CN206071476U - The Inner guide centralizer that a kind of sucker rod is used - Google Patents
The Inner guide centralizer that a kind of sucker rod is used Download PDFInfo
- Publication number
- CN206071476U CN206071476U CN201620751438.8U CN201620751438U CN206071476U CN 206071476 U CN206071476 U CN 206071476U CN 201620751438 U CN201620751438 U CN 201620751438U CN 206071476 U CN206071476 U CN 206071476U
- Authority
- CN
- China
- Prior art keywords
- adapter sleeve
- positive cover
- supporting positive
- sucker rod
- inner guide
- Prior art date
- 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
Links
Abstract
The Inner guide centralizer that a kind of sucker rod is used, the Inner guide centralizer includes supporting positive cover (2) and adapter sleeve (3), tongue is provided with supporting positive cover and three symmetrical elliptical holes are set, the two ends of supporting positive cover have taper, in the physical location of the adapter sleeve of reverse gibbous shape, one elliptical hole is set, adapter sleeve two ends also have taper, the axial length of adapter sleeve is equal to the axial length of supporting positive cover, supporting positive cover is buckled in into any position of sucker rod (1) body of rod, then adapter sleeve is buckled in the tongue of supporting positive cover the connection for being capable of achieving Inner guide centralizer, centralizer is four elliptical holes using four Inner guide holes, water conservancy diversion area can be increased to greatest extent, improve radiating and de-waxing performance, reduce flow liquid resistance, reduce the torque value on sucker rod, make the working condition of sucker rod more stable, performance is more projected.
Description
Technical field
This utility model belongs to oilfield exploitation accessory technical field, the Inner guide righting that especially a kind of sucker rod is used
Device.
Background technology
Sucker rod pumps generation elastic deformation, and the sucker rod after elastic deformation easily rubs with tubing wall generation
Wipe, and the increase that rubs then makes sucker rod easily disconnected de-, be difficult to salvage after falling into oil well, have a strong impact on the normal production in oil field.
With the technological progress in oil field, water injection well, inclined shaft and horizontal well it is increasing, sucker rod is past up and down in oil pipe
The eccentric wear that multiple motion is produced is increasingly serious, is that this equipped centralizer on the body of rod of sucker rod has become top priority, but existing
Centralizer more than using outside water conservancy diversion, it is especially preferable not enough in the performance of the aspects such as job stability, radiating and de-waxing, flow
The resistance of liquid is larger, further need to improve and perfect.
The content of the invention
For the problems referred to above, this utility model devises the Inner guide centralizer that a kind of sucker rod is used, and the Inner guide is helped
Positive device adopts separate structure, and separate structure causes installation or removal of the centralizer on oil pumping club shaft very easy, interior
Water conservancy diversion centralizer is using Inner guide and increased paraffin cutting face, and its radiating and de-waxing performance are made while good paraffin cutting effect is guaranteed
More project, reduce flow liquid resistance so that its body of rod uniform force when sucker rod pumps, reduce the torsion of sucker rod
Turn power, make the working condition of sucker rod more stable.
For achieving the above object, this utility model is adopted the following technical scheme that：
The Inner guide centralizer that a kind of sucker rod is used, the Inner guide centralizer include supporting positive cover and adapter sleeve, given to take out
The internal diameter of the external diameter of beam hanger body of rod oil pipe for d is that sucker rod is configured in D and D ＞ d, oil pipe, and its feature is as follows：
The internal diameter of supporting positive cover centre bore is equal to d, the external diameter≤D of supporting positive cover, outwards outputs from arbitrary centrage of supporting positive cover
One tongue, the Breadth Maximum of the tongue are equal to d, and the minimum widith of the tongue is less than d1, d is more than d1, in the reality of supporting positive cover
Body region arranges three symmetrical elliptical holes, and three symmetrical elliptical holes are in same center circle, help
The two ends for just covering have taper, and the axial length of supporting positive cover is L；
In reverse gibbous shape, the Breadth Maximum of adapter sleeve is equal to the Breadth Maximum d of the tongue to adapter sleeve, and the minimum of adapter sleeve is wide
Minimum widith d of the degree equal to the tongue1, adapter sleeve Breadth Maximum end face is provided with the internal diameter of interior semicircle and the interior semicircle
It is equal with the internal diameter of supporting positive cover centre bore, adapter sleeve minimum widith end face be provided with the external diameter of outer semicircle and the outer semicircle with
The external diameter of supporting positive cover is equal, arranges an elliptical hole in the physical location of adapter sleeve, and the elliptical hole is right in adapter sleeve
Claim on centrage, the two ends of adapter sleeve also have taper, and the axial length of adapter sleeve is equal to the axial length of supporting positive cover, adapter sleeve
Elliptical hole shape it is identical with the three of supporting positive cover elliptical hole shapes；
Supporting positive cover is first buckled in any position of oil pumping club shaft, adapter sleeve is buckled in into the described convex of supporting positive cover then
The connection of Inner guide centralizer is capable of achieving in groove.
