CN201747574U - Automatic oil draining type corrosion, scale and sand resisting pump - Google Patents
Automatic oil draining type corrosion, scale and sand resisting pump Download PDFInfo
- Publication number
- CN201747574U CN201747574U CN2010202742450U CN201020274245U CN201747574U CN 201747574 U CN201747574 U CN 201747574U CN 2010202742450 U CN2010202742450 U CN 2010202742450U CN 201020274245 U CN201020274245 U CN 201020274245U CN 201747574 U CN201747574 U CN 201747574U
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- CN
- China
- Prior art keywords
- sand
- pump barrel
- valve
- pump
- plunger
- 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
Links
- 239000004576 sand Substances 0.000 title claims abstract description 30
- 238000005260 corrosion Methods 0.000 title claims abstract description 11
- 230000007797 corrosion Effects 0.000 title abstract 3
- 230000007704 transition Effects 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000007790 scraping Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 9
- 239000012530 fluid Substances 0.000 description 8
- 239000003129 oil well Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model discloses an automatic oil draining type corrosion, scale and sand resisting pump. The pump comprises an upper connector (1), a short pump cylinder (2), a long plunger (3), a pump cylinder connector (4), an outer cylinder (5), an extension pump cylinder (6), a middle connector (7), a lower connector (8), a sand settling cylinder (9), a fixed valve (14) and a sand settling annular cavity (18). The utility model is characterized in that the sand settling cylinder (9) is fixed by the lower end of the outer cylinder (5) through the middle connector (7), a support sleeve (10) is arranged on the cavity inner bottom of the sand settling cylinder (9), the fixed valve (14) is arranged at the upper end of the support sleeve (10), and the sand settling annular cavity (18) is arranged between the inner wall of the sand settling cylinder (9) and the outer wall of the support sleeve (10); an oil drain hole (17) is arranged in the middle of the short pump cylinder (2), and a scale scraping ring (16) is arranged on the inner wall of the short pump cylinder (2). The automatic oil draining type corrosion, scale and sand resisting pump can prevent sand from blocking the plunger, prevent scale from burying the fixed valve, automatically drain oil and prevent oil from splashing on the ground and polluting environments.
Description
Technical field
The utility model relates to a kind of improvement of sand-proof oil-well pump, and is specifically a kind of from draining type anti-corrosion anti-scale sand-control pump.
Background technique
At present, employed long-plunger sand-proof oil-well pump in oilfield exploitation, long-plunger sand-proof oil-well pump as Chinese patent 95235086.6, its structure is made of long-plunger, pump barrel, urceolus, last delivery connection, following delivery connection, oiling valve, duplex fitting, guide ring, sand stop ring, sand setting ring cavity, last delivery connection, long-plunger, following delivery connection are connected to an integral body, the lower end and the duplex fitting of pump barrel connect as one, the upper end of urceolus is connected with upper connection, the lower end is connected with duplex fitting, forms the sand setting ring cavity between pump barrel and urceolus.Its deficiency is: can't carry out effective antiscale sand control to the fluid that enters pump chamber and handle, easily cause dirt, sand to bury the phenomenon of valve; Can not draining, the gas-tight effect is relatively poor.
Summary of the invention
The purpose of this utility model is to provide a kind of effectively antiscale sand control, avoids sand card plunger, dirt to bury standing valve, reduces wear; Automatically draining, but gas-tight again reduce gases affect, avoid gas lock, and intensity is big, pump efficiency is high from draining type anti-corrosion anti-scale sand-control pump.
