CN204899817U - But well -flushing is prevented returning and is told control valve device - Google Patents
But well -flushing is prevented returning and is told control valve device Download PDFInfo
- Publication number
- CN204899817U CN204899817U CN201520604426.8U CN201520604426U CN204899817U CN 204899817 U CN204899817 U CN 204899817U CN 201520604426 U CN201520604426 U CN 201520604426U CN 204899817 U CN204899817 U CN 204899817U
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- CN
- China
- Prior art keywords
- control valve
- movable sleeve
- returning
- limited ring
- valve device
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- 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.)
- Withdrawn - After Issue
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Abstract
(B, ) the utility model relates to a sand return technical field is prevented to the oil -field flooding well, is a but well -flushing is prevented returning and is told control valve device, and it is including controlling valve cartridge, can dragging for head, movable sleeve, locking axle, seal, control valve cartridge upper portion inboard is equipped with first spacing ring platform, and the lower part inboard is equipped with second spacing ring platform, has the cavity between first spacing ring platform and the second spacing ring platform, can drag for the first lower part outside and the inboard fixed mounting in movable sleeve upper portion together, can drag for the head bottom and be equipped with and be conical top, there is the long through -hole that two positions and first spacing ring platform inner wall correspond at the movable sleeve middle part along circumference interval distribution. (B, ) (b) the utility model has the advantages of reasonable and compact structure, convenient to use, it is died to locking through locking board up end and cavity top, shop bolt and slot hole lock are downwards died, can drag for head, movable sleeve, locking axle and seal lock and die in control valve cartridge, can prevent effectively through seal and control valve cartridge that stratum sand from returning into oil pipe in to normal water injection makes packer setting. (B, )
Description
Technical field
the utility model relates to water injection well in oil fields preventing sand returning device technique field, is that anti-the returning of a kind of washing well tells control valve device.
Background technology
in sand return well, conventional flushing valve is after well stops note, and reservoir sand enters oil pipe by flushing valve, and blocking oil pipe, causes pulling blanking plug unsuccessful, affect normal water filling.
Summary of the invention
the utility model provides anti-the returning of a kind of washing well and tells control valve device, and overcome the deficiency of above-mentioned prior art, it effectively can solve reservoir sand and return in oil pipe, normally cannot note water problem.
the technical solution of the utility model is realized by following measures: anti-the returning of a kind of washing well tells control valve device, comprises control valve cylinder, can drag for head, movable sleeve, lock shaft, seal; Control valve cylinder upper inner and be provided with the first limited ring dais, lower inside is provided with the second limited ring dais, has cavity between the first limited ring dais and the second limited ring dais; A lower outside can be dragged for and movable sleeve upper inner is fixedly installed togather, can drag for bottom head and be provided with the top of tapered shape; Circumferentially be intervally distributed with the long through-hole that two positions are corresponding with the first limited ring dais inwall in the middle part of movable sleeve, side, movable sleeve bottom is radially provided with screw-threaded counterbore and is installed with shop bolt, and movable sleeve bottom inside is provided with the 3rd limited ring dais; Lock shaft comprises the thick axle and thin axle that are fixed together successively from top to bottom, groove is arranged at the top of thick axle, in groove, hinged being provided with can stretch out long through-hole a pair and the latch being stuck in cavity top, in the middle part of thick axle, outside is provided with the elongated hole mated with shop bolt, thick axle lower surface seat is on the 3rd limited ring dais upper surface, and thin axle lower outside and seal upper inner are fixedly installed togather; Seal bottom is provided with the first taper platform, and the first taper pedestal is on the upper surface of the second limited ring dais.
here is the further optimization and/or improvements to above-mentioned utility model technical scheme:
above-mentioned seal upper outside can be provided with at least twice annular groove be provided with sealing ring.
the upper surface of above-mentioned second limited ring dais can be the conical surface and match with the first taper platform.
the inwall of above-mentioned first limited ring dais can match with the outer wall of movable sleeve.
above-mentioned dragging for outside centriciput can be provided with annular boss, and annular boss lower surface seat is on movable sleeve upper surface.
above-mentioned latch upper surface can be high outside and low outside clinoplain.
