CN201059262Y - Exhausting synergy injection-production oil-well pump - Google Patents
Exhausting synergy injection-production oil-well pump Download PDFInfo
- Publication number
- CN201059262Y CN201059262Y CNU200720200653XU CN200720200653U CN201059262Y CN 201059262 Y CN201059262 Y CN 201059262Y CN U200720200653X U CNU200720200653X U CN U200720200653XU CN 200720200653 U CN200720200653 U CN 200720200653U CN 201059262 Y CN201059262 Y CN 201059262Y
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- pump barrel
- box cupling
- exhaust
- synergy
- injection
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Abstract
An exhaust synergy injection-production oil well pump comprises an oil outlet head, an upper traveling valve ball, an upper traveling valve seat, a pump barrel, a plunger piston, a lower traveling valve ball, a lower traveling valve seat, a fixed valve ball and a fixed valve seat, wherein, a lower external working barrel is arranged outside the pump barrel; a closed cavity is formed between the pump barrel and the lower external working barrel; a pump barrel exhaust hole capable of discharging the gas inside the pump barrel into the closed cavity is arranged on the pump barrel; the pump barrel is fixed with the upper end of the lower external working barrel and the lower end of an upper collar; an upper exhaust hole is arranged on the upper collar; the gas inside the closed cavity can be discharged into the upper part of the top inside the pump barrel through the upper exhaust hole. The utility model is reasonable and compact in structure, can effectively solve the air lock problem of oil well pumps through the exhaust synergy injection-production oil well pump, and eliminates the early fracture accidents of the oil outlet head caused by liquid impact because of air lock to ensure that oil pumping operation can proceed normally, so as to improve production efficiency. The utility model is especially suitable for the thin oil exploitation with large gas output. The adoption of the exhaust synergy injection-production oil well pump can further realize the functions of injecting steam and draining oil.
Description
One, technical field
The utility model relates to the oil well pump technical field that is used for the oil field, is a kind of exhaust synergy injection-production oil-well pump.
Two, background technique
At present, the oil well that needs separate zone production and notes vapour in the oil field, common heavy oil oil well pump according to the GB/T18607-2001 standard production generally comprises fuel-displaced head, the upper travelling valve ball, the upper travelling valve seat, pump barrel, plunger, the lower travelling valve ball, the lower travelling valve seat, fixed valve ball and fixed valve base etc., when this common heavy oil oil well pump oil pumping, because the oil reservoir packet is arranged in 10 meters of the tops of oil well pump, the gas that stratum, packet below produces can't directly drain into upper sleeve, cause packet below gas to gather in a large number, when in oil well pump lower chambers gas pressure and the following parts casing pipe during gas pressure balancing, oiling valve is not opened, can't oil-feed; And when oil pump plunger piston is descending because gas can compress, but pressure less than the pressure of fluid column in the oil pipe, outlet valve is not opened equally, can't discharge the gas of bottom chamber, forms gas lock, causes oil well pump to lose efficacy.In the thin oil exploitation, often find because the liquid hammer that gas lock produces causes fuel-displaced early fracture.
Three, summary of the invention
The utility model provides a kind of exhaust synergy injection-production oil-well pump, has overcome the deficiency of above-mentioned prior art, can prevent the generation of oil well pump gas lock phenomenon effectively.
The utility model also can further solve the problem that oilfield is annotated vapour.
The utility model also can further solve the problem of oilfield draining.
The technological scheme of the utility model exhaust synergy injection-production oil-well pump realizes by following measure: a kind of exhaust synergy injection-production oil-well pump, comprise fuel-displaced head, the upper travelling valve ball, the upper travelling valve seat, pump barrel, plunger, the lower travelling valve ball, the lower travelling valve seat, fixed valve ball and fixed valve base, following outer working tube is arranged outside pump barrel, form enclosed cavity between pump barrel and the following outer working tube, the pump barrel exhaust port that the gas in the pump barrel can be entered enclosed cavity is arranged on pump barrel, the upper end of pump barrel and following outer working tube and the lower end of last box cupling are fixed together, on last box cupling upper air-vent is arranged, the gas in the enclosed cavity can enter top or top in the pump barrel by upper air-vent.
