CN201908814U - Two-stage pump cylinder and two-stage plunger piston combined pump cylinder pipe type pump - Google Patents
Two-stage pump cylinder and two-stage plunger piston combined pump cylinder pipe type pump Download PDFInfo
- Publication number
- CN201908814U CN201908814U CN2010202189867U CN201020218986U CN201908814U CN 201908814 U CN201908814 U CN 201908814U CN 2010202189867 U CN2010202189867 U CN 2010202189867U CN 201020218986 U CN201020218986 U CN 201020218986U CN 201908814 U CN201908814 U CN 201908814U
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- pump barrel
- pump
- travelling valve
- stage
- oil
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- Expired - Fee Related
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- Details Of Reciprocating Pumps (AREA)
Abstract
A two-stage pump cylinder and two-stage plunger piston combined pump cylinder pipe type pump is a device in oil well production, overcomes the defects of other devices, and is formed through the connection of upper and lower stages pump cylinders and upper and lower stages plunger pistons. The two-stage pump cylinder and two-stage plunger piston combined pump cylinder pipe type pump has the significance that as two-stage pump cylinders and two-stage plunger pistons are adopted, the corresponding positions of the plunger pistons can be adjusted as required by the oil well operation, and the oil pumping discharge amount can be adjusted without the need of replacing the pump, thereby saving the cost of oil extraction and improving the working efficiency of oil extraction.
Description
One, technical field: the utility model relates to a kind of device in the oil well production, especially twin-stage pump barrel, twin-stage plunger unipump tube tubing pump (abbreviation oil well pump).
Two, background technique: the oil well pump that oil well production operation is at present adopted, owing to be single-stage pump barrel, single-stage plunger, when needing to regulate the oil pumping amount, only stop to produce, changing oil well pump could solve, and manufacturing efficiency is low, the operating cost height.
Three, summary of the invention: the purpose of this utility model provides twin-stage pump barrel, the twin-stage plunger unipump tube tubing pump that can regulate discharge capacity.It has overcome the shortcoming that other technology exists, the purpose of this utility model is to realize like this, it is by twin-stage pump barrel up and down, the twin-stage plunger is formed by connecting, last pump barrel is by pull bar, helmet, check nut, the pump barrel box cupling, last oil-release valve cover, the upper travelling valve seat, upper travelling valve seated connection head, plunger, pump barrel, urceolus, the lower travelling valve cover, the lower travelling valve seat, lower travelling valve seated connection head, check nut, the pump barrel box cupling, intermediate draw bar, box cupling and oil pipe are formed by connecting, plunger is positioned at the centre of pump barrel and is connected with pull bar, and urceolus is connected with the pump barrel box cupling respectively with the two ends of pump barrel; The pump barrel box cupling above helmet is arranged; Check nut is connected with last oil-release valve cover, and last oil-release valve cover is positioned at the upper end of pump barrel and is enclosed within on the pull bar, and the upper travelling valve seat is positioned at the upper end of pump barrel and is connected with upper travelling valve seated connection head, and ball valve is arranged in the middle of last oil-release valve cover and the upper travelling valve seat; The lower travelling valve cover is positioned at the pump barrel lower end and is enclosed within on the pull bar, and the lower travelling valve seat is positioned at the lower end of pump barrel and is connected with lower travelling valve seated connection head, and ball valve is arranged in the middle of lower travelling valve cover and the lower travelling valve seat; Check nut is connected with pipe pump box cupling, and box cupling is arranged below intermediate draw bar; Pull bar is positioned at oil pipe.
Following pump barrel is formed by connecting by pump barrel box cupling, intermediate draw bar, check nut, last oil-release valve cover, upper travelling valve seat, upper travelling valve seated connection head, plunger, pump barrel, urceolus, lower travelling valve cover, lower travelling valve seat, lower travelling valve seated connection head and pump barrel box cupling, plunger is positioned at pump barrel and is connected with intermediate draw bar, and urceolus is connected with the pump barrel box cupling respectively with the two ends of pump barrel; Check nut is connected with last oil-release valve cover, and last oil-release valve cover is positioned at the upper end of pump barrel and is enclosed within on the intermediate draw bar, and the upper travelling valve seat is positioned at the upper end of pump barrel and is connected with upper travelling valve seated connection head, and ball valve is arranged in the middle of last oil-release valve cover and the upper travelling valve seat; The lower travelling valve cover is positioned at the pump barrel lower end and is enclosed within on the intermediate draw bar, and the lower travelling valve seat is positioned at the lower end of pump barrel and is connected with lower travelling valve seated connection head, and ball valve is arranged in the middle of lower travelling valve cover and the lower travelling valve seat.
Working principle: plunger links to each other with sucker rod, and pump barrel links to each other with oil pipe and is installed in the well, and plunger pumps in pump barrel under the drive of pull bar.Finish the lifting of liquid in the well.
Meaning of the present utility model:, can adjust the corresponding position of plunger according to the needs of oil well production owing to carried out twin-stage pump barrel, twin-stage plunger, need not change pump and just can realize regulating the purpose of oil pumping discharge capacity, high working efficiency has been saved the oil producing operation cost, has improved the performance of enterprises.
Four, description of drawings: Fig. 1 is the last pump barrel work structuring schematic representation in the unipump tube tubing pump, among the figure 1, pull bar 2, helmet 3, check nut 4, pump barrel box cupling 5, go up oil-release valve cover 6, upper travelling valve seat 7, upper travelling valve seated connection head 8, plunger 9, pump barrel 10, urceolus 11, lower travelling valve cover 12, lower travelling valve seat 13, lower travelling valve seated connection head 14, check nut 15, pump barrel box cupling 16, intermediate draw bar 17, box cupling 18, oil pipe
Fig. 2 is the following pump barrel work structuring schematic representation in the unipump tube tubing pump, among the figure 3, check nut 4, pump barrel box cupling 5, go up oil-release valve cover 6, upper travelling valve seat 7, upper travelling valve seated connection head 8, plunger 9, pump barrel 10, urceolus 11, lower travelling valve cover 12, lower travelling valve seat 13, lower travelling valve seated connection head 15, pump barrel box cupling 16, intermediate draw bar
Five, embodiment: in Fig. 1, plunger 8 is positioned at the centre of pump barrel 9 and is connected with pull bar 1, and urceolus 10 is connected with pump barrel box cupling 15 with pump barrel box cupling 4 respectively with the two ends of pump barrel 9; Pump barrel box cupling 4 above helmet 2 is arranged; Check nut 3 is connected with last oil-release valve cover 5, and last oil-release valve cover 5 is positioned at the upper end of pump barrel 9 and is enclosed within on the pull bar 1, and upper travelling valve seat 6 is positioned at the upper end of pump barrel 9 and is connected with upper travelling valve seated connection head 7, in the middle of last oil-release valve cover 5 and the upper travelling valve seat 6 ball valve is arranged; Lower travelling valve cover 11 is positioned at pump barrel 9 lower ends and is enclosed within on the pull bar 1, and lower travelling valve seat 12 is positioned at the lower end of pump barrel 9 and is connected with lower travelling valve seated connection head 13, in the middle of lower travelling valve cover 11 and the lower travelling valve seat 12 ball valve is arranged; Check nut 14 is connected with pipe pump box cupling 15, and box cupling 17 is arranged below intermediate draw bar 16; Intermediate draw bar 16 is positioned at oil pipe 18.
Among Fig. 2, plunger 8 is positioned at the centre of pump barrel 9 and is connected with intermediate draw bar 16, and urceolus 10 is connected with pump barrel box cupling 15 with pump barrel box cupling 4 respectively with the two ends of pump barrel 9; Check nut 3 is connected with last oil-release valve cover 5, last oil-release valve cover 5 is positioned at the upper end of pump barrel 9 and is enclosed within on the intermediate draw bar 16, upper travelling valve seat 6 is positioned at the upper end of pump barrel 9 and is connected with upper travelling valve seated connection head 7, in the middle of last oil-release valve cover 5 and the upper travelling valve seat 6 ball valve is arranged; Lower travelling valve cover 11 is positioned at pump barrel 9 lower ends and is enclosed within on the intermediate draw bar 16, and lower travelling valve seat 12 is positioned at the lower end of pump barrel 9 and is connected with lower travelling valve seated connection head 13, in the middle of lower travelling valve cover 11 and the lower travelling valve seat 12 ball valve is arranged.
Claims (6)
1. unipump tube tubing pump, it is by upper and lower twin-stage pump barrel, and upper and lower twin-stage plunger is formed by connecting, its structure characteristic is: in last pump barrel, plunger (8) is positioned at the centre of pump barrel (9) and is connected with pull bar (1), and urceolus (10) is connected with pump barrel box cupling (15) with pump barrel box cupling (4) respectively with the two ends of pump barrel (9); Pump barrel box cupling (4) above helmet is arranged; Check nut (3) is connected with last oil-release valve cover (5); Check nut (14) is connected with pipe pump box cupling (15), and box cupling (17) is arranged below intermediate draw bar (16); Intermediate draw bar (16) is positioned at oil pipe (18).