For reaching above purpose, the technological scheme that the utility model adopted is: should be from draining type anti-corrosion anti-scale sand-control pump, comprise upper connection, short pump barrel, long-plunger, the pump barrel joint, urceolus, the lengthening pump barrel, transition joint, lower contact, sand-precipitating tube, standing valve and sand setting ring cavity, the upper end of urceolus is provided with upper connection, in urceolus, be provided with short pump barrel, pump barrel joint and lengthening pump barrel, short pump barrel is connected with the lengthening pump barrel by the pump barrel joint, long-plunger is located in short pump barrel and the lengthening pump barrel, it is characterized in that: the lower end of urceolus is by the fixing sand-precipitating tube of going up of transition joint, the lower end of sand-precipitating tube is connected with lower contact, bottom in the sand-precipitating tube chamber is provided with supporting sleeve, the upper end of supporting sleeve is provided with standing valve, the lower end is fixed on the top of lower contact, cavity between sand-precipitating tube inwall and the supporting sleeve outer wall is the sand setting ring cavity, be provided with the draining hole at the short pump barrel middle part, urceolus is provided with linked hole, on the inwall of short pump barrel, be provided with wiper ring, lower end at long-plunger is provided with lower travelling valve, and it is stifled that the bottom of lower travelling valve is provided with pilot valve.
The utility model is also implemented by following measure: described standing valve, constitute by standing valve cover, fixed valve ball and fixed valve base, and on the sidewall of standing valve cover, be provided with the side direction oil inlet hole.
Described wiper ring is provided with two, is located at the two ends of the inwall of short pump barrel respectively.
The upper end of described long-plunger is connected and fixed upper travelling valve by valve base joint.
Described upper travelling valve is made of upper traveling valve cage, upper travelling valve ball and upper travelling valve seat, and the upper travelling valve seat is fixed on the valve base joint.
Described lower travelling valve is made of lower travelling valve cover, lower travelling valve ball and lower travelling valve seat.
The beneficial effects of the utility model are: compare with the sand-proof oil-well pump of present use, effectively the antiscale sand control has avoided sand card plunger, dirt to bury standing valve, reduced wearing and tearing.Simultaneously, can when the inspection pump, realize automatic draining, avoid fluid to scatter ground, reduce the environmental pollution and the wasting of resources, be beneficial to operation.And gas-tight is effective, has reduced gases affect, has avoided gas lock, and intensity is big, pump efficiency is high, has prolonged working life.
Description of drawings
Fig. 1 is the structure cross-sectional schematic along central axis of the present utility model;
Fig. 2 analyses and observe enlarged diagram for wiper ring of the present utility model along the structure of central axis;
Among the figure: 1, upper connection; 2, short pump barrel; 3, long-plunger; 4, pump barrel joint; 5, urceolus; 6, lengthening pump barrel; 7, transition joint; 8 lower contacts; 9, sand-precipitating tube; 10, supporting sleeve; 11, pilot valve is stifled; 12, upper travelling valve; 13, lower travelling valve; 14, standing valve; 15, valve base joint; 16, wiper ring; 17, draining hole; 18, sand setting ring cavity; 19, side direction oil inlet hole; 20, linked hole.
Embodiment
Make the utility model with reference to accompanying drawing 1,2.Should be from draining type anti-corrosion anti-scale sand-control pump, comprise upper connection 1, short pump barrel 2, long-plunger 3, pump barrel joint 4, urceolus 5, lengthening pump barrel 6, transition joint 7, lower contact 8, sand-precipitating tube 9, standing valve 14 and sand setting ring cavity 18, the upper end of urceolus 5 is provided with upper connection 1, in urceolus 5, be provided with short pump barrel 2, pump barrel joint 4 and lengthening pump barrel 6, short pump barrel 2 is connected with lengthening pump barrel 6 by pump barrel joint 4, long-plunger 3 is located in short pump barrel 2 and the lengthening pump barrel 6, it is characterized in that: the lower end of urceolus 5 is by the transition joint 7 fixing sand-precipitating tubes 9 of going up, the lower end of sand-precipitating tube 9 is connected with lower contact 8, bottom in sand-precipitating tube 9 chambeies is provided with supporting sleeve 10, the upper end of supporting sleeve 10 is provided with standing valve 14, the lower end is fixed on the top of lower contact 8, cavity between sand-precipitating tube 9 inwalls and supporting sleeve 10 outer walls is a sand setting ring cavity 18, be provided with draining hole 17 at short pump barrel 2 middle parts, urceolus 5 is provided with linked hole 20, because short pump barrel 2 middle parts have draining hole 17, can adorn oil drainer in addition, on carry long-plunger 3 and go out pump barrel, by draining hole 17, linked hole 20 can be realized tubing and casing UNICOM, reach the draining purpose, on the inwall of short pump barrel 2, be provided with wiper ring 16, when long-plunger 3 moves up and down, wiper ring 16 can be with the dirt scraped clean that adheres on long-plunger 3 outer walls, it is totally smooth that the outer wall of assurance long-plunger 3 remains cleaning, be provided with lower travelling valve 13 in the lower end of long-plunger 3, the bottom of lower travelling valve 13 is provided with pilot valve stifled 11.
