CN108612487A - A kind of spinning centralizer - Google Patents
A kind of spinning centralizer Download PDFInfo
- Publication number
- CN108612487A CN108612487A CN201611138547.3A CN201611138547A CN108612487A CN 108612487 A CN108612487 A CN 108612487A CN 201611138547 A CN201611138547 A CN 201611138547A CN 108612487 A CN108612487 A CN 108612487A
- Authority
- CN
- China
- Prior art keywords
- inner sleeve
- outer barrel
- spinning
- positive cover
- supporting positive
- 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.)
- Granted
Links
- 238000009987 spinning Methods 0.000 title claims abstract description 19
- 239000003921 oil Substances 0.000 description 7
- 239000010779 crude oil Substances 0.000 description 5
- 238000005086 pumping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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
Landscapes
- 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 kind of spinning centralizers, including center-pole and supporting positive cover, the supporting positive cover is rotatably sheathed on center-pole, the supporting positive cover includes inner sleeve, outer barrel and blade, inner sleeve is sheathed on center-pole, inner sleeve external cylindrical surface is equipped with several blades being evenly arranged that the medium axially flowed enables to inner sleeve to rotate, and outer barrel is arranged with outside inner sleeve, and blade is equipped between the outer barrel and inner sleeve.The technical purpose of the present invention is to provide a kind of spinning centralizer for preventing eccentric wear from generating.
Description
Technical field
The present invention relates to centralizer fields, more particularly to a kind of spinning centralizer applied in oil field.
Background technology
The common centralizer used in oil well can be squeezed the supporting positive cover of centralizer in tubing wall because of sucker rod partial wear
On, it, sometimes can also be because of so that the eccentric wear of supporting positive cover to grind a groove on oil pipe during long-term use
Axis pin is broken can be oil pumping pump seizure, to be damaged to pumping unit and oil pipe, to cannot be guaranteed the stabilization of operation
Property and benefit.
Invention content
In view of the above problems, technical purpose of the invention is to provide a kind of spinning for preventing eccentric wear from generating and helps
Positive device.
The invention is realized by the following technical scheme：
The spinning centralizer of the present invention, including center-pole and supporting positive cover, the supporting positive cover are rotatably sheathed on center
On bar, the supporting positive cover includes inner sleeve, outer barrel and blade, and inner sleeve is sheathed on center-pole, and inner sleeve external cylindrical surface is equipped with axial
The medium of flowing enables to several blades being evenly arranged that inner sleeve rotates, and is arranged with outer barrel outside inner sleeve, the outer barrel with it is interior
Blade is equipped between set.
The external cylindrical surface of the spinning centralizer of the present invention, the outer barrel is equipped with several through-holes being evenly arranged, described
A diameter of 4~10mm of through-hole.
The axis of the spinning centralizer of the present invention, the both ends of the supporting positive cover is equipped with convex shoulder, and the outer diameter of the convex shoulder is small
In the internal diameter of outer barrel, side wall of the convex shoulder close to supporting positive cover side is equipped with groove.
The spinning centralizer of the present invention, a diameter of 6~8mm of the through-hole on the outer barrel.
The spinning centralizer of the present invention, the outer diameter of the convex shoulder are 0.8 times of the internal diameter of outer barrel.
The beneficial effects of the invention are as follows:
It can be by crude oil to being flowed in the blade in supporting positive cover, to drive supporting positive cover to rotate, to avoid the production of eccentric wear
It is raw, and the groove being equipped on convex shoulder enables to flow through the medium of blade by trough return current, to be carried out to supporting positive cover
Slow down.
Description of the drawings
Fig. 1 is the structure chart of spinning centralizer；
Fig. 2 is the structure chart of supporting positive cover.
It is marked in figure：Bar centered on 1,2 be supporting positive cover, 3 be blade, 4 be inner sleeve, 5 be outer barrel, 6 be through-hole, 7 be groove.
Specific implementation mode
The present invention is described in detail below in conjunction with the accompanying drawings.
Spinning centralizer as shown in Figures 1 and 2, including center-pole 1 and supporting positive cover 2, the supporting positive cover 2 can freely turn
It is sheathed on dynamicly on center-pole 1, the supporting positive cover 2 includes inner sleeve 4, outer barrel 5 and blade 3, and inner sleeve 4 is sheathed on center-pole 1, interior
It covers 4 external cylindrical surfaces and is equipped with several blades 3 being evenly arranged that the medium that axially flows enables to inner sleeve to rotate, outside inner sleeve 4
It is arranged with outer barrel 5, blade 3 is equipped between the outer barrel 5 and inner sleeve 4.
The external cylindrical surface of the outer barrel 5 be equipped with several through-holes 6 being evenly arranged, a diameter of 4~10mm of the through-hole,
Can be 6~8mm, preferably 6mm.The through-hole 6 being equipped with can crude oil overflowed from through-hole 6, flow between outer barrel and oil pipe, it is right
It is lubricated.
The axis at the both ends of the supporting positive cover 2 is equipped with convex shoulder, and the outer diameter of the convex shoulder is less than the internal diameter of outer barrel 5, described convex
The side wall of nearly 2 side of supporting positive cover of shoulder rest is equipped with groove 7, so that crude oil can form reflux after striking groove 7, from
And supporting positive cover is slowed down.The outer diameter of the convex shoulder is 0.8 times of the internal diameter of outer barrel 5, by the way that the outer diameter of convex shoulder is set as outer barrel 5
0.8 times of internal diameter so that crude oil can either have larger area of passage be flowed into outer barrel 5, can also make
It obtains part crude oil to flow back by the effect of groove 7, so as to enable to supporting positive cover to slow down.This spinning supporting positive cover can be kept away
Exempt to form eccentric wear to oil pipe so that the durability higher of oil pipe.
Claims (5)
1. a kind of spinning centralizer, which is characterized in that including center-pole（1）And supporting positive cover（2）, the supporting positive cover（2）It can be certainly
By being rotationally sheathed on center-pole（1）On, the supporting positive cover（2）Including inner sleeve（4）, outer barrel（5）And blade（3）, inner sleeve（4）Set
Set on center-pole（1）On, inner sleeve（4）External cylindrical surface is equipped with the medium axially flowed and enables to the several uniform of inner sleeve rotation
The blade of arrangement（3）, inner sleeve（4）It is arranged with outer barrel outside（5）, the outer barrel（5）With inner sleeve（4）Between be equipped with blade（3）.
2. spinning centralizer according to claim 1, which is characterized in that the outer barrel（5）External cylindrical surface be equipped with
Several through-holes being evenly arranged（6）, a diameter of 4~10mm of the through-hole.
3. spinning centralizer according to claim 1, which is characterized in that the supporting positive cover（2）Both ends axis on set
There are convex shoulder, the outer diameter of the convex shoulder to be less than outer barrel（5）Internal diameter, the convex shoulder is close to supporting positive cover（2）The side wall of side is equipped with groove
（7）.
4. spinning centralizer according to claim 2, which is characterized in that the outer barrel（5）On through-hole a diameter of 6
~8mm.
5. spinning centralizer according to claim 2, which is characterized in that the outer diameter of the convex shoulder is outer barrel（5）It is interior
0.8 times of diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611138547.3A CN108612487B (en) | 2016-12-12 | 2016-12-12 | Self-rotating centralizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611138547.3A CN108612487B (en) | 2016-12-12 | 2016-12-12 | Self-rotating centralizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108612487A true CN108612487A (en) | 2018-10-02 |
| CN108612487B CN108612487B (en) | 2021-03-19 |
Family
ID=63643268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611138547.3A Active CN108612487B (en) | 2016-12-12 | 2016-12-12 | Self-rotating centralizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108612487B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1460632A (en) * | 1922-06-28 | 1923-07-03 | Wilson B Wigle | Centering cementing shoe |
| US1767198A (en) * | 1928-01-31 | 1930-06-24 | Baker Oil Tools Inc | Well-casing-centering device |
| CN2503195Y (en) * | 2001-08-09 | 2002-07-31 | 樊玉兰 | Centering sucker rod |
| CN2570438Y (en) * | 2002-09-09 | 2003-09-03 | 李德全 | Multiple function pumping rod |
| CN2685538Y (en) * | 2004-02-11 | 2005-03-16 | 鲁广立 | Rotary moving sucker rod centralising device |
| CN2799838Y (en) * | 2005-05-31 | 2006-07-26 | 中国石化集团胜利石油管理局总机械厂 | Screw type pumping rod centralizer |
| CN2937446Y (en) * | 2006-01-18 | 2007-08-22 | 山东九环石油机械有限公司 | Spacing rotation centering wax scraper |
| CN200961449Y (en) * | 2006-10-20 | 2007-10-17 | 赵科昌 | Oil sucking rod for resisting eccentric wear |
| CN201196033Y (en) * | 2008-05-22 | 2009-02-18 | 黄石市新科石油机械配件厂 | Self-rotating bias wearing-proof centralizer |
| CN101581203A (en) * | 2009-06-19 | 2009-11-18 | 中国海洋石油总公司 | Near-bit centralizer of riser pipe under simulated injection method |
| CN202202822U (en) * | 2011-09-08 | 2012-04-25 | 东北石油大学 | Torque-reducing connector for a drill rod |
| CN202401987U (en) * | 2011-12-02 | 2012-08-29 | 辽宁跨克石油装备有限公司 | Integral sliding-bush type sucker rod wear-resistant centralizer |
| CN204571869U (en) * | 2015-02-03 | 2015-08-19 | 李德全 | A kind of anticreep eccentric abrasion prevention paraffin cutting oil pumping rod centering device |
| CN205778580U (en) * | 2016-06-24 | 2016-12-07 | 中国石油天然气股份有限公司 | A kind of sucker rod |
-
2016
- 2016-12-12 CN CN201611138547.3A patent/CN108612487B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1460632A (en) * | 1922-06-28 | 1923-07-03 | Wilson B Wigle | Centering cementing shoe |
| US1767198A (en) * | 1928-01-31 | 1930-06-24 | Baker Oil Tools Inc | Well-casing-centering device |
| CN2503195Y (en) * | 2001-08-09 | 2002-07-31 | 樊玉兰 | Centering sucker rod |
| CN2570438Y (en) * | 2002-09-09 | 2003-09-03 | 李德全 | Multiple function pumping rod |
| CN2685538Y (en) * | 2004-02-11 | 2005-03-16 | 鲁广立 | Rotary moving sucker rod centralising device |
| CN2799838Y (en) * | 2005-05-31 | 2006-07-26 | 中国石化集团胜利石油管理局总机械厂 | Screw type pumping rod centralizer |
| CN2937446Y (en) * | 2006-01-18 | 2007-08-22 | 山东九环石油机械有限公司 | Spacing rotation centering wax scraper |
| CN200961449Y (en) * | 2006-10-20 | 2007-10-17 | 赵科昌 | Oil sucking rod for resisting eccentric wear |
| CN201196033Y (en) * | 2008-05-22 | 2009-02-18 | 黄石市新科石油机械配件厂 | Self-rotating bias wearing-proof centralizer |
| CN101581203A (en) * | 2009-06-19 | 2009-11-18 | 中国海洋石油总公司 | Near-bit centralizer of riser pipe under simulated injection method |
| CN202202822U (en) * | 2011-09-08 | 2012-04-25 | 东北石油大学 | Torque-reducing connector for a drill rod |
| CN202401987U (en) * | 2011-12-02 | 2012-08-29 | 辽宁跨克石油装备有限公司 | Integral sliding-bush type sucker rod wear-resistant centralizer |
| CN204571869U (en) * | 2015-02-03 | 2015-08-19 | 李德全 | A kind of anticreep eccentric abrasion prevention paraffin cutting oil pumping rod centering device |
| CN205778580U (en) * | 2016-06-24 | 2016-12-07 | 中国石油天然气股份有限公司 | A kind of sucker rod |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108612487B (en) | 2021-03-19 |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210506 Address after: 163000 No.4, Beiyi Road, Huoju village, Saertu District, Daqing City, Heilongjiang Province Patentee after: DALIAN SHENGWEI MACHINERY MANUFACTURING Co.,Ltd. Address before: 618000 Deyang High-tech Industrial Park, Sichuan Province, northeast corner of the intersection of Yinhe Road and Second Ring Road Patentee before: SICHUAN YUTIAN PETROLEUM MACHINERY EQUIPMENT Co.,Ltd. |