CN104389553B - Automatically control valve is selected mutually - Google Patents
Automatically control valve is selected mutually Download PDFInfo
- Publication number
- CN104389553B CN104389553B CN201410501115.9A CN201410501115A CN104389553B CN 104389553 B CN104389553 B CN 104389553B CN 201410501115 A CN201410501115 A CN 201410501115A CN 104389553 B CN104389553 B CN 104389553B
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- China
- Prior art keywords
- base tube
- end cover
- split cavity
- runner
- exterior ring
- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 27
- 238000003860 storage Methods 0.000 claims abstract description 19
- 239000012530 fluid Substances 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 238000005516 engineering process Methods 0.000 claims description 8
- 241000168254 Siro Species 0.000 claims description 6
- 238000009987 spinning Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000011084 recovery Methods 0.000 abstract description 5
- 230000008030 elimination Effects 0.000 abstract description 4
- 238000003379 elimination reaction Methods 0.000 abstract description 4
- 238000005520 cutting process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002699 waste material Substances 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
-
- 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
- E21B43/32—Preventing gas- or water-coning phenomena, i.e. the formation of a conical column of gas or water around wells
-
- 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
- E21B43/34—Arrangements for separating materials produced by the well
- E21B43/38—Arrangements for separating materials produced by the well in the well
Landscapes
- 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)
- Hydraulic Turbines (AREA)
Abstract
The invention discloses and automatically select control valve mutually, it includes base tube (1), base tube (1) outside suit end cap (2), exterior ring cap (3) and screen casing (4), eddy flow reducer (5) is installed between exterior ring cap (3) and base tube (1), the bottom end cover (7) of eddy flow reducer (5) is provided with split cavity (10) and water storage chamber (12), the (operating) water nozzle (13) of connection water storage chamber (12) it is provided with on the sidewall of split cavity (10), connection split cavity (10) and the oil burner nozzle (14) of water storage chamber (12) and the base tube liquid outlet (16) of outlet (15) it is provided with on base tube (1).The invention has the beneficial effects as follows: fluid can be distinguished, enable profit automatic shunt, limit the output of water, the profile of equilibrium, elimination toe are with effect, elimination Annular cutting affects, extend Oil/gas Well Production Life, the well that is conducive to improving the standard controls the recovery ratio of reservoir, it is adaptable to limit/bottom water reservoir that anisotropism is strong.
Description
Technical field
The present invention relates to a kind of automatic control water instrument for oil exploitation, particularly a kind of cyclone-type selects control valve mutually.
Background technology
Horizontal well, as an advanced technology of oil-gas field development, is widely used in thin layer reservoir, bottom water reservoir, fractured reservoir, heavy crude reservoir and ocean shallow water and deep water hydrocarbon is hidden.Horizontal well development is by expanding oil reservoir drainage area raising oil well output and oil field development economic benefit, owing to horizontal segment is the longest, when the oil reservoir that exploitation homogenizing is single, pit shaft frictional resistance and the existence of unbalanced pressure reduction, make horizontal segment two ends fluid producing intensity high, middle fluid producing intensity is low, the contribution rate causing each section of horizontal well is the most uneven, passage along with recovery time, the funneling effect of horizontal well is the most obvious, form water ridge or gas ridge at horizontal segment top barometric gradient maximum, cause bottom water or pneumatic jack coning；When developing heterogeneous body multilayered reservoir, owing to interlayer contradiction highlights, more can aggravate bottom water or pneumatic jack coning, make the advantage of horizontal well to give full play to, cause the wasting of resources and fund waste.There is problems especially for horizontal well with bottom water reservoir exploitation, during bottom water coning causes rate of water cut increase fast, short phenomenon of low aqueous oil recovery phase generally exists, it has also become the bottleneck that restriction horizontal well produces.The technical barrier faced for current China horizontal well with bottom water reservoir and realistic problem, develop the control valve for the purpose of controlling production profile and have important practical significance.
