CN202176495U - Ultra-heavy oil injecting-mining oil well pump - Google Patents
Ultra-heavy oil injecting-mining oil well pump Download PDFInfo
- Publication number
- CN202176495U CN202176495U CN2011201876293U CN201120187629U CN202176495U CN 202176495 U CN202176495 U CN 202176495U CN 2011201876293 U CN2011201876293 U CN 2011201876293U CN 201120187629 U CN201120187629 U CN 201120187629U CN 202176495 U CN202176495 U CN 202176495U
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- plunger
- pump
- pump barrel
- standing valve
- assembly
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Abstract
The utility model discloses an ultra-heavy oil injecting-mining oil well pump especially suitable for the mining of ultra-heavy oil wells, which comprises an on-off connector (2), a pump barrel assembly (6), a plunger assembly (12) and a standing valve assembly (19). The plunger assembly (12) is connected with a hollow sucker rod through the on-off connector (2). A plunger (7) and a pump barrel (10) are respectively equipped with a plurality of plunger steam-injecting grooves (8) and a plurality of pump barrel steam-injecting grooves (9). An outer cylinder (11) is arranged on the outside of the pump barrel (10). The upper and lower ends of the outer cylinder (11) are connected with a heat insulation oil pipe through an outer cylinder upper joint (5) and an outer cylinder lower joint (20). A lock ring (16) is arranged between a plunger lower joint (13) and a standing valve upper joint (18). Since the on-off connector (2) is arranged between an oil well pump and the hollow sucker rod, the hollow sucker rod can be placed downwards after the steam injecting process. Therefore, the infiltration of hot water over a pump and the electric heating technology can be realized. Meanwhile, the steam injection to the stratum at any well segment can be performed.
Description
Technical field
The utility model relates to a kind of oil field with ultra thick oil filling production oil-well pump, and it is specially adapted to the exploitation of ultra thick oil well.
Background technique
At present, in steam soak thickened oil recovery technology, the most frequently used oil well pump is that oil well pump is taken out in the commentaries on classics of double-plunger notes vapour; But,, need down to mix on the hollow hollow rod proportioning pump on hot water or the pump viscosity reduction pit shaft measure such as cable heating and reduce viscosity of crude on the pump when exploitation viscosity during greater than the ultra viscous crude of 50000mPas; But double-plunger is annotated the vapour commentaries on classics and is taken out oil well pump in use; Owing to do not have connecting-and-unconnecting device on the pump plunger, hollow rod can only with pump simultaneously in the lower going-into-well, owing between the hollow rod joint seal ring is arranged; The seal ring heatproof does not reach the high temperature when annotating vapour; High temperature can have a strong impact on the sealing and the working life of hollow rod, and the commentaries on classics of therefore former double-plunger notes vapour is taken out oil well pump and can't be used hollow rod to implement to ooze electrical heating process on hot water and the pump, therefore can not satisfy the exploitation technology needs of ultra viscous crude.
Summary of the invention
The purpose of the utility model provides a kind of cable heating process on hot water or the pump of realizing mixing on the pump, and can be at the ultra thick oil filling production oil-well pump of any well section to the stratum steam injection.