Be further optimization and/or improvements below to above-mentioned technical solutions of the utility model:
Above-mentioned upper end of going up box cupling can be fixed together with the lower end of last pump barrel and last outer working tube.
Above-mentioned upper end of going up pump barrel and last outer working tube can be fixed together with the pump barrel box cupling, the top exhaust port is arranged on the pump barrel box cupling, between last pump barrel and the last outer working tube ring cavity is arranged, top exhaust port, ring cavity, upper air-vent, enclosed cavity are connected, and the gas in the enclosed cavity can enter in the pump barrel box cupling by upper air-vent, ring cavity, top exhaust port.
Can have on the box cupling on above-mentioned and annotate the inside and outside connection that box cupling can will be gone up in vapour draining hole.
Above-mentioned notes vapour draining hole can be positioned at plunger and put on the last box cupling that can expose fully in notes vapour draining hole, back, oil well pump bottom.
The lower end of above-mentioned pump barrel can be fixed together by the upper end of middle box cupling and pump barrel pipe nipple.
The lower end of above-mentioned pump barrel pipe nipple can be by box cupling and standing valve cover are fixed together down.
The bottom of above-mentioned outer working tube down can be fixed together with following box cupling by the sealing box cupling.
The bottom of above-mentioned outer working tube down can be fixed together by sealing box cupling and standing valve cover.
The bottom of above-mentioned outer working tube down can be fixed together by sealing box cupling and following box cupling and standing valve cover.
The utility model reasonable and compact in structure, utilize this exhaust synergy injection-production oil-well pump can solve the gas lock problem of oil well pump effectively, eliminated the accident that causes fuel-displaced early fracture because of gas lock generation liquid hammer, the oil pumping operation can normally be carried out, thereby improved manufacturing efficiency, be specially adapted to the big thin oil exploitation of gas output; Utilize this exhaust synergy injection-production oil-well pump can also further realize annotating the function of vapour and draining.
Four, description of drawings
Accompanying drawing 1 is the main TV structure schematic representation of the utility model most preferred embodiment,
Accompanying drawing 2 is that the A-A of accompanying drawing 1 is to the sectional structure schematic representation;
Coding in the accompanying drawing is respectively: 1 is the pump barrel box cupling, and 2 is last outer working tube, and 3 is last pump barrel, 4 is last box cupling, and 5 are following outer working tube, and 6 is fuel-displaced head, 7 is the upper travelling valve ball, and 8 is the upper travelling valve seat, and 9 is last pressed joint, 10 is pump barrel, and 11 is plunger, and 12 is middle box cupling, 13 is the pump barrel pipe nipple, and 14 is the lower travelling valve cover, and 15 is the lower travelling valve ball, 16 is the lower travelling valve seat, and 17 are following pressed joint, and 18 are following box cupling, 19 are the sealing box cupling, and 20 is standing valve cover, and 21 is fixed valve ball, 22 is fixed valve base, 23 is the standing valve joint, and 24 is the pump barrel exhaust port, and 25 for annotating vapour draining hole, 26 is upper air-vent, and 27 is the top exhaust port.
Five, embodiment
The utility model is not subjected to following embodiment's restriction, can determine concrete mode of execution according to the technical solution of the utility model and actual conditions.
Below in conjunction with embodiment and accompanying drawing the utility model is further described:
Shown in attached Fig. 1 and 2, this exhaust synergy injection-production oil-well pump comprises fuel-displaced 6, upper travelling valve ball 7, upper travelling valve seat 8, pump barrel 10, plunger 11, lower travelling valve ball 15, lower travelling valve seat 16, fixed valve ball 21 and fixed valve base 22, following outer working tube 5 is arranged outside pump barrel 10, form enclosed cavity between pump barrel 10 and the following outer working tube 5, the pump barrel exhaust port 24 that the gas in the pump barrel 10 can be entered enclosed cavity is arranged on pump barrel 10, the upper end of pump barrel 10 and following outer working tube 5 and the lower end of last box cupling 4 are fixed together, on last box cupling 4 upper air-vent 26 is arranged, the gas in the enclosed cavity can enter top or top in the pump barrel 10 by upper air-vent 26.So just the gas in the pump barrel 10 can be passed through pump barrel exhaust port 24, enclosed cavity and upper air-vent 26 discharges, thereby solve the gas lock problem of oil well pump.
