CN204627473U - A kind of device for flushing pumping well - Google Patents
A kind of device for flushing pumping well Download PDFInfo
- Publication number
- CN204627473U CN204627473U CN201520141549.2U CN201520141549U CN204627473U CN 204627473 U CN204627473 U CN 204627473U CN 201520141549 U CN201520141549 U CN 201520141549U CN 204627473 U CN204627473 U CN 204627473U
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- China
- Prior art keywords
- packing
- runner
- cylindrical shell
- discharge orifice
- filter screen
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Abstract
The utility model discloses a kind of device for flushing pumping well, comprise cylindrical shell and be fixed on the fixed head on cylinder inboard wall, packing plate, the two ends up and down of cylindrical shell are connected to top connection, lower contact, through hole is had in the both sides of described fixed head, and the packing post being provided with band spring B is run through at the middle part of fixed head, forward runner is provided with at the two ends of described packing plate, and on forward runner lower end inner wall the hinged flow-stopping plate being provided with band spring A, the ring-shaped depression matched with flow-stopping plate movable end is circumferentially offered at described packing plate, the middle part of packing plate offers the reverse runner closed with packing column end matching form, described filter screen is fixed on the middle part of lower contact, and in lower contact, have two the first discharge orifice, the second discharge orifices tilted, and described first discharge orifice and the second discharge orifice are parallel to each other and lay respectively at the both sides up and down of filter screen.By the cleaning of forward and reverse cleaning fluid to oil well, ensure carrying out smoothly of oil mining.
Description
Technical field
The utility model relates to a kind of field of petroleum exploitation, specifically refers to a kind of device for flushing pumping well.
Background technology
In the recovery process of oil well, the extraction of the interference oil such as more chip, iron filings can be produced due to wellbore construction, therefore need lower tubular column to clean, when cover milling operation is carried out in oil field, have two kinds of methods.One method is: drive kelly bar, drilling rod, milling tools to rotate by machine carousel and carry out cover milling to down-hole object, the landwaste that cover milling goes out, iron filings bring it into outside pit shaft by hydraulic circulating system, hydraulic circulating system has direct circulation and reacting cycle two kinds of modes, circulation fluid is squeezed into by direct circulation exactly in kelly bar, drilling rod, milling tools, and the annular space through sleeve pipe and drilling rod returns out; Reacting cycle is exactly squeezed into by the annular space of circulation fluid from sleeve pipe and drilling rod, returns out in milling tools, drilling rod, kelly bar.Because direct circulation mode requires high to workover fluid and pump speed, deal with meeting bit freezing improperly, cause engineering accident, so General Requirements reacting cycle.But the High Pressure squeezed into during reacting cycle is sealed up certainly in the rotation of well head, and the self-styled pressure-bearing of current rotation is low, poor sealing performance, and application life is short, need often to change glue core, make its inefficiency, need to be close to pump when changing glue core, easily lock of tool drilling occurs.The another kind of method that oil field is carried out when overlapping milling operation is: adopt helicoid hydraulic motor to drive milling tools to rotate and carry out cover milling to down-hole object, because the screw rod in helicoid hydraulic motor is solid, can not adopt reacting cycle, the landwaste that cover milling goes out, iron filings can only take direct circulation mode to bring it into outside pit shaft.
Utility model content
The purpose of this utility model is to provide a kind of device for flushing pumping well, carries out forward and reverse cleaning fast to oil well.
The purpose of this utility model is achieved through the following technical solutions:
A kind of device for flushing pumping well, comprise cylindrical shell and be fixed on the fixed head on cylinder inboard wall, packing plate, the two ends up and down of cylindrical shell are connected to top connection, lower contact, through hole is had in the both sides of described fixed head, and the packing post being provided with band spring B is run through at the middle part of fixed head, forward runner is provided with at the two ends of described packing plate, and on forward runner lower end inner wall the hinged flow-stopping plate being provided with band spring A, the ring-shaped depression matched with flow-stopping plate movable end is circumferentially offered at described packing plate, the middle part of packing plate offers the reverse runner closed with packing column end matching form, also comprise filter screen, described filter screen is fixed on the middle part of lower contact, and in lower contact, have two the first discharge orifice, the second discharge orifices tilted, and described first discharge orifice and the second discharge orifice are parallel to each other and lay respectively at the both sides up and down of filter screen.
The utility model is when oil well carries out forward cleaning, the oil pipe of cleaning fluid through being connected with top connection is injected by cylindrical shell upper end high pressure, enter cleaning fluid in cylindrical shell to impact packing post and make that its spring B is stressed to be stretched, the end of packing post contacts with the reverse runner matched with it, and by its shutoff, cleaning fluid is then smoothly by through hole and forward runner, the flow-stopping plate be positioned on forward runner lower end inner wall is subject to impact equally makes spring A that compressive deformation occur, and around its pin joint generation circular motion, forward runner is opened completely, inclination liquid enters in sleeve pipe by cylindrical shell lower end, namely the matting of oil well being carried out to forward is started, simultaneously when the hydraulic pressure injecting cleaning fluid is excessive, for avoiding causing damage to filter screen, part cleaning fluid directly rushes shunting in the first discharge orifice and goes out, when oil well carries out reverse cleaning, cleaning fluid is injected to inner barrel by the lower end of cylindrical shell, the reverse runner of cleaning fluid frontal impact and forward runner, and the flow-stopping plate being positioned at forward flow field end be subject to impacting after on move, but cannot continue to rise under the restriction of ring-shaped depression inwall, and in reverse runner, because packing post is slidably arranged on fixed head, the impact of cleaning fluid makes packing post unrestrictedly rising one end distance, packing post can be realized and oppositely mutually depart between runner, cleaning fluid is injected in oil pipe by through hole, rubble in related cleaning fluid, the foreign material such as iron filings are discharged, and then realize the reverse cleaning of oil well,
Wherein in oil well backwash process, rubble in well or iron filings etc. can slip over inner barrel fast with cleaning fluid, certain scuffing is caused to each parts of inner barrel, at the middle part of lower contact, filter screen is installed, then can, by isolation such as rubble larger for diameter, chips, avoid causing damage to inner barrel; And, in well, liquid is when inner barrel is injected in lower contact place fast, the impact force that filter screen is subject to current is larger, be opened in the first discharge orifice in lower contact and the second discharge orifice can carry out shunting process to the liquid in sleeve pipe, and then reduce Liquid inject and the stress acted on filter screen is concentrated, improve the application life of filter screen.
The end cross-sectional of described packing post is 3/4ths circles.When oil well carries out reverse cleaning, the reverse runner of cleaning fluid frontal impact in sleeve pipe, once packing post and reverse runner depart from, the water then sprayed can be applied directly on the inwall of packing column end and cylindrical shell, certain damage is caused to cylindrical shell, the end of packing post is set to 3/4ths circles by the utility model, and oppositely runner and packing column end match, after cleaning fluid flows into reverse flow road, water column is shunted by the packing styletable face of circular arc, and the kinetic energy cushioned in branching process entrained by water column self, and then reduce the impact of water column to cylinder inboard wall and packing post, extend the application life of cylindrical shell.
Lower platen is fixed with in described packing post upper end.Carry out in the process of forward oil well cleaning, in the middle part of inner barrel cleaning fluid water column for its both sides, speed is lower, therefore when impacting packing post, if impact dynamics is less, the thorough sealing to reverse runner cannot be realized, and then make the liquid of cylindrical shell lower end proceed to inner barrel along backward channel, the utility model installs lower platen in the upper end of packing post, increase the contact area injecting cleaning fluid and packing post, the bottom of packing post is thoroughly contacted with reverse runner, ensures carrying out smoothly of oil well forward cleaning.