The utility model is made up of connecting-and-unconnecting device, pump barrel assembly, plunger piston assembly, standing valve assembly; Plunger piston assembly connects hollow rod through connecting-and-unconnecting device, and connecting-and-unconnecting device is made up of upper body and lower body two-part, has a plurality of pump barrels on pump barrel, the plunger and annotates vapour groove and plunger notes vapour groove; A urceolus is equipped with in the pump barrel outside; The urceolus upper and lower end connects insulated tubing through the upper and lower joint of urceolus, and the plunger piston assembly lower end is connected to the plunger lower contact, and there is a standing valve upper connection standing valve assembly upper end; A lock ring is housed between plunger lower contact and the standing valve upper connection; Have an annular groove on the plunger lower contact cylndrical surface, there is a dog lower end, and a groove is opened in the upper end of standing valve upper connection.During steam injection; Standing valve assembly and pump barrel assembly, plunger piston assembly and connecting-and-unconnecting device lower body are together arrived designed depth down with insulated tubing; The groove fit of the dog of plunger lower contact this moment and standing valve upper end; Plunger piston assembly is locked through the annular groove in the plunger lower contact by lock ring, make the plunger notes vapour groove of plunger and the pump barrel notes vapour groove of pump barrel be in same position, steam gets into the inner chamber of plunger through urceolus upper connection, plunger upper connection; Annotate the annular space of vapour groove and pump barrel notes vapour groove entering pump barrel and urceolus again through plunger, and then get into oil reservoir through insulated tubing.Change when taking out when having annotated steam, connecting-and-unconnecting device upper body and hollow rod are linked, time in well; Behind the in-position; Rely on the hollow rod deadweight to dock with the connecting-and-unconnecting device lower body, last exhaust heart sucker rod, it is up to drive plunger piston assembly; Plunger does not have the vapour of notes groove place and seals up pump barrel notes vapour groove, and oil well pump can normally be pumped.Owing between oil well pump and the hollow rod connecting-and-unconnecting device is arranged, be lowered to hollow rod again after can realizing having annotated steam, thereby can realize oozing on the pump hot water technology and electrical heating process.When needs are annotated the vapour operation once more; Hollow rod promotes plunger piston assembly and makes the dog of plunger lower contact and the groove fit of standing valve upper end; The pump barrel notes vapour groove of the plunger of plunger notes vapour groove and pump barrel is in same position at this moment, clockwise rotates hollow rod simultaneously, and connecting-and-unconnecting device breaks away from hollow rod and plunger piston assembly; Hollow rod is proposed well head, annotate the vapour operation then.
The utility model is simple in structure, can realize mixing on the pump cable heating process on hot water or the pump, and can be in any well section to the stratum steam injection.
Description of drawings
Fig. 1 is the utility model structure principle chart
Embodiment
Below in conjunction with accompanying drawing the utility model is described in detail:
The utility model is made up of connecting-and-unconnecting device (2), pump barrel assembly (6), plunger piston assembly (12), standing valve assembly (19); Plunger piston assembly (12) connects hollow rod through connecting-and-unconnecting device (2); Connecting-and-unconnecting device (2) is made up of upper body (1) and lower body (3) two-part; Have a plurality of plungers on plunger (7), the pump barrel (10) and annotate vapour groove (8) and pump barrel notes vapour groove (9), a urceolus (11) is equipped with in pump barrel (10) outside, and urceolus (11) upper and lower end connects insulated tubing through urceolus upper connection (5), urceolus lower contact (20); Plunger piston assembly (12) lower end is connected to plunger lower contact (13); There is a standing valve upper connection (18) standing valve assembly (19) upper end, between plunger lower contact (13) and the standing valve upper connection (18) lock ring (16) is housed, and plunger lower contact (13) has an annular groove (14) on the cylndrical surface; There is a dog (15) lower end, and a groove (17) is opened in the upper end of standing valve upper connection (18).During steam injection; Standing valve assembly (19) and pump barrel assembly (6), plunger piston assembly (12) and connecting-and-unconnecting device lower body (3) are together arrived designed depth down with insulated tubing; The dog (15) of plunger lower contact this