CN201851320U - Offset fixed valve type separate-producing pump for multilayer exploitation - Google Patents
Offset fixed valve type separate-producing pump for multilayer exploitation Download PDFInfo
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- CN201851320U CN201851320U CN2010206154551U CN201020615455U CN201851320U CN 201851320 U CN201851320 U CN 201851320U CN 2010206154551 U CN2010206154551 U CN 2010206154551U CN 201020615455 U CN201020615455 U CN 201020615455U CN 201851320 U CN201851320 U CN 201851320U
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Abstract
The utility model relates to an offset fixed valve type separate-producing pump for multilayer exploitation, which is applied to the technical field of underground oil production of oil filed. An upper oil outlet joint is arranged in an upper pump cylinder, and is connected with an upper valve seat joint, a traveling valve seat and an upper traveling valve. The lower end of the upper valve seat joint is connected with an upper plunger and a plunger connecting pipe. A second upper traveling valve is arranged in the plunger connecting pipe. The side wall of the lower end of the plunger connecting pipe is provided with an offset valve circulation passage. A coupling is arranged at the lower end of an upper external pipe, and the lower end of the coupling is connected with an oil through three-way. The side wall of the oil through three-way is provided with a vertical and downward offset liquid inlet hole and the offset valve. The lower end of the connecting pipe is provided with a lower plunger. The lower end of the oil through three-way is provided with a plunger short joint and a lower external pipe. The lower end of the lower plunger is connected with two lower traveling valves. The offset fixed valve type separate-producing pump for multilayer exploitation has the effects that the remained cavity of the upper pump is eliminated, thereby avoiding the gas locking of the upper oil layer due to the generation of a large amount of associated gas in the slicing exploitation process.
Description
Technical field
The utility model relates to oil recovery technique field, oil field, and particularly a kind of multilayer is the oil recovery separate extracting pump of exploitation, is a kind of biasing standing valve formula separate extracting pump with good gas-tight effect.
Background technique
Biasing standing valve formula separate extracting pump is one of main separate extracting pump type of multilayer system exploitation use, but go up the serious oil well of the payzone degassing at the exploitation of multilayer system, biasing standing valve formula separate extracting pump in process of production, gas lock takes place because of last pump side is subjected to gases affect easily to the surplus chamber of pump, feed pathway place, and then have influence on the proper functioning of separate extracting pump, and the effect of separate extracting pump oil production by layer, the branch oil recovery well can not ordinary production.
The model utility content
The purpose of this utility model is: a kind of biasing standing valve formula separate extracting pump that is applicable to multilayer system exploitation is provided, pump side surplus chamber of pump in the feed pathway place eliminations in, solution setover pump on the standing valve formula separate extracting pump in process of production gas branch is adopted the problem of influence.Avoid pump to go up pump chamber in process of production, cause the separate extracting pump can't proper functioning because of gas enters, assembles gas lock takes place.
The technical solution adopted in the utility model is: be applicable to the biasing standing valve formula separate extracting pump of multilayer system exploitation, mainly by: upper connection, go up pump barrel, go up delivery connection, upper travelling valve, the valve seat that moves about, upper valve base joint, upper plug, plunger connecting leg, seal ring, upper exterior tube, connecting tube, box cupling, eccentrically arranged valve, cross oily threeway, plunger pipe nipple, pump barrel, lower plunger, lower travelling valve, valve base joint, standing valve box cupling, standing valve, lower contact and lower outer pipe are formed down.It is characterized in that: connect the upper end of upper exterior tube in the lower end of upper connection, pump barrel in upper exterior tube, having, the upper end of last pump barrel is connected on the interior step of upper connection; Delivery connection on one is arranged in last pump barrel, and there is internal thread last delivery connection upper end, and last delivery connection can connect sucker rod.Be connected with the upper valve base joint in last delivery connection bottom, the upper valve base joint valve seat that will move about is fixed in the delivery connection, in the upper end of the valve seat that moves about first upper travelling valve is arranged; Connect a upper plug in last pump barrel and in the lower end of upper valve base joint, upper prop is plugged with center hole; In last pump barrel and in the lower end of upper plug, connect a plunger connecting leg, second upper travelling valve is arranged in the plunger connecting leg, on the plunger connecting leg tube wall on the second upper travelling valve top, oil inlet hole is arranged; On the sidewall of the lower end of plunger connecting leg, the eccentrically arranged valve flow channels is arranged;