Summary of the invention
It is an object of the invention to overcome the shortcoming of prior art, it is provided that a kind of can distinguish fluid, limit the output of water, the profile of equilibrium, elimination toe with effect, eliminate Annular cutting impact, extend Oil/gas Well Production Life, be applicable to the strong limit/bottom water reservoir of anisotropism automatically select control valve mutually.
The purpose of the present invention is achieved through the following technical solutions: automatically select control valve mutually, it includes base tube, end cap, exterior ring cap and screen casing it is set with successively along vertical direction outside base tube, end cap and base tube compact siro spinning technology, the front end of exterior ring cap and the rear end compact siro spinning technology of end cap, the front end of screen casing is connected with the rear end of exterior ring cap, is provided with eddy flow reducer in the gap between exterior ring cap and base tube
Described eddy flow reducer includes upper end cover and bottom end cover, bottom end cover is provided with inlet A and the runner of prewhirling connected with inlet A, it is positioned at the circular cavity that runner of prewhirling surrounds, circumferentially distributed have multiple split cavity, the inlet B of split cavity is positioned at runner of prewhirling, and the opening direction of inlet B is contrary with the flow direction of fluid in runner of prewhirling herein, the sidewall of the sidewall of split cavity and runner of prewhirling surrounds water storage chamber, connection split cavity and the (operating) water nozzle of water storage chamber it is provided with on the sidewall of split cavity, the bottom of split cavity is provided with the oil burner nozzle of connection split cavity and bottom end cover lower end, the bottom of water storage chamber is provided with connection water storage chamber and the outlet of bottom end cover lower end；It it is interference fit between upper end cover and bottom end cover；
The outer surface of eddy flow reducer fits tightly with the outer wall of base tube and the inwall of exterior ring cap respectively, and base tube is provided with connection substrate tube space and the base tube liquid outlet of the oil burner nozzle of eddy flow reducer and outlet.
Along base tube circumferencial direction, one or more eddy flow reducer is installed in gap between described exterior ring cap and base tube.
Described bottom end cover is provided with one or more inlet A.
Described prewhirl runner twist or annular.
The invention have the advantages that
The present invention can distinguish fluid, enables profit automatic shunt, limits the output of water, the profile of equilibrium, eliminates toe with effect, elimination Annular cutting affects, extending Oil/gas Well Production Life, the well that is conducive to improving the standard controls the recovery ratio of reservoir, it is adaptable to limit/bottom water reservoir that anisotropism is strong.
The present invention does not has moving component, according only to fluid properties and flow path profit carried out automatic shunt, and limit the output of water, substantially increase the reliability flowing into controller, also improving the Balance route effect of horizontal well production profile, the well that is more beneficial for improving the standard controls the recovery ratio of reservoir.
The present invention is provided with eddy flow reducer in the tool, having oil-water separation chamber in eddy flow reducer, it is achieved be automatically adjusted the output of profit, this structure is not only suitable for the oil well do not broken through for water, being particularly suited for the oil well that water has been broken through, control water effect will be far better than other control water conservancy project tools.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention
Fig. 2 is a kind of structural representation of the eddy flow reducer of the present invention
Fig. 3 is a kind of structural representation of the eddy flow reducer bottom end cover of the present invention
Fig. 4 is the Fig. 2 sectional view along Section A-A
Fig. 5 is the another kind of structural representation of the eddy flow reducer of the present invention
Fig. 6 is the another kind of structural representation of the eddy flow reducer bottom end cover of the present invention
Fig. 7 is the Fig. 5 sectional view along section B-B
In figure, 1-base tube, 2-end cap, 3-exterior ring cap, 4-screen casing, 5-eddy flow reducer, 6-upper end cover, 7-bottom end cover, 8-inlet A, 9-prewhirl runner, 10-split cavity, 11-inlet B, 12-water storage chamber, 13-(operating) water nozzle, 14-oil burner nozzle, 15-outlet, 16-base tube liquid outlet, 17-controls chamber.
