CN201786298U - Well flushing valve capable of realizing sand settling - Google Patents
Well flushing valve capable of realizing sand settling Download PDFInfo
- Publication number
- CN201786298U CN201786298U CN2010205108166U CN201020510816U CN201786298U CN 201786298 U CN201786298 U CN 201786298U CN 2010205108166 U CN2010205108166 U CN 2010205108166U CN 201020510816 U CN201020510816 U CN 201020510816U CN 201786298 U CN201786298 U CN 201786298U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- shield
- sand
- flushing valve
- sliding sleeve
- 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.)
- Expired - Fee Related
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Abstract
A well flushing valve capable of realizing sand settling comprises an upper joint, a center pipe, a sand separator, an inner shield, a buoy, an upper shield, a transitional joint, a connecting rod float ball, a clamp spring, a ball seat, a sliding sleeve, a spring, a lower shield, a connecting rod, a steel ball and a lower joint. The upper joint is externally connected with the transitional joint, the lower shield and the lower joint sequentially and is internally connected with the center pipe, the sand separator and the internal shield sequentially, the buoy is mounted in the internal shield, the connecting rod float ball is mounted at the lower end of the buoy in a connected manner, the sliding sleeve and the sand separator are mounted in the lower shield sequentially, a lower sand separator is connected with the connecting rod and the steel ball sequentially, and the ball seat is mounted on the sliding sleeve. The well flushing valve has the advantages of various functions, long service life, capabilities of realizing sand control and settling and inverse flushing, increasing one-off well opening success rate of oil wells, improving pumping efficiency, prolonging service lives of pumps and the oil wells and the like, and can be applied to oilfield production process widely.
Description
One, technical field
The utility model relates to the oil exploitation downhole tool, but particularly a kind of sand setting flushing valve.
Two, background technology
The well-flushing of oil exploitation well is an important procedure of oil production technology, and anti-flushing well is then more useful.Traditional anti-flushing well generally adopts common ball-and-seat structure, and for strength has been contributed in the operation of oil exploitation well anti-flushing well, but it also exists following shortcoming or deficiency simultaneously: 1. common ball-and-seat does not have the easy sand card of sand control mechanism, sand buries, thereby causes the well of lying; 2. the perishable rapid wear of steel ball is not closed completely, and causes leakage, influences operation, influences the stratum, and influence is produced.
Three, summary of the invention
But the purpose of this utility model provides a kind of improved sand setting flushing valve, adopts sand separator and anticorrosion valve ball, the shortcoming or the deficiency that had both overcome effectively or avoided existing in the above-mentioned prior art, again can be good finish the anti-flushing well operation.
But sand setting flushing valve described in the utility model comprises top connection, central tube, sand separator, interior guard shield, floating drum, upper shield, transit joint, connecting rod ball float, jump ring, ball seat, sliding sleeve, spring, lower shield, connecting rod, steel ball, lower contact.Described top connection is connected with transit joint, lower shield and lower contact outward in turn, be connected with central tube, sand separator and interior guard shield in turn in the top connection, in the interior guard shield floating drum is installed, the floating drum lower end is connected and installed with the connecting rod ball float, sliding sleeve and sand separator are installed in the lower shield in turn, following sand separator is connected with connecting rod and steel ball in turn, and sliding sleeve top is equipped with ball seat.
Wherein, described sand separator upper end is the bullet structure of sealing, and the bottom is provided with the floating drum chamber, and the top ends of floating drum is in wherein.Described sand separator top down is the bullet of sealing, and the bottom is the structure that is provided with open-ended inner chamber, in this open-ended inner chamber connecting rod and spring is installed.Described connecting rod ball float is connected with the floating drum bottom, and the connecting rod of connecting rod ball float is a tubular structure, and its tubular body wall is provided with at least one spiracle.Described sliding sleeve bottom is the structure that external diameter diminishes, and forms annular space between the lower shield, in this annular space spring is installed.Described lower shield is provided with inner convex platform, and spring is mounted thereon.Described lower contact is equipped with ball seat in the top.Institute central tube top is provided with at least one oil and is passed to.Described central tube top and sliding sleeve bottom are provided with at least one oil flow channel.