Be connected with a box cupling at the lower end of upper exterior tube screw thread, the box cupling lower end connects the oily threeway of mistake; The lower end of connecting tube is in the straight-through tube of crossing oily threeway; Cross the biasing inlet opening that has on the sidewall of oily threeway vertically downward, in the biasing inlet opening eccentrically arranged valve is arranged, eccentrically arranged valve is a spherical valve; The well liquid of top bottom enters from eccentrically arranged valve.Annular space is arranged in eccentrically arranged valve; Lower end at connecting tube is connected with lower plunger; The upper end of lower plunger is in the clear opening of crossing oily threeway; Be connected with a plunger pipe nipple in the lower end of crossing oily threeway; The lower end of plunger pipe nipple connects lower outer pipe, and following pump barrel is arranged in lower outer pipe, and the upper end of following pump barrel is connected on the interior step of plunger pipe nipple;
Connect first lower travelling valve in the lower end of lower plunger, lower travelling valve comprises valve cylinder, valve ball and valve ball seat; The valve cylinder lower end of lower travelling valve connects valve base joint, and valve base joint has center hole; The lower end of valve base joint connects second lower travelling valve; The lower end of second lower travelling valve connects a standing valve box cupling, and the standing valve box cupling is in following pump barrel; Be connected with a box cupling in the lower end of lower outer pipe, the lower end of following pump barrel is enclosed within the box cupling; Be connected with a standing valve in the lower end of box cupling, valve seat and steel ball are arranged in the standing valve, be connected with lower contact in the lower end of standing valve.
The beneficial effects of the utility model: the utility model is applicable to that the biasing standing valve formula separate extracting pump of multilayer system exploitation has following advantage:
1, novel biasing standing valve formula separate extracting pump is compared with former eccentrically arranged valve formula separate extracting pump, owing to structurally eliminated the surplus chamber of last pump, thus to have avoided in the separate zone production process, the contradiction of gas lock takes place in last oil reservoir owing to association is large-minded.
2, novel biasing standing valve formula separate extracting pump working principle and conventional oil extraction pump are basic identical, and the construction simple and convenient is easy to field conduct, drop at the scene at present and use.
Description of drawings
Fig. 1 is the biasing standing valve formula separate extracting pump epimere structural representation that is applicable to the exploitation of multilayer system.
Fig. 2 is the biasing standing valve formula separate extracting pump stage casing structural representation that is applicable to the exploitation of multilayer system.
Fig. 3 is the biasing standing valve formula separate extracting pump hypomere structural representation that is applicable to the exploitation of multilayer system.
Among the figure, pump barrel is 2. gone up in 1. upper connection, 3. goes up delivery connection, 4. upper travelling valve, 5. valve seat, 6. upper valve base joint, 7. upper plug, 8. plunger connecting leg move about, 9. seal ring, 10. upper exterior tube, 11. connecting tubes, 12. box cuplings, 13. the eccentrically arranged valve flow channels, 14. eccentrically arranged valves, 15. cross oily threeway, 16. plunger pipe nipples, 17. following pump barrel, 18. lower plungers, 19. lower travelling valves, 20. valve base joints, 21. the standing valve box cupling, 22. standing valves, 23. lower contacts, 24. lower outer pipes.
Embodiment
Embodiment 1: with a biasing standing valve formula separate extracting pump that is applicable to the exploitation of multilayer system is example,
The utility model is described in further detail.
The utility model is applicable to the biasing standing valve formula separate extracting pump of multilayer system exploitation, mainly by: upper connection 1, go up pump barrel 2, go up delivery connection 3, upper travelling valve 4, the valve seat 5 that moves about, upper valve base joint 6, upper plug 7, plunger connecting leg 8, seal ring 9, upper exterior tube 10, connecting tube 11, box cupling 12, eccentrically arranged valve flow channels 13, eccentrically arranged valve 14, cross oily threeway 15, plunger pipe nipple 16, pump barrel 17, lower plunger 18, lower travelling valve 19, valve base joint 20, standing valve box cupling 21, standing valve 22, lower contact 23 and lower outer pipe 24 are formed down.
Consult Fig. 1.Connect the upper end of upper exterior tube 10 in the lower end of upper connection 1, pump barrel 2 on is arranged in upper exterior tube 10, the upper end of last pump barrel 2 is connected on the upper connection 1 interior step.Delivery connection 3 on one is arranged in last pump barrel 2, and there is internal thread last delivery connection 3 upper ends.Be connected with a upper valve base joint 6 in last delivery connection 3 bottoms, upper valve base joint 6 valve seat 5 that will move about is fixed in the delivery connection 3, in the upper end of the valve seat 5 that moves about first upper travelling valve 4 is arranged; Connect a upper plug 7 in last pump barrel 2 and in the lower end of upper valve base joint 6, upper plug 7 has center hole.
