CN209293772U - A kind of fluid regulation device - Google Patents
A kind of fluid regulation device Download PDFInfo
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- CN209293772U CN209293772U CN201821787516.5U CN201821787516U CN209293772U CN 209293772 U CN209293772 U CN 209293772U CN 201821787516 U CN201821787516 U CN 201821787516U CN 209293772 U CN209293772 U CN 209293772U
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Abstract
The utility model discloses a kind of fluid regulation devices, the main center open up axially through outlet opening, the body upper surface opens up chamber, the chamber is centered on outlet opening central axis, i.e. outlet opening upper end is connected to chamber center, the body upper surface also opens up annular runner, the annular runner is provided with chamber periphery, chamber ingress is opened up between the chamber and annular runner, the body upper surface also opens up body inlet slot and entrance channel, the entrance channel is provided with annular runner periphery, the entrance channel inner port connects annular runner, entrance channel external port connects body inlet slot inner port, it is extraneous that body inlet slot external port is connected to main body circumferential wall.The body inlet slot also passes through chute with annular runner and is directly connected to.The device achievees the purpose that raising oil well recovery ratio and economic development benefit for reinforcing reservoir management in horizontal well (or straight inclined shaft), the steady oil control water of realization, extending the oil well service life.
Description
Technical field
The utility model relates to oil field development fluid control technique field, specifically a kind of fluid regulation device.
Background technique
In order to save oilfield exploitation cost, oil recovery factor is improved, more and more oil fields use horizontal wells technology
Thin layer reservoir, bottom water reservoir, untraditional reservoir etc. are developed.Horizontal wells technology can save to a certain extent
Drilling cost improves oilfield economic benefit.But horizontal well different type oil reservoir especially side water, in bottom water reservoir production process
The problem of exposing also becomes increasingly conspicuous, and is mainly shown as side water, bottom water, pneumatic jack coning or coning, and pit shaft premature water breakthrough is shown in gas, leads
The unbalanced production of horizontal well is caused, for ultra-high water-containing oil field, it is tight that fast, oil production that there is also aqueous risings reduces rapid even appearance
The problems such as weight " water logging ".
In order to solve the problems, such as it is above-mentioned as reservoir heterogeneity, toe with horizontal well premature water breakthrough, gas caused by effect, fluid tune
Device Inflow Control Device is controlled, abbreviation ICD is gradually studied personnel and applies in horizontal well.Horizontal well completion section
The ICD of installation can generate an overcurrent resistance to the fluid for flowing into ICD, fluid is made to generate a parasitic pressure drop.But due to difference
Property has differences as oily viscosity is bigger than the viscosity of water or gas, when different fluid can be made to flow through ICD, generates between fluid
Additonal pressure it is different, basic law be water, gas parasitic pressure drop be greater than the parasitic pressure drop of crude oil.According to the additional pressure of different fluid
Drop is different, can regulate and control fluid distrbution, slows down bottom water coning or pneumatic jack gas coning, overcome the problems, such as oil well premature water breakthrough, gas.More
Body is to can change fluid flow rate size, flow direction or both to change together, to interfere the proper motion of fluid, is made
Horizontal segment production profile is substantially balanced, and bottom water slowly rises in ideal uniformly water ridge, achievees the purpose that control water.
But above-mentioned ICD fails to be fully solved problem there is also deficiency.ICD belongs to passive control water or device of air, and not including can
Dynamic component, before being mounted on flow string as completion equipment, size has been fixed according to the original reservoir condition, cannot
Change again, since oil reservoir state is dynamic change, this ICD for allowing for installation may be mismatched with oil reservoir, control water or gas effect
Fruit is bad.
For disadvantage of the above-mentioned ICD in horizontal wells use process, domestic and international scientific research personnel has developed auto-control
Device Autonomous Inflow Control Device, abbreviation AICD carry out balanced production profile, reach oil-water interfaces and stablize
The purpose of propulsion.Mainly there are density sensitive type AICD, runner type AICD, RCP valve and controlling valve Inflow Control at present
Tetra- kinds of device for automatically regulating of Valve, abbreviation ICV.
The design theory of density sensitive type AICD is Archimedes principle, according to the density adjusting device of fluid, when passing through
When the tolerance of device is excessive, device flow channel is closed；When gas coning is decorporated, device works normally again, and crude oil resumes production.
The device can adapt to the oil-gas reservoir with different severe crude oil by adjusting counterweight number of blocks, meanwhile, when device is inverted
It can also be used to control water.Although density sensitive valve can hinder the output of water or gas, the device in oil well water breakthrough or after seeing gas
Remain deficiency, be mainly shown as: structure is complicated, and containing moving component, reliability is low, and if valve direction during tripping in
Variation is easy to cause density sensitive plate not open, and influences the performance of valve.
The design theory of runner type AICD is diode concept, according to different viscosities fluid by device can generate it is different
Additional pressure differential regulates and controls fluid flow, and when what is passed through is the high crude oil of viscosity, parasitic pressure drop is smaller, little to flow effect；
When what is passed through is the low water or gas of viscosity, parasitic pressure drop is very big, not easily passs through, and water or throughput reduce.The device can be very
Anti-erosion well, anti-clogging can also play a role after water, gas are broken through, but the fluid viscosity ranges that the device is adapted to are very narrow.
The design theory of RCP valve is Bernoulli equation, regulates and controls valve body by flowing through the variation of different fluid viscosity of valve body
The aperture and switch of interior disk.When the higher oil stream of relative viscosity is through valve body, disk is in the open state, when relative viscosity compared with
When low water or air-flow is through valve body, disk is automatically closed because of pressure drop caused by viscosity change, to reach control water, control gas, increase oil
Purpose.But the valve is mainly used for being easy to appear the oil reservoir of gas-coning phenomena, bad for water cone oil reservoir effect.
The ICV of horizontal well completion section installation, the valve are equivalent to a bottomhole choke from sliding sleeve evolution of technology, lead to
Over-voltage power drive sliding sleeve adjusts the aperture of valve, and then adjusts the flow for entering pit shaft, similar to AICD, can realize from
Dynamic regulatory function postpones water breakthrough, gas purpose, moreover it is possible to adjust in time by ground regulator control system to reach adjusting inflow profile
The open degree of ICV realizes real-time optimization production.But ICV valve, which needs to cooperate with precision instrument, to be used, in long-term use process,
Its reliability is not high.
Utility model content
The purpose of this utility model is to provide a kind of fluid regulation devices, in the domestic outer fluid regulation device of investigation, certainly
On the basis of dynamic regulation device type, all enter high water cut rate, even ultra-high water-containing in conjunction with most of oil field in current China
The status of phase using centrifuge separation principle, designs a kind of fluid regulation device according to fluid properties difference, the device according to
Fluid properties difference is mounted between oil reservoir and oil pipe using centrifuge separation principle, for reinforcing in horizontal well (or straight inclined shaft)
Reservoir management realizes steady oil control water, extends the oil well service life, achievees the purpose that improve oil well recovery ratio and economic development benefit.
In order to achieve the above objectives, the utility model uses following technical solution, a kind of fluid regulation device, including master
Body, upper end cover, the upper end cover are covered in body upper surface, the main center open up axially through outlet opening, the main body
Upper surface opens up chamber, and centered on outlet opening central axis, i.e., outlet opening upper end is connected to the chamber with chamber center, described
Body upper surface also opens up annular runner, and the annular runner is provided with chamber periphery, the chamber and annular runner
Between open up chamber ingress, the body upper surface also opens up body inlet slot and entrance channel, and the entrance channel is provided with
Annular runner periphery, the entrance channel inner port connect annular runner, and entrance channel external port connects body inlet slot
Inner port, it is extraneous that body inlet slot external port is connected to main body circumferential wall.
The body inlet slot also passes through chute with annular runner and is directly connected to.
The area of passage of the external port of the body inlet slot itself is greater than the overcurrent of the inner port of body inlet slot itself
Area.
The area of passage of the external port of the entrance channel itself is greater than the area of passage of the inner port of entrance channel itself.
The body inlet slot is at least arranged two, and all body inlet slots form ring by the center of circle of outlet opening central axes
Shape matrix, each body inlet slot configure an entrance channel；The quantity and the body inlet that the chamber ingress opens up
The quantity that slot opens up is consistent.
The upper end cover lower surface is equipped with upper end cover inlet slot, and upper end cover inlet slot is aligned with the body inlet slot of main body.
The utility model has the advantages that compared with prior art
The characteristics of both having possessed traditional IC D due to the device, the i.e. profile of equilibrium, eliminate toe with effect, elimination Annular cutting influence
Deng, and fluid can be carried out according to fluid properties being automatically subjected to phase splitting shunting, and limit the gentle output of water, therefore it can be not only used for bottom
The horizontal well that water is not broken through controls water in advance, and can be used for the horizontal well later period control water that bottom water has been broken through, and is more suitable for non-equal
Strong side/the bottom water reservoir of matter and with gas cap reservoir, is particularly suitable for coming into the oil reservoir of high water cut rate and high gas-oil ratio (HGOR).
The device has entrance channel and annular runner.Entrance channel input end is big, and outlet opening is small, i.e. imitation Jia Minxiao
It answers, is made exclusively for that viscosity is small, the small water flow passage of viscous force or flow channel, the runner can greatly increase water or the additional pressure of gas
Power；Annular runner further increases water or gas additonal pressure as water or the second rotating channel of gas.Two runners make water or gas
A distance has been moved in multithread for crude oil, and the Additional pressure differential which generate water or gas can make water or gas be difficult to pass through
Device is finally reached the purpose of undesirable fluid water or gas.
When oil and water or gas flow into device simultaneously, since the viscosity of oil is big, viscous force is big, and inertia force is small, and oil will be by most
Close chute and chamber ingress flows into chamber, and water or gas, since viscosity is small, viscous force is small, and inertia force is big, will be first in entrance
It prewhirls in runner, enters back into annular runner rotation, regulation chamber is flowed by chamber ingress, grease enters after regulation chamber through going out
Oral pore outflow.In a device without spin due to oil, pressure drop generates without spin, and water or gas can high speed rotation in a device, generate
Big rotation pressure drop, therefore, the pressure drop that water or gas flow through device are greater than the out-of-date pressure drop of oil stream, and fluid regulation device limits water
Or the output of gas
Many oil fields domestic at present come into middle high water cut stage, and composite water cut is high, and water yield of well is big, by stratum
A series of water blockoffs of water bring, stratum water treatment problems seriously affect productivity effect, crude output and recovery ratio.By in water
Horizontal well, inclined shaft, which install the device and can reduce local bottom water and break through too early, to be brought a negative impact, final to realize steady oil control water, prolong
The long oil well service life reduces oil well cost of water treatment, improves the purpose of oil well recovery ratio and economic development benefit.
Detailed description of the invention
Fig. 1 is a kind of fluid regulation device structure sectional view of the utility model；
Fig. 2 is a kind of top view of the main body of fluid regulation device of the utility model；
Fig. 3 is a kind of fluid regulation device structure top view of the utility model.
In figure: body inlet slot 201, entrance channel 202, chute 203, annular runner 204, chamber ingress 205, chamber
206, outlet opening 207.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1:
It please refers to Fig.1 to Fig.3, the utility model provides a kind of technical solution: a kind of fluid regulation device, including main body 2,
Upper end cover 1, the upper end cover are covered in body upper surface, the main center open up axially through outlet opening 207, the main body
Upper surface opens up chamber 206, and the chamber is centered on outlet opening central axis, i.e., outlet opening upper end is connected to chamber center,
The body upper surface also opens up annular runner 204, and the annular runner is provided with chamber periphery, the chamber and annular
Chamber ingress 205 is opened up between runner, the body upper surface also opens up body inlet slot 201 and entrance channel 202, described
Entrance channel is provided with annular runner periphery, and the entrance channel inner port connects annular runner, entrance channel external port
Body inlet slot inner port is connected, it is extraneous that body inlet slot external port is connected to main body circumferential wall.
The body inlet slot also passes through chute 203 with annular runner and is directly connected to.
The area of passage of the external port of the body inlet slot itself is greater than the overcurrent of the inner port of body inlet slot itself
Area.
The area of passage of the external port of the entrance channel itself is greater than the area of passage of the inner port of entrance channel itself.
The body inlet slot is at least arranged two, and all body inlet slots form ring by the center of circle of outlet opening central axes
Shape matrix, each body inlet slot configure an entrance channel；The quantity and the body inlet that the chamber ingress opens up
The quantity that slot opens up is consistent.
The upper end cover lower surface is equipped with upper end cover inlet slot, and upper end cover inlet slot is aligned with the body inlet slot of main body.
Entrance channel 202 and annular runner 204 are tangent, i.e., liquid stream enters annular shunting from 202 rotary-cutting type of entrance channel
Road 204.
As shown in Figure 1, the device is mainly made of upper end cover 1 and main body 2, connected between upper end cover 1 and main body 2 by screw thread
It connects and is not shown in the figure.Fig. 2 is the structural schematic diagram of main body 2, is the main component controlled water and control gas, main body 2 is by body inlet
Slot 201, entrance channel 202, chute 203, annular runner 204, chamber ingress 205, chamber 206 and outlet opening 207 form.Figure
3 be device top view, and 1 lower surface of upper end cover is equipped with upper end cover inlet slot, the body inlet slot of upper end cover inlet slot and main body 2
201 alignment, collectively form fluid inlet slot.
Main body 2 is described further in conjunction with Fig. 2, fluid is after oil reservoir arrival body inlet slot 201, the stream of different viscosities
Cognition has different flow paths.When fluid is the lower water of viscosity or gas, viscous force is smaller, can be from body inlet slot
201 enter entrance channel 202, and flow along annular runner 204, after pressure, speed drop to a certain degree, via chamber
Entrance 205 enters chamber 206, and rotates in chamber 206 again, finally flows out from outlet opening 207；When fluid is that viscosity is higher
Crude oil when, viscous force is larger, directly can enter chamber through chute 203 and chamber ingress 205 from body inlet slot 201
206 or at most along annular runner 204 flowing after through by chamber ingress 205 enter chamber 206, finally also from outlet opening 207
Outflow.Water or gas can generate an additonal pressure when passing through entrance channel 202, revolve in annular runner 204 and chamber 206
Turn of tidal stream is dynamic also to generate additonal pressure, these additonal pressures can be such that water or gas is difficult to compared with crude oil through device, to reach regulation
The purpose of water or gas.
The device has entrance channel and annular runner.Entrance channel input end is big, and outlet opening is small, i.e. imitation Jia Minxiao
It answers, is made exclusively for that viscosity is small, the small water flow passage of viscous force or flow channel, the runner can greatly increase water or the additional pressure of gas
Power；Annular runner further increases water or gas additonal pressure as water or the second rotating channel of gas.Two runners make water or gas
A distance has been moved in multithread for crude oil, and the Additional pressure differential which generate water or gas can make water or gas be difficult to pass through
Device is finally reached the purpose of undesirable fluid water or gas.
When oil and water or gas flow into device simultaneously, since the viscosity of oil is big, viscous force is big, and inertia force is small, and oil will be by most
Close chute and chamber ingress flows into chamber, and water or gas, since viscosity is small, viscous force is small, and inertia force is big, will be first in entrance
It prewhirls in runner, enters back into annular runner rotation, regulation chamber is flowed by chamber ingress, grease enters after regulation chamber through going out
Oral pore outflow.In a device without spin due to oil, pressure drop generates without spin, and water or gas can high speed rotation in a device, generate
Big rotation pressure drop, therefore, the pressure drop that water or gas flow through device are greater than the out-of-date pressure drop of oil stream, and fluid regulation device limits water
Or the output of gas
Embodiment 2:
It please refers to Fig.1 to Fig.3, the utility model provides a kind of technical solution: a kind of fluid regulation device, including main body 2,
Upper end cover 1, the upper end cover are covered in body upper surface, the main center open up axially through outlet opening 207, the main body
Upper surface opens up chamber 206, and the chamber is centered on outlet opening central axis, i.e., outlet opening upper end is connected to chamber center,
The body upper surface also opens up annular runner 204, and the annular runner is provided with chamber periphery, the chamber and annular
Chamber ingress 205 is opened up between runner, the body upper surface also opens up body inlet slot 201 and entrance channel 202, described
Entrance channel is provided with annular runner periphery, and the entrance channel inner port connects annular runner, entrance channel external port
Body inlet slot inner port is connected, it is extraneous that body inlet slot external port is connected to main body circumferential wall.
The body inlet slot also passes through chute 203 with annular runner and is directly connected to.
The area of passage of the external port of the body inlet slot itself is greater than the overcurrent of the inner port of body inlet slot itself
Area.
The area of passage of the external port of the entrance channel itself is greater than the area of passage of the inner port of entrance channel itself.
Embodiment 3:
It please refers to Fig.1 to Fig.3, the utility model provides a kind of technical solution: a kind of fluid regulation device, including main body 2,
Upper end cover 1, the upper end cover are covered in body upper surface, the main center open up axially through outlet opening 207, the main body
Upper surface opens up chamber 206, and the chamber is centered on outlet opening central axis, i.e., outlet opening upper end is connected to chamber center,
The body upper surface also opens up annular runner 204, and the annular runner is provided with chamber periphery, the chamber and annular
Chamber ingress 205 is opened up between runner, the body upper surface also opens up body inlet slot 201 and entrance channel 202, described
Entrance channel is provided with annular runner periphery, and the entrance channel inner port connects annular runner, entrance channel external port
Body inlet slot inner port is connected, it is extraneous that body inlet slot external port is connected to main body circumferential wall.
The body inlet slot also passes through chute 203 with annular runner and is directly connected to.
In the description of the present invention, it should be understood that temporald eixis or positional relationship are based on the figure
Orientation or positional relationship is merely for convenience of description the utility model, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of fluid regulation device, which is characterized in that including main body, upper end cover, the upper end cover is covered in body upper surface, institute
State main center open up axially through outlet opening, the body upper surface opens up chamber, and the chamber is with outlet opening central axis
Centered on line, i.e., outlet opening upper end is connected to chamber center, and the body upper surface also opens up annular runner, the annular point
Runner is provided with chamber periphery, opens up chamber ingress between the chamber and annular runner, the body upper surface also opens up
Body inlet slot and entrance channel, the entrance channel are provided with annular runner periphery, the entrance channel inner port connection
Annular runner, entrance channel external port connect body inlet slot inner port, and body inlet slot external port is connected to main body circumference
Wall is extraneous.
2. a kind of fluid regulation device according to claim 1, which is characterized in that the body inlet slot and annular shunt
Road also passes through chute and is directly connected to.
3. a kind of fluid regulation device according to claim 1 or 2, which is characterized in that the body inlet slot itself
The area of passage of external port is greater than the area of passage of the inner port of body inlet slot itself.
4. a kind of fluid regulation device according to claim 1 or 2, which is characterized in that outside the entrance channel itself
The area of passage of port is greater than the area of passage of the inner port of entrance channel itself.
5. a kind of fluid regulation device according to claim 1 or 2, which is characterized in that the body inlet slot is at least set
Two are set, all body inlet slots form ring quasi array, the configuration of each body inlet slot by the center of circle of outlet opening central axes
One entrance channel；The quantity that the chamber ingress opens up is consistent with the quantity that the body inlet slot opens up.
6. a kind of fluid regulation device according to claim 1 or 2, which is characterized in that the upper end cover lower surface is equipped with
Upper end cover inlet slot, upper end cover inlet slot are aligned with the body inlet slot of main body.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821787516.5U CN209293772U (en) | 2018-10-31 | 2018-10-31 | A kind of fluid regulation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821787516.5U CN209293772U (en) | 2018-10-31 | 2018-10-31 | A kind of fluid regulation device |
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| CN209293772U true CN209293772U (en) | 2019-08-23 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111101908A (en) * | 2020-01-07 | 2020-05-05 | 中国海洋石油集团有限公司 | Automatic inflow control device and tubular column |
| CN111119804A (en) * | 2018-10-31 | 2020-05-08 | 中国石油化工股份有限公司 | Fluid inflow control device |
| CN112832723A (en) * | 2019-11-22 | 2021-05-25 | 中国石油化工股份有限公司 | Self-adaptive water control device for gas well and design method thereof |
| CN115306356A (en) * | 2022-08-04 | 2022-11-08 | 中国科学院武汉岩土力学研究所 | CO (carbon monoxide) in heterogeneous reservoir 2 Pumping and injecting flow regulating and controlling device for sealing strength |
-
2018
- 2018-10-31 CN CN201821787516.5U patent/CN209293772U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111119804A (en) * | 2018-10-31 | 2020-05-08 | 中国石油化工股份有限公司 | Fluid inflow control device |
| CN112832723A (en) * | 2019-11-22 | 2021-05-25 | 中国石油化工股份有限公司 | Self-adaptive water control device for gas well and design method thereof |
| CN112832723B (en) * | 2019-11-22 | 2022-12-09 | 中国石油化工股份有限公司 | Self-adaptive water control device for gas well and design method thereof |
| CN111101908A (en) * | 2020-01-07 | 2020-05-05 | 中国海洋石油集团有限公司 | Automatic inflow control device and tubular column |
| CN111101908B (en) * | 2020-01-07 | 2022-05-03 | 中国海洋石油集团有限公司 | Automatic inflow control device and tubular column |
| CN115306356A (en) * | 2022-08-04 | 2022-11-08 | 中国科学院武汉岩土力学研究所 | CO (carbon monoxide) in heterogeneous reservoir 2 Pumping and injecting flow regulating and controlling device for sealing strength |
| CN115306356B (en) * | 2022-08-04 | 2024-01-30 | 中国科学院武汉岩土力学研究所 | Improving heterogeneous reservoir CO 2 Pumping and injecting flow regulating and controlling device for sealing strength |
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