Above-mentioned adapter sleeve and supporting positive cover are made by ultra high molecular polyethylene material.
As using techniques described above scheme, this utility model produces following good effect：
1st, three elliptical holes of the elliptical hole and supporting positive cover of adapter sleeve form four symmetrically after assembling sucker rod
The Inner guide hole of distribution, four Inner guide holes can increase water conservancy diversion area to greatest extent, improve radiating and de-waxing performance, reduce flow liquid
Resistance, reduces the torque value on sucker rod, makes that the working condition of sucker rod is more stable, and performance is more projected.
2nd, adapter sleeve and supporting positive cover are made through injection mo(u)lding by ultra high molecular polyethylene material and form, and supra polymer gathers
Vinyl material have pliability strong, rub resistance, it is corrosion-resistant the features such as, adapter sleeve and supporting positive cover are contacted with tube inner wall, can be subtracted
Few sucker rod and the friction of oil pipe, reduce the coefficient of friction during sucker rod pumps, strengthen the oil recovery life-span of oil pumper,
Reducing energy consumption.
3rd, the external diameter surface of supporting positive cover and adapter sleeve is not provided with any groove, increased the paraffin cutting face of tube inner wall, scrapes
Wax excellent effect.
4th, supporting positive cover is secured firmly to pump on club shaft by adapter sleeve is buckled in the tongue of supporting positive cover, is protected
Demonstrate,prove the fixed effect of supporting positive cover and will not fall off phenomenon.
Described supporting positive cover internal orifice dimension is identical with the external diameter of the body of rod, between the two using interference fit.
Description of the drawings：
Fig. 1 is structure schematic diagram of the present utility model；
Fig. 2 is the A-A of Fig. 1 to sectional view；
In above-mentioned figure：1- sucker rods；2- supporting positive covers；3- adapter sleeves.
Specific embodiment
This utility model is the Inner guide centralizer that a kind of sucker rod is used.With reference to Fig. 1-2, Inner guide of the present utility model
Centralizer is made up of separate structure supporting positive cover and adapter sleeve, and separate structure causes Inner guide centralizer on oil pumping club shaft
Installation or removal it is very easy, centralizer is four elliptical holes using four Inner guide holes, can increase water conservancy diversion to greatest extent
Area, improves radiating and de-waxing performance, reduces flow liquid resistance, reduces the torque value on sucker rod, makes the working condition of sucker rod
More stable, performance is more projected.
For the concrete structure of clear explanation Inner guide centralizer, the internal diameter of external diameter oil pipe for d of oil pumping club shaft is given
For configuration sucker rod in D and D ＞ d, oil pipe.
The internal diameter of supporting positive cover centre bore of the present utility model be equal to d, the external diameter≤D of supporting positive cover, from supporting positive cover it is arbitrary in
Heart line outwards outputs a tongue, and the Breadth Maximum of the tongue is equal to d, and the minimum widith of the tongue is less than d1, d ＞ d1,
The physical location of supporting positive cover arranges three symmetrical elliptical holes, three symmetrical elliptical holes be in it is same in
On heart circle, the two ends of supporting positive cover have taper, and the axial length of supporting positive cover is L.
In reverse gibbous shape, the Breadth Maximum of adapter sleeve is equal to the Breadth Maximum d of the tongue to adapter sleeve of the present utility model, tightly
Gu the minimum widith of set is equal to the minimum widith d of the tongue1, adapter sleeve Breadth Maximum end face is provided with interior semicircle and described
The internal diameter of interior semicircle is equal with the internal diameter of supporting positive cover centre bore, and adapter sleeve minimum widith end face is provided with outer semicircle and described outer
The external diameter of semicircle is equal with the external diameter of supporting positive cover, arranges an elliptical hole in the physical location of adapter sleeve, at the elliptical hole
In the symmetrical center line of adapter sleeve, the two ends of adapter sleeve also have taper, and the axial length of adapter sleeve is equal to the axle of supporting positive cover
To length, the elliptical hole shape of adapter sleeve is identical with the three of supporting positive cover elliptical hole shapes.First supporting positive cover is buckled in and is taken out
Any position of the beam hanger body of rod, is then buckled in adapter sleeve in the tongue of supporting positive cover and is capable of achieving Inner guide centralizer
Connection.