Consult Fig. 2.In last pump barrel 2 and in the lower end of upper plug 7, connect a plunger connecting leg 8, second upper travelling valve 4 is arranged in the plunger connecting leg 8,, on plunger connecting leg 8 tube walls on second upper travelling valve, 4 tops, oil inlet hole is arranged at second upper travelling valve 4; An eccentrically arranged valve flow channels 13 is arranged on the sidewall of the lower end of plunger connecting leg 8.Be connected with a box cupling 12 at the lower end of upper exterior tube 10 screw thread, box cupling 12 lower ends connect the oily threeway 15 of mistake; The lower end of connecting tube 11 is in the straight-through tube of crossing oily threeway 15; Cross the biasing inlet opening that has on the sidewall of oily threeway 15 vertically downward, in the biasing inlet opening eccentrically arranged valve 14 is arranged, eccentrically arranged valve 14 is spherical valves.In eccentrically arranged valve 14, annular space is arranged; Be connected with lower plunger 18 in the lower end of connecting tube 11; The upper end of lower plunger 18 is in the clear opening of crossing oily threeway 15; Be connected with a plunger pipe nipple 16 in the lower end of crossing oily threeway 15; The lower end of plunger pipe nipple 16 connects lower outer pipe 24, and following pump barrel 17 is arranged in lower outer pipe 24, and the upper end of following pump barrel 17 is connected on the plunger pipe nipple 16 interior steps.
Consult Fig. 3.Connect first lower travelling valve 19 in the lower end of lower plunger 18, lower travelling valve 19 comprises valve cylinder, valve ball and valve ball seat; The valve cylinder lower end of first lower travelling valve 19 connects valve base joint 20, and valve base joint 20 has center hole; The lower end of valve base joint 20 connects second lower travelling valve 19; The lower end of second lower travelling valve 19 connects a standing valve box cupling 21, and standing valve box cupling 21 is in following pump barrel 17; Be connected with a box cupling 12 in the lower end of lower outer pipe 24, the lower end of following pump barrel 17 is enclosed within the box cupling 12; Be connected with a standing valve 22 in the lower end of box cupling 12, valve seat and steel ball are arranged in the standing valve 22, be connected with a lower contact 23 in the lower end of standing valve 22.
Summary is applicable to the working principle of the biasing standing valve formula separate extracting pump of multilayer system exploitation.
In the upstroke process, upper plug 7 is up with lower plunger 18, and lower floor's standing valve 22 is opened lower floor's liquid and entered down in the pump barrel 17; Upper strata eccentrically arranged valve 14 is opened, and supernatant liquid enters pump barrel 2 by eccentrically arranged valve 14, and upper travelling valve 4 and lower travelling valve 19 are closed, thereby realizes the discharge opeing of oil pipe.
In the down stroke process, upper plug 7 is descending with lower plunger 18, and lower floor's standing valve 22 cuts out, and spatial volume reduces between lower plunger 18, following pump barrel 17 and the standing valve 22, and lower floor's liquid is squeezed, and enters pump barrel 2 by lower travelling valve 19; Eccentrically arranged valve 14 cuts out, and upper plug 7 is descending, and spatial volume reduces between upper plug 7 and the surplus chamber of last pump, the upper strata production fluid is squeezed and enters pump barrel 2 by upper travelling valve 4, the upper and lower layers production fluid mixes at last pump barrel 2, enters the oil pipe that top connects, thereby realizes the oil pipe feed liquor.Because novel biasing standing valve formula separate extracting pump eliminated the surplus chamber of last pump, thus avoided last oil reservoir in process of production associated gas enter surplus chamber, gas lock takes place when gathering to a certain degree.
