the floating disc towards first
The buoyancy of valve body reduces the gap of floating disc and first valve body, to reduce the flow of fluid entrance；
After the high fluid of viscosity enters fluid inlet, fluid forms low speed heavy pressure between the first valve body and floating disc,
Fluid generates the extruding force towards the second valve body to floating disc, increases the gap of floating disc and first valve body, to increase
The flow that big fluid enters.
Compared with the prior art, the advantages of the present invention are as follows:
Volume control device of the present invention and method can distinguish the fluid of different viscosities, and pass through viscosity difference
The characteristics of change the size of fluid channel, to achieve the effect that reduction or inhibit oil-water mixture, reduce or prevent grease mixed
It closes liquid and reaches pit shaft by device.Oil-water mixture moisture content is higher, and flow velocity is faster, and the aperture of floating disc is smaller, flows through this dress
The mixed liquor set into pit shaft is fewer, is more obvious to the oil-water mixture inhibitory effect of high-moisture percentage, and control water effect is more obvious.
When the present apparatus is applied to high-moisture block, can by most of water resistance every the quantum of output in the earth formation, improving other intervals,
To improve the recovery ratio of entire pit shaft.When gas cut occurs, since the viscosity of gas is lower, floating plate almost closes the first valve
Runner between body, floating disc and ring baffle inhibits gas to enter pit shaft.Therefore, the present apparatus have active control water or gas,
The effect for increasing oil, can greatly improve oil recovery.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the volume control device of an embodiment according to the present invention；
Fig. 2 is the first valve body structure schematic diagram of an embodiment according to the present invention, it is shown that the first valve body is set
It is equipped with the structure of one end of side wall；
Fig. 3 is the first valve body structure schematic diagram of an embodiment according to the present invention, it is shown that the first valve body is set
It is equipped with the structure of one end of lid；
Fig. 4 is the external structure schematic diagram of the volume control device of an embodiment according to the present invention, it is shown that the
The bottom structure of two valve bodies.
In the accompanying drawings, identical component uses identical appended drawing reference.The attached drawing is not drawn according to the actual ratio.
The meaning of each appended drawing reference is as follows in the accompanying drawings: 1, the first valve body, the 2, second valve body, 3, floating disc, 4, annular gear
Plate, 11, fluid inlet, 12, lid, 13, side wall, 14, inflow tube body, 21, fluid outlet, 22, bottom plate, 23, supporting element, 24,
Sealing element, 41, circular column, 42, postive stop baffle, 43, through-hole, 44, keyway.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 schematically shows volume control device according to an embodiment of the invention.Stream according to the present invention
Amount control device can have intelligent control water, increase oily characteristic according to different fluid properties, adjust automatically runner size, can
It effectively solves the problems, such as oil well High water cut, improves oil recovery.
As shown in Figure 1, volume control device described in the present embodiment, comprising: the first valve body 1, in first valve body 1
Fluid inlet 11 is arranged in portion；And the second valve body 2 of first valve body 1 is connected, several fluids are set on second valve body 2
Outlet 21.The present embodiment described device further includes floating disc 3, and the floating disc 3 is arranged in first valve body 1 and described second
Between valve body 2, and it can float between first valve body 1 and second valve body 2.Wherein, 1 He of the first valve body
Fluid channel is formed between second valve body 2, the fluid channel is connected to the fluid inlet 11 and the fluid outlet 21,
The floating disc 3 is constructed to be permeable to float to change the flow of fluid in fluid channel in the fluid channel.
When use is according to the present embodiment described device, high-moisture fluid mobility is strong, when into fluid inlet 11
Fast speed.In this way, fluid is fast in fluid channel flow velocity, formation is circulated, and is recycled to 3 bottom of floating disc, to floating
3 one upward power of disk, so that floating disc 3 be floated.The Distance Shortened of the 3 to the first valve body of floating disc 1, becomes fluid channel
It is narrow, to limit fluid inlet and outlet, achieve the purpose that limit high-moisture fluid.Water content is lower, oil content is higher
Fluid mobility is poor, viscosity is high.Floating disc 3 is squeezed in incoming fluid channel out of fluid inlet 11 to avale.Floating disc 3 is to
The distance of one valve body 1 increases, and so that fluid channel is broadened, so that fluid be made to can smoothly enter into and be discharged, plays the role of water and oil control.
