CN201666245U - Anti-fouling and sand-proof oil pump - Google Patents
Anti-fouling and sand-proof oil pump Download PDFInfo
- Publication number
- CN201666245U CN201666245U CN2010201468482U CN201020146848U CN201666245U CN 201666245 U CN201666245 U CN 201666245U CN 2010201468482 U CN2010201468482 U CN 2010201468482U CN 201020146848 U CN201020146848 U CN 201020146848U CN 201666245 U CN201666245 U CN 201666245U
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- plunger
- pump
- sand
- valve
- proof oil
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Abstract
The utility model relates to an anti-fouling and sand-proof oil pump, consisting of a fixed valve ball and a valve seat 1, a fixed valve cover 2, a connecting hoop 3 arranged at the lower part of a pump cylinder, a pump cylinder 4, a plunger valve seat pipe plug 5, a movable valve ball and a valve seat 6, a valve cover 7 arranged at the lower part of the piston, a central pipe 8, a chip scraping ring 9, a valve cover 10 arranged at the upper part of the piston, an opening plunger 11, a pulling rod 12, and a special-diameter connecting hoop 13 arranged at the upper part of the pump cylinder, wherein the opening plunger 11 is connected with the central pipe by the valve cover 10 arranged at the upper part of the plunger; the external surface of the central pipe 10 is provided with an annular groove that is internally provided with the chip scraping ring 9; under the well situation with scale and sands appearing, the anti-fouling and sand-proof oil pump can effectively inhibit the clamping phenomenon between the plunger and the pump cylinder dirt. The anti-fouling and sand-proof oil pump is mainly applied to mechanical oil extraction under the well condition with scale and sands appearing, and has the advantages of improving the efficiency of pumping, effectively preventing the pump clamping phenomenon from occurring, and the like, can prolong the maintenance period of the oil pump to the maximum extent, and reduce the production cost of the oil field.
Description
Technical field
The utility model relates to oil-field oil pumper oil recovery technique field, especially a kind of novel antiscale sand-proof oil-well pump.
Background technique
The oil well pump that existing oilfield uses; plunger in the pump barrel is common plunger; containing dirt; contain in the recovery process of sand oil recovery well; owing to contain a large amount of sand and dirt in the extraction liquid; when plunger pumps in pump barrel; the meeting that can not wall exempt from gap in the oil well pump system between pump barrel and the plunger enters dirt grain or sand grains; easy like this plunger and pump barrel are caused wearing and tearing; when serious; the stuck phenomenon of pump barrel and plunger can take place; reduce the pump detection period of oil well pump, thereby brought adverse effect for the ordinary production of oil well, seriously restricted the benefit of oil field development.
The model utility content
The utility model provides a kind of novel antiscale sand-proof oil-well pump that can prevent effectively that the holddown phenomenon from taking place.
Novel antiscale sand-proof oil-well pump provided by the utility model, contain standing valve ball and valve seat, the standing valve cover of fixedlying connected with standing valve ball and valve seat upper end, the pump barrel bottom box cupling that is connected with standing valve cover, pump barrel, be arranged at the inside pull bar of pump barrel inside, the plunger upper part valve bonnet that is connected with inner pull bar, be arranged at the open plunger of pump barrel inwall, the plunger bottom valve bonnet that center tube that is connected with the plunger upper part valve bonnet and center tube bottom connect successively, travelling valve ball and valve seat, plunger valve seat pipe close, in center tube outer wall design annular groove is arranged, what be equipped with in the annular groove that nonmetallic material make scrapes the bits ring.
Preferably, the lower end of pump barrel is connected with the upper end of pump barrel bottom box cupling.
Preferably, inner pull bar is connected with plunger upper part valve bonnet top.
Preferably, open plunger is connected with center tube by the plunger upper part valve bonnet.
Preferably, the open plunger upper end open, the opening inwall has chamfering structure.
Preferably, the open plunger lower end is connected with the plunger upper part valve bonnet.
Advantage of the present utility model is: carry out antiscale and sand control by two-part, the one: the open plunger upper end on top is designed to upper opening and chamfering structure, can at utmost reduce a sedimentation sand grains and a dirt possibility that enters plunger and pump barrel seal clearance; The 2nd: utilize nonmetal scraping ring structure, the pump barrel inwall is carried out the scraping of full stroke contact-type, effectively stop sand and formation and the accumulation of dirt at the pump barrel inwall, thereby effectively improve this oil well pump to shake out, the adaptability of fouling oil well, reach the purpose that prolongs pump detection period, simultaneously also improve pump efficiency, reduced cost of production.Be specially adapted to the lifting that contains sand, contain dirty oil well produced liquid.
Figure of description
Fig. 1 is the utility model structural representation.
Mark among the figure: 1-standing valve ball and valve seat; The 2-standing valve cover; 3-pump barrel bottom box cupling; The 4-pump barrel; 5-plunger valve seat pipe close; 6-travelling valve ball and valve seat; 7-plunger bottom valve bonnet; The 8-center tube; 9-scrapes the bits ring; 10-plunger upper part valve bonnet; The 11-open plunger; The 12-pull bar; 13-pump barrel top adapter coupling.
Embodiment
Understand and enforcement the utility model for the ease of those of ordinary skills, the utility model is described in further detail below in conjunction with the drawings and the specific embodiments.
As shown in Figure 1, the antiscale sand-proof oil-well pump contains standing valve ball and valve seat 1, standing valve cover 2, pump barrel bottom box cupling 3, pump barrel 4, inner pull bar 12, plunger upper part valve bonnet 10, open plunger 11, center tube 8, plunger bottom valve bonnet 7, travelling valve ball and valve seat 6, plunger valve seat pipe close 5, wherein, standing valve ball and valve seat 1 are positioned at whole device bottom, its top is connected with standing valve cover 2, and what be connected with standing valve cover 2 is pump barrel bottom box cupling 3.Whole device has a pump barrel 4, and its lower end is connected with pump barrel bottom box cupling 3, and the upper end of pump barrel 4 is fixedly connected with pump barrel top adapter coupling 13.In the inside of pump barrel 4 an inner pull bar 12 is arranged, the top that it is positioned at whole device is used to spur oil well pump, and plunger upper part valve bonnet 10 is connected with inner pull bar 12.The inwall of pump barrel 4 is provided with open plunger 11, the lower end is connected with plunger upper part valve bonnet 10, below plunger upper part valve bonnet 10, be connected with center tube 8, plunger bottom valve bonnet 7, travelling valve ball and valve seat 6 and plunger valve seat pipe close 5 in turn, center tube 8 outer surfaces designs has annular groove, and what be equipped with in the annular groove that nonmetallic material make scrapes bits ring 9.
Working method of the present utility model is such, and in the oil well pump work, during upstroke, open plunger 11 forms sealing with pump barrel 4, and the opening of open plunger 11 makes progress, and top is chamfering structure, can prevent effectively that like this sand and dirt from entering seal clearance; Simultaneously, in upstroke and down stroke, along with pumping of open plunger 11, can in the annular groove of center tube 8, form pressure reduction, scraping ring 9 is under the effect of this pressure reduction, the pump barrel inwall is carried out the scraping of full stroke contact-type, can effectively prevent formation and the accumulation of dirt and sand like this at the pump barrel inwall.Usually, pump barrel 4 and open plunger 11 Structural Hardwares, and scraping ring 9 usefulness nonmetallic material are made, and can reduce the destruction of 9 pairs of pump barrel 4 inwalls of scraping ring like this.
Antiscale sand-proof oil-well pump of the present utility model avoided sand and formation and the accumulation of dirt at the pump barrel inwall effectively, avoided sand and dirt to enter in the annular space of plunger and pump barrel and the holddown accident that causes, and improved the utilization efficiency of pump, prolonged the working life of pump.
The embodiment of the above is a better embodiment of the present utility model; be not to limit concrete practical range of the present utility model with this; scope of the present utility model comprises and is not limited to this embodiment, and the equivalence that all shapes according to the utility model, structure are done changes and all comprises in the protection domain of the present utility model.
