CN101191411A - Antiseptic sand-proof underground pumping unit - Google Patents
Antiseptic sand-proof underground pumping unit Download PDFInfo
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- CN101191411A CN101191411A CNA2006101343080A CN200610134308A CN101191411A CN 101191411 A CN101191411 A CN 101191411A CN A2006101343080 A CNA2006101343080 A CN A2006101343080A CN 200610134308 A CN200610134308 A CN 200610134308A CN 101191411 A CN101191411 A CN 101191411A
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- sand
- blade
- strike
- overcoat
- mover
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Abstract
The invention relates to an underground oil extraction technology, in particular to an anti-corrosive sand control underground pumping unit, comprising a linear motor consisting of stators and rotors, and a piston type oil well pump connected with the linear motor, wherein, anti-corrosive wear resistant outer sleeve is arranged on the circumferential surface of the rotors; sand control devices are sleeved on the circumferential surface of the rotors and fixed on end heads of both sides of the linear motor stators; the sand control devices take the shape of a cone, are provided with sand striking cutting edges, and are connected with the anti-corrosive wear resistant outer sleeve by leaning; joint cuttings are arranged on blade parts of the sand striking cutting edges which take the structure of multiple stage; gaps are arranged between adjacent sand striking cutting edges; sand discharging openings are arranged in the circumferential direction of the sand striking cutting edges from a second stage; supporting guide sleeves are arranged between a first stage sand striking cutting edge and the anti-corrosive wear resistant outer sleeve both ends of which take incurved structure; edges of the anti-corrosive wear resistant outer sleeve extends to stop openings on connecting positions of the rotors; the anti-corrosive wear resistant outer sleeve adopt stainless steel or titanium alloy materials after hardening of the surface. The invention has anti-corrosive function and obvious sand control effect.
Description
Technical field
The present invention relates to underground oil recovery technique, specifically a kind of antiseptic sand-proof underground pumping unit.
Background technology
In the prior art, permanent magnet is to be made by metallurgical powder, not wear-resisting and not corrosion-resistant, in order to prevent the friction to underground oil pumper permanent magnet in service, outside permanent magnet, establish mover core during making in the projection mode, but permanent magnet is only applicable to not have the environment of corrosion oil extraction, has the crude oil production of corrosion then powerless for major part.In addition, the easy sand card of the permanent magnet of recessed structures, but also do not have corrosion-resistant effect.In addition, between mover and stator, advance sand grains unavoidably,, cause underground pumping unit to quit work because the gap is very little and choked between mover and the stator.
Summary of the invention
In order to overcome the above-mentioned oil extraction of corrosion situation and the deficiency of easy sand card of being unsuitable for, the object of the present invention is to provide a kind ofly can be applicable to the antiseptic sand-proof underground pumping unit oil extraction of corrosion situation, the sand control card.
To achieve these goals, technical solution of the present invention is as follows:
The present invention includes the linear electric motors formed by stator and mover, and connected plunger oil-well pump; Described mover circumferential surface is provided with the anticorrosion antiwear overcoat, and the circumferential surface of the anticorrosion antiwear overcoat of mover is arranged with sand control device, is fixedly mounted on the termination of linear motor stator electric both sides.
Wherein: described sand control device is a taper type, is provided with the blade of strike-ofing, and connects with the anticorrosion antiwear overcoat; Blade at the blade of strike-ofing is provided with joint-cutting; The described blade of strike-ofing is multistage, and adjacent level is strike-off and left the slit between the blade, the blade of strike-ofing that begins from the second level circumferentially be furnished with sand removing hole; The first order is strike-off and is provided with the support guide pin bushing between blade and the anticorrosion antiwear overcoat; Described anticorrosion antiwear overcoat two ends are the structure that bends inwards, and its edge extends to the seam of mover and mover junction; Described anticorrosion antiwear overcoat adopts stainless steel or the titanium alloy material of surface through cure process.
The present invention has following beneficial effect:
1. has antisepsis.Because the present invention makes its environment that is not only applicable to not have the corrosion oil extraction at the sheathed anticorrosion antiwear overcoat in mover surface, more is applicable to the crude oil production situation of corrosion.
2. sand controlling result is remarkable.Adopt the present invention, on the termination of linear motor stator electric both sides sand control device is installed, can handle through one-level, multistage sand control sediment outflow, the sand grains that enters is discharged by sand removing hole, strictness has prevented entering of sand grains and dirt, guarantees the motor operate as normal.
Description of drawings
Fig. 1 is an overall structure profile schematic diagram of the present invention;
Fig. 2 is the sectional view of Fig. 1 cathetus motor stator one side;
Fig. 3 is the local enlarged diagram among Fig. 2;
Wherein, 1 is mover; 2 is sand control device; 3 is linear electric motors; 4 is stator; 5 is the mover spigot; 6 for supporting guide pin bushing; 7 is sand removing hole; 8 are the blade of strike-ofing; 9 is mover core; 10 is the anticorrosion antiwear overcoat; 11 is permanent magnet; 12 is joint-cutting.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is described in further detail.
As Fig. 1～shown in Figure 3, underground pumping unit structure of the present invention: comprise the linear electric motors 3 formed by stator 4 and mover 1, and connected plunger oil-well pump; At the sheathed anticorrosion antiwear overcoat 10 of the circumferential surface of mover core 9 and permanent magnet 11, two ends are the structure that bends inwards, and its edge extends to the seam of mover and mover junction, constitute one with mover.Anticorrosion antiwear overcoat 10 adopts molten stainless steel or the titanium alloy material that nickel-alloy coating is arranged in surface, can play wear-resistance and anti-corrosion effect (be not only applicable to not have the environment of corrosion oil extraction, more be applicable to the crude oil production situation of corrosion).The circumferential surface of the anticorrosion antiwear overcoat 10 of mover is arranged with sand control device 2, is fixedly mounted on the termination of linear electric motors 3 stator both sides, and mover 1 can move back and forth in sand control device 2.Sand control device 2 is a taper type, and the one end is sleeved on the anticorrosion antiwear overcoat 10 by supporting guide pin bushing 6, and the other end is provided with the blade 8 of strike-ofing, connects with anticorrosion antiwear overcoat 10.Sand control device is strike-off blade 8 for multistage, and the blade of strike-ofing is an one-level, and each inter-stage is serially connected, and adjacent level is strike-off and left the slit between the blade, the blade of strike-ofing that begins from the second level circumferentially be evenly equipped with sand removing hole 7.Be to guarantee elasticity, be provided with joint-cutting 12 at the blade of the blade 8 of strike-ofing.
Operating principle of the present invention:
Oil pumper work, when mover 1 operation downwards, the sand grains on the anticorrosion antiwear overcoat 10 is wiped off by the blade 8 of strike-ofing of sand control device 2.Because of the blade 8 of strike-ofing can be multistagely, the blade of strike-ofing of outermost layer one-level removes sordid sand grains and also can wipe off by the blade of strike-ofing of next stage.Can be by the sand grains that blade is wiped off by the slit between level and the level, through sand removing hole 7 discharges.Anticorrosion antiwear overcoat 10 adopts stainless steel or the titanium alloy material of surface through cure process, has the anticorrosion characteristics.
Claims (5)
1. antiseptic sand-proof underground pumping unit comprises the linear electric motors be made up of stator and mover, and connected plunger oil-well pump; It is characterized in that: described mover (1) circumferential surface is provided with anticorrosion antiwear overcoat (10), and the circumferential surface of the anticorrosion antiwear overcoat (10) of mover (1) is arranged with sand control device (2), is fixedly mounted on the termination of linear electric motors (3) stator both sides.
2. by the described antiseptic sand-proof underground pumping unit of claim 1, it is characterized in that: described sand control device (2) is a taper type, is provided with the blade of strike-ofing (8), and connects with anticorrosion antiwear overcoat (10); Blade at the blade of strike-ofing (8) is provided with joint-cutting (12).
3. by the described antiseptic sand-proof underground pumping unit of claim 2, it is characterized in that: the described blade of strike-ofing (8) is for multistage, and adjacent level is strike-off and left the slit between the blade, the blade of strike-ofing that begins from the second level circumferentially be furnished with sand removing hole (7); The first order is strike-off to be provided with between blade and the anticorrosion antiwear overcoat and is supported guide pin bushing (6).
4. by the described antiseptic sand-proof underground pumping unit of claim 1, it is characterized in that: described anticorrosion antiwear overcoat (10) two ends are the structure that bends inwards, and its edge extends to the seam of mover and mover junction.
5. by the described antiseptic sand-proof underground pumping unit of claim 1, it is characterized in that: described anticorrosion antiwear overcoat (10) adopts stainless steel or the titanium alloy material of surface through cure process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101343080A CN101191411B (en) | 2006-11-20 | 2006-11-20 | Antiseptic sand-proof underground pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101343080A CN101191411B (en) | 2006-11-20 | 2006-11-20 | Antiseptic sand-proof underground pumping unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101191411A true CN101191411A (en) | 2008-06-04 |
| CN101191411B CN101191411B (en) | 2011-12-07 |
Family
ID=39486597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101343080A Expired - Fee Related CN101191411B (en) | 2006-11-20 | 2006-11-20 | Antiseptic sand-proof underground pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101191411B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967960A (en) * | 2010-09-21 | 2011-02-09 | 佛山市顺德区精艺动力科技有限公司 | Dirt removal protection device for underground pumping unit |
| CN102312664A (en) * | 2011-01-10 | 2012-01-11 | 郑艳 | Numerical-control intelligent oil extractor system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200971848Y (en) * | 2006-11-20 | 2007-11-07 | 冯春国 | Corrosion-proof sand-proof underground beam unit |
-
2006
- 2006-11-20 CN CN2006101343080A patent/CN101191411B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967960A (en) * | 2010-09-21 | 2011-02-09 | 佛山市顺德区精艺动力科技有限公司 | Dirt removal protection device for underground pumping unit |
| CN102312664A (en) * | 2011-01-10 | 2012-01-11 | 郑艳 | Numerical-control intelligent oil extractor system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101191411B (en) | 2011-12-07 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111207 Termination date: 20151120 |
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| EXPY | Termination of patent right or utility model |