The elliptical hole of above-mentioned adapter sleeve and the three of supporting positive cover elliptical holes formed after assembling sucker rod four it is right
Claim the Inner guide hole of distribution, four Inner guide holes increased paraffin cutting face, make while good paraffin cutting effect is guaranteed its radiating and
De-waxing performance is more projected, and is reduced flow liquid resistance so that its body of rod uniform force when sucker rod pumps, is reduced and take out
The twisting resistance of beam hanger, makes the working condition of sucker rod more stable.
Above-mentioned adapter sleeve and supporting positive cover are made through injection mo(u)lding by ultra high molecular polyethylene material and form, supra polymer
Polythene material have pliability strong, rub resistance, it is corrosion-resistant the features such as, adapter sleeve and supporting positive cover are contacted with tube inner wall, can be with
The friction of sucker rod and oil pipe is reduced, is reduced the coefficient of friction during sucker rod pumps, is strengthened the oil recovery longevity of oil pumper
Life, reducing energy consumption.
Club shaft of pumping per root up to can assemble an Inner guide centralizer less, can couple several oil pumping by box cupling
Bar, its effect are apparent.
Claims (2)
1. the Inner guide centralizer that a kind of sucker rod is used, the Inner guide centralizer include supporting positive cover (2) and adapter sleeve (3), give
The internal diameter for determining external diameter oil pipe for d of sucker rod (1) body of rod is configuration sucker rod in D and D ＞ d, oil pipe, be it is characterized in that：
The internal diameter of supporting positive cover (2) centre bore is equal to d, and the external diameter≤D of supporting positive cover (2), the arbitrary centrage from supporting positive cover (2) are outside
A tongue is outputed, the Breadth Maximum of the tongue is equal to d, and the minimum widith of the tongue is less than d1, d ＞ d1, in supporting positive cover
(2) physical location arranges three symmetrical elliptical holes, and three symmetrical elliptical holes are in same center
On circle, the two ends of supporting positive cover (2) have taper, and the axial length of supporting positive cover (2) is L；
In reverse gibbous shape, the Breadth Maximum of adapter sleeve (3) is equal to the Breadth Maximum d of the tongue to adapter sleeve (3), adapter sleeve (3)
Minimum widith is equal to the minimum widith d of the tongue1, adapter sleeve (3) Breadth Maximum end face be provided with interior semicircle and it is described in
The internal diameter of semicircle is equal with the internal diameter of supporting positive cover (2) centre bore, and adapter sleeve (3) minimum widith end face is provided with outer semicircle and institute
The external diameter for stating outer semicircle is equal with the external diameter of supporting positive cover (2), arranges an elliptical hole in the physical location of adapter sleeve (3), should
In the symmetrical center line of adapter sleeve (3), the two ends of adapter sleeve (3) also have taper, the axial direction of adapter sleeve (3) to elliptical hole
Length is equal to the axial length of supporting positive cover (2), the elliptical hole shape of adapter sleeve (3) and three elliptical holes of supporting positive cover (2)
Shape is identical；
Supporting positive cover (2) is first buckled in any position of sucker rod (1) body of rod, adapter sleeve (3) is buckled in into supporting positive cover (2) then
The tongue in be capable of achieving the connection of Inner guide centralizer.
2. the Inner guide centralizer that a kind of sucker rod is used according to claim 1, is characterized in that：Adapter sleeve (3) and righting
Set (2) is made by ultra high molecular polyethylene material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620751438.8U CN206071476U (en) | 2016-07-15 | 2016-07-15 | The Inner guide centralizer that a kind of sucker rod is used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620751438.8U CN206071476U (en) | 2016-07-15 | 2016-07-15 | The Inner guide centralizer that a kind of sucker rod is used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206071476U true CN206071476U (en) | 2017-04-05 |
Family
ID=58425651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620751438.8U Expired - Fee Related CN206071476U (en) | 2016-07-15 | 2016-07-15 | The Inner guide centralizer that a kind of sucker rod is used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206071476U (en) |
-
2016
- 2016-07-15 CN CN201620751438.8U patent/CN206071476U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170405 Termination date: 20200715 |