Can according to actual needs above-mentioned exhaust synergy injection-production oil-well pump be made further optimization and/or improvements:
For the ease of installing and reaching exhaust effect preferably, shown in attached Fig. 1 and 2, the upper end of last box cupling 4 can be fixed together with the lower end of last pump barrel 3 and last outer working tube 2; Upper end and the pump barrel box cupling 1 of preferably going up pump barrel 3 and last outer working tube 2 are fixed together, top exhaust port 27 is arranged on pump barrel box cupling 1, between last pump barrel 3 and the last outer working tube 2 ring cavity is arranged, top exhaust port 27, ring cavity, upper air-vent 26, enclosed cavity are connected, and the gas in the enclosed cavity can enter in the pump barrel box cupling 1 by upper air-vent 26, ring cavity, top exhaust port 27.
Shown in attached Fig. 1 and 2, for the ease of installing, the lower end of pump barrel 10 can be fixed together by the upper end of middle box cupling 12 with pump barrel pipe nipple 13; The lower end of pump barrel pipe nipple 13 can be by box cupling 18 and standing valve cover 20 are fixed together down; The bottom of following outer working tube 5 is fixed together with following box cupling 18 by sealing box cupling 19, perhaps descend the bottom of outer working tube 5 to be fixed together with standing valve cover 20, perhaps descend the bottom of outer working tube 5 to be fixed together by sealing box cupling 19 and following box cupling 18 and standing valve cover 20 by sealing box cupling 19.
In order to make the utility model also have the notes vapour of oil well and the function of draining, shown in attached Fig. 1 and 2, can have on last box cupling 4 and annotate the inside and outside connection that box cupling 4 can will be gone up in vapour draining hole 25, notes vapour draining hole 25 preferably is positioned at annotates on the last box cupling 4 that can expose fully in vapour draining hole 25 after plunger 11 is put into the oil well pump bottom.
In the utility model: fuel-displaced head, upper travelling valve ball, upper travelling valve seat, pump barrel, plunger, lower travelling valve ball, lower travelling valve seat, fixed valve ball and fixed valve base etc. all adopt existing technique known.
Above technical characteristics has constituted most preferred embodiment of the present utility model, and it has stronger adaptability and best implementation result, can increase and decrease non-essential technical characteristics according to actual needs, satisfies the demand of different situations.
The working principle of the utility model most preferred embodiment is as follows:
1, venting principleand: when plunger 11 arrives upper dead center, pump barrel exhaust port 24 on the pump barrel 10 exposes, the gas of oil well pump bottom chamber can enter in the enclosed cavity by the pump barrel exhaust port 24 on the pump barrel 10, and then enters in the oil pipe on oil well pump top by upper air-vent 26, ring cavity, top exhaust port 27.
2, annotate the vapour principle: when oil well need be annotated vapour, as long as plunger 11 is put into the end, expose the notes vapour draining hole 25 on the box cupling 4, last pump barrel 3, the notes vapour draining hole 25 on the last box cupling 4 that high-pressure and high-temperature steam can be passed through top oil pipe, oil well pump arrive outer working tube 5 sleeve pipe and oil reservoir outward down.
3, draining principle: when the needs well workover, need only the last pump barrel 3 that plunger 11 is proposed oil well pumps, the crude oil in the oil pipe on oil well pump top can and be annotated vapour draining hole 25 and let out to the sleeve pipe of following outer working tube 5 by last pump barrel 3.
In sum, the utility model can realize that not only exhaust solves the gas lock problem, and can also further realize annotating the function of vapour and draining.
Claims (10)
1. exhaust synergy injection-production oil-well pump, comprise fuel-displaced head, the upper travelling valve ball, the upper travelling valve seat, pump barrel, plunger, the lower travelling valve ball, the lower travelling valve seat, fixed valve ball and fixed valve base, it is characterized in that pump barrel has following outer working tube outward, form enclosed cavity between pump barrel and the following outer working tube, the pump barrel exhaust port that the gas in the pump barrel can be entered enclosed cavity is arranged on pump barrel, the upper end of pump barrel and following outer working tube and the lower end of last box cupling are fixed together, on last box cupling upper air-vent is arranged, the gas in the enclosed cavity can enter top or top in the pump barrel by upper air-vent.
