CN2866904Y - Booster water filling electric submersible pump - Google Patents
Booster water filling electric submersible pump Download PDFInfo
- Publication number
- CN2866904Y CN2866904Y CN 200520027725 CN200520027725U CN2866904Y CN 2866904 Y CN2866904 Y CN 2866904Y CN 200520027725 CN200520027725 CN 200520027725 CN 200520027725 U CN200520027725 U CN 200520027725U CN 2866904 Y CN2866904 Y CN 2866904Y
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- CN
- China
- Prior art keywords
- pump
- electric submersible
- shell
- submersible pump
- water injection
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A supercharging water filling electric submersible pump comprises a pump casing, a top pump head and a bottom pump head, more than one level of turbine wheels are provided between the grindering pair in the pump casing and are concatenated to the mainshaft with a shell sequentially, the turbine wheel is limited on the mainshaft via a retainer and lower pump stop ring, the shell is secured in the pump casing pressed by the top and the bottom pump head, the mainshaft and the turbine wheel form an integral rotameter member rotatable under the driving of an oil-submersible motor, and the pump casing and the shell form a stator member rotatable under the driving of an oil-submersible motor. An floating axial space is provided between the rotating turbine wheel and the adjacent two shells. The pump casing is provided with a inducer with a liquid inlet. The advantages of the present utility model are that: 1, the supercharging water filling electric submersible pump is convenient and rapid to assemble and operate because of the structure form. 2, two grindering pairs made of antifriction material are provided at the top and the bottom of the supercharging water filling electric submersible pump respectively, which not only ensures equilibrium operating of the rotatable parts but also has the function of abrasion resistance. 3, the application area is broad and business development foreground is good.
Description
(1) technical field:
The utility model relates to electric submersible pump, particularly a kind of pressurized water injection electric submersible pump.
(2) background technique:
Electric submersible pump is a kind of oil production equipment that extensively adopt in present oil field.The whole system of general electric submersible pump is placed in the oil well, and liquid entering hole is in the lower end of pump, with oil from extracted downhole to ground.Along with the continuous exploitation of oil, strata pressure reduces gradually, and at this moment just needing increases strata pressure by to the stratum water filling, so that increase the quantum of output of oil.Therefore, how to resolve the new important topic that pressurized water injection is the design electric submersible pump.
(3) goal of the invention:
The purpose of this utility model is to design a kind of pressurized water injection electric submersible pump, it can resolve the pressurized water injection problem from structure, and the surface water is injected in the water injection well after pressurizeing by this pressurized water injection electric submersible pump, so that increase strata pressure, and then the quantum of output of increase oil.
The technical solution of the utility model: a kind of pressurized water injection electric submersible pump, comprise electric submersible pump pump case and upper pump head and lower pump head, it is characterized in that placing in pump case is serially connected on the main shaft to grinding the impeller that is no less than one-level between the pair and leading shell successively, impeller is defined to main shaft according to the pump stop ring of back-up ring and lower end, lead shell and compress to be fixed and place in the pump case, main shaft and impeller and pump case and lead the shell formation one integral rotor parts and the stator component that can under the drive of oil-submersible motor, rotate according to last lower pump head; The impeller that rotates has the axial clearance amount that can fluctuate adjacent leading with it between the shell; Said pump case upper end is connected with the inducer of band liquid entering hole.
Above-mentioned said pressurized water injection electric submersible pump is equipped with the transportation cap and transports cap down according to attachment bolt and attachment bolt respectively with upper pump head and lower pump head two ends that pump case links when not using.
Above-mentioned said be to constitute to grinding pair by upper bearing sleeve and top bearing shell and lower bearing sleeve and lower bearing; Said upper bearing sleeve is placed on the main shaft, and is connected with top bearing shell; Said lower bearing sleeve is placed on the main shaft, and is connected with lower bearing.
Working principle of the present utility model is: it is different with the structure of existing electric submersible pump, and the liquid entering hole of existing electric submersible pump is in the lower end of pump, and the liquid entering hole of pressurized water injection electric submersible pump is in the upper end of pump.This changes is not that simple inversion by electric submersible pump reaches, but the redesign of whole pressurized water injection pump structure is finished.This pressurized water injection electric submersible pump is when pump work, and every grade of impeller leads in its adjacent two-stage that the variation along with pressure can fluctuate between the shell.This pump structure form is middle joint pump, and the upper end of pump connects with inducer or last joint pump by last attachment bolt; The lower end of pump connects with supercharging electric submersible pump safety check or following joint pump by lower contact.The upper and lower end of pressurized water injection electric submersible pump be equipped with respectively that a pair of employing high-abrasive material makes to grinding pair " metal (upper cover and last lower bearing ", can either guarantee that rotatable parts are stable, can play anti abrasive effect again.
Technological merit of the present utility model is: 1, the structural type of this pressurized water injection electric submersible pump makes that the unit fitting operation is convenient and swift; 2, the upper and lower end of pressurized water injection electric submersible pump be equipped with respectively that a pair of employing high-abrasive material makes to grinding pair, can either guarantee that rotatable parts are stable, can play anti abrasive effect again; 3, have wide range of applications, have the good commercial DEVELOPMENT PROSPECT.
