CN105526136A - Underground self-propelled booster pump of horizontal well in oil field - Google Patents
Underground self-propelled booster pump of horizontal well in oil field Download PDFInfo
- Publication number
- CN105526136A CN105526136A CN201410581654.8A CN201410581654A CN105526136A CN 105526136 A CN105526136 A CN 105526136A CN 201410581654 A CN201410581654 A CN 201410581654A CN 105526136 A CN105526136 A CN 105526136A
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- suction booster
- booster pump
- horizontal well
- outlet
- propelled
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Abstract
The invention discloses an underground self-propelled booster pump of a horizontal well in an oil field. The booster pump comprises a suction inlet and an outlet, wherein a cavity is formed between the suction inlet and the outlet. The booster pump further comprises a sealing part and a control valve; the sealing part is arranged between the inner wall of a shaft and a booster pump part; a fluid between the shaft and the booster pump part is separated by the sealing part and positioned at the two sides of the sealing part; the control valve is positioned between the suction inlet and the outlet; and the suction inlet and the outlet are positioned at the two sides of the sealing part respectively. According to the booster pump, the fluid is pumped from one side of the sealing part to the other side of the sealing part by a motor, and differential pressure is formed between the two sides of the booster pump through the sealing part, so that the booster pump can be propelled in the shaft through the differential pressure.
Description
Technical field
The present invention relates to a kind of down-hole self-propelled suction booster of oilfield horizontal well
Background technique
In petroleum production process, usually when drilling well, from oil field upper vertical drilling well.But in some cases, drilling well mouth away from petroleum reservoir, therefore when drilling well, may need drilling well in the horizontal direction.Horizontal well refers to that hole angle reaches or close to 90 °, well bore creeps into the well of certain length along substantially horizontal, and in general, horizontal well is applicable to thin oil-gas layer or fractured reservoirs, and object is the bare area increasing oil-gas layer.
In oil-gas mining process, usually need to place suction booster in down-hole, to increase pressure, down-hole liquid pump is got on.Usually, in peupendicular hole, suction booster relies on gravity to enter down-hole, pulls it pit shaft by the rope be connected with pump.Such as, for the well with larger angle, horizontal well, suction booster must rely on external thrust to arrive precalculated position.In prior art, usually use drive plunger that suction booster is pushed to precalculated position, drive plunger is normally arranged on for conveying equipment in pit shaft, and common drive post is plugged with is advanced to preset direction by wheel or belt drive plunger.Drive plunger has very strong thrust, is therefore generally used for transporting the larger equipment of weight.Above-mentioned plunger must pull out pit shaft after suction booster arrives predeterminated position, in the process of plunger pull-out pit shaft, therefore likely can damage the power line of suction booster.
Summary of the invention
The present invention is in order to solve the problem of prior art, provide a kind of down-hole pump with the horizontal well of self-propelled ability, described suction booster comprises suction port and outlet, cavity is provided with between described suction port and outlet, described suction booster also comprises sealed department and control valve, sealed department is arranged between shaft in wall and suction booster, sealed department by the fluid partitioning between pit shaft and suction booster in sealed department both sides, described control valve is between suction port and outlet, and described suction port and outlet lay respectively at sealed department both sides.
It is below attached technological scheme of the present invention.
Preferably, described suction booster also comprises positioning device, and positioning device is arranged on suction booster end, and positioning device comprises at least three elastic bumps.
Preferably, described control valve is solenoid valve.
Preferably, described suction booster has motor and power line, and power line is electrically connected with motor and control valve respectively.
Advantageous Effects of the present invention: fluid is extracted into opposite side from the side of sealed department by motor by suction booster of the present invention, simultaneously by sealed department, makes suction booster both sides mineralization pressure poor, thus suction booster can be advanced by pressure difference in pit shaft.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of embodiment of the present invention suction booster.
Fig. 2 is the sectional view of embodiment of the present invention positioning device.
In figure: suction booster 1, motor 2, suction port 3, cavity 4, outlet 5, link 6, power line 7, sealed department 8, positioning device 9, pit shaft 10, control valve 11, annular space 12.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
As depicted in figs. 1 and 2, the suction booster 1 of the present embodiment is by power-actuated suction booster, and it comprises motor 2, suction port 3, cavity 4, outlet 5 and link 6.Described link 6 is for connecting power line 7, and power line 7 and motor 2 are electrically connected, for motor 2 provides electric energy.Described suction port 3 is arranged on motor 2 end, and described suction booster 1 is provided with sealed department 8, and sealed department 8 is arranged between the inwall of pit shaft 10 and suction booster 1.Described suction booster 1 end is provided with positioning device 9, the central position of positioning device 9 for making suction booster roughly remain on pit shaft 10.Described positioning device 9 comprises at least three elastic bumps, and elastic bumps is arranged on the motor 2 of suction booster, and is close to pit shaft 10 inwall.Control valve 11 is provided with, for controlling the fluid flowing through suction booster 1 between described cavity 4 and outlet 5.Control valve 11 can be solenoid valve, and it is powered by power line 7, thus opens or closes.
When using suction booster 1, filled in pit shaft 10, now control valve 11 is closed.Sealed by sealed department 8 between pit shaft 10 and suction booster 1, the fluid in pit shaft 10 is blocked by sealed department 8.After power line 7 is energized, motor 2 entry into service, described control valve 11 is opened, and the fluid in pit shaft 10 enters in cavity 4 by the annular space 12 between pit shaft 10 and motor 2 through suction port 3, and fluid enters the opposite side of sealed department 8 after cavity 4 by outlet 5.Sealed department 8 makes fluid to return, thus suction booster 1 constantly can be advanced by pressure reduction, simultaneously continuous fluid in pit shaft 10 is pumped to well head side, and in figure, arrow represents the flow direction of fluid.
Fluid is extracted into opposite side from the side of suction booster by motor by the suction booster of the present embodiment, simultaneously by sealed department 8, makes suction booster both sides mineralization pressure poor, thus suction booster can be advanced automatically.It is pointed out that above-mentioned preferred embodiment is only and technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (4)
1. the down-hole self-propelled suction booster of an oilfield horizontal well, described horizontal well comprises pit shaft, described suction booster comprises suction port and outlet, cavity is provided with between described suction port and outlet, it is characterized in that: described suction booster also comprises sealed department and control valve, sealed department is arranged between shaft in wall and suction booster, sealed department by the fluid partitioning between pit shaft and suction booster in sealed department both sides, described control valve is between suction port and outlet, and described suction port and outlet lay respectively at sealed department both sides.
2. the down-hole self-propelled suction booster of oilfield horizontal well as claimed in claim 1, it is characterized in that: described suction booster also comprises positioning device, positioning device is arranged on suction booster end, and positioning device comprises at least three elastic bumps.
3. the down-hole self-propelled suction booster of oilfield horizontal well as claimed in claim 2, is characterized in that: described control valve is solenoid valve.
4. the down-hole self-propelled suction booster of oilfield horizontal well as claimed in claim 3, it is characterized in that: described suction booster has motor and power line, power line is electrically connected with motor and control valve respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410581654.8A CN105526136A (en) | 2014-10-27 | 2014-10-27 | Underground self-propelled booster pump of horizontal well in oil field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410581654.8A CN105526136A (en) | 2014-10-27 | 2014-10-27 | Underground self-propelled booster pump of horizontal well in oil field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105526136A true CN105526136A (en) | 2016-04-27 |
Family
ID=55768568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410581654.8A Pending CN105526136A (en) | 2014-10-27 | 2014-10-27 | Underground self-propelled booster pump of horizontal well in oil field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105526136A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2367795Y (en) * | 1999-04-23 | 2000-03-08 | 山东墨龙集团总公司 | Oil pump |
| CN2413060Y (en) * | 2000-05-08 | 2001-01-03 | 徐明林 | Directional hard closing oil well pump |
| CN2720156Y (en) * | 2004-04-07 | 2005-08-24 | 崔乃林 | Hydraulic driven oil-production screw pump |
| CN200968202Y (en) * | 2006-11-16 | 2007-10-31 | 叶少华 | Hydraulic oil production apparatus |
| CN201025005Y (en) * | 2007-04-23 | 2008-02-20 | 大庆油田有限责任公司 | Oil exploration device for coordination and trip pump of non metal continuous oil pipe |
| CN102409976A (en) * | 2011-12-02 | 2012-04-11 | 中国石油大学(华东) | Radial horizontal drilling system using supercritical carbon dioxide and drilling method thereof |
| CN204152768U (en) * | 2014-10-10 | 2015-02-11 | 承德石油高等专科学校 | A kind of down-hole self-propelled suction booster of oilfield horizontal well |
-
2014
- 2014-10-27 CN CN201410581654.8A patent/CN105526136A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2367795Y (en) * | 1999-04-23 | 2000-03-08 | 山东墨龙集团总公司 | Oil pump |
| CN2413060Y (en) * | 2000-05-08 | 2001-01-03 | 徐明林 | Directional hard closing oil well pump |
| CN2720156Y (en) * | 2004-04-07 | 2005-08-24 | 崔乃林 | Hydraulic driven oil-production screw pump |
| CN200968202Y (en) * | 2006-11-16 | 2007-10-31 | 叶少华 | Hydraulic oil production apparatus |
| CN201025005Y (en) * | 2007-04-23 | 2008-02-20 | 大庆油田有限责任公司 | Oil exploration device for coordination and trip pump of non metal continuous oil pipe |
| CN102409976A (en) * | 2011-12-02 | 2012-04-11 | 中国石油大学(华东) | Radial horizontal drilling system using supercritical carbon dioxide and drilling method thereof |
| CN204152768U (en) * | 2014-10-10 | 2015-02-11 | 承德石油高等专科学校 | A kind of down-hole self-propelled suction booster of oilfield horizontal well |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160427 |