In one embodiment, as shown in Figure 2 and Figure 3, first valve body 1 includes lid 12, and the lid 12 is disk
Shape, for connecting stratum.First valve body 1 further includes the side wall 13 of circular ring shape, and the side wall 13 is arranged in the lid 12
Side.The side wall 13 is for connecting second valve body 2.Wherein, fluid inlet 11 is arranged in the lid 12, and the fluid enters
Mouth 11 flows into tube body 14 towards the setting of the side of the second valve bodies 2.The annulus cotton is short to be arranged in the side wall 13, described in alignment
Floating disc 3.
In one embodiment, as Figure 1 and Figure 4, second valve body 2 includes circular bottom plate 22, the bottom plate 22
Upper several fluid outlets 21 of setting.The fluid outlet 21 is arranged in the bottom plate 22 and leans on the part of proximal edge, and is uniformly arranged
One circle.The edge of the bottom plate 22 connects the side wall 13 of first valve body 1.Preferably, in embodiment as shown in Figure 4, bottom
Eight fluid outlets 21 are set on plate 22.
According in the present embodiment described device, the fluid inlet 11 is in the middle part of first valve body 1, and described
The edge of second valve body 2 is arranged in fluid outlet 21.The fluid channel is formed from fluid inlet 11 to fluid outlet 21
Section is the channel of S-shaped.Fluid is flowed into from fluid inlet 11, is flowed around in fluid channel, finally from fluid outlet 21
Outflow.
In a preferred embodiment, as shown in Figure 1, supporting element 23, the floating disc 3 are arranged in the middle part of the bottom plate 22
It floats between the supporting element 23 and the inflow tube body 14.The supporting element 23 is opposite with the inflow tube body 14, is used for
Support the floating disc 3.In the supporting element 23, certain space is formed between the floating disc 3 and the bottom plate 22, this
A space is stagnant wake.
When use is according to the present embodiment described device, if the fluid flowed into is water content or the higher stream of air content
Body, then the viscosity of fluid is lower.Fluid is entered in fluid channel by fluid inlet 11, and at this moment side is (i.e. on floating disc 3
Towards the side of the first valve body 1) fluid forms high velocity, low pressure, and chamber generation is being stagnated to a lifting force of floating disc 3.The act
Lift moves floating disc 3 to 11 direction of fluid inlet, to cause between the inflow tube body 14 and floating disc 3 of the first valve body 1
Region reduce, i.e. the aperture of floating disc 3 becomes smaller.In this way, the runner between the first valve body 1 and floating disc 3 is caused to become smaller, fluid
Flow reduce, with achieve the effect that reduction or inhibit fluid outflow, thus reduce or prevent the fluid by runner reach stream
Body outlet 21.
When use is according to the present embodiment described device, if the fluid flowed into is water content or the lower stream of air content
Body, then the viscosity of fluid is higher.Fluid is entered in fluid channel by fluid inlet 11, at this moment an effluent on floating disc 3
Body forms low speed heavy pressure, so that floating disc 3 be made to receive biggish downward extruding force.In this way, causing the inflow pipe of the first valve body 1
Region between body 14 and floating disc 3 increases, i.e. the aperture of floating disc 3 becomes larger.So as to cause the first valve body 1 and floating disc 3 it
Between runner become larger, the flow of fluid increases, to increase passing through for high viscosity fluid, it is made smoothly to reach fluid outlet 21.
In one embodiment, ring baffle 4 is connected on second valve body 2, the ring baffle 4 connects described
13 inside of side wall of one valve body 1.The ring baffle 4 is arranged in the fluid channel, for limiting the shifting of the floating disc 3
Dynamic position.The ring baffle 4 includes the limit for connecting the circular column 41 of the bottom plate 22 and being arranged on the circular column 41
Position baffle 42.Several through-holes 43 opposite with the fluid outlet 21 are set on the circular column 41.Preferably, the limiting block
The side of plate 42 towards bottom plate 22 aligns with the inflow tube body 14, and the inflow tube body 14 extend into the postive stop baffle
42.The floating disc 3 is arranged between the postive stop baffle 42 and the supporting element 23.The end face of inflow tube body 14 and the limit
Position 42 lower part Xiang Ping of baffle is flowing between tube body 14 and the postive stop baffle 42 gap for forming annular.The floating disc 3 exists
It floats between second valve body 2, circular column 41 and postive stop baffle 42.In this way, fluid channel is included in the inflow tube body
Space in 14, the space between the postive stop baffle 42 and the floating disc 3, between postive stop baffle 42 and fluid tube body
Through-hole 43 on gap and circular column 41.The floating of floating disc 3 can change the postive stop baffle 42 and the floating disc 3
Between space size, to control fluid flow out.
In a preferred embodiment, the supporting element 23 is the component of annular, is set in the side of the supporting element 23
Set several holes for flow-through fluid.The middle part of ring-shaped component forms stagnant wake, and fluid through hole flows into stagnant wake and to float
Disk 3 provides upward power, to float floating disc 3.In another embodiment, the supporting element 23 includes several support columns
Body, the support cylinder are fixed on the bottom plate 22, and fluid flows into stagnant wake by the gap between support cylinder, and is institute
It states floating disc 3 and upward buoyancy is provided.
In the present embodiment, due to be arranged ring baffle 4, between stagnant wake and fluid outlet 21 by circular column 41 every
From fluid can only be flowed out from fluid course, and the fluid outlet 21 that the second valve body 2 cannot be directly reached from stagnant wake flows out.It improves
The leakproofness of the present embodiment, to improve the control effect to fluid.
In one embodiment, the diameter of the floating disc 3 is D1, the internal diameter of the circular column 41 is D2, the limiting block
The internal diameter of plate 42 is D3, the floating distance of the floating disc 3 is h, and above-mentioned parameter meets:
D3<D1, and
It can either guarantee that floating disc 3 can be move freely in this way, while guarantee floating disc 3 and the first valve body 1 and annular
It can be come into full contact between baffle 4, to guarantee the effect of control fluid.
In a preferred embodiment, sealing element 24 is set between the circular column 41 and the bottom plate 22.This implementation
Example can be further ensured that prevention fluid flows out between circular column 41 and bottom plate 22 by the way that sealing element 24 is arranged, and further increase
Leakproofness, to improve the control effect to fluid.
In one embodiment, the inside setting and the 4 shape phase of ring baffle of the side wall 13 of first valve body 1
Screw thread is arranged in a preferred embodiment in the keyway 44 matched in the keyway 44, and the ring baffle 4 and described
The screw thread to match is arranged in second valve body 2 weeks with it.First valve body 1 is connected through a screw thread ring baffle 4 and described second
Valve body 2.In another embodiment, it is respectively provided with corresponding screw hole in second valve body 2, ring baffle 4 and keyway 44,
First valve body 1, ring baffle 4 and the second valve body 2 is bolted.The mode for being bolted or being threadedly coupled is torn open
Dress is convenient, easy to repair or replacement components.
In a preferred embodiment, first valve body 1 passes through spline connection type and the ring baffle 4 and institute
The second valve body 2 is stated to be connected.The intensity of the present embodiment described device is improved in such a way that spline connects, torque resistant ability is strong.
According to another aspect of the present invention, a kind of smart flow control method, the present embodiment the method base are provided
It is realized in above-mentioned volume control device.