the thin axle arranged on left and right sides of above-mentioned lock shaft can be provided with rectangle concave surface.
above-mentioned control valve cylinder upper inner can be provided with internal thread, controls valve cylinder lower inside and is provided with internal thread.
an above-mentioned top of dragging for can be provided with the second taper platform, has twice annular groove arranged side by side below the second taper platform.
the utility model reasonable and compact in structure, easy to use, its by latch upper surface and cavity top upwards locked, shop bolt and elongated hole are locked downwards, head, movable sleeve, lock shaft and seal can be dragged for locked in control valve cylinder, can effectively prevent reservoir sand from returning in oil inlet pipe by seal and control valve cylinder, thus normal water filling make packer setting.
Accompanying drawing explanation
accompanying drawing 1 is that the original state master of the utility model most preferred embodiment looks sectional structure schematic diagram.
accompanying drawing 2 is that the locking state master of the utility model most preferred embodiment looks sectional structure schematic diagram.
accompanying drawing 3 is the right TV structure schematic diagram of the lock shaft in accompanying drawing 1,2.
accompanying drawing 4 is that the A-A of accompanying drawing 3 is to section structure schematic diagram.
coding in accompanying drawing is respectively: 1 for controlling valve cylinder, and 2 for can drag for head, and 3 is movable sleeve, and 4 is lock shaft, 5 is seal, and 6 is the first limited ring dais, and 7 is the second limited ring dais, 8 is cavity, and 9 is top, and 10 is long through-hole, 11 is shop bolt, and 12 is the 3rd limited ring dais, and 13 is groove, 14 is latch, and 15 is elongated hole, and 16 is the first taper platform, 17 is the second taper platform, and 18 is sealing ring, and 19 is annular boss.
Detailed description of the invention
the utility model by the restriction of following embodiment, can not determine concrete embodiment according to the technical solution of the utility model and actual conditions.
in the utility model, for convenience of description, the description of the relative position relation of each parts is all be described according to the Butut mode of Figure of description, as: the position relationship of upper and lower, left and right etc. determines according to the Butut direction of Figure of description.
below in conjunction with embodiment and accompanying drawing, the utility model is further described:
as shown in accompanying drawing 1,2,3,4, this washing well is anti-return tell control valve device comprise control valve cylinder 1, can drag for 2, movable sleeve 3, lock shaft 4, seal 5; Control valve cylinder 1 upper inner and be provided with the first limited ring dais 6, lower inside is provided with between the second limited ring dais 7, first limited ring dais 6 and the second limited ring dais 7 cavity 8; 2 lower outside can be dragged for and movable sleeve 3 upper inner is fixedly installed togather, bottom 2 can be dragged for, be provided with top 9 of tapered shape; The long through-hole 10 that two positions are corresponding with the first limited ring dais 6 inwall is circumferentially intervally distributed with in the middle part of movable sleeve 3, side, movable sleeve 3 bottom is radially provided with screw-threaded counterbore and is installed with shop bolt 11, and movable sleeve 3 bottom inside is provided with the 3rd limited ring dais 12; Lock shaft 4 comprises the thick axle and thin axle that are fixed together successively from top to bottom, groove 13 is arranged at the top of thick axle, in groove 13, hinged being provided with can stretch out long through-hole 10 a pair and the latch 14 being stuck in cavity 8 top, in the middle part of thick axle, outside is provided with the elongated hole 15 mated with shop bolt 11, thick axle lower surface seat is on the 3rd limited ring dais 12 upper surface, and thin axle lower outside and seal 5 upper inner are fixedly installed togather; Seal 5 bottom is provided with the first taper platform 16, first taper platform 16 on the upper surface of the second limited ring dais 7.In use procedure, first the utility model to be connected in default pipeline, and G.I.H, after water filling, under pressure, can drag for 2 and movable sleeve 3 descending vertically.As shown in Figure 2, latch 14 points is allocated to both sides by top 9, and latch 14 passes long through-hole 10 and is stuck in cavity 8 top; Meanwhile, shop bolt 11 moves to elongated hole 15 bottom.Now, latch 14 upper surface and cavity 8 end face upwards locked, can drag for 2 and movable sleeve 3 can not on move; Shop bolt 11 is locked downwards with elongated hole 15, can drag for 2 and movable sleeve 3 can not move down; Thus make to drag for 2, movable sleeve 3, lock shaft 4 and seal 5 by locked in control valve cylinder 1, by seal 5 with control valve cylinder 1 and can effectively prevent reservoir sand from returning in oil inlet pipe, thus can normal water filling be carried out, pressure-bearing can make packer setting.Can drag for 2, after movable sleeve 3, lock shaft 4 and seal 5 dragged for out, by controlling valve cylinder 1, anti-flushing well operation can be carried out to this well.