(4) description of drawings:
Accompanying drawing 1 is the unused state overall structure schematic representation of the related a kind of pressurized water injection electric submersible pump of the utility model.
Accompanying drawing 2 is the user mode overall structure schematic representation of the related a kind of pressurized water injection electric submersible pump of the utility model.
Wherein: 1-upper pump head, 1a-attachment bolt, 2-shaft block ring, the 3-upper bearing sleeve, 4-top bearing shell, 5-impeller, 6-leads shell, 7-pump case, 8-main shaft, 9-pump stop ring, 10-lower bearing, 11-lower bearing sleeve, the 12-lower pump head, 12a-attachment bolt, 13-be the transportation cap down, the last transportation of 14-cap, 15-inducer, 15a-liquid entering hole.
(5) embodiment:
Embodiment: a kind of pressurized water injection electric submersible pump (seeing Fig. 1,2), comprise electric submersible pump pump case 7 and upper pump head 1 and lower pump head 12, it is characterized in that placing in pump case 7 is serially connected on the main shaft 8 successively to grinding the impeller that is no less than one-level 5 between the pair and leading shell 6, impeller 5 is defined to main shaft 8 according to the pump stop ring 9 of back-up ring 2 and lower end, lead shell 6 and compress to be fixed according to last lower pump head and place in the pump case 7, main shaft 8 and impeller 5 and pump case 7 with lead shell 6 and constitute the integral rotor parts and the stator component that can under the drive of oil-submersible motor, rotate; The impeller 5 that rotates is led in adjacent with it two-stage the axial clearance amount that can fluctuate between the shell 6; Said pump case 7 upper ends are connected with the inducer 15 of band liquid entering hole 15a.
The upper pump head 1 of above-mentioned said pressurized water injection electric submersible pump pump case 7 when not using is equipped with transportation cap 14 and transports cap 13 down according to attachment bolt 1a and attachment bolt 12a respectively with lower pump head 12 two ends.
Above-mentioned said be to constitute with lower bearing 10 to grinding pair by upper bearing sleeve 3 and top bearing shell 4 and lower bearing sleeve 11.
Using method of the present utility model with working procedure is: the upper end of this pressurized water injection electric submersible pump connects with inducer 15 by attachment bolt 1a; The lower end connects with pressurized water injection electric submersible pump safety check by lower pump head 12.The surface water enters the pressurized water injection electric submersible pump from the upper end by inducer 15, after the pressurization of pressurized water injection electric submersible pump, enters safety check, and injects undergroundly, finishes the water filling task.
Claims (3)
1, a kind of pressurized water injection electric submersible pump, comprise electric submersible pump pump case and upper pump head and lower pump head, it is characterized in that placing in pump case is serially connected on the main shaft to grinding the impeller that is no less than one-level between the pair and leading shell successively, impeller is defined to main shaft according to the pump stop ring of back-up ring and lower end, lead shell and compress to be fixed and place in the pump case, main shaft and impeller and pump case and lead the shell formation one integral rotor parts and the stator component that can under the drive of oil-submersible motor, rotate according to last lower pump head; The impeller that rotates has the axial clearance amount that can fluctuate adjacent leading with it between the shell; Said pump case upper end is connected with the inducer of band liquid entering hole.
2, according to the said a kind of pressurized water injection electric submersible pump of claim 1, it is characterized in that said pressurized water injection electric submersible pump when not using, the transportation cap is housed and transports cap down according to attachment bolt and attachment bolt respectively with upper pump head and lower pump head two ends that pump case links.
3,, it is characterized in that said is to be made of upper bearing sleeve and top bearing shell and lower bearing sleeve and lower bearing to grinding pair according to the said a kind of pressurized water injection electric submersible pump of claim 1; Said upper bearing sleeve is placed on the main shaft, and is connected with top bearing shell; Said lower bearing sleeve is placed on the main shaft, and is connected with lower bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520027725 CN2866904Y (en) | 2005-10-09 | 2005-10-09 | Booster water filling electric submersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520027725 CN2866904Y (en) | 2005-10-09 | 2005-10-09 | Booster water filling electric submersible pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2866904Y true CN2866904Y (en) | 2007-02-07 |
Family
ID=37702609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520027725 Expired - Fee Related CN2866904Y (en) | 2005-10-09 | 2005-10-09 | Booster water filling electric submersible pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2866904Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3655659A4 (en) * | 2017-07-20 | 2021-04-21 | Ge Oil & Gas Esp, Inc. | Pumping system shaft conversion adapter |
-
2005
- 2005-10-09 CN CN 200520027725 patent/CN2866904Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3655659A4 (en) * | 2017-07-20 | 2021-04-21 | Ge Oil & Gas Esp, Inc. | Pumping system shaft conversion adapter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Lu Feng Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070207 Termination date: 20091109 |