CN220151277U - Corrosion-resistant cladding sucker rod - Google Patents
Corrosion-resistant cladding sucker rod Download PDFInfo
- Publication number
- CN220151277U CN220151277U CN202320166056.9U CN202320166056U CN220151277U CN 220151277 U CN220151277 U CN 220151277U CN 202320166056 U CN202320166056 U CN 202320166056U CN 220151277 U CN220151277 U CN 220151277U
- Authority
- CN
- China
- Prior art keywords
- sucker rod
- connecting piece
- fixedly connected
- rod body
- ring
- 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
- 230000007797 corrosion Effects 0.000 title claims abstract description 25
- 238000005260 corrosion Methods 0.000 title claims abstract description 25
- 238000005253 cladding Methods 0.000 title claims description 5
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 230000006978 adaptation Effects 0.000 claims description 4
- 229910000617 Mangalloy Inorganic materials 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 230000035515 penetration Effects 0.000 abstract description 2
- 238000003618 dip coating Methods 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model relates to the technical field of sucker rods, and discloses a corrosion-resistant coated sucker rod which comprises a sucker rod body, wherein an upper connecting piece is fixedly connected to the top end of the sucker rod body, a sealing ring is fixedly connected to the top of the upper connecting piece, an inner thread is formed in the inner wall of the upper connecting piece, a centralizing ring is connected to the outer wall of the sucker rod body in a sliding manner, a threaded ring is connected to the outer wall of the centralizing ring in a threaded manner, a fastening piece is fixedly connected to the bottom end of the centralizing ring, a lower connecting piece is fixedly connected to the bottom end of the sucker rod body, and the lower connecting piece is matched with the fastening piece. According to the utility model, the sealing ring of one sucker rod body is matched with the sealing groove of the other sucker rod body, so that the penetration of oil bodies can be reduced, the joint of the sucker rod bodies is not easy to be corroded by impurities in the oil bodies, the technical effect of improving corrosion resistance is realized, and the technical purpose of prolonging the service life is achieved.
Description
Technical Field
The utility model relates to the technical field of sucker rods, in particular to a corrosion-resistant coated sucker rod.
Background
The sucker rod is an important component part of a lifting system, as the type of an oil reservoir is more and more complex, the depth of the reservoir put into exploitation is continuously increased, the pumping depth is also continuously increased, the water content of an oil field is continuously increased, the corrosion of the oil well is more and more serious, and the use of the steel sucker rod has great challenges.
At present, most sucker rods are easy to corrode impurities in oil bodies at the joint when used in an oil well, the structural strength of the joint is low, and the sucker rods are easy to break after long-time working, so that the sucker rods are corroded.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a corrosion-resistant coated sucker rod.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a corrosion-resistant cladding sucker rod, includes the sucker rod body, the top fixedly connected with of sucker rod body goes up the connecting piece, go up the top fixedly connected with sealing washer of connecting piece, the internal thread has been seted up to the inner wall of going up the connecting piece, sliding connection has the centering ring on the outer wall of sucker rod body, threaded connection has the screwed ring on the outer wall of centering ring, the bottom fixedly connected with fastener of centering ring, the bottom fixedly connected with of sucker rod body is the connecting piece down, looks adaptation between connecting piece and the fastener down, the inside fixedly connected with screw post of connecting piece down, the seal groove has been seted up to the bottom of connecting piece down.
As a further description of the above technical solution:
and the sealing groove is matched with the sealing ring in a clamping way.
As a further description of the above technical solution:
the outer wall of the sucker rod body is sleeved with a shell.
As a further description of the above technical solution:
and a plurality of groups of springs are uniformly and fixedly connected with the periphery of the outer wall of the shell from top to bottom.
As a further description of the above technical solution:
one end of the spring, which is far away from the shell, is fixedly connected with an anti-pressing shell.
As a further description of the above technical solution:
the fastener is slidably coupled to the interior of the housing.
As a further description of the above technical solution:
the threaded column is matched with the internal thread.
As a further description of the above technical solution:
the righting ring and the fastener are made of high manganese steel.
The utility model has the following beneficial effects:
according to the utility model, the sealing ring of one sucker rod body is matched with the sealing groove of the other sucker rod body, so that the penetration of oil bodies can be reduced, the joint of the sucker rod bodies is not easy to be corroded by impurities in the oil bodies, the eccentric wear problem of the sucker rod bodies at the well mouth can be prevented by arranging the righting ring, meanwhile, the corrosion resistance of the surface of the sucker rod bodies is enhanced by dip coating treatment, the technical effect of improving the corrosion resistance is realized, the technical purpose of prolonging the service life is achieved, and the problems that the joint is easy to be corroded by impurities in the oil bodies when a plurality of sucker rods are used in an oil well in the background art, the structural strength of the joint is lower, and the sucker rods are easy to break after long-time working, so that the sucker rods are corroded are solved.
Drawings
FIG. 1 is a schematic perspective view of a corrosion resistant clad sucker rod according to the present utility model;
FIG. 2 is a schematic cross-sectional view of an anti-press shell of a corrosion-resistant clad sucker rod according to the present utility model;
FIG. 3 is a schematic bottom view of a corrosion resistant coated sucker rod according to the present utility model;
fig. 4 is an enlarged view at a in fig. 3.