can according to actual needs, anti-the returning of above-mentioned washing well is told control valve device and made further optimization and/or improvements:
as shown in accompanying drawing 1,2, above-mentioned seal 5 upper outside is provided with at least twice annular groove be provided with sealing ring 18.The sealing performance that can ensure seal 5 like this and control between valve cylinder 1.
as shown in accompanying drawing 1,2, the upper surface of above-mentioned second limited ring dais 7 is the conical surface and matches with the first taper platform 16.The bearing capacity controlling valve cylinder 1 is increased while contact surface can being protected like this.
as shown in accompanying drawing 1,2, the inwall of the first limited ring dais 6 and the outer wall of movable sleeve 3 match.Can prevent from dragging for 2 and movable sleeve 3 swing in control valve cylinder 1 like this.
as shown in accompanying drawing 1,2, above-mentioned drag for 2 in the middle part of outside be provided with annular boss 19, annular boss 19 lower surface seat is on movable sleeve 3 upper surface.Like this when water filling pressure-bearing, the fixed installation structure can dragged between 2 and movable sleeve 3 can not be damaged by hydraulic pressure.
as shown in accompanying drawing 1,2, latch 14 upper surface is high outside and low outside clinoplain, to reduce angle folded by itself and cavity 8 end face in the locked condition, increases coupling mechanism force.
as shown in accompanying drawing 1,2,3, the thin axle arranged on left and right sides of lock shaft 4 is provided with rectangle concave surface, and in the locked condition, it mates with limited ring dais 12 auxiliary locking function.
as shown in accompanying drawing 1,2, control valve cylinder 1 upper inner and be provided with internal thread, control valve cylinder 1 lower inside and be provided with internal thread.Be convenient to control valve cylinder 1 be like this connected with miscellaneous part.
as shown in accompanying drawing 1,2,2 top can be dragged for and be provided with the second taper platform 17, below the second taper platform 17, have twice annular groove arranged side by side, be convenient to drag for 2 like this and be connected with miscellaneous part.
above technical characteristic constitutes most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease non-essential technical characteristic according to actual needs, meet the demand of different situations.
Claims (10)
1. anti-the returning of washing well tells a control valve device, it is characterized in that comprising control valve cylinder, can dragging for head, movable sleeve, lock shaft, seal; Control valve cylinder upper inner and be provided with the first limited ring dais, lower inside is provided with the second limited ring dais, has cavity between the first limited ring dais and the second limited ring dais; A lower outside can be dragged for and movable sleeve upper inner is fixedly installed togather, can drag for bottom head and be provided with the top of tapered shape; Circumferentially be intervally distributed with the long through-hole that two positions are corresponding with the first limited ring dais inwall in the middle part of movable sleeve, side, movable sleeve bottom is radially provided with screw-threaded counterbore and is installed with shop bolt, and movable sleeve bottom inside is provided with the 3rd limited ring dais; Lock shaft comprises the thick axle and thin axle that are fixed together successively from top to bottom, groove is arranged at the top of thick axle, in groove, hinged being provided with can stretch out long through-hole a pair and the latch being stuck in cavity top, in the middle part of thick axle, outside is provided with the elongated hole mated with shop bolt, thick axle lower surface seat is on the 3rd limited ring dais upper surface, and thin axle lower outside and seal upper inner are fixedly installed togather; Seal bottom is provided with the first taper platform, and the first taper pedestal is on the upper surface of the second limited ring dais.
2. anti-the returning of washing well according to claim 1 tells control valve device, it is characterized in that seal upper outside is provided with at least twice annular groove be provided with sealing ring.
3. anti-the returning of washing well according to claim 1 tells control valve device, it is characterized in that the upper surface of the second limited ring dais is the conical surface and matches with the first taper platform; Or/and the inwall of the first limited ring dais and the outer wall of movable sleeve match.
4. anti-the returning of washing well according to claim 2 tells control valve device, it is characterized in that the upper surface of the second limited ring dais is the conical surface and matches with the first taper platform; Or/and the inwall of the first limited ring dais and the outer wall of movable sleeve match.
5. anti-the returning of the washing well according to claim 1 or 2 or 3 or 4 tells control valve device, it is characterized in that can dragging for outside centriciput being provided with annular boss, and annular boss lower surface seat is on movable sleeve upper surface.
6. anti-the returning of the washing well according to claim 1 or 2 or 3 or 4 tells control valve device, it is characterized in that latch upper surface is high outside and low outside clinoplain; Or/and the thin axle arranged on left and right sides of lock shaft is provided with rectangle concave surface.
7. anti-the returning of washing well according to claim 5 tells control valve device, it is characterized in that latch upper surface is high outside and low outside clinoplain; Or/and the thin axle arranged on left and right sides of lock shaft is provided with rectangle concave surface.
8. anti-the returning of the washing well according to claim 1 or 2 or 3 or 4 or 7 tells control valve device, it is characterized in that controlling valve cylinder upper inner is provided with internal thread, controls valve cylinder lower inside and is provided with internal thread; Or/and, a top can be dragged for and be provided with the second taper platform, below the second taper platform, have twice annular groove arranged side by side.
9. anti-the returning of washing well according to claim 5 tells control valve device, it is characterized in that controlling valve cylinder upper inner is provided with internal thread, controls valve cylinder lower inside and is provided with internal thread; Or/and, a top can be dragged for and be provided with the second taper platform, below the second taper platform, have twice annular groove arranged side by side.
10. anti-the returning of washing well according to claim 6 tells control valve device, it is characterized in that controlling valve cylinder upper inner is provided with internal thread, controls valve cylinder lower inside and is provided with internal thread; Or/and, a top can be dragged for and be provided with the second taper platform, below the second taper platform, have twice annular groove arranged side by side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520604426.8U CN204899817U (en) | 2015-08-12 | 2015-08-12 | But well -flushing is prevented returning and is told control valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520604426.8U CN204899817U (en) | 2015-08-12 | 2015-08-12 | But well -flushing is prevented returning and is told control valve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204899817U true CN204899817U (en) | 2015-12-23 |
Family
ID=54922003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520604426.8U Withdrawn - After Issue CN204899817U (en) | 2015-08-12 | 2015-08-12 | But well -flushing is prevented returning and is told control valve device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204899817U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089530A (en) * | 2015-08-12 | 2015-11-25 | 新疆华隆油田科技股份有限公司 | Flowback preventing control valve device capable of washing well |
| CN107869320A (en) * | 2016-09-23 | 2018-04-03 | 中国石油化工股份有限公司 | Anti- return of one kind tells flushing valve |
| CN109252834A (en) * | 2017-07-13 | 2019-01-22 | 中国石油化工股份有限公司 | The concentric long-acting layered water filler of binary channels and method |
-
2015
- 2015-08-12 CN CN201520604426.8U patent/CN204899817U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089530A (en) * | 2015-08-12 | 2015-11-25 | 新疆华隆油田科技股份有限公司 | Flowback preventing control valve device capable of washing well |
| CN105089530B (en) * | 2015-08-12 | 2017-11-14 | 新疆华隆油田科技股份有限公司 | Anti- return of washing well tells control valve gear |
| CN107869320A (en) * | 2016-09-23 | 2018-04-03 | 中国石油化工股份有限公司 | Anti- return of one kind tells flushing valve |
| CN109252834A (en) * | 2017-07-13 | 2019-01-22 | 中国石油化工股份有限公司 | The concentric long-acting layered water filler of binary channels and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151223 Effective date of abandoning: 20171114 |