The utility model compared with prior art, has following advantage and beneficial effect:
1, cleaning fluid of the present utility model is injected to inner barrel by the lower end of cylindrical shell, the reverse runner of cleaning fluid frontal impact and forward runner, and the flow-stopping plate being positioned at forward flow field end be subject to impacting after on move, but cannot continue to rise under the restriction of ring-shaped depression inwall, and in reverse runner, because packing post is slidably arranged on fixed head, the impact of cleaning fluid makes packing post unrestrictedly rising one end distance, packing post can be realized and oppositely mutually depart between runner, cleaning fluid is injected in oil pipe by through hole, rubble in related cleaning fluid, the foreign material such as iron filings are discharged, and then realize the reverse cleaning of oil well,
2, the end of packing post is set to 3/4ths circles by the utility model, and oppositely runner and packing column end match, after cleaning fluid flows into reverse flow road, water column is shunted by the packing styletable face of circular arc, and the kinetic energy cushioned in branching process entrained by water column self, and then reduce the impact of water column to cylinder inboard wall and packing post, extend the application life of cylindrical shell;
3, the utility model installs lower platen in the upper end of packing post, increases the contact area injecting cleaning fluid and packing post, the bottom of packing post is thoroughly contacted with reverse runner, ensures carrying out smoothly of oil well forward cleaning.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the utility model embodiment, forms a application's part, does not form the restriction to the utility model embodiment.In the accompanying drawings:
Fig. 1 is the utility model structural representation;
Mark and corresponding component title in accompanying drawing:
1-top connection, 2-cylindrical shell, 3-lower platen, 4-through hole, 5-packing post, 6-forward runner, 7-flow-stopping plate, 8-spring A, 9-lower contact, 10-fixed head, 11-spring B, the reverse runner of 12-, 13-packing plate, 14-filter screen, 15-first discharge orifice, 16-second discharge orifice.
Detailed description of the invention
Clearly understand for making the purpose of this utility model, technical scheme and advantage, below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, exemplary embodiment of the present utility model and explanation thereof are only for explaining the utility model, and conduct is not to restriction of the present utility model.
Embodiment 1
As shown in Figure 1, the present embodiment comprises cylindrical shell 2 and is fixed on the fixed head 10 on cylindrical shell 2 inwall, packing plate 13, top connection 1 is connected at the two ends up and down of cylindrical shell 2, lower contact 9, through hole 4 is had in the both sides of described fixed head 10, and the packing post 5 being provided with band spring B 11 is run through at the middle part of fixed head 10, forward runner 6 is provided with at the two ends of described packing plate 13, and on forward runner 6 lower end inner wall the hinged flow-stopping plate 7 being provided with band spring A8, the ring-shaped depression matched with flow-stopping plate 7 movable end is circumferentially offered at described packing plate 13, the middle part of packing plate 13 offers the reverse runner 12 matched with packing post 5 end shape, also comprise filter screen 14, described filter screen 14 is fixed on the middle part of lower contact 9, and in lower contact 9, having two the first discharge orifice 15, second discharge orifices 16 tilted, described first discharge orifice 15 and the second discharge orifice 16 are parallel to each other and lay respectively at the both sides up and down of filter screen 14.
The utility model is when oil well carries out forward cleaning, cylindrical shell 2 is connected with oil pipe with lower contact 9 by top connection 1, by changing the installation site between cylindrical shell 2 and oil pipe, can clear up one by one the local paragraph of different depth in oil well, to ensure carrying out smoothly of well recovery operation, cleaning fluid is injected by cylindrical shell 2 upper end high pressure, enter cleaning fluid in cylindrical shell 2 to impact packing post 5 and make it spring B 11 is stressed to be stretched, the end of packing post 5 contacts with the reverse runner 12 matched with it, and by its shutoff, cleaning fluid is then smoothly by through hole 4 and forward runner 6, the flow-stopping plate 7 be positioned on forward runner 6 lower end inner wall is subject to impact equally makes spring A8 that compressive deformation occur, and around its pin joint generation circular motion, forward runner 6 is opened completely, inclination liquid enters in sleeve pipe by cylindrical shell 2 lower end, namely the matting of oil well being carried out to forward is started, when oil well carries out reverse cleaning, cleaning fluid is injected to cylindrical shell 2 inside by the lower end of cylindrical shell 2, the reverse runner 12 of cleaning fluid frontal impact and forward runner 6, and the flow-stopping plate 7 being positioned at forward runner 6 end be subject to impacting after on move, but cannot continue to rise under the restriction of ring-shaped depression inwall, and in reverse runner 12, because packing post 5 is slidably arranged on fixed head 10, the impact of cleaning fluid makes packing post 5 unrestricted rising one end distance, packing post 5 can be realized and oppositely mutually depart between runner 12, cleaning fluid is injected in oil pipe by through hole 4, rubble in related cleaning fluid, the foreign material such as iron filings are discharged, and then realize the reverse cleaning of oil well,
Wherein in oil well backwash process, it is inner that rubble in well or iron filings etc. can slip over cylindrical shell 2 fast with cleaning fluid, certain scuffing is caused to each parts of cylindrical shell 2 inside, at the middle part of lower contact 9, filter screen 14 is installed, then can, by isolation such as rubble larger for diameter, chips, avoid causing damage to cylindrical shell 2 inside; And, when in well, liquid injects cylindrical shell 2 inside fast through lower contact 9 place, the impact force that filter screen 14 is subject to current is larger, be opened in the first discharge orifice 15 in lower contact 9 and the second discharge orifice 16 can carry out shunting process to the liquid in sleeve pipe, and then reduce Liquid inject and the stress acted on filter screen 14 is concentrated, improve the application life of filter screen 14.
Carry out in the process of forward oil well cleaning, in the middle part of cylindrical shell 2 internal washing liquid water column for its both sides, speed is lower, therefore when impacting packing post 5, if impact dynamics is less, the thorough sealing to reverse runner 12 cannot be realized, and then it is inner to make the liquid of cylindrical shell 2 lower end proceed to cylindrical shell 2 along backward channel, the utility model installs lower platen 3 in the upper end of packing post 5, increase the contact area injecting cleaning fluid and packing post 5, the bottom of packing post 5 is thoroughly contacted with reverse runner 12, ensure carrying out smoothly of oil well forward cleaning.
As preferably, the end cross-sectional of described packing post 5 is 3/4ths circles.When oil well carries out reverse cleaning, the reverse runner 12 of cleaning fluid frontal impact in sleeve pipe, once packing post 5 and reverse runner 12 depart from, the water then sprayed can be applied directly on the inwall of packing post 5 end and cylindrical shell 2, certain damage is caused to cylindrical shell 2, the end of packing post 5 is set to 3/4ths circles by the utility model, and oppositely runner 12 and packing post 5 end match, after cleaning fluid flows into reverse flow road 12, water column is shunted by packing post 5 end face of circular arc, and the kinetic energy cushioned in branching process entrained by water column self, and then reduce the impact of water column to cylindrical shell 2 inwall and packing post 5, extend the application life of cylindrical shell 2.
Above-described detailed description of the invention; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only detailed description of the invention of the present utility model; and be not used in restriction protection domain of the present utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. a device for flushing pumping well, comprise cylindrical shell (2) and be fixed on the fixed head (10) on cylindrical shell (2) inwall, packing plate (13), top connection (1) is connected in two ends up and down at cylindrical shell (2), lower contact (9), it is characterized in that: have through hole (4) in the both sides of described fixed head (10), and the packing post (5) being provided with band spring B (12) is run through at the middle part of fixed head (10), forward runner (6) is provided with at the two ends of described packing plate (13), and hingedly on forward runner (6) lower end inner wall be provided with band spring A(8) flow-stopping plate (7), the ring-shaped depression matched with flow-stopping plate (7) movable end is circumferentially offered described packing plate (13), the middle part of packing plate (13) offers the reverse runner (12) matched with packing post (5) end shape, also comprise filter screen (14), described filter screen (14) is fixed on the middle part of lower contact (9), and in lower contact (9), having two the first discharge orifice (15), the second discharge orifices (16) tilted, described first discharge orifice (15) and the second discharge orifice (16) are parallel to each other and lay respectively at the both sides up and down of filter screen (14).
2. a kind of device for flushing pumping well according to claim 1, is characterized in that: the end cross-sectional of described packing post (5) is 3/4ths circles.
3. a kind of device for flushing pumping well according to claim 1 and 2, is characterized in that: be fixed with lower platen (3) in described packing post (5) upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520141549.2U CN204627473U (en) | 2015-03-13 | 2015-03-13 | A kind of device for flushing pumping well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520141549.2U CN204627473U (en) | 2015-03-13 | 2015-03-13 | A kind of device for flushing pumping well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204627473U true CN204627473U (en) | 2015-09-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520141549.2U Expired - Fee Related CN204627473U (en) | 2015-03-13 | 2015-03-13 | A kind of device for flushing pumping well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204627473U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747104A (en) * | 2015-03-13 | 2015-07-01 | 成都大漠石油机械有限公司 | Fast well washing device |
-
2015
- 2015-03-13 CN CN201520141549.2U patent/CN204627473U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747104A (en) * | 2015-03-13 | 2015-07-01 | 成都大漠石油机械有限公司 | Fast well washing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150909 Termination date: 20160313 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |