CN201129290Y - Reverse circulation hydraulic jet pump - Google Patents
Reverse circulation hydraulic jet pump Download PDFInfo
- Publication number
- CN201129290Y CN201129290Y CNU2007200884385U CN200720088438U CN201129290Y CN 201129290 Y CN201129290 Y CN 201129290Y CN U2007200884385 U CNU2007200884385 U CN U2007200884385U CN 200720088438 U CN200720088438 U CN 200720088438U CN 201129290 Y CN201129290 Y CN 201129290Y
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- Prior art keywords
- jet pump
- hydraulic jet
- pump core
- circulation hydraulic
- reverse circulation
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Abstract
The utility model discloses a reverse circulation hydraulic jet pump capable of using the hydraulic pressure of ground surface power fluid to take the reverse circulation hydraulic jet pump core out of an oil well, which is adapted for a hydraulic jet pump oil producing well in oil industry. The reverse circulation hydraulic jet pump arranges a set of produced liquid control switch on the upper portion of the reverse circulation hydraulic jet pump core, when the pump core needs to be taken out, users drop down a salvage anchor from the well opening, close the control switch, then continue to drive in power fluid, and finally the pump core is salvaged. The reverse circulation hydraulic jet pump overcomes the difficulty that the existing reverse circulation hydraulic jet pump core can not be hydraulically salvaged, simplifies operational procedures, increases operational efficiency and reduces oil producing cost.
Description
Technical field
The utility model relates to petroleum industry crude oil machine instruction statement mining rodless pump oil production equipment, refers more particularly to a kind of anti-circulation hydraulic jet pump that is applicable to that viscous crude and the utilized fluid power that contains the sand oil mining are got the pump core.
Background technique
Existing hydraulic injection pump mainly is divided into two big classes, and a class is the direct circulation hydraulic injection pump, and another kind of is anti-circulation hydraulic jet pump.The characteristics of direct circulation hydraulic injection pump are the power fluid direct circulations, promptly in oil pipe, inject power fluid, extraction liquid returns producing well from oil pipe and sleeve pipe annular space; when getting the operation of pump core; power fluid is counter to circulate; promptly inject power fluid from oil pipe and sleeve pipe annular space; the pump core is salvaged oil well from the down-hole; for example; Chinese patent publication number CN 1338561A, and in open day on March 6th, 2002, denomination of invention is the hydraulic injection pump that is provided with sampler; this application case discloses a kind of direct circulation hydraulic injection pump; its deficiency is: 1) extraction liquid returns out oil from oil pipe and sleeve pipe annular space; it is big that sleeve pipe is crossed fluid space, and the extraction flow velocity is slow; prop-carrying capacity is poor, the easy stuck packet of sand setting.2) the perishable sleeve pipe of extraction liquid makes the oil well premature damage.The characteristics of conventional anti-circulation hydraulic jet pump are, power fluid is counter to circulate, be that power fluid injects from oil pipe and sleeve pipe annular space, extraction liquid goes out from the oil pipe internal return, for example, Chinese patent publication number CN 2529000Y, in open day on January 1st, 2003, denomination of invention is a kind of dropping in and taking off type underground bushing hydraulic injection pump, and this application case discloses a kind of anti-circulation hydraulic jet pump, its advantage is the deficiency that has overcome the direct circulation hydraulic injection pump, its deficiency is that the pump core can not utilize fluid power to get, and must just can salvage the pump core with the operation of well repairing machine lower sucker rod post, the maintenance operation cost is very high, is unfavorable for the popularization of hydraulic injection pump.Because, the characteristics of anti-circulation hydraulic jet pump are that power fluid injects from oil, cover annular space, extraction liquid goes out from the oil pipe internal return, and the pump core is contained in the oil pipe, if will utilize fluid power that the pump core is got, but the pump core is communicated with oil pipe, power fluid can only make the discharge opeing of pump core, it can't be got, therefore, it is a technical barrier that anti-circulation hydraulic jet pump utilizes fluid power to play the pump core all the time.
Summary of the invention
A kind of anti-circulation hydraulic jet pump that can utilize fluid power to remove the pump core is provided, overcomes existing anti-circulation hydraulic jet pump and can not utilize fluid power to trip out the defective of pump core, simplify operation technique, increase work efficiency, thereby reduce the field produces cost.
The purpose of this utility model is achieved in that a kind of anti-circulation hydraulic jet pump, comprise working barrel assembly 5, ejection assemblies 4 upper ends connect one-way valve 3 and extraction hydraulic control system switch 1 successively, and extraction hydraulic control system switch 1 top drags for 18 for the pump core, and ejection assemblies 4 lower ends connect pressure measurement assembly 8; Extraction hydraulic control system switch 1, ejection assemblies 4, pressure measurement assembly 8 composition pump cores and seat are enclosed in the working barrel assembly 5; Standing valve 9 is connected in working barrel assembly 5 lower ends, in standing valve 9 lower ends packet 10 is installed; Working barrel assembly 5 upper ends connect oil pipe 12 and extend to well head, are connected with wellhead flange dish 13, and well head is installed well head catcher 16 topmost, salvage anchor 17 and match with extraction hydraulic control system switch 1.
Lifting leather cup 23 in the extraction hydraulic control system switch 1 is pressed on the leather cup seat 22 by the screw thread of leather cup joint 24, leather cup seat 22 upper ends are by the sliding spool 21 that is threaded, slide valve buckle 20 is enclosed within on the outer wall of sliding spool 21, can slide up and down, and formation fitted seal, have and open or close two stations, slide valve buckle 20 upper ends drag for 18 by the pump core that is threaded, the pump core drag for 18 and the inner chamber of sliding spool 21 in slide valve spring 19 is installed.
The longitudinal section of sliding spool 21 becomes " H " shape, two end axles is to respectively being drilled with a blind hole up and down, be divided into two the chamber of not communicating up and down, having 2～4 through holes on the sidewall of cavity of resorption is extraction liquid outlet 2, on the outer wall of upper end limited step is arranged, there is screw thread the lower end, slide valve buckle 20 is a cylindrical shape, there is box thread the upper end, have 2～4 through holes on the sidewall of lower end, the pump core drags for a bottom of 18 a blind hole chamber, and two small through hole are arranged on the sidewall of chamber, and top is " ↑ " shape anchor pole that makes progress.
Salvaging anchor 17 is weighted lever 25 from top to bottom successively, and it is jointing 26 down, and joint 26 connects dipper 29, and dipper 29 has the inner chamber of a taper, and mounting spring 27 and a band male cone (strobilus masculinus) are caught claw 28 in the conical internal cavity.
There is screw thread the lower end of ejection assemblies 4, and ejection assemblies 4 lower ends are by this pressure measurement assembly 8 that is threaded.
Anti-circulation hydraulic jet pump provided by the utility model is provided with a cover extraction hydraulic control system switch on pump core top, when needing to take out the pump core, will salvage anchor and throw in down from well head, and control switch cuts out, and continues to squeeze into power fluid then, and the pump core is salvaged.This device has overcome the defective that existing anti-circulation hydraulic jet pump pump core can not utilize waterpower to salvage, and has simplified work procedure, has improved operating efficiency, has reduced cost for oil production.
Description of drawings
Below in conjunction with drawings and Examples the utility model is done a step explanation.
Fig. 1 is a structural representation of the present utility model, the schematic flow sheet when also being ordinary production.Dotted arrow is the power fluid flow direction, and solid arrow is an extraction liquid flow direction, and hollow arrow is the formation fluid flow direction.
Fig. 2 is a structural representation of the present utility model, also is the schematic flow sheet when getting the operation of pump core.Dotted arrow is the power fluid flow direction.
Fig. 3 is the structural representation of extraction hydraulic control system switch 1.
Fig. 4 is a structural representation of salvaging anchor 17.
Among the figure: 1. extraction hydraulic control system switch, 2. extraction liquid outlet, 3. one-way valve, 4. ejection assemblies, 5. the working barrel assembly 6. sprays suction port, 7. power fluid inlet, 8. pressure measurement assembly, 9. standing valve, 10. packet, 11. sleeve pipes, 12. oil pipes, 13. the wellhead flange dish, 14. power fluid pipelines, 15. extraction liquid pipelines, 16. well head catchers, 17. the salvaging anchor, 18. pump cores drag for head, 19. slide valve springs, 20. slide valve buckles, 21. sliding spool, 22. leather cup seats, 23. promote leather cup, 24. leather cup joints.
Embodiment
A flexible lifting leather cup 23 is equipped with in the bottom of extraction hydraulic control system switch 1 of the present utility model, top is equipped with by sliding spool 21, slide valve buckle 20, slide valve spring 19, pump core and is dragged for 18 slide valve switch of forming, the longitudinal section of sliding spool 21 is " H " shape, two end axles is to respectively being drilled with a blind hole up and down, be divided into two the chamber of not communicating up and down, on the sidewall of cavity of resorption, have 4 uniform grooves, be i.e. extraction liquid outlet 2, on the outer wall of upper end limited step is arranged, there is screw thread the lower end.Slide valve buckle 20 is enclosed within on the outer wall of sliding spool 21, and its top and pump core drag for 18 and connect, and have 4 uniform grooves on the lower sides, and slide valve buckle 20 can slide on the outer wall of sliding spool 21 flexibly, and working stroke is 55～70mm.The installed load of slide valve spring 19 is 70～80N, and work loads is 180～215N.Its installed load is enough to support slide valve buckle 20 and pump core and drags for 18 weight, keep on slide valve buckle 20 sidewalls 4 through holes axially with sliding spool 21 on 4 extraction liquid export 2 and align, slide valve switch is in often opens the position.The pump core drags for 18 upper diameter and reduces to form " ↑ " shape that makes progress and drag for bar.
Working principle of the present utility model: accompanying drawing 1 and accompanying drawing 2, the utility model is installed in hundreds of rice or thousands of rice under the oil well, under the pump during well operations, working barrel assembly 5, standing valve 9 packets 10 grades are connected in the oil pipe lower end, be lowered into the precalculated position, down-hole with tubing string, make 10 envelopes of packet, install wellhead flange dish 13, behind the wellhead equipments such as power fluid pipeline 14 and extraction liquid pipeline 15, with pressure measurement assembly 8, ejection assemblies 4, one-way valve 3, the pump core that extraction hydraulic control system switch 1 is formed is thrown in G.I.H from well head, and in oil pipe, inject power fluid by extraction liquid pipeline, this moment closed check valve, the pump core just can be enclosed in the working barrel assembly 5 by seat, after well head is loaded onto well head catcher 16 topmost, inject power fluid from the power fluid pipeline and just can carry out ordinary production.This moment, power fluid entered the ejection assemblies cavity of resorption from power fluid inlet 7, after nozzle throttling speedup, produce negative pressure near spraying suction port 6, formation fluid is inhaled into from the shaft bottom, and standing valve 9 is opened, the pressure measurement assembly 8 of flowing through, enter trunnion and diffuser from spraying suction port 6, mix the up one-way valve of opening in back with power fluid, the extraction liquid outlet 2 from extraction hydraulic control system switch 1 is discharged in the oil pipe, rise to well head, advance ground flow through extraction liquid pipeline 15.When playing the operation of pump core, stop annotating power fluid, well head catcher 16 screw thread screw threads are unloaded, throw in down from well head, drop on the extraction hydraulic control system switch 1 salvaging anchor 17, under the action of gravity of salvaging anchor 17, the compression slide valve spring makes the slide valve buckle 20 descending extraction liquid of sealing export 2, simultaneously, " ↑ " shape that the pump core drags for head is dragged for bar and is extend in the dipper 29, and the claw that is captured is caught.After this process is finished, install well head catcher 16, continue to inject power fluid from power fluid pipeline 14, power fluid enters the ejection assemblies inner chamber from the power fluid inlet, and its pressure is delivered to standing valve 9 downwards by spraying suction port, and standing valve 9 cuts out, pressure upwards transmits, open one-way valve 3, hydraulic load finally acts on the intermediate cross-section of sliding spool sliding spool 21 " H " shape and promotes on the leather cup 23, just can be with entire pump core deblocking.At this moment, slide valve buckle 20 is not subjected to the hydraulic load effect, and it keeps closing station always under the action of gravity of salvaging anchor 17.The power fluid that continue to inject heads on the pump core and salvages anchor 17 up, arrive well head after, " ↑ " shape of weighted lever 25 upper ends is dragged for bar and is banged in the well head catcher, by its seizure, stops annotating power fluid, and the screw thread screw thread of well head catcher 16 is unloaded, and just the pump core can be taken out.
Claims (6)
1. anti-circulation hydraulic jet pump, comprise working barrel assembly (5), it is characterized in that: ejection assemblies (4) upper end connects one-way valve (3) and extraction hydraulic control system switch (1) successively, head (18) is dragged for for the pump core in extraction hydraulic control system switch (1) top, and ejection assemblies (4) lower end connects pressure measurement assembly (8); The pump core formed by extraction hydraulic control system switch (1), ejection assemblies (4), pressure measurement assembly (8) and seat is enclosed in the working barrel assembly (5); Standing valve (9) is connected in working barrel assembly (5) lower end, in standing valve (9) lower end packet (10) is installed; Working barrel assembly (5) upper end connects oil pipe (12) and extends to well head, is connected with wellhead flange dish (13), and well head is installed well head catcher (16) topmost, salvages anchor (17) and matches with extraction hydraulic control system switch (1).
2. according to the described anti-circulation hydraulic jet pump of claim 1, it is characterized in that: the lifting leather cup (23) in the extraction hydraulic control system switch (1) is pressed on the leather cup seat (22) by the screw thread of leather cup joint (24), leather cup seat (22) upper end is by the sliding spool that is threaded (21), slide valve buckle (20) is enclosed within on the outer wall of sliding spool (21), can slide up and down, and formation fitted seal, have and open or close two stations, head (18) is dragged for by the pump core that is threaded in slide valve buckle (20) upper end, and the pump core drags in the inner chamber of head (18) and sliding spool (21) slide valve spring (19) is installed.
3. anti-circulation hydraulic jet pump according to claim 2, it is characterized in that: the longitudinal section of sliding spool (21) becomes " H " shape, two end axles is to respectively being drilled with a blind hole up and down, be divided into two the chamber of not communicating up and down, having 2～4 through holes on the sidewall of cavity of resorption is extraction liquid outlet (2), on the outer wall of upper end limited step is arranged, there is screw thread the lower end, slide valve buckle (20) is a cylindrical shape, there is box thread the upper end, has 2～4 through holes on the sidewall of lower end, and a blind hole chamber is arranged at the bottom that the pump core drags for head (18), two small through hole are arranged on the sidewall of chamber, and top is " ↑ " shape anchor pole that makes progress.
4. anti-circulation hydraulic jet pump according to claim 1, it is characterized in that, salvaging anchor (17) is weighted lever (25) from top to bottom successively, it is jointing (26) down, joint (26) connects dipper (29), dipper (29) has the inner chamber of a taper, and mounting spring in the conical internal cavity (27) and a band male cone (strobilus masculinus) are caught claw (28).
5. according to claims 1 or 4 described anti-circulation hydraulic jet pumps, it is characterized in that: weighted lever (25) integral body is a round bar body, and the top undergauge forms " ↑ " shape that makes progress and drags for bar.
6. according to claims 1 described anti-circulation hydraulic jet pump, it is characterized in that: there is screw thread the lower end of ejection assemblies (4), and ejection assemblies (4) lower end is by this pressure measurement assembly (8) that is threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200884385U CN201129290Y (en) | 2007-11-22 | 2007-11-22 | Reverse circulation hydraulic jet pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200884385U CN201129290Y (en) | 2007-11-22 | 2007-11-22 | Reverse circulation hydraulic jet pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201129290Y true CN201129290Y (en) | 2008-10-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200884385U Expired - Fee Related CN201129290Y (en) | 2007-11-22 | 2007-11-22 | Reverse circulation hydraulic jet pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201129290Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913181A (en) * | 2012-10-24 | 2013-02-06 | 中国石油化工股份有限公司 | Throwing type washable downhole pressure-bearing plugging device and plugging method thereof |
| CN105387006A (en) * | 2015-10-10 | 2016-03-09 | 中国石油天然气股份有限公司 | Injection pump |
| CN103899581B (en) * | 2012-12-28 | 2016-06-08 | 中国石油天然气股份有限公司 | A kind of reacting cycle produces, reacting cycle plays hydraulic jet pump pump core method and device |
| CN111155969A (en) * | 2020-02-25 | 2020-05-15 | 林忠宝 | Sand-discharging and liquid-discharging device of jet pump matched with hollow rod |
| CN114482904A (en) * | 2022-02-10 | 2022-05-13 | 中国石油化工股份有限公司 | Jet pump core coring device and coring method |
-
2007
- 2007-11-22 CN CNU2007200884385U patent/CN201129290Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913181A (en) * | 2012-10-24 | 2013-02-06 | 中国石油化工股份有限公司 | Throwing type washable downhole pressure-bearing plugging device and plugging method thereof |
| CN102913181B (en) * | 2012-10-24 | 2015-04-08 | 中国石油化工股份有限公司 | Throwing type washable downhole pressure-bearing plugging device and plugging method thereof |
| CN103899581B (en) * | 2012-12-28 | 2016-06-08 | 中国石油天然气股份有限公司 | A kind of reacting cycle produces, reacting cycle plays hydraulic jet pump pump core method and device |
| CN105387006A (en) * | 2015-10-10 | 2016-03-09 | 中国石油天然气股份有限公司 | Injection pump |
| CN111155969A (en) * | 2020-02-25 | 2020-05-15 | 林忠宝 | Sand-discharging and liquid-discharging device of jet pump matched with hollow rod |
| CN114482904A (en) * | 2022-02-10 | 2022-05-13 | 中国石油化工股份有限公司 | Jet pump core coring device and coring 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: 20081008 Termination date: 20131122 |