Claims (1)
1. biasing standing valve formula separate extracting pump that is applicable to multilayer system exploitation is mainly by upper connection (1), last pump barrel (2), last delivery connection (3), upper travelling valve (4), valve seat (5) moves about, upper valve base joint (6), upper plug (7), plunger connecting leg (8), seal ring (9), upper exterior tube (10), connecting tube (11), box cupling (12), eccentrically arranged valve (14), cross oily threeway (15), plunger pipe nipple (16), following pump barrel (17), lower plunger (18), lower travelling valve (19), valve base joint (20), standing valve box cupling (21), standing valve (22), lower contact (23) and lower outer pipe (24) are formed; It is characterized in that: connect the upper end of upper exterior tube (10) in the lower end of upper connection (1), last pump barrel (2) is arranged in upper exterior tube (10), the upper end of last pump barrel (2) is connected on the interior step of upper connection (1); Have one to go up delivery connection (3) in last pump barrel (2), there is internal thread last delivery connection (3) upper end; Be connected with upper valve base joint (6) in last delivery connection (3) bottom, upper valve base joint (6) valve seat (5) that will move about is fixed in the delivery connection (3), in the upper end of the valve seat that moves about (5) first upper travelling valve (4) is arranged; Connect a upper plug (7) in last pump barrel (2) and in the lower end of upper valve base joint (6), upper plug (7) has center hole; In last pump barrel (2) and in the lower end of upper plug (7), connect a plunger connecting leg (8), second upper travelling valve (4) is arranged in the plunger connecting leg (8), on plunger connecting leg (8) tube wall on second upper travelling valve (4) top, oil inlet hole is arranged; Eccentrically arranged valve flow channels (13) is arranged on the lower end sidewall of plunger connecting leg (8);
Lower end screw thread at upper exterior tube (10) is connected with a box cupling (12), and box cupling (12) lower end connects an oily threeway of mistake (15); The lower end of connecting tube (11) is in the straight-through tube of crossing oily threeway (15); Cross the biasing inlet opening that has on the sidewall of oily threeway (15) vertically downward, in the biasing inlet opening eccentrically arranged valve (14) is arranged, eccentrically arranged valve (14) is a spherical valve; In eccentrically arranged valve (14), annular space is arranged; Be connected with lower plunger (18) in the lower end of connecting tube (11); The upper end of lower plunger (18) is in the clear opening of crossing oily threeway (15); Be connected with a plunger pipe nipple (16) in the lower end of crossing oily threeway (15); The lower end of plunger pipe nipple (16) connects lower outer pipe (24), and following pump barrel (17) is arranged in lower outer pipe (24), and the upper end of following pump barrel (17) is connected on the interior step of plunger pipe nipple (16);
Connect first lower travelling valve (19) in the lower end of lower plunger (18), lower travelling valve (19) comprises valve cylinder, valve ball and valve ball seat; The valve cylinder lower end of lower travelling valve (19) connects valve base joint (20), and valve base joint (20) has center hole; The lower end of valve base joint (20) connects second lower travelling valve (19); The lower end of second lower travelling valve (19) connects a standing valve box cupling (21), and standing valve box cupling (21) is in following pump barrel (17); Be connected with a box cupling (12) in the lower end of lower outer pipe (24), the lower end of following pump barrel (17) is enclosed within the box cupling (12); Be connected with a standing valve (22) in the lower end of box cupling (12), standing valve has valve seat and steel ball in (22), is connected with lower contact (23) in the lower end of standing valve (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206154551U CN201851320U (en) | 2010-11-18 | 2010-11-18 | Offset fixed valve type separate-producing pump for multilayer exploitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206154551U CN201851320U (en) | 2010-11-18 | 2010-11-18 | Offset fixed valve type separate-producing pump for multilayer exploitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201851320U true CN201851320U (en) | 2011-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206154551U Expired - Lifetime CN201851320U (en) | 2010-11-18 | 2010-11-18 | Offset fixed valve type separate-producing pump for multilayer exploitation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201851320U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452835A (en) * | 2012-05-28 | 2013-12-18 | 中国石油天然气股份有限公司 | Separate-layer oil extraction device capable of controlling flowing pressures of upper and lower pay zones |
| WO2015072882A1 (en) * | 2013-11-18 | 2015-05-21 | Дигвид Энтерпрайсиз Лимитед | Medium-separation valve |
| CN109253072A (en) * | 2018-10-31 | 2019-01-22 | 延安奇源石油工程技术服务有限公司 | A kind of double anti-oil well pumps |
-
2010
- 2010-11-18 CN CN2010206154551U patent/CN201851320U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452835A (en) * | 2012-05-28 | 2013-12-18 | 中国石油天然气股份有限公司 | Separate-layer oil extraction device capable of controlling flowing pressures of upper and lower pay zones |
| WO2015072882A1 (en) * | 2013-11-18 | 2015-05-21 | Дигвид Энтерпрайсиз Лимитед | Medium-separation valve |
| CN109253072A (en) * | 2018-10-31 | 2019-01-22 | 延安奇源石油工程技术服务有限公司 | A kind of double anti-oil well pumps |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110601 |