According to above-mentioned principle, the utility model also can be designed to another kind of structure, described sand separator lower end directly is equipped with ball float, in the lower shield, lower contact upper end, spring lower end be equipped with bottom support, the sliding sleeve lower end is connected with lower center tube, sand separator and comprise the steel ball assembly that moves about of taper connection cover, connecting rod and steel ball down in turn.Described bottom support upper end is provided with interior step, and step upper end is provided with groove in this, and the sliding sleeve lower end is provided with groove, and spring is installed in these two grooves.
The utility model has following advantage compared with prior art:
1, function is many, can the sand control sand setting, can realize anti-flushing well again;
2, long service life,
3, improve the producing well success rate that once drives a well;
4, improve pump efficiency, prolong the application life of pump and oil well.
Four, description of drawings
Fig. 1 is a kind of example structure schematic diagram of the present utility model
Fig. 2 is an another kind of example structure schematic diagram of the present utility model
Five, the specific embodiment:
Consult Fig. 1-Fig. 2, but a kind of sand setting flushing valve, comprise top connection 1, central tube 3, sand separator 5, interior guard shield 6, floating drum 7, upper shield 8, transit joint 9, connecting rod ball float 11, jump ring 12, ball seat 13, sliding sleeve 14, spring 15, lower shield 16, connecting rod 17, steel ball 18, lower contact 19, it is characterized in that described top connection 1 outer in turn with transit joint 9, lower shield 16 is connected with lower contact 19, in the top connection 1 in turn with central tube 3, sand separator 5 is connected with interior guard shield 6, in the interior guard shield 6 floating drum 7 is installed, floating drum 7 lower ends are connected and installed with connecting rod ball float 11, sliding sleeve 14 and sand separator 5 are installed in the lower shield 16 in turn, following sand separator 20 is connected with connecting rod 17 and steel ball 18 in turn, and sliding sleeve 14 tops are equipped with ball seat 13.
Sand separator 5 upper ends are the bullet structure of sealing, and the bottom is provided with the floating drum chamber, and the top ends of floating drum 7 is in wherein.Following sand separator 20 tops are the bullet of sealing, and the bottom is the structure that is provided with open-ended inner chamber, and connecting rod 17 and spring 15 are installed in this open-ended inner chamber.Connecting rod ball float 11 is connected with floating drum 7 bottoms, and the connecting rod of connecting rod ball float 11 is a tubular structure, and its tubular body wall is provided with at least one spiracle 10.Sliding sleeve 14 bottoms are the structure that external diameter diminishes, and form annular space between the lower shield 16, and spring 15 is installed in this annular space.Lower shield 16 is provided with inner convex platform, and spring 15 is mounted thereon.Described lower contact is equipped with ball seat 13 in 19 tops.Central tube 3 tops and sliding sleeve 14 bottoms are provided with at least one oil flow channel 4.
Sand separator 5 lower ends directly are equipped with ball float 21, in the lower shield 16, lower contact 19 upper ends, spring 15 lower ends are equipped with bottom support 23, sliding sleeve 14 lower ends are connected with lower center tube 22, sand separator 20 and comprise the steel ball assembly that moves about of taper connection cover 24, connecting rod 17 and steel ball 18 down in turn.Bottom support 23 upper ends are provided with interior step, and step upper end is provided with groove in this, and sliding sleeve 14 lower ends are provided with groove, and spring 15 is installed in these two grooves.
Claims (10)
1. but sand setting flushing valve, comprise top connection (1), central tube (3), sand separator (5), interior guard shield (6), floating drum (7), upper shield (8), transit joint (9), connecting rod ball float (11), jump ring (12), ball seat (13), sliding sleeve (14), spring (15), lower shield (16), connecting rod (17), steel ball (18), lower contact (19), it is characterized in that described top connection (1) outer in turn with transit joint (9), lower shield (16) is connected with lower contact (19), in the top connection (1) in turn with central tube (3), sand separator (5) is connected with interior guard shield (6), floating drum (7) is installed in the interior guard shield (6), floating drum (7) lower end is connected and installed with connecting rod ball float (11), sliding sleeve (14) and sand separator (5) are installed in the lower shield (16) in turn, following sand separator (20) is connected with connecting rod (17) and steel ball (18) in turn, and sliding sleeve (14) top is equipped with ball seat (13).