2. exhaust synergy injection-production oil-well pump according to claim 1 is characterized in that the upper end of box cupling and the lower end of last pump barrel and last outer working tube are fixed together.
3. exhaust synergy injection-production oil-well pump according to claim 2, the upper end and the pump barrel box cupling that it is characterized in that pump barrel and last outer working tube are fixed together, the top exhaust port is arranged on the pump barrel box cupling, between last pump barrel and the last outer working tube ring cavity is arranged, top exhaust port, ring cavity, upper air-vent, enclosed cavity are connected, and the gas in the enclosed cavity can enter in the pump barrel box cupling by upper air-vent, ring cavity, top exhaust port.
4. exhaust synergy injection-production oil-well pump according to claim 3 is characterized in that the inside and outside connection that has notes vapour draining hole will go up box cupling on the box cupling.
5. exhaust synergy injection-production oil-well pump according to claim 4 is characterized in that annotating vapour draining hole and is positioned at plunger and puts into back, oil well pump bottom and annotate on the last box cupling that can expose fully in vapour draining hole.
6. according to claim 1 or 2 or 3 or 4 or 5 described exhaust synergy injection-production oil-well pumps, the lower end that it is characterized in that pump barrel is fixed together by the upper end of middle box cupling and pump barrel pipe nipple.
7. exhaust synergy injection-production oil-well pump according to claim 6, the lower end that it is characterized in that the pump barrel pipe nipple is by box cupling and standing valve cover are fixed together down.
8. exhaust synergy injection-production oil-well pump according to claim 7 is characterized in that the bottom of outer working tube is fixed together with following box cupling by the sealing box cupling down.
9. exhaust synergy injection-production oil-well pump according to claim 7 is characterized in that the bottom of outer working tube is fixed together by sealing box cupling and standing valve cover down.
10. exhaust synergy injection-production oil-well pump according to claim 7 is characterized in that the bottom of outer working tube is fixed together by sealing box cupling and following box cupling and standing valve cover down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720200653XU CN201059262Y (en) | 2007-07-13 | 2007-07-13 | Exhausting synergy injection-production oil-well pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720200653XU CN201059262Y (en) | 2007-07-13 | 2007-07-13 | Exhausting synergy injection-production oil-well pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201059262Y true CN201059262Y (en) | 2008-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720200653XU Expired - Fee Related CN201059262Y (en) | 2007-07-13 | 2007-07-13 | Exhausting synergy injection-production oil-well pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201059262Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711686A (en) * | 2012-09-29 | 2014-04-09 | 盐城市华谊石油机械有限公司 | Novel water injection pump |
| CN110410302A (en) * | 2019-07-16 | 2019-11-05 | 中国石油天然气股份有限公司 | A kind of hydraulic feedback preventing gas lock pumps |
| CN110541809A (en) * | 2019-09-06 | 2019-12-06 | 大连虹桥科技有限公司 | double-acting oil-well pump capable of being filled with oil and draining oil |
-
2007
- 2007-07-13 CN CNU200720200653XU patent/CN201059262Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711686A (en) * | 2012-09-29 | 2014-04-09 | 盐城市华谊石油机械有限公司 | Novel water injection pump |
| CN110410302A (en) * | 2019-07-16 | 2019-11-05 | 中国石油天然气股份有限公司 | A kind of hydraulic feedback preventing gas lock pumps |
| CN110541809A (en) * | 2019-09-06 | 2019-12-06 | 大连虹桥科技有限公司 | double-acting oil-well pump capable of being filled with oil and draining oil |
| CN110541809B (en) * | 2019-09-06 | 2024-06-04 | 大连虹桥科技有限公司 | Double-acting oil pump capable of being filled with oil capable of being drained |
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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: 20080514 Termination date: 20150713 |
|
| EXPY | Termination of patent right or utility model |