moment (13) cooperates with the groove (17) of standing valve upper connection (18); Plunger piston assembly (12) is locked through the annular groove (14) in the plunger lower contact (13) by lock ring (16); Make the plunger notes vapour grooves (8) of plunger (7) and the pump barrel notes vapour grooves (9) of pump barrel (10) be in same position; Steam is annotated the annular space that vapour grooves (9) get into pump barrel (10) and urceolus (11) through the plunger notes vapour groove (8) of plunger (7) and the pump barrel of pump barrel (10) again through the inner chamber of urceolus upper connection (5), plunger upper connection (4) entering plunger (7), and then through insulated tubing entering oil reservoir.Change when taking out when having annotated steam, connecting-and-unconnecting device upper body (1) and hollow rod are linked, down in well; Behind the in-position; Rely on the hollow rod deadweight to dock with connecting-and-unconnecting device lower body (3), last exhaust heart sucker rod, it is up to drive plunger piston assembly (12); The pump that plunger (7) nothing notes vapour groove place seals up pump barrel (10) is to annotating vapour groove (9), and oil well pump can normally be pumped.Owing between oil well pump and the hollow rod connecting-and-unconnecting device (2) is arranged, be lowered to hollow rod again after can realizing having annotated steam, thereby can realize oozing on the pump hot water technology and electrical heating process.When needs are annotated the vapour operation once more; It is descending that hollow rod promotes plunger piston assembly (12), and the dog (15) of plunger lower contact (13) is cooperated with the groove (17) of standing valve upper connection (18), and the pump barrel notes vapour grooves (9) that the plunger of plunger this moment (7) is annotated vapour groove (8) and pump barrel (10) are in same position; Clockwise rotate hollow rod simultaneously; Connecting-and-unconnecting device (2) breaks away from hollow rod and plunger piston assembly (12), and hollow rod is proposed well head, annotates the vapour operation then.
Claims (2)
1. ultra thick oil filling production oil-well pump; It mainly is made up of connecting-and-unconnecting device (2), pump barrel assembly (6), plunger piston assembly (12), standing valve assembly (19); It is characterized in that having on plunger (7), the pump barrel (10) a plurality of plungers and annotate vapour groove (8) and pump barrel notes vapour groove (9); A urceolus (11) is equipped with in pump barrel (10) outside, and urceolus (11) upper and lower end connects insulated tubing through urceolus upper connection (5), urceolus lower contact (20), and plunger piston assembly (12) lower end is connected to plunger lower contact (13); There is a standing valve upper connection (18) standing valve assembly (19) upper end, between plunger lower contact (13) and the standing valve upper connection (18) lock ring (16) is housed.
2. ultra thick oil filling production oil-well pump according to claim 1 is characterized in that having an annular groove (14) on plunger lower contact (13) cylndrical surface, and there is a dog (15) lower end, and a groove (17) is opened in the upper end of standing valve upper connection (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201876293U CN202176495U (en) | 2011-05-24 | 2011-05-24 | Ultra-heavy oil injecting-mining oil well pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201876293U CN202176495U (en) | 2011-05-24 | 2011-05-24 | Ultra-heavy oil injecting-mining oil well pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202176495U true CN202176495U (en) | 2012-03-28 |
Family
ID=45866378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201876293U Expired - Lifetime CN202176495U (en) | 2011-05-24 | 2011-05-24 | Ultra-heavy oil injecting-mining oil well pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202176495U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109424343A (en) * | 2017-08-31 | 2019-03-05 | 中国石油化工股份有限公司 | It is a kind of with note well head and well head with injecting method |
| CN111425173A (en) * | 2020-05-08 | 2020-07-17 | 克拉玛依胜利高原机械有限公司 | Sand washing and steam injection process for heavy oil well and matching device thereof |
-
2011
- 2011-05-24 CN CN2011201876293U patent/CN202176495U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109424343A (en) * | 2017-08-31 | 2019-03-05 | 中国石油化工股份有限公司 | It is a kind of with note well head and well head with injecting method |
| CN109424343B (en) * | 2017-08-31 | 2024-04-16 | 中国石油化工股份有限公司 | Wellhead and wellhead injection-accompanying method |
| CN111425173A (en) * | 2020-05-08 | 2020-07-17 | 克拉玛依胜利高原机械有限公司 | Sand washing and steam injection process for heavy oil well and matching device thereof |
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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: 20120328 |