The upper end of described long-plunger 3 is connected and fixed upper travelling valve 12 by valve base joint 15.
Described upper travelling valve 12, constitute by upper traveling valve cage, upper travelling valve ball and upper travelling valve seat, the upper travelling valve seat is fixed on the valve base joint 15, the long-plunger structure makes upper traveling valve cage not enter pump barrel all the time, thereby be not subjected to the pump barrel size restrictions, the valve bonnet size can correspondingly strengthen, and the tensile strength height, area of passage is big, resistance is little, pump efficiency is high.
Described lower travelling valve 13 is made of lower travelling valve cover, lower travelling valve ball and lower travelling valve seat, and upper travelling valve 12 and lower travelling valve 13 belong to non-return valve, set when plunger is up, and liquid in the oil pipe is given rise to ground; Open when descending, pump chamber fluid enters oil pipe on the pump.
Described standing valve 14, constitute by standing valve cover, fixed valve ball and fixed valve base, on the sidewall of standing valve cover, be provided with side direction oil inlet hole 19, changed the axial fuel inlet hole structure of conventional standing valve cover, standing valve cover adopts side direction oil inlet hole structure, increased the space of sand setting ring cavity 18, the dirt that sinks in operation and the running (sand) can deposit in sand setting ring cavity 18, prevent that directly entering standing valve cover buries fixed valve ball, standing valve 14 belongs to non-return valve, it and the upper and lower valve that moves about are used, and open when plunger is up, and fluid is inhaled into pump chamber; Standing valve 14 set when plunger was descending, and pump chamber fluid enters oil pipe by the upper and lower valve that moves about, plunger endoporus.
Described wiper ring 16 is provided with two, be located at the two ends of the inwall of short pump barrel 2 respectively, in a work cycle, short pump barrel 2 is in mated condition with long-plunger 3 all the time, long-plunger 3 surfaces all will once scrape effect with the wiper ring 16 in the short pump barrel 2, thereby avoid long-plunger 3, short pump barrel 2 surface scales, the dirt, the sand that enter seal clearance simultaneously on a small quantity can deposit at this, avoid holddown or scratch matching trim.
When using the utility model, upper traveling valve cage links to each other with sucker rod, long-plunger 3 pumps with sucker rod, when upstroke, upper travelling valve 12, lower travelling valve 13 sealings, standing valve 14 is opened, and sleeve pipe fluid enters the pump chamber of long-plunger 3 bottoms by the side direction oil inlet hole 19 of supporting sleeve 10 endoporus, standing valve cover; When down stroke, standing valve 14 sealings, upper travelling valve 12, lower travelling valve 13 are opened, and long-plunger 3 bottom pump chamber inner fluids enter long-plunger 3 top pump chambers, and motion is just the extraction of well liquid and so forth; During draining, with proposing short pump barrel 2 on the long-plunger 3, by the draining hole 17 on the short pump barrel 2, the linked hole 20 on the urceolus 5, realization short pump barrel 2 is communicated with urceolus 5, short pump barrel 2 inner fluids is entered oil well, when preventing to carry pipe, take crude oil to ground, cause the environmental pollution and the wasting of resources.