2. but sand setting flushing valve according to claim 1 is characterized in that the bullet structure of described sand separator (5) upper end for sealing, and the bottom is provided with the floating drum chamber, and the top ends of floating drum (7) is in wherein.
3. but sand setting flushing valve according to claim 1 and 2, it is characterized in that described sand separator (20) top down is the bullet of sealing, the bottom is the structure that is provided with open-ended inner chamber, and connecting rod (17) and spring (15) are installed in this open-ended inner chamber.
4. but sand setting flushing valve according to claim 1 and 2 is characterized in that described connecting rod ball float (11) is connected with floating drum (7) bottom, and the connecting rod of connecting rod ball float (11) is a tubular structure, and its tubular body wall is provided with at least one spiracle (10).
5. but sand setting flushing valve according to claim 1 is characterized in that described sliding sleeve (14) bottom is the structure that external diameter diminishes, and forms annular space between the lower shield (16), and spring (15) is installed in this annular space.
6. but sand setting flushing valve according to claim 1 or 5 is characterized in that described lower shield (16) is provided with inner convex platform, and spring (15) is mounted thereon.
7. but sand setting flushing valve according to claim 1 is characterized in that described lower contact (19) top is equipped with ball seat (13).
8. but sand setting flushing valve according to claim 1 is characterized in that institute central tube (3) top and sliding sleeve (14) bottom are provided with at least one oil flow channel (4).
9. but sand setting flushing valve according to claim 1, it is characterized in that described sand separator (5) lower end directly is equipped with ball float (21), in the lower shield (16), lower contact (19) upper end, spring (15) lower end be equipped with bottom support (23), sliding sleeve (14) lower end is connected with lower center tube (22), sand separator (20) and comprise the steel ball assembly that moves about of taper connection cover (24), connecting rod (17) and steel ball (18) down in turn.
10. but sand setting flushing valve according to claim 1 is characterized in that described bottom support (23) upper end is provided with interior step, and step upper end is provided with groove in this, and sliding sleeve (14) lower end is provided with groove, and spring (15) is installed in these two grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205108166U CN201786298U (en) | 2010-08-26 | 2010-08-26 | Well flushing valve capable of realizing sand settling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205108166U CN201786298U (en) | 2010-08-26 | 2010-08-26 | Well flushing valve capable of realizing sand settling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201786298U true CN201786298U (en) | 2011-04-06 |
Family
ID=43818265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205108166U Expired - Fee Related CN201786298U (en) | 2010-08-26 | 2010-08-26 | Well flushing valve capable of realizing sand settling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201786298U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464609A (en) * | 2015-12-21 | 2016-04-06 | 中国石油天然气股份有限公司 | Well washing valve |
| CN106437577A (en) * | 2016-10-17 | 2017-02-22 | 中国石油化工股份有限公司 | Inverse well flushing settlement switch |
| CN108678694A (en) * | 2018-05-22 | 2018-10-19 | 威海鸿通管材股份有限公司 | Flushing valve and oil production equipment |
-
2010
- 2010-08-26 CN CN2010205108166U patent/CN201786298U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464609A (en) * | 2015-12-21 | 2016-04-06 | 中国石油天然气股份有限公司 | Well washing valve |
| CN106437577A (en) * | 2016-10-17 | 2017-02-22 | 中国石油化工股份有限公司 | Inverse well flushing settlement switch |
| CN106437577B (en) * | 2016-10-17 | 2023-11-14 | 中国石油化工股份有限公司 | Reverse flushing well sedimentation switch |
| CN108678694A (en) * | 2018-05-22 | 2018-10-19 | 威海鸿通管材股份有限公司 | Flushing valve and oil production equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110406 Termination date: 20120826 |