CN205778580U - Sucker rod - Google Patents
Sucker rod Download PDFInfo
- Publication number
- CN205778580U CN205778580U CN201620641677.8U CN201620641677U CN205778580U CN 205778580 U CN205778580 U CN 205778580U CN 201620641677 U CN201620641677 U CN 201620641677U CN 205778580 U CN205778580 U CN 205778580U
- Authority
- CN
- China
- Prior art keywords
- wiper block
- sucker rod
- block
- stop
- rod body
- 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.)
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Links
- 239000004568 cement Substances 0.000 claims description 8
- 238000001746 injection moulding Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a sucker rod belongs to the oil recovery field. The sucker rod comprises a sucker rod body, at least one righting block and at least two limiters; the sucker rod body is embedded in each righting block included in the at least one righting block and each stopper included in the at least two stoppers; for each of the at least one centering block, the centering block is located between any two of the at least two stoppers to ensure that the centering block can rotate between any two stoppers and cannot move up and down. The utility model discloses an it is embedded in at least one piece of righting and two at least stoppers with the sucker rod body to increased the area of contact of righting piece and oil pipe inner wall, reduced the friction probability of sucker rod body and oil pipe inner wall, lightened the eccentric wear to the oil pumping pipe body.
Description
Technical field
This utility model relates to oil recovery field, particularly to a kind of sucker rod.
Background technology
The oil production method in oil field is mainly sucker-rod pumping, wherein, rod pumping system include sucker rod, oil pumper and
Oil well pump.When recovering the oil, oil well pump is deep into below stratum production fluid liquid level, drives sucker rod at oil pipe by oil pumper
Inside move up and down, the hydraulic booster in oil pipe can be made, stratum production fluid is drawn to ground.But it is as continually developing of oil field,
Stratum production fluid can decrease, and borehole axis continues to increase, inclined in carrying out relative movement between down-hole oil tube and sucker rod
Mill degree is day by day deepened, and causes needing to check sucker rod body frequently.Therefore, the inclined of sucker rod body how is reduced
Mill degree is current urgent problem.
At present, sucker rod substitute formula centralizer is generally used to prevent the eccentric wear of sucker rod body, wherein, this centralizer
Diameter is identical with pipe aperture, this short-section type centralizer can be made to contact with the inwall of oil pipe, thus prevent tube inner wall
With contacting of sucker rod body, alleviate eccentric wear degree.
During realizing this utility model, inventor finds that prior art at least there is problems in that
When down-hole oil tube is deeper, needs that multiple sucker rods are carried out screwed connection thus synthesize a sucker rod and make
With, and this short connection type rotary centralizer is installed on sucker rod according to specifically borehole axis section, because connected mode is screwed connection,
Each sucker rod in multiple sucker rods can only install a short connection type rotary centralizer additional, but due to short connection type centralizer between
Spacing is too big, thus cannot avoid the eccentric wear of big axle degree well section sucker rod body.
Utility model content
In order to reduce the eccentric wear to sucker rod body, this utility model provides a kind of sucker rod.Described sucker rod includes
Sucker rod body, at least one wiper block and at least two stop；
Described sucker rod body is embedded in each stop and the described at least two that at least one wiper block described includes
In each stop that stop includes；
For each wiper block at least one wiper block described, described wiper block is positioned in described at least two stop
Any two stop between, can not go up to ensure described wiper block can rotate between described any two stop
Lower movement.
Alternatively, described for each wiper block at least one wiper block described, described wiper block is for including axially
The plastic cement wiper block in crack, described sucker rod body by described axial crack embedded with described wiper block in.
Alternatively, described for each wiper block at least one wiper block described, being shaped as of described wiper block is round
Cylinder, described axial crack is at the centre bore of radially extending to the described wiper block of described wiper block.
Alternatively, for each wiper block at least one wiper block described, described wiper block be positioned at described righting
Block two ends and and the nearest stop of described wiper block between at a distance of distance to a declared goal.
Alternatively, described distance to a declared goal is 5mm.
Alternatively, described for each stop in described at least two stop, described stop is by injection side
Formula is socketed on described sucker rod body.
The technical scheme that this utility model provides provides the benefit that: in this utility model embodiment, due to this oil pumping
Bar can include at least one wiper block and at least two stop, and this sucker rod body is embedded at least one wiper block and extremely
In few two stops, thus add the contact area of wiper block and tube inner wall, decrease in sucker rod body and oil pipe
The friction probability of wall, alleviates the eccentric wear to oil pick-up tube body.Again owing to for wiper block each at least one wiper block, holding up
Between positive block any two stop at least two stop, that is to say can there be two for each wiper block
Stop is positioned at the two ends of this wiper block, thus carries out spacing to this wiper block, make wiper block with the contacting of tube inner wall
Journey can rotate and can not move up and down, and then reduce the abrasion probability of wiper block, extend the service life of wiper block.