Detailed description of the invention
The present invention will be further described below in conjunction with the accompanying drawings, and protection scope of the present invention is not limited to the following stated:
As shown in Figure 1, automatically control valve is selected mutually, it includes base tube 1, base tube 1 is outside is set with end cap 2, exterior ring cap 3 and screen casing 4 successively along vertical direction, end cap 2 and base tube 1 compact siro spinning technology, in this enforcement, end cap 2 is welded to connect with base tube 1, and it is provided with sealing ring between the outer surface of the circle tube inner wall of end cap 2 and base tube 1, the front end of exterior ring cap 3 and the rear end compact siro spinning technology of end cap 2, the front end of screen casing 4 is connected with the rear end of exterior ring cap 3, is provided with eddy flow reducer 5 in the gap between exterior ring cap 3 and base tube 1.
nullSuch as Fig. 2、Fig. 3、Fig. 4、Fig. 5、Fig. 6、Shown in Fig. 7，Described eddy flow reducer 5 includes upper end cover 6 and bottom end cover 7，Bottom end cover 7 is provided with inlet A8 and the runner 9 of prewhirling connected with inlet A8，Prewhirl runner 9 in circular arc，Thus the fluid leading into runner 9 of prewhirling does the flowing of circular arc track，It is positioned at the circular cavity that runner 9 of prewhirling surrounds，Circumferentially distributed have multiple split cavity 10，The inlet B11 of described split cavity 10 is positioned at runner 9 of prewhirling，And the opening direction of inlet B11 is contrary with the flow direction of fluid in runner 9 of prewhirling herein，I.e. inlet B11 is contrary with the flow direction of fluid in runner 9 of prewhirling，Fluid in runner 9 of prewhirling tangentially enters inlet B11，The cross section of the inwall of split cavity 10 is spiral yarn shaped，Thus the fluid leading into split cavity 10 is still the flowing doing circular arc track，The sidewall of the sidewall of split cavity 10 and runner 9 of prewhirling surrounds water storage chamber 12，Connection split cavity 10 and the (operating) water nozzle 13 of water storage chamber 12 it is provided with on the sidewall of split cavity 10，The bottom of split cavity 10 is provided with the oil burner nozzle 14 of connection split cavity 10 and bottom end cover 7 lower end，Oil burner nozzle 14 runs through bottom end cover 7，The space outerpace of connection bottom end cover 7 bottom and split cavity 10，The bottom of water storage chamber 12 is provided with connection water storage chamber 12 and the outlet 15 of bottom end cover 7 lower end，Outlet 15 runs through bottom end cover 7，The space outerpace of connection bottom end cover 7 bottom and water storage chamber 12；Upper end cover 6 is covered in the top of bottom end cover 7, and be interference fit between upper end cover 6 and bottom end cover 7, good seal between upper end cover 6 and bottom end cover 7, so that runner 9 of prewhirling only only only passes through outlet 15 and ft connection by oil burner nozzle 14 and ft connection, water storage chamber 12 by inlet A8 with ft connection, split cavity 10.
As it is shown in figure 1, fit tightly between the outer wall of the outer surface of the bottom end cover 7 of eddy flow reducer 5 and base tube 1, it is ensured that excellent sealing；The outer surface of the upper end cover 6 of eddy flow reducer 5 fits tightly with the inwall of exterior ring cap 3, it is ensured that excellent sealing；Connection base tube 1 inner space and the oil burner nozzle 14 of eddy flow reducer 5 and the base tube liquid outlet 16 of outlet 15 it is provided with on base tube 1.
Along base tube 1 circumferencial direction, one or more eddy flow reducer 5 is installed in gap between exterior ring cap 3 and base tube 1.
The rear end of described end cap 2 has the cylindrical connecting portion that an external diameter reduces, the front end sleeve of exterior ring cap 3 is loaded on the cylindrical connecting portion of end cap 2 rear end, it is interference fit between the outer surface of the inner surface of exterior ring cap 3 and the cylindrical connecting portion of end cap 2 rear end, and is provided with sealing ring between the outer surface of the cylindrical connecting portion of the inner surface of exterior ring cap 3 and end cap 2 rear end.
The rear end of described exterior ring cap 3 is provided with the groove for installing screen casing 4, and the front end of screen casing 4 is installed in the groove of exterior ring cap 3 rear end.
Exterior ring cap 3 and eddy flow reducer 5, base tube 1, screen casing 4 surround control chamber 17.
Described bottom end cover 7 is provided with one or more inlet A8.As shown in Figure 2 and Figure 3, described bottom end cover 7 is provided with an inlet A8, and inlet A8 is positioned at the middle part of bottom end cover 7.Also can as shown in Figure 5, Figure 6, described bottom end cover 7 arranges two inlet A8, and two inlet A8 are divided into the both sides of bottom end cover 7, and two inlet A8 are all tangent with preliminary election runner.
Described prewhirl runner 9 twist or annular.As it is shown on figure 3, described prewhirls runner 9 twist；Also runner 9 can be prewhirled ringwise as shown in Figure 6.
The work process of the present invention is as follows: reservoir fluid is flowed into by screen casing 4 after controlling chamber 17 and entered, by the inlet A8 of eddy flow reducer 5, runner 9 of prewhirling again, and liquid obtains abundant pre-supination in runner 9 of prewhirling and entered split cavity 10 by the inlet B11 of split cavity 10.When pit shaft water is not broken through, oil directly flows into base tube 1 by base tube liquid outlet 16 after being throttled by oil burner nozzle 14 and (operating) water nozzle 13.When after water breakthrough, oil mixing with water liquid is divided into water layer and oil reservoir under the influence of centrifugal force, wherein water flows along split cavity 10 wall, and flow out from the (operating) water nozzle 13 of split cavity 10, realize throttling for the first time, after throttling, the flow velocity of water reduces, deceleration water enters water storage cavity room 12 after the (operating) water nozzle 13 of split cavity 10 flows out, base tube 1 is flow to by base tube liquid outlet 16 finally by after outlet 15 second time throttling, oil enters base tube 1 by base tube liquid outlet 16 after only once being throttled by oil burner nozzle 14, owing to the throttling number of times of oil is few compared with water, flow velocity after flow velocity after oil throttling throttles compared with water is high, therefore production rate is fast compared with producing water speed, reach the purpose of the aquatic product of restriction.
Claims (4)
1. automatically select control valve mutually, it is characterized in that: it includes base tube (1), base tube (1) is outside is set with end cap (2), exterior ring cap (3) and screen casing (4) successively along vertical direction, end cap (2) and base tube (1) compact siro spinning technology, the front end of exterior ring cap (3) and the rear end compact siro spinning technology of end cap (2), the front end of screen casing (4) is connected with the rear end of exterior ring cap (3), is provided with eddy flow reducer (5) in the gap between exterior ring cap (3) and base tube (1)
nullDescribed eddy flow reducer (5) includes upper end cover (6) and bottom end cover (7)，Bottom end cover (7) is provided with inlet A(8) and with inlet A(8) runner of prewhirling (9) that connects，It is positioned at the circular cavity that runner of prewhirling (9) surrounds，Circumferentially distributed have multiple split cavity (10)，The inlet B(11 of split cavity (10)) it is positioned at runner of prewhirling (9)，And inlet B(11) opening direction contrary with the flow direction of runner of prewhirling (9) interior fluid herein，The sidewall of the sidewall of split cavity (10) and runner (9) of prewhirling surrounds water storage chamber (12)，Connection split cavity (10) and the (operating) water nozzle (13) of water storage chamber (12) it is provided with on the sidewall of split cavity (10)，The bottom of split cavity (10) is provided with the oil burner nozzle (14) of connection split cavity (10) and bottom end cover (7) lower end，The bottom of water storage chamber (12) is provided with connection water storage chamber (12) and the outlet (15) of bottom end cover (7) lower end；It is interference fit between upper end cover (6) and bottom end cover (7)；
The outer surface of eddy flow reducer (5) fits tightly with the outer wall of base tube (1) and the inwall of exterior ring cap (3) respectively, and base tube (1) is provided with connection base tube (1) inner space and the oil burner nozzle (14) of eddy flow reducer (5) and the base tube liquid outlet (16) of outlet (15).
The most according to claim 1 automatically select control valve mutually, it is characterised in that: along base tube (1) circumferencial direction, one or more eddy flow reducer (5) is installed in the gap between described exterior ring cap (3) and base tube (1).
The most according to claim 1 automatically select control valve mutually, it is characterised in that: described bottom end cover (7) is provided with one or more inlet A(8).
The most according to claim 1 automatically select control valve mutually, it is characterised in that: described runner of prewhirling (9) is twist or annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410501115.9A CN104389553B (en) | 2014-09-26 | 2014-09-26 | Automatically control valve is selected mutually |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410501115.9A CN104389553B (en) | 2014-09-26 | 2014-09-26 | Automatically control valve is selected mutually |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104389553A CN104389553A (en) | 2015-03-04 |
| CN104389553B true CN104389553B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410501115.9A Active CN104389553B (en) | 2014-09-26 | 2014-09-26 | Automatically control valve is selected mutually |
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| Country | Link |
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| CN (1) | CN104389553B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929575A (en) * | 2015-05-26 | 2015-09-23 | 西南石油大学 | Phase-controlled valve |
| CN107939350B (en) * | 2016-10-12 | 2020-03-31 | 中国石油化工股份有限公司 | Selective inflow controller and completion string incorporating same |
| CN109138938B (en) * | 2017-06-28 | 2020-11-10 | 中国石油化工股份有限公司 | Flow regulating and water controlling device, short joint, tubular column and secondary water controlling well completion method |
| CN107288579B (en) * | 2017-08-02 | 2019-08-23 | 西南石油大学 | A kind of horizontal well automatic water control valve |
| CN108756835A (en) * | 2018-06-13 | 2018-11-06 | 四川理工学院 | Baffling type control valve and well system |
| CN109138939B (en) * | 2018-10-24 | 2021-05-25 | 四川理工学院 | Spiral-flow type inflow control valve |
| CN111980660A (en) * | 2020-08-24 | 2020-11-24 | 西南石油大学 | Oil-water automatic separation inflow controller |
| CN112855076B (en) * | 2021-01-20 | 2022-05-03 | 西南石油大学 | Multi-stage flow-dividing water control valve at bottom of well |
| CN112796732B (en) * | 2021-01-29 | 2022-04-12 | 西南石油大学 | Novel liquid is controlled mutually to horizontal well intelligence branch device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4074763A (en) * | 1976-12-17 | 1978-02-21 | Chevron Research Company | Bottom-hole gas-liquid separator |
| CN2474217Y (en) * | 2001-03-27 | 2002-01-30 | 李桂喜 | High efficiency cyclon separator |
| CN2741633Y (en) * | 2004-11-19 | 2005-11-23 | 西南石油学院 | Oil-water separator |
| CN2928253Y (en) * | 2006-06-26 | 2007-08-01 | 中国石油天然气集团公司 | Oil-water separating swirler with Archimedes spiral inlet |
| CN103502567A (en) * | 2011-05-03 | 2014-01-08 | 哈利伯顿能源服务公司 | A device for directing the flow of a fluid using a centrifugal switch |
-
2014
- 2014-09-26 CN CN201410501115.9A patent/CN104389553B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4074763A (en) * | 1976-12-17 | 1978-02-21 | Chevron Research Company | Bottom-hole gas-liquid separator |
| CN2474217Y (en) * | 2001-03-27 | 2002-01-30 | 李桂喜 | High efficiency cyclon separator |
| CN2741633Y (en) * | 2004-11-19 | 2005-11-23 | 西南石油学院 | Oil-water separator |
| CN2928253Y (en) * | 2006-06-26 | 2007-08-01 | 中国石油天然气集团公司 | Oil-water separating swirler with Archimedes spiral inlet |
| CN103502567A (en) * | 2011-05-03 | 2014-01-08 | 哈利伯顿能源服务公司 | A device for directing the flow of a fluid using a centrifugal switch |
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| Publication number | Publication date |
|---|---|
| CN104389553A (en) | 2015-03-04 |
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