CN2823597Y - Linear motor double pumping oil pumping device for downhole - Google Patents
Linear motor double pumping oil pumping device for downhole Download PDFInfo
- Publication number
- CN2823597Y CN2823597Y CN 200520085444 CN200520085444U CN2823597Y CN 2823597 Y CN2823597 Y CN 2823597Y CN 200520085444 CN200520085444 CN 200520085444 CN 200520085444 U CN200520085444 U CN 200520085444U CN 2823597 Y CN2823597 Y CN 2823597Y
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- China
- Prior art keywords
- pump
- oil well
- well pump
- linear motor
- oil
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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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- Reciprocating Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model discloses an underground double-pumping oil pumping device with a linear motor, which comprises a linear motor, and an upper and a lower oil well pumps, wherein the linear motor mainly comprises a protector, a stator and a mover, the upper oil well pump mainly comprises an upper oil inlet valve, an outer barrel, a pump barrel, a pump plunger and an upper oil outlet valve, and the lower oil well pump mainly comprises a lower oil inlet valve, a plunger piston and a lower oil outlet valve. The upper part of the linear motor is connected with the outer barrel of the upper oil well pump, and the lower part is connected with a pump barrel of the lower oil well pump. The pump plunger of the upper oil well pump is connected with the mover of the linear motor, and the lower oil well pump is connected with the mover through a connecting pipe. The utility model with the characteristics of high efficiency, environment protection, no eccentric wear, etc. is used in the petroleum pumping technique.
Description
One, technical field
The utility model relates to deep-well pump, particularly a kind of down-hole linear motor black soy sauce oil rig.
Two, background technique
Existing petroleum production oil rig is driven a whole set of downhole hardware by beam pumping unit, as rod string, unidirectional plunger pump etc., this oil rig is that petroleum production makes a great contribution, but it is big that it also exists weight simultaneously, and the energy consumption height is operated heavy, efficient is low, exist many improvement measures in thick oil well and the inclined shaft, but still can not overcome or avoid these shortcomings or deficiency effectively, directly influence the petroleum production effect.
Three, summary of the invention
The purpose of this utility model provides a kind of down-hole linear motor black soy sauce oil rig, shortcoming or deficiency that it can overcome effectively or avoid existing in the above-mentioned prior art improve the efficient of oil rig, weight reduction effectively, cut down the consumption of energy, improve development effectiveness.
Down-hole linear motor black soy sauce oil rig described in the utility model; comprise linear electric motor and upper and lower part oil well pump; described linear electric motor mainly comprise protector, stator and mover; described top oil well pump mainly comprises oiling valve, urceolus, pump barrel, pump plunger and last outlet valve; the bottom oil well pump mainly comprises oiling valve, plunger, following outlet valve down; described linear electric motor top connects goes up the oil well pump urceolus; the bottom is connected with down the oil well pump pump barrel; the top oil pump plunger piston is connected with linear motor rotor, and the bottom oil well pump is connected with mover by connecting tube.
Wherein, the described oil pump plunger piston lower end of going up is provided with perforate, is connected with annular space between the urceolus with last oil well pump pump barrel.Described linear motor rotor is the cavity type structure, and this cavity and top oil well pump pump barrel are connected with the annular space of tubing string.
The utility model has pipe bar eccentric wear free compared with prior art, and it is low, easy to operate to consume energy, efficient height, advantage such as development effectiveness is good.
Four, description of drawings
Accompanying drawing is the utility model structural representation.
Five, embodiment
Consult accompanying drawing, a kind of down-hole linear motor black soy sauce oil rig comprises linear electric motor and oil well pump up and down, and linear electric motor comprise protector 6 and stator 7 that links to each other in turn and mover 8; The top oil well pump mainly comprises oiling valve 1, urceolus 2, pump barrel 3, plunger 5 and last outlet valve 4; The bottom oil well pump mainly comprises oiling valve 12, plunger 10, following outlet valve 11 down.Linear electric motor top connects goes up oil well pump urceolus 2, and the bottom connects oil well pump pump barrel 13 down, and top oil pump plunger piston 5 is connected with linear motor rotor 8 by pull bar 14, and the bottom oil well pump is connected with mover 8 lower ends by connecting tube 9.
Mover 8 is the cavity type structure, and this cavity is connected with the annular space of oil pipe 2 with top oil well pump pump barrel 3.Following oiling valve 12 is installed on pump barrel 13.Last oil pump plunger piston and lower end are provided with perforate, are connected with annular space between the urceolus 2 with last oil well pump pump barrel 3.
Claims (3)
1, a kind of down-hole linear motor black soy sauce oil rig; comprise linear electric motor and upper and lower part oil well pump; described linear electric motor mainly comprise protector, stator and mover; described top oil well pump mainly comprises oiling valve, urceolus, pump barrel, pump plunger and last outlet valve; the bottom oil well pump mainly comprises oiling valve, plunger and following outlet valve down; it is characterized in that described linear electric motor top connects upward oil well pump urceolus; the bottom is connected with down the oil well pump pump barrel; the top oil pump plunger piston is connected with linear motor rotor, and the bottom oil well pump is connected with mover by connecting tube.
2, down-hole linear motor black soy sauce oil rig according to claim 1 is characterized in that the described oil pump plunger piston lower end of going up is provided with perforate, is connected with annular space between the urceolus with last oil well pump pump barrel.
3, down-hole linear motor black soy sauce oil rig according to claim 1 is characterized in that described linear motor rotor is the cavity type structure, and this cavity and top oil well pump pump barrel are connected with the annular space of tubing string.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520085444 CN2823597Y (en) | 2005-07-18 | 2005-07-18 | Linear motor double pumping oil pumping device for downhole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520085444 CN2823597Y (en) | 2005-07-18 | 2005-07-18 | Linear motor double pumping oil pumping device for downhole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2823597Y true CN2823597Y (en) | 2006-10-04 |
Family
ID=37032710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520085444 Expired - Fee Related CN2823597Y (en) | 2005-07-18 | 2005-07-18 | Linear motor double pumping oil pumping device for downhole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2823597Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989000A (en) * | 2017-05-28 | 2017-07-28 | 上海飞舟博源石油装备技术有限公司 | Double barrier film latent oil Diaphragm pump systems and its relay lifting method |
| CN108222891A (en) * | 2018-03-20 | 2018-06-29 | 西南石油大学 | A kind of composite oil pumping device of linear dynamo oil pump and electric submersible pump concatenation |
| CN108880178A (en) * | 2018-07-05 | 2018-11-23 | 宁波修远机电有限公司 | Multistage linear motor and its oil well pump |
-
2005
- 2005-07-18 CN CN 200520085444 patent/CN2823597Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989000A (en) * | 2017-05-28 | 2017-07-28 | 上海飞舟博源石油装备技术有限公司 | Double barrier film latent oil Diaphragm pump systems and its relay lifting method |
| CN108222891A (en) * | 2018-03-20 | 2018-06-29 | 西南石油大学 | A kind of composite oil pumping device of linear dynamo oil pump and electric submersible pump concatenation |
| CN108880178A (en) * | 2018-07-05 | 2018-11-23 | 宁波修远机电有限公司 | Multistage linear motor and its oil well pump |
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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: 20061004 |