Legend description:
1. a sucker rod body; 2. an upper connecting piece; 3. a lower connecting piece; 4. an internal thread; 5. a seal ring; 6. centralizing the ring; 7. a threaded ring; 8. a fastener; 9. a threaded column; 10. a spring; 11. a housing; 12. a pressure-proof shell; 13. and (5) sealing the groove.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides a corrosion-resistant cladding sucker rod, including sucker rod body 1, the top fixedly connected with of sucker rod body 1 goes up connecting piece 2, go up the top fixedly connected with sealing washer 5 of connecting piece 2, go up the inner wall of connecting piece 2 and seted up internal thread 4, sliding connection has centering ring 6 on the outer wall of sucker rod body 1, threaded connection has screwed ring 7 on the outer wall of centering ring 6, the bottom fixedly connected with fastener 8 of centering ring 6, the bottom fixedly connected with of sucker rod body 1 down connecting piece 3, looks adaptation between connecting piece 3 and the fastener 8 down, the inside fixedly connected with screw thread post 9 of connecting piece 3 down, seal groove 13 has been seted up to the bottom of connecting piece 3 down, seal groove 5 through one sucker rod body 1 and the mutual cooperation of seal groove 13 of another sucker rod body 1 can reduce the infiltration of oil body, make the junction of sucker rod body 1 be difficult for receiving the corruption of oil body internal impurity.
Further explaining, the looks joint matches between seal groove 13 and the sealing washer 5, the outer wall cover of sucker rod body 1 is equipped with shell 11, the outer wall week top-down of shell 11 evenly fixedly connected with a plurality of groups of springs 10, the one end fixedly connected with pressure-proof shell 12 of shell 11 is kept away from to spring 10, fastener 8 sliding connection is in the inside of shell 11, the looks adaptation between screw thread post 9 and the internal thread 4, the material of righting ring 6 and fastener 8 is high manganese steel, can prevent that the eccentric wear problem from appearing in wellhead department sucker rod body 1 through setting up righting ring 6, make the corrosion-resistant ability reinforcing of sucker rod body 1 surface through the dip coating treatment simultaneously, have stronger durability.
Working principle: firstly, through the sealing washer 5 of a sucker rod body 1 and the seal groove 13 of another sucker rod body 1 mutually support, can reduce the infiltration of oil body, make sucker rod body 1 junction be difficult for receiving the corruption of the internal impurity of oil, can prevent that the eccentric wear problem from appearing in wellhead department sucker rod body 1 through setting up righting ring 6, make the corrosion-resistant ability reinforcing of sucker rod body 1 surface through the dip coating processing simultaneously, have stronger durability, realized the technological effect that improves the corrosion resistance, reached increase of service life's technical purpose.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. The utility model provides a corrosion-resistant cladding sucker rod, includes sucker rod body (1), its characterized in that: the top fixedly connected with of sucker rod body (1) goes up connecting piece (2), the top fixedly connected with sealing washer (5) of going up connecting piece (2), internal thread (4) have been seted up to the inner wall of going up connecting piece (2), sliding connection has centering ring (6) on the outer wall of sucker rod body (1), threaded connection has screwed ring (7) on the outer wall of centering ring (6), the bottom fixedly connected with fastener (8) of centering ring (6), the bottom fixedly connected with of sucker rod body (1) is connecting piece (3) down, looks adaptation between connecting piece (3) and fastener (8) down, the inside fixedly connected with screw thread post (9) of connecting piece (3) down, seal groove (13) have been seted up to the bottom of connecting piece (3) down.
2. A corrosion resistant coated sucker rod according to claim 1 wherein: the sealing groove (13) is matched with the sealing ring (5) in a clamping way.
3. A corrosion resistant coated sucker rod according to claim 1 wherein: the outer wall of the sucker rod body (1) is sleeved with a shell (11).
4. A corrosion resistant coated sucker rod according to claim 3 wherein: a plurality of groups of springs (10) are uniformly and fixedly connected to the periphery of the outer wall of the shell (11) from top to bottom.
5. A corrosion resistant coated sucker rod according to claim 4 wherein: one end of the spring (10) far away from the shell (11) is fixedly connected with an anti-pressing shell (12).
6. A corrosion resistant coated sucker rod of claim 5 wherein: the fastener (8) is slidingly connected inside the housing (11).
7. A corrosion resistant coated sucker rod according to claim 1 wherein: the threaded column (9) is matched with the internal thread (4).
8. A corrosion resistant coated sucker rod according to claim 1 wherein: the righting ring (6) and the fastener (8) are made of high manganese steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320166056.9U CN220151277U (en) | 2023-02-09 | 2023-02-09 | Corrosion-resistant cladding sucker rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320166056.9U CN220151277U (en) | 2023-02-09 | 2023-02-09 | Corrosion-resistant cladding sucker rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220151277U true CN220151277U (en) | 2023-12-08 |
Family
ID=89020100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320166056.9U Active CN220151277U (en) | 2023-02-09 | 2023-02-09 | Corrosion-resistant cladding sucker rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220151277U (en) |
-
2023
- 2023-02-09 CN CN202320166056.9U patent/CN220151277U/en active Active
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| GR01 | Patent grant |