Claims (3)
1. one kind from draining type anti-corrosion anti-scale sand-control pump, comprise upper connection (1), short pump barrel (2), long-plunger (3), pump barrel joint (4), urceolus (5), lengthening pump barrel (6), transition joint (7), lower contact (8), sand-precipitating tube (9), standing valve (14) and sand setting ring cavity (18), the upper end of urceolus (5) is provided with upper connection (1), in urceolus (5), be provided with short pump barrel (2), pump barrel joint (4) and lengthening pump barrel (6), short pump barrel (2) is connected with lengthening pump barrel (6) by pump barrel joint (4), long-plunger (3) is located in short pump barrel (2) and the lengthening pump barrel (6), it is characterized in that: the lower end of urceolus (5) is by the fixing sand-precipitating tube (9) of going up of transition joint (7), the lower end of sand-precipitating tube (9) is connected with lower contact (8), bottom in sand-precipitating tube (9) chamber is provided with supporting sleeve (10), the upper end of supporting sleeve (10) is provided with standing valve (14), the lower end is fixed on the top of lower contact (8), cavity between sand-precipitating tube (9) inwall and supporting sleeve (10) outer wall is sand setting ring cavity (18), be provided with draining hole (17) at short pump barrel (2) middle part, urceolus (5) is provided with linked hole (20), on the inwall of short pump barrel (2), be provided with wiper ring (16), be provided with lower travelling valve (13) in the lower end of long-plunger (3), the bottom of lower travelling valve (13) is provided with pilot valve stifled (11).
2. according to claim 1 from draining type anti-corrosion anti-scale sand-control pump, it is characterized in that: described standing valve (14), constitute by standing valve cover, fixed valve ball and fixed valve base, on the sidewall of standing valve cover, be provided with side direction oil inlet hole (19).
3. according to claim 1 from draining type anti-corrosion anti-scale sand-control pump, it is characterized in that: described wiper ring (16) is provided with two, is located at the two ends of the inwall of short pump barrel (2) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202742450U CN201747574U (en) | 2010-07-29 | 2010-07-29 | Automatic oil draining type corrosion, scale and sand resisting pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202742450U CN201747574U (en) | 2010-07-29 | 2010-07-29 | Automatic oil draining type corrosion, scale and sand resisting pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201747574U true CN201747574U (en) | 2011-02-16 |
Family
ID=43582253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202742450U Expired - Fee Related CN201747574U (en) | 2010-07-29 | 2010-07-29 | Automatic oil draining type corrosion, scale and sand resisting pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201747574U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397576A (en) * | 2019-06-13 | 2019-11-01 | 中国石油化工股份有限公司 | Oil well pump |
-
2010
- 2010-07-29 CN CN2010202742450U patent/CN201747574U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397576A (en) * | 2019-06-13 | 2019-11-01 | 中国石油化工股份有限公司 | Oil well pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shandong Weima pumps manufacturing Co. Assignor: Ma Baozhong Contract record no.: 2012370000123 Denomination of utility model: Automatic oil draining type corrosion, scale and sand resisting pump Granted publication date: 20110216 License type: Exclusive License Record date: 20120427 |
|
| ASS | Succession or assignment of patent right |
Owner name: SHANDONG WEIMA PUMPS MANUFACTURING CO., LTD. Free format text: FORMER OWNER: MA BAOZHONG Effective date: 20140514 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 271100 LAIWU, SHANDONG PROVINCE TO: 271199 LAIWU, SHANDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140514 Address after: 271199 intersection of Yuntai Mountain Road and Panlong River Street, Laiwu hi tech Zone, Shandong Patentee after: SHANDONG WEIMA PUMP MANUFACTURING CO., LTD. Address before: 271100 Shandong Province, Laiwu city high tech development zone plate dragon river Street No. 007 Shandong Weima pumps manufacturing Co. Patentee before: Ma Baozhong |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110216 Termination date: 20190729 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |