CN113464065A - Paste type polyester centralizer - Google Patents
Paste type polyester centralizer Download PDFInfo
- Publication number
- CN113464065A CN113464065A CN202110915728.7A CN202110915728A CN113464065A CN 113464065 A CN113464065 A CN 113464065A CN 202110915728 A CN202110915728 A CN 202110915728A CN 113464065 A CN113464065 A CN 113464065A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- block
- centralizer
- bottom plate
- pin shaft
- 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.)
- Pending
Links
- 229920000728 polyester Polymers 0.000 title claims abstract description 22
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1071—Wear protectors; Centralising devices, e.g. stabilisers specially adapted for pump rods, e.g. sucker rods
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a bonded polyester centralizer, which comprises a bottom plate, wherein the upper end surface of the bottom plate is fixedly connected with a shell, the upper end surface of the bottom plate is rotatably connected with a rotating ring, the upper end surface of the bottom plate is uniformly and fixedly connected with a fixed column, the upper end surface of the fixed column is fixedly connected with a first pin shaft, the outside of the first pin shaft is rotatably connected with a rotating block, one end of the rotating block, which is far away from the first pin shaft, is fixedly connected with a clamping block, the periphery of the outside of the shell is uniformly and fixedly connected with a connecting block, the end surface of the connecting block, which is far away from the shell, is fixedly connected with a pressure spring, and one end of the pressure spring, which is far away from the connecting block, is fixedly connected with a rotating seat. The invention relates to the field of centralizing devices, and solves the problems that an existing centralizer is inconvenient to fix sucker rods with different diameters, has large friction force with oil pipes, and is not wear-resistant and durable.
Description
Technical Field
The invention relates to the field of centralizing devices, in particular to a bonded polyester centralizer.
Background
The casing centralizer is the necessary appurtenance of lower casing in the oil gas well development process, and its main function is to guarantee that the casing can live in well center, guarantees that cement sheath distributes evenly, to improving the well cementation quality, guarantees the safety in production of oil gas well, has played the important function in the aspect of the life of extension well.
The patent document with publication number CN211777255U discloses a sucker rod centralizer that life is higher, including main part, right cover, lock mother, top connection and lower clutch, lock mother movable mounting is close to the upper end position at the surface of main part, right the surface intermediate position of establishing at the main part of cover, top connection integrated into one piece is at the upper end surface of main part, lower clutch integrated into one piece is at the lower extreme surface of main part, the surface intermediate position fixed mounting of main part has a plurality of magnet pieces.
The above-mentioned patent document is inconvenient fixes the sucker rod of different diameters, moreover with between the oil pipe frictional force great, it is durable not wear-resisting.
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a sticking type polyester centralizer, which solves the problems that the existing centralizer is inconvenient to fix sucker rods with different diameters, has large friction force with an oil pipe, and is not wear-resistant and durable.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a paste type polyester centralizer, includes the bottom plate, bottom plate up end fixedly connected with shell, the bottom plate up end rotates and is connected with the rotating ring, the even fixedly connected with fixed column of bottom plate up end, the first round pin axle of fixed column up end fixedly connected with, first round pin off-axial portion rotates and is connected with the turning block, the one end fixedly connected with grip block of first round pin axle is kept away from to the turning block, the even fixedly connected with connecting block all around in the shell outside, the shell terminal surface fixedly connected with pressure spring is kept away from to the connecting block, the one end fixedly connected with rotation seat of connecting block is kept away from to the pressure spring.
Preferably, the outside sliding connection of turning block has the sliding sleeve, the terminal surface rotates under the sliding sleeve to be connected with the swivel becket, the outside fixedly connected with spout block of swivel becket, spout block upper end is equipped with the spout, spout inner chamber sliding connection has the slider, the slider up end rotates and is connected with the turning ball, the inside threaded connection of turning ball has threaded rod right-hand member face fixedly connected with of screwing hands, the threaded rod right-hand member rotates and is connected with the rectangular block, terminal surface fixedly connected with under the rectangular block the bottom plate.
Preferably, the inner cavity of the rotating seat is fixedly connected with a second pin shaft, and the outside of the second pin shaft is rotatably connected with a sliding ball.
Preferably, the sliding ball and the clamping block are both made of polyester.
Preferably, the outer part of the wrench is provided with anti-slip textures.
Preferably, the first pin shaft and the second pin shaft are made of stainless steel.
(III) advantageous effects
The invention provides a bonded polyester centralizer. The method has the following beneficial effects:
(1) this paste type polyester centralizer moves the twisting hand through twisting, and the threaded rod rotates, drives the rolling ball clockwise or anticlockwise movement, and the slider slides at the spout inner chamber, and the spout piece drives swivel becket clockwise or anticlockwise rotation, and the swivel becket drives the sliding sleeve and rotates, and the sliding sleeve drives swivel becket and grip block and is close to each other or keep away from, fixes the sucker rod or loosens to more convenient sucker rod to different diameters is fixed.
(2) This paste type polyester centralizer, through rotating seat inner chamber fixedly connected with second round pin axle, the outside rotation of second round pin axle is connected with the sliding ball, puts into oil pipe with the shell inside, and the pressure spring is extruded to oil pipe inner chamber wall, and the sliding ball rolls in oil pipe inner chamber wall to the frictional force of sliding ball and oil pipe inner chamber has been reduced, and then the up-and-down motion of the sucker rod of being more convenient for. The sliding ball and the clamping block are made of polyester materials, so that the friction force is small, the clamping block is wear-resistant, firm and durable in underground motion.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic structural view of the present invention in an unclamped state;
FIG. 3 is a schematic view of a clamping state structure according to the present invention;
in the figure: 1. a housing; 2. a base plate; 3. fixing a column; 4. rotating the ball; 5. a first pin shaft; 6. rotating the block; 7. a sliding sleeve; 8. a clamping block; 9. a rotating ring; 10. connecting blocks; 11. a pressure spring; 12. a rotating seat; 13. a sliding ball; 14. a second pin shaft; 15. a rectangular block; 16. screwing a hand; 17. a chute block; 18. a threaded rod; 19. a chute; 20. a slide block.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
the first embodiment is as follows:
the utility model provides a paste type polyester centralizer, comprising a base plate 2, 2 up end fixedly connected with shells 1 of bottom plate, 2 up end of bottom plate rotate and are connected with swivel becket 9, the even fixedly connected with fixed column 3 of 2 up end of bottom plate, the first round pin axle 5 of 3 up end fixedly connected with of fixed column, 5 outside rotations of first round pin axle are connected with turning block 6, the one end fixedly connected with grip block 8 of first round pin axle 5 is kept away from to turning block 6, 1 outside even fixedly connected with connecting block 10 all around of shell, 1 terminal surface fixedly connected with pressure spring 11 is kept away from to connecting block 10, the one end fixedly connected with roating seat 12 of connecting block 10 is kept away from to pressure spring 11. The outside sliding connection of turning block 6 has sliding sleeve 7, and the terminal surface rotates under sliding sleeve 7 and is connected with swivel collar 9, and the outside fixedly connected with sliding tray piece 17 of swivel collar 9, sliding tray piece 17 upper end are equipped with spout 19, and 19 inner chambers of spout sliding tray sliding connection have slider 20, and the slider 20 up end rotates and is connected with turning ball 4, and the inside threaded connection of turning ball 4 has threaded rod 18 right-hand member face fixedly connected with of right-hand member to twist the hand 16, and threaded rod 18 right-hand member rotates and is connected with rectangular block 15, terminal surface fixedly connected with bottom plate 2 under rectangular block 15. Through twisting and moving the wrench 16, threaded rod 18 rotates, drives the rolling ball 4 clockwise or anticlockwise movement, and slider 20 slides in 19 inner chambers of the spout, and the spout piece 17 drives the swivel becket 9 clockwise or anticlockwise rotation, and the swivel becket 9 drives the sliding sleeve 7 to rotate, and the sliding sleeve 7 drives the turning block 6 and the grip block 8 to be close to each other or keep away from, fixes or loosens the sucker rod to more convenient sucker rod to different diameters fixes.
A second pin 14 is fixedly connected to the inner cavity of the rotating seat 12, and a sliding ball 13 is rotatably connected to the outside of the second pin 14. A second pin shaft 14 is fixedly connected to the inner cavity of the rotating seat 12, a sliding ball 13 is rotatably connected to the outer portion of the second pin shaft 14, the shell 1 is placed into the oil pipe, the pressure spring 11 is extruded by the wall of the inner cavity of the oil pipe, and the sliding ball 13 rolls on the wall of the inner cavity of the oil pipe, so that the friction force between the sliding ball 13 and the inner cavity of the oil pipe is reduced, and the pumping rod can move up and down conveniently.
Example two: the difference between this embodiment and the first embodiment is that the sliding ball 13 and the clamping block 8 are made of polyester. The sliding ball 13 and the clamping block 8 are made of polyester, so that the friction force is small, the clamping block is wear-resistant and firm and durable in downhole movement. The outer part of the wrench 16 is provided with anti-slip textures. The first pin 5 and the second pin 14 are both made of stainless steel.
When the sucker rod centering device works, according to the diameter of the sucker rod, a screwing handle 16 is screwed, a threaded rod 18 rotates to drive a rotating ball 4 to move clockwise or anticlockwise, a sliding block 20 slides in an inner cavity of a sliding groove 19, a sliding groove block 17 drives a rotating ring 9 to rotate clockwise or anticlockwise, the rotating ring 9 drives a sliding sleeve 7 to rotate, the sliding sleeve 7 drives the rotating block 6 and a clamping block 8 to be close to or away from each other, the sucker rod is fixed, the whole device is placed into an oil pipe, the pressure spring 11 is extruded on the wall of the inner cavity of the oil pipe, the sliding ball 13 rolls on the wall of the inner cavity of the oil pipe so as to pull and pull the sucker rod, after centering work is completed, the screwing handle 16 is screwed reversely, the sliding sleeve 7 drives the rotating block 6 and the clamping block 8 to be away from each other, the sucker rod is loosened, and the whole work is completed. Whole device is through twisting and moving twisting hand 16, and threaded rod 18 rotates, drives rolling ball 4 clockwise or anticlockwise movement, and slider 20 slides at 19 inner chambers of spout, and runner block 17 drives swivel ring 9 clockwise or anticlockwise rotation, and swivel ring 9 drives sliding sleeve 7 and rotates, and sliding sleeve 7 drives turning block 6 and grip block 8 and is close to each other or keeps away from, fixes the sucker rod or loosens to more convenient sucker rod to different diameters fixes. A second pin shaft 14 is fixedly connected to the inner cavity of the rotating seat 12, a sliding ball 13 is rotatably connected to the outer portion of the second pin shaft 14, the shell 1 is placed into the oil pipe, the pressure spring 11 is extruded by the wall of the inner cavity of the oil pipe, and the sliding ball 13 rolls on the wall of the inner cavity of the oil pipe, so that the friction force between the sliding ball 13 and the inner cavity of the oil pipe is reduced, and the pumping rod can move up and down conveniently. The sliding ball 13 and the clamping block 8 are made of polyester, so that the friction force is small, the clamping block is wear-resistant and firm and durable in downhole movement.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Claims (6)
1. A paste type polyester centralizer, includes bottom plate (2), its characterized in that: bottom plate (2) up end fixedly connected with shell (1), bottom plate (2) up end rotates and is connected with swivel becket (9), the even fixedly connected with fixed column (3) of bottom plate (2) up end, the first round pin axle of fixed column (3) up end fixedly connected with (5), first round pin axle (5) outside rotates and is connected with turning block (6), the one end fixedly connected with grip block (8) of first round pin axle (5) are kept away from in turning block (6), the even fixedly connected with connecting block (10) all around in shell (1) outside, shell (1) terminal surface fixedly connected with pressure spring (11) is kept away from in connecting block (10), the one end fixedly connected with who connecting block (10) are kept away from in pressure spring (11) rotates seat (12).
2. The bonded polyester centralizer of claim 1, wherein: the utility model discloses a quick-witted, including rotor block (6), sliding sleeve (7), terminal surface rotate under sliding sleeve (7) and be connected with rotor ring (9), outside fixedly connected with chute block (17) of rotor ring (9), chute block (17) upper end is equipped with spout (19), spout (19) inner chamber sliding connection has slider (20), slider (20) up end rotates and is connected with rotor ball (4), rotor ball (4) internal thread is connected with threaded rod (18) right-hand member face fixedly connected with wrench (16), threaded rod (18) right-hand member rotates and is connected with rectangular block (15), terminal surface fixedly connected with under rectangular block (15) bottom plate (2).
3. The bonded polyester centralizer of claim 2, wherein: the inner cavity of the rotating seat (12) is fixedly connected with a second pin shaft (14), and the outer part of the second pin shaft (14) is rotatably connected with a sliding ball (13).
4. The bonded polyester centralizer of claim 3, wherein: the sliding ball (13) and the clamping block (8) are both made of polyester materials.
5. The bonded polyester centralizer of claim 4, wherein: the outer part of the twisting handle (16) is provided with anti-skid textures.
6. The bonded polyester centralizer of claim 5, wherein: the first pin shaft (5) and the second pin shaft (14) are made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110915728.7A CN113464065A (en) | 2021-08-10 | 2021-08-10 | Paste type polyester centralizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110915728.7A CN113464065A (en) | 2021-08-10 | 2021-08-10 | Paste type polyester centralizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113464065A true CN113464065A (en) | 2021-10-01 |
Family
ID=77866234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110915728.7A Pending CN113464065A (en) | 2021-08-10 | 2021-08-10 | Paste type polyester centralizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113464065A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958275A (en) * | 2021-12-22 | 2022-01-21 | 东营圭璋海洋科技有限公司 | Casing centralizer for oil exploitation |
-
2021
- 2021-08-10 CN CN202110915728.7A patent/CN113464065A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958275A (en) * | 2021-12-22 | 2022-01-21 | 东营圭璋海洋科技有限公司 | Casing centralizer for oil exploitation |
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