2. a kind of unipump tube tubing pump according to claim 1, it is characterized in that: upward oil-release valve cover (5) is positioned at the upper end of pump barrel (9) and is enclosed within on the pull bar (1), upper travelling valve seat (6) is positioned at the upper end of pump barrel (9) and is connected with upper travelling valve seated connection head (7), and ball valve is arranged in the middle of last oil-release valve cover (5) and the upper travelling valve seat (6).
3. a kind of unipump tube tubing pump according to claim 1, it is characterized in that: lower travelling valve cover (11) is positioned at pump barrel (9) lower end and is enclosed within on the pull bar (1), lower travelling valve seat (12) is positioned at the lower end of pump barrel (9) and is connected with lower travelling valve seated connection head (13), and ball valve is arranged in the middle of lower travelling valve cover (11) and the lower travelling valve seat (12).
4. a kind of unipump tube tubing pump according to claim 1, it is characterized in that: in following pump barrel, plunger (8) is positioned at the centre of pump barrel (9) and is connected with intermediate draw bar (16), and urceolus (10) is connected with pump barrel box cupling (15) with pump barrel box cupling (4) respectively with the two ends of pump barrel (9); Check nut (3) is connected with last oil-release valve cover (5).
5. according to claim 1 or 4 described a kind of unipump tube tubing pumps, it is characterized in that: upward oil-release valve cover (5) is positioned at the upper end of pump barrel (9) and is enclosed within on the intermediate draw bar (16), upper travelling valve seat (6) is positioned at the upper end of pump barrel (9) and is connected with upper travelling valve seated connection head (7), and ball valve is arranged in the middle of last oil-release valve cover (5) and the upper travelling valve seat (6).
6. according to claim 1 or 4 described a kind of unipump tube tubing pumps, it is characterized in that: lower travelling valve cover (11) is positioned at pump barrel (9) lower end and is enclosed within on the intermediate draw bar (16), lower travelling valve seat (12) is positioned at the lower end of pump barrel (9) and is connected with lower travelling valve seated connection head (13), and ball valve is arranged in the middle of lower travelling valve cover (11) and the lower travelling valve seat (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202189867U CN201908814U (en) | 2010-06-09 | 2010-06-09 | Two-stage pump cylinder and two-stage plunger piston combined pump cylinder pipe type pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202189867U CN201908814U (en) | 2010-06-09 | 2010-06-09 | Two-stage pump cylinder and two-stage plunger piston combined pump cylinder pipe type pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201908814U true CN201908814U (en) | 2011-07-27 |
Family
ID=44301017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202189867U Expired - Fee Related CN201908814U (en) | 2010-06-09 | 2010-06-09 | Two-stage pump cylinder and two-stage plunger piston combined pump cylinder pipe type pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201908814U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374160A (en) * | 2011-08-17 | 2012-03-14 | 哈尔滨荣昇石油机械技术开发有限公司 | Multichannel oil pump |
| CN107218013A (en) * | 2017-01-22 | 2017-09-29 | 宋丽梅 | A kind of laddering synchronous oil recovery method and a kind of laddering multistage simultaneous pumping system pump |
| CN111734601A (en) * | 2020-07-02 | 2020-10-02 | 中国石油天然气股份有限公司 | Underground double-pump-barrel preset oil well pump and oil pumping method |
-
2010
- 2010-06-09 CN CN2010202189867U patent/CN201908814U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374160A (en) * | 2011-08-17 | 2012-03-14 | 哈尔滨荣昇石油机械技术开发有限公司 | Multichannel oil pump |
| CN107218013A (en) * | 2017-01-22 | 2017-09-29 | 宋丽梅 | A kind of laddering synchronous oil recovery method and a kind of laddering multistage simultaneous pumping system pump |
| CN111734601A (en) * | 2020-07-02 | 2020-10-02 | 中国石油天然气股份有限公司 | Underground double-pump-barrel preset oil well pump and oil pumping method |
| CN111734601B (en) * | 2020-07-02 | 2024-05-28 | 中国石油天然气股份有限公司 | Underground double-pump cylinder preset oil pump and oil pumping method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110727 Termination date: 20140609 |