CN203906240U - Double-action oil suction pump - Google Patents
Double-action oil suction pump Download PDFInfo
- Publication number
- CN203906240U CN203906240U CN201420307217.2U CN201420307217U CN203906240U CN 203906240 U CN203906240 U CN 203906240U CN 201420307217 U CN201420307217 U CN 201420307217U CN 203906240 U CN203906240 U CN 203906240U
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- plunger
- valve
- pump
- oil
- small
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- Expired - Fee Related
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Abstract
The utility model provides a double-action oil suction pump. The double-action oil suction pump comprises a large pump oil inlet valve, a large pump cylinder, a large plunger oil outlet valve, a large plunger, a small plunger oil inlet valve, an annular oil inlet valve, a small pump cylinder, a small plunger and a flow mixing valve. The large pump oil inlet valve is connected with the large pump cylinder. The large pump cylinder is connected with the large plunger oil outlet valve. The large plunger oil outlet valve is connected with the large plunger. The large plunger is connected with the small plunger oil inlet valve. The small plunger oil inlet valve is connected with the small pump cylinder. The annular oil inlet valve is located on the two sides of the middle of the small pump cylinder. The small pump cylinder is connected with the small plunger and the flow mixing valve. The double-action oil suction pump is simple in structure, reliable in connection and convenient to use; the double-action oil suction pump can conduct operation immediately when used in cooperation with a connecting-tripping device, and therefore large-discharge-capacity exploitation is achieved, the discharge capacity is improved by 1.4 times to 1.7 times compared with a large-diameter oil suction pump of the same specification, and the pump efficiency is high; compared with a screw pump and an electric submersible pump, performance is reliable, the accident rate is low, and the effect of lowering energy consumption is remarkable for a single well.
Description
Technical field
The utility model is specifically related to a kind of double acting sucker rod pump.
Background technique
Most of at present just have technical measures such as all adopting screw pump oil production, the latent pump of large-discharge electric to exploit extract, but it is larger that these 2 kinds of modes all exist disposable input, accident rate is high, safeguard the problem that complexity and operating cost are high, especially electric submersible pump exploitation, not only early investment cost is large, and normal energy consumption is larger, be equivalent to 2 ~ 3 times of pumping unit, be not suitable with oil field energy saving consumption reduction, reduce individual well cost of production, improve the aim of Single Well Economic benefit.
Model utility content
The purpose of this utility model is for solving above-mentioned deficiency, and a kind of double acting sucker rod pump is provided.
The purpose of this utility model is achieved through the following technical solutions:
A kind of double acting sucker rod pump, comprise large oil pump inlet valve, large pump barrel, large plunger outlet valve, large plunger, small plunger oiling valve, annular space oiling valve, little pump barrel, small plunger and mixing valve, large oil pump inlet valve connects large pump barrel, large pump barrel connects large plunger outlet valve, large plunger outlet valve connects large plunger, and large plunger connects small plunger oiling valve, and small plunger oiling valve connects little pump barrel, annular space oiling valve is positioned at the both sides at little pump barrel middle part, and little pump barrel connects respectively small plunger and mixing valve.
The utility model also has some technical characteristicss like this:
1. the double acting sucker rod pump described in can be realized and in 1 reciprocal stroke, complete 2 oil extractions and oil-feed process.
2. the annular space oiling valve described in is provided with annular space oil-feed valve bonnet, and annular space oil-feed valve bonnet is streamline valve cover structure, and ball chamber adopts guiding rib structure.
3. the small plunger oiling valve described in is provided with small plunger oil-feed valve bonnet.
The utlity model has following useful effect:
The utility model is simple in structure, connect reliable, easy to use, support the use and can carry out operation and realize the exploitation of large discharge capacity with connecting-and-unconnecting device, than same specification large-diameter extraction oil pump capacity, improve 1.4 ~ 1.7 times, pump efficiency is high, compare with electric submersible pump with screw pump, reliable performance, accident rate is low, and it is remarkable that individual well reduces energy consumption effect.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is annular space oiling valve plan view of the present utility model;
Fig. 3 is annular space oiling valve side view of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described:
embodiment 1
A kind of double acting sucker rod pump, comprise large oil pump inlet valve 1, large pump barrel 2, large plunger outlet valve 3, large plunger 4, small plunger oiling valve 5, annular space oiling valve 6, little pump barrel 7, small plunger 8 and mixing valve 9, large oil pump inlet valve 1 connects large pump barrel 2, large pump barrel 2 connects large plunger outlet valve 3, large plunger outlet valve 3 connects large plunger 4, large plunger 4 connects small plunger oiling valve 5, small plunger oiling valve 5 connects little pump barrel 7, annular space oiling valve 6 is positioned at the both sides at little pump barrel 7 middle parts, little pump barrel 7 connects respectively small plunger 8 and mixing valve 9, described double acting sucker rod pump can be realized and in 1 reciprocal stroke, complete 2 oil extractions and oil-feed process, described annular space oiling valve 6 is provided with annular space oil-feed valve bonnet, annular space oil-feed valve bonnet is streamline valve cover structure, ball chamber adopts guiding rib structure, described small plunger oiling valve 5 is provided with small plunger oil-feed valve bonnet.
embodiment 2
Working principle: when down stroke, along with rod string is descending, large plunger diminishes with the lower active chamber volume that large pump barrel forms, pressure raises, large oil pump inlet valve cuts out, large plunger outlet valve is opened, and the crude oil of lower active chamber enters oil pipe through the traveling valve of small plunger upper end, and large pump completes oil extraction process.Meanwhile, along with large plunger is descending, the upper active chamber volume forming between small plunger and little pump barrel and large plunger and large 2 sealing pairs of pump barrel increases, pressure decreased, opens annular space oiling valve, and mixing valve is closed, the crude oil of oil jacket annular space enters active chamber, and little pump completes oil-feed process.When sucker rod drives plunger, arrive after bottom dead center, complete down stroke.
When upstroke, along with rod string is up, lower active chamber volume increases, pressure decreased, and at this moment oiling valve has been opened oil-absorbing process.Meanwhile, on small plunger, active chamber volume reduces, and pressure increases, and annular space oiling valve cuts out, and mixing valve is opened, and on small plunger, active chamber completes oil extraction process.
embodiment 3
Annular space oil-feed valve bonnet should guarantee that there are enough Flow areas in its inner cavity chamber, and sealing is reliable, so annular space valve bonnet is designed to streamline valve cover structure, ball chamber employing guiding rib structure, even under horizontal position, 0.5 MPa pressure condition, also can guarantee that valve ball closes in time; Valve ball opens and closes highly less, equals valve ball radius, can reduce valve ball opening and closing time; Can improve the degree of filling of pump chamber liquid, reduce valve ball and open and close the discharge capacity loss causing not in time.
Small plunger oil-feed valve bonnet mainly considers that small plunger maximum diameter should be less than large plunger diameter, and can by and large plunger between gap oil-feed; Oil discharge passage should be communicated with upper end long-plunger inner chamber, realizes fuel-displaced.Like this, the inner chamber that the oil discharge passage of top and bottom secondary oil well pump is communicated with by large and small plunger is realized.
Claims (4)
1. a double acting sucker rod pump, comprise large oil pump inlet valve, large pump barrel, large plunger outlet valve, large plunger, small plunger oiling valve, annular space oiling valve, little pump barrel, small plunger and mixing valve, it is characterized in that: large oil pump inlet valve connects large pump barrel, large pump barrel connects large plunger outlet valve, large plunger outlet valve connects large plunger, large plunger connects small plunger oiling valve, small plunger oiling valve connects little pump barrel, annular space oiling valve is positioned at the both sides at little pump barrel middle part, and little pump barrel connects respectively small plunger and mixing valve.
2. a kind of double acting sucker rod pump as claimed in claim 1, is characterized in that: described double acting sucker rod pump can be realized and in 1 reciprocal stroke, complete 2 oil extractions and oil-feed process.
3. a kind of double acting sucker rod pump as claimed in claim 1, is characterized in that: described annular space oiling valve is provided with annular space oil-feed valve bonnet, and annular space oil-feed valve bonnet is streamline valve cover structure, and ball chamber adopts guiding rib structure.
4. a kind of double acting sucker rod pump as claimed in claim 1, is characterized in that: described small plunger oiling valve is provided with small plunger oil-feed valve bonnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420307217.2U CN203906240U (en) | 2014-06-11 | 2014-06-11 | Double-action oil suction pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420307217.2U CN203906240U (en) | 2014-06-11 | 2014-06-11 | Double-action oil suction pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203906240U true CN203906240U (en) | 2014-10-29 |
Family
ID=51780525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420307217.2U Expired - Fee Related CN203906240U (en) | 2014-06-11 | 2014-06-11 | Double-action oil suction pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203906240U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673464A (en) * | 2016-04-26 | 2016-06-15 | 山东威马泵业股份有限公司 | Double-action oil well pump used for rodless oil extraction |
| CN106014910A (en) * | 2016-05-20 | 2016-10-12 | 东北石油大学 | Combined type double-acting rod type oil well pump and oil extraction method thereof |
| CN110617203A (en) * | 2019-10-28 | 2019-12-27 | 中国石油集团渤海石油装备制造有限公司 | Pump cylinder inverted suspension up-down stroke liquid inlet and outlet oil well pump |
| CN112196779A (en) * | 2020-09-11 | 2021-01-08 | 刘梁婧 | Double-acting oil well pump |
-
2014
- 2014-06-11 CN CN201420307217.2U patent/CN203906240U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673464A (en) * | 2016-04-26 | 2016-06-15 | 山东威马泵业股份有限公司 | Double-action oil well pump used for rodless oil extraction |
| CN106014910A (en) * | 2016-05-20 | 2016-10-12 | 东北石油大学 | Combined type double-acting rod type oil well pump and oil extraction method thereof |
| CN106014910B (en) * | 2016-05-20 | 2018-04-20 | 东北石油大学 | Combined type double acting rod-type pumping unit and its oil production method |
| CN110617203A (en) * | 2019-10-28 | 2019-12-27 | 中国石油集团渤海石油装备制造有限公司 | Pump cylinder inverted suspension up-down stroke liquid inlet and outlet oil well pump |
| CN110617203B (en) * | 2019-10-28 | 2024-06-11 | 中国石油天然气集团有限公司 | Pump cylinder inverted suspension up-down stroke liquid inlet and outlet oil pump |
| CN112196779A (en) * | 2020-09-11 | 2021-01-08 | 刘梁婧 | Double-acting oil well pump |
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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: 20141029 Termination date: 20150611 |
|
| EXPY | Termination of patent right or utility model |