Accompanying drawing explanation
Figure 1A is the structural representation of a kind of sucker rod that this utility model embodiment provides；
Figure 1B is the structural representation of a kind of wiper block that this utility model embodiment provides.
Accompanying drawing illustrates:
1: sucker rod body, 2: wiper block, 3: stop, 4: axial crack.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, new to this practicality below in conjunction with accompanying drawing
Type embodiment is described in further detail.
Figure 1A is the structural representation of a kind of sucker rod that this utility model embodiment provides, and sees Figure 1A, this sucker rod
Including sucker rod body 1, at least one wiper block 2 and at least two stop 3；
Sucker rod body 1 is embedded in each wiper block 2 that at least one wiper block 2 includes and at least two stop 3 wraps
In each stop 3 included；For wiper block 2 each at least one wiper block 2, wiper block 2 is positioned at least two stop 3
In any two stop 3 between, with ensure wiper block 2 can rotate between any two stop 3 and can not be upper and lower
Mobile.
Owing to this sucker rod can include at least one wiper block 2 and at least two stop 3, and this sucker rod body 1
It is embedded in each wiper block 2 that at least one wiper block 2 includes and each stop 3 that at least two stop 3 includes, from
And add the contact area of wiper block 2 and tube inner wall, decrease the friction probability of sucker rod body and tube inner wall, alleviate
Eccentric wear to oil pick-up tube body.Again owing to for wiper block 2 each at least one wiper block 2, wiper block 2 is positioned at least two
Between any two stop 3 in individual stop 3, that is to say two stops 2 can be had to be positioned at for each wiper block 2
The two ends of this wiper block 2, thus this wiper block 2 is carried out spacing, make wiper block 2 with the contact process of tube inner wall in can
Rotate and can not move up and down, and then reduce the abrasion probability of wiper block 2, extend the service life of wiper block 2.
Wherein, for each wiper block 2 at least one wiper block 2, wiper block 2 be positioned at wiper block 2 two ends and with
At a distance of distance to a declared goal between the stop 3 that wiper block 2 is nearest.
It should be noted that this distance to a declared goal can be 5mm, certainly, in actual applications, this distance to a declared goal can be it
His numerical value, such as, this distance to a declared goal can also be 4mm, 6mm, 7mm etc., and this is not specifically limited by this utility model embodiment.
It addition, the quantity of this at least one wiper block 2 can add according to the quantity of the gradient of hole deviation section and hole deviation section
Dress, that is to say, can be with the more wiper block 2 of installation number when the quantity of this hole deviation section is more and gradient is bigger, when this hole deviation
When the negligible amounts of section and gradient are less, can be with the less wiper block of installation number 2, as long as the quantity of the centralizer installed additional 2 can
To prevent at sucker rod body 1 at the eccentric wear of hole deviation section, this is not specifically limited by this utility model embodiment.
Seeing Figure 1B, for each wiper block 2 at least one wiper block 2, wiper block 2 is to include axial crack 4
Plastic cement wiper block, sucker rod body 1 by axial crack 4 embedded with in wiper block 2.
Wherein, when this wiper block 2 is the plastic cement wiper block including axial crack 4, owing to plastic cement has elasticity, therefore,
This sucker rod body 1 can be filled in wiper block 2 from this axial crack by staff.
It should be noted that in order to ensure that this wiper block will not be dropped from this sucker rod by this axial crack, in work
Make after this sucker rod body 1 filled in wiper block 2 from this axial crack by personnel, to carry out close by this axial crack
Envelope.
It addition, see Figure 1B, for each wiper block 2 at least one wiper block 2, the shape of wiper block 2 can be
Cylinder, this axial crack 4 is at the radially extending centre bore to wiper block 2 of wiper block 2.
Wherein, after sucker rod body 1 is filled in wiper block 2 from axial crack 4 by staff, this sucker rod body 1
Run through the upper bottom surface of this wiper block 2.
It should be noted that the shape of this wiper block 2 is possible not only to as cylinder, it is also possible to for other shapes, such as, be somebody's turn to do
The shape of wiper block 2 can be spheroid etc., and this is not specifically limited by this utility model embodiment.
It addition, when when being shaped as spheroid of this wiper block 2, the direction, each external diameter place of this wiper block 2 all can be as this
Wiper block 2 axial, therefore, when when being shaped as spheroid of this wiper block 2, this axial crack 4 can be appointing from this wiper block
Meaning direction extends to centre bore.
Also, it should be noted the external diameter of this wiper block 2 can be equal to the internal diameter of this oil pipe, certainly, outside this wiper block 2
Footpath might be less that the internal diameter of this oil pipe, as long as the size of this centralizer 2 is possible to prevent sucker rod body at the eccentric wear of hole deviation section
, this is not specifically limited by this utility model embodiment.
It addition, in this utility model embodiment, should be for each stop 3 at least two stop 3, this is spacing
The stop equally constituted for plastic cement of device 3, the most in actual applications, this stop 3 can also pass through other materials
Constituting, such as, metal, timber etc., this is not specifically limited by this utility model embodiment.