According to this method, after the low fluid of viscosity enters fluid inlet 11, since fluid viscosity is low, water content or gassiness
Amount is high, and the mobility of fluid is strong.High velocity, low pressure is formed between the first valve body 1 and floating disc 3, fluid is in the flow channel
Circulation is formed, and is recycled to 3 bottom of floating disc, the buoyancy of first valve body of direction 1 is provided for the floating disc 3, makes
The gap of floating disc 3 and first valve body 1 reduces, to reduce the flow of fluid inflow.
After the high fluid of viscosity enters fluid inlet 11, since fluid viscosity is high, water content or air content are low, fluid
Poor fluidity.Low speed heavy pressure is formed between the first valve body 1 and floating disc 3, fluid generates towards the second valve body 2 floating disc 3
Extruding force, increase the gap of floating disc 3 and first valve body 1, to increase the flow of fluid outflow.
By the way that the fluid of different viscosities, and the feature different by viscosity can be distinguished according to the present embodiment the method
Change the size of fluid channel, to achieve the effect that reduction or inhibit oil-water mixture, reduce or oil-water mixture is prevented to pass through
It crosses device and reaches pit shaft.Oil-water mixture moisture content is higher, and flow velocity is faster, and the aperture of floating disc 3 is smaller, flows through present apparatus entrance
The mixed liquor of pit shaft is fewer, is more obvious to the oil-water mixture inhibitory effect of high-moisture percentage, and control water effect is more obvious.The present apparatus
It, can be by most of water resistance every in the earth formation, improving the quantum of output of other intervals, to mention when applied to high-moisture block
The recovery ratio of high entire pit shaft.When gas cut occurs, since the viscosity of gas is lower, floating plate is almost closed the first valve body 1, is floated
Runner between Moving plate 3 and ring baffle 4 inhibits gas to enter pit shaft.Therefore, the present apparatus has active control water or gas, increasing
The effect of oil, can greatly improve oil recovery.
Although by reference to preferred embodiment, invention has been described, the case where not departing from the scope of the present invention
Under, various improvement can be carried out to it and can replace component therein with equivalent.Especially, as long as there is no structures to rush
Prominent, items technical characteristic mentioned in the various embodiments can be combined in any way.The invention is not limited to texts
Disclosed in specific embodiment, but include all technical solutions falling within the scope of the claims.
Claims (10)
1. a kind of volume control device characterized by comprising
First valve body (1), first valve body (1) are provided with fluid inlet (11)；
The second valve body (2) of first valve body (1) is connected, several fluid outlets (21) are set on second valve body (2)；With
And
Floating disc (3) between first valve body (1) and the second valve body (2) is set；
Wherein, it is formed between first valve body (1) and second valve body (2) and is connected to the fluid inlet (11) and the stream
Body exports the fluid channel of (21), and the floating disc (3) is constructed to be permeable to float in the fluid channel, to change fluid
The flow of inner fluid passage.
2. volume control device according to claim 1, which is characterized in that first valve body (1) includes discoidal
Lid (12), and the side wall (13) of the circular ring shape for connecting second valve body (2)；Wherein, in the lid (12)
The fluid inlet (11) is arranged in portion, and the fluid inlet (11) flows into tube body towards the setting of the side of second valve body (2)
(14)。
3. volume control device according to claim 1 or 2, which is characterized in that second valve body (2) includes circular
Bottom plate (22), the edge of the bottom plate (22) connect the side wall (13) of first valve body (1)；The fluid outlet (21) is in institute
It states and is uniformly arranged a circle on bottom plate (22).
4. volume control device according to claim 3, which is characterized in that supporting element is arranged in the middle part of the bottom plate (22)
(23), the floating disc (3) is floated between the supporting element (23) and the inflow tube body (14).
5. volume control device according to claim 4, which is characterized in that annular gear is arranged on second valve body (2)
Plate (4), the ring baffle (4) include the circular column (41) for connecting the bottom plate (22), the circular column (41) if on be arranged
Dry and fluid outlet (21) opposite through-hole (43)；
The postive stop baffle (42) of annular is set on the circular column (41), and the floating disc (3) is arranged in the postive stop baffle
(42) between the supporting element (23), the middle part for flowing into tube body (14) and being located at the postive stop baffle (42).
6. volume control device according to claim 5, which is characterized in that the postive stop baffle (42) is towards bottom plate (22)
Side and it is described flow into tube body (14) end align.
7. volume control device according to claim 5 or 6, which is characterized in that the diameter of the floating disc (3) is D1, institute
The internal diameter for stating circular column (41) is D2, the internal diameter of the postive stop baffle (42) is D3, the floating distance of the floating disc (3) is h,
Above-mentioned parameter meets:
D3<D1, and
8. volume control device according to claim 5, which is characterized in that the circular column (41) and the bottom plate (22)
Between be arranged sealing element (24).
9. volume control device according to claim 5, which is characterized in that the side wall (13) of first valve body (1)
The keyway (44) that inside setting matches with the ring baffle (4) shape, first valve body (1) are connected by screw thread or bolt
Connect the ring baffle (4) and second valve body (2).
10. a kind of flow control side realized using volume control device according to any one of claim 1 to 9
Method characterized by comprising
After the low fluid of viscosity enters fluid inlet (11), fluid forms high speed between the first valve body (1) and floating disc (3)
Low pressure, fluid forms circulation in the flow channel, and is recycled to the floating pan bottom, provides for the floating disc (3)
Towards the buoyancy of the first valve body (1), reduce floating disc (3) and the gap of first valve body (1), to reduce fluid entrance
Flow；
After the high fluid of viscosity enters fluid inlet (11), fluid forms low speed between the first valve body (1) and floating disc (3)
High pressure, fluid generate the extruding force towards the second valve body (2) to floating disc (3), make floating disc (3) and first valve body (1)
Gap increase, thus increase fluid entrance flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810325282.0A CN110374558A (en) | 2018-04-12 | 2018-04-12 | A kind of volume control device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810325282.0A CN110374558A (en) | 2018-04-12 | 2018-04-12 | A kind of volume control device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110374558A true CN110374558A (en) | 2019-10-25 |
Family
ID=68243522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810325282.0A Pending CN110374558A (en) | 2018-04-12 | 2018-04-12 | A kind of volume control device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110374558A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101490360A (en) * | 2006-07-07 | 2009-07-22 | 诺尔斯海德公司 | Method for flow control and autonomous valve or flow control device |
| US8820413B2 (en) * | 2008-01-04 | 2014-09-02 | Statoil Petroleum As | Alternative design of self-adjusting valve |
| CN104314530A (en) * | 2014-10-16 | 2015-01-28 | 中国石油天然气股份有限公司 | Inflow control device |
| CN205823231U (en) * | 2016-07-21 | 2016-12-21 | 中国海洋石油总公司 | A kind of screen casing water control valve |
| CN206753556U (en) * | 2017-05-15 | 2017-12-15 | 中国石油化工股份有限公司 | A kind of floating disc control water resistance device of air and oil well adjust stream oil extraction system with control water |
-
2018
- 2018-04-12 CN CN201810325282.0A patent/CN110374558A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101490360A (en) * | 2006-07-07 | 2009-07-22 | 诺尔斯海德公司 | Method for flow control and autonomous valve or flow control device |
| US8820413B2 (en) * | 2008-01-04 | 2014-09-02 | Statoil Petroleum As | Alternative design of self-adjusting valve |
| CN104314530A (en) * | 2014-10-16 | 2015-01-28 | 中国石油天然气股份有限公司 | Inflow control device |
| CN205823231U (en) * | 2016-07-21 | 2016-12-21 | 中国海洋石油总公司 | A kind of screen casing water control valve |
| CN206753556U (en) * | 2017-05-15 | 2017-12-15 | 中国石油化工股份有限公司 | A kind of floating disc control water resistance device of air and oil well adjust stream oil extraction system with control water |
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Application publication date: 20191025 |