Claims (6)
1. antiscale sand-proof oil-well pump, contain standing valve ball and valve seat (1), the standing valve cover (2) of fixedlying connected with standing valve ball and valve seat (1) upper end, the pump barrel bottom box cupling (3) that is connected with standing valve cover (2), pump barrel (4), be arranged at the inner inside pull bar (12) of pump barrel (4), the plunger upper part valve bonnet (10) that is connected with inner pull bar (12), be arranged at the open plunger (11) of pump barrel (4) inwall, the plunger bottom valve bonnet (7) that center tube (8) that is connected with plunger upper part valve bonnet (10) and center tube (8) bottom connect successively, travelling valve ball and valve seat (6), plunger valve seat pipe close (5), it is characterized in that: described center tube (8) outer surface design has annular groove, and what be equipped with in the annular groove that nonmetallic material make scrapes bits rings (9).
2. antiscale sand-proof oil-well pump according to claim 1 is characterized in that: the lower end of described pump barrel (4) is connected with the upper end of described pump barrel bottom box cupling (3).
3. antiscale sand-proof oil-well pump according to claim 1 is characterized in that: described inner pull bar (12) is connected with described plunger upper part valve bonnet (10) top.
4. antiscale sand-proof oil-well pump according to claim 1 is characterized in that: described open plunger (11) is connected with described center tube (8) by described plunger upper part valve bonnet (10).
5. according to the described antiscale sand-proof oil-well pump of one of claim 1-4, it is characterized in that: described open plunger (11) upper end open, the opening inwall has chamfering structure.
6. antiscale sand-proof oil-well pump according to claim 5 is characterized in that: described open plunger (11) lower end is connected with described plunger upper part valve bonnet (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201468482U CN201666245U (en) | 2010-03-26 | 2010-03-26 | Anti-fouling and sand-proof oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201468482U CN201666245U (en) | 2010-03-26 | 2010-03-26 | Anti-fouling and sand-proof oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201666245U true CN201666245U (en) | 2010-12-08 |
Family
ID=43267205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201468482U Expired - Fee Related CN201666245U (en) | 2010-03-26 | 2010-03-26 | Anti-fouling and sand-proof oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201666245U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758761A (en) * | 2012-07-18 | 2012-10-31 | 中国石油天然气股份有限公司 | Chemical combination flooding scale-deposition antiscale oil well pump |
| CN104612945A (en) * | 2014-12-31 | 2015-05-13 | 山东九环石油机械有限公司 | Antiscale oil pumping system for three-component compound flooding well |
| CN116557305A (en) * | 2023-06-05 | 2023-08-08 | 唐山职业技术学院 | Permanent magnet synchronous motor direct-driven oil-submerged pump |
| CN117404290A (en) * | 2023-11-24 | 2024-01-16 | 大庆冬青技术开发有限公司 | Submersible electric drive mixing pump |
-
2010
- 2010-03-26 CN CN2010201468482U patent/CN201666245U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758761A (en) * | 2012-07-18 | 2012-10-31 | 中国石油天然气股份有限公司 | Chemical combination flooding scale-deposition antiscale oil well pump |
| CN104612945A (en) * | 2014-12-31 | 2015-05-13 | 山东九环石油机械有限公司 | Antiscale oil pumping system for three-component compound flooding well |
| CN116557305A (en) * | 2023-06-05 | 2023-08-08 | 唐山职业技术学院 | Permanent magnet synchronous motor direct-driven oil-submerged pump |
| CN116557305B (en) * | 2023-06-05 | 2024-03-26 | 唐山职业技术学院 | Permanent magnet synchronous motor direct-driven oil-submerged pump |
| CN117404290A (en) * | 2023-11-24 | 2024-01-16 | 大庆冬青技术开发有限公司 | Submersible electric drive mixing pump |
| CN117404290B (en) * | 2023-11-24 | 2024-05-03 | 大庆冬青技术开发有限公司 | Submersible electric drive mixing pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Wang Yulei Document name: Notification to Pay the Fees |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101208 Termination date: 20140326 |