Seeing Figure 1A, for each stop 3 at least two stop 3, this stop 3 can pass through injection molding manner
It is socketed on sucker rod body 1.
Wherein, not only including plastic cement owing to constituting the material of this stop 3, therefore, staff is not only by note
This stop 3 is socketed on sucker rod body 1 by the mode moulded, it is also possible to by other means this stop 3 is socketed in this
On sucker rod body 1, this is not specifically limited by this utility model embodiment.
It should be noted that the shape of this stop 3 is equally cylinder, naturally it is also possible to for other shapes, than
As, prism, spheroid etc., this is not specifically limited by this utility model embodiment.
Also, it should be noted when this wiper block 2 and stop 3 can be made up of plastic cement, simplify process operation, fall
Low sucker rod cost.Simultaneously as wiper block 2 is connected for embedded with sucker rod body 1, stop 3 and sucker rod body 1
Connecting for injection molding, this stop 3 will be fixed on this sucker rod body 1, and wiper block 2 can be carried out spacing by stop 3,
Make it to rotate can not move up and down, be equivalent to be fixed on sucker rod 1 by this wiper block 2, such that it is able to make sucker rod
Body 1, wiper block 2 and stop 3 combine together, it is to avoid assembles sucker rod in construction, saves staff
Time and efforts.
In this utility model embodiment, owing to this sucker rod can include that at least one wiper block and at least two are spacing
Device, this sucker rod body is embedded at least one wiper block and at least two stop, thus adds wiper block and oil pipe
The contact area of inwall, decreases the friction probability of sucker rod body and tube inner wall, alleviates the eccentric wear to oil pick-up tube body.
Again owing to for wiper block each at least one wiper block, any two that wiper block is positioned at least two stop is spacing
Between device, that is to say two stops can be had to be positioned at the two ends of this wiper block for each wiper block, thus to this wiper block
Carry out spacing, make wiper block can rotate and can not move up and down in the contact process of tube inner wall, and then reduce and hold up
The abrasion probability of positive block, extends the service life of wiper block and the proof cycle to sucker rod, it is ensured that production normal
Carry out.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in guarantor of the present utility model
Within the scope of protecting.
Claims (6)
1. a sucker rod, it is characterised in that described sucker rod includes sucker rod body, at least one wiper block and at least two
Stop；
Described sucker rod body is embedded in each wiper block that at least one wiper block described includes and described at least two is spacing
In each stop that device includes；
For each wiper block at least one wiper block described, what described wiper block was positioned in described at least two stop appoints
Anticipate between two stops, with ensure described wiper block can rotate between described any two stop and can not on move down
Dynamic.
2. sucker rod as claimed in claim 1, it is characterised in that described for each righting at least one wiper block described
Block, described wiper block is the plastic cement wiper block including axial crack, described sucker rod body by described axial crack embedded with
In described wiper block.
3. sucker rod as claimed in claim 2, it is characterised in that described each at least one wiper block described is held up
Positive block, described wiper block be shaped as cylinder, described axial crack is in radially extending to the described righting of described wiper block
The centre bore of block.
4. sucker rod as claimed in claim 1, it is characterised in that for each righting at least one wiper block described
Block, described wiper block and described wiper block two ends and and the nearest stop of described wiper block between at a distance of distance to a declared goal.
5. sucker rod as claimed in claim 4, it is characterised in that described distance to a declared goal is 5mm.
6. sucker rod as claimed in claim 1, it is characterised in that described for each limit in described at least two stop
Position device, described stop is socketed on described sucker rod body by injection molding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620641677.8U CN205778580U (en) | 2016-06-24 | 2016-06-24 | Sucker rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620641677.8U CN205778580U (en) | 2016-06-24 | 2016-06-24 | Sucker rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205778580U true CN205778580U (en) | 2016-12-07 |
Family
ID=58130054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620641677.8U Active CN205778580U (en) | 2016-06-24 | 2016-06-24 | Sucker rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205778580U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106639899A (en) * | 2017-01-19 | 2017-05-10 | 程佑富 | Curved limited movement type anti-wear sucker rod and manufacturing method thereof |
| CN108612488A (en) * | 2016-12-12 | 2018-10-02 | 四川煜天石油机械设备有限公司 | A kind of automatic rotary centralizer of oil pipe |
| CN108612487A (en) * | 2016-12-12 | 2018-10-02 | 四川煜天石油机械设备有限公司 | A kind of spinning centralizer |
-
2016
- 2016-06-24 CN CN201620641677.8U patent/CN205778580U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612488A (en) * | 2016-12-12 | 2018-10-02 | 四川煜天石油机械设备有限公司 | A kind of automatic rotary centralizer of oil pipe |
| CN108612487A (en) * | 2016-12-12 | 2018-10-02 | 四川煜天石油机械设备有限公司 | A kind of spinning centralizer |
| CN106639899A (en) * | 2017-01-19 | 2017-05-10 | 程佑富 | Curved limited movement type anti-wear sucker rod and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |