CN105649552A - Sucker rod centralizer having better universality - Google Patents
Sucker rod centralizer having better universality Download PDFInfo
- Publication number
- CN105649552A CN105649552A CN201610117066.8A CN201610117066A CN105649552A CN 105649552 A CN105649552 A CN 105649552A CN 201610117066 A CN201610117066 A CN 201610117066A CN 105649552 A CN105649552 A CN 105649552A
- Authority
- CN
- China
- Prior art keywords
- air bag
- positive cover
- supporting positive
- centering device
- oil pumping
- 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
- 238000005086 pumping Methods 0.000 claims description 32
- 210000002445 nipple Anatomy 0.000 claims description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000003973 paint Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 22
- 230000000694 effects Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 238000005299 abrasion Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011084 recovery 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
- E21B17/1071—Wear protectors; Centralising devices, e.g. stabilisers specially adapted for pump rods, e.g. sucker rods
-
- 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
- E21B17/1014—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well
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 sucker rod centralizer having the better universality. The sucker rod centralizer comprises couplings, a centralizing sleeve and a short joint, wherein the couplings are arranged at the two ends of the short joint and used for connecting and fixing a sucker rod, the outer surface of the short joint is sleeved with the centralizing sleeve, N air bag assemblies are arranged in the centralizing sleeve, each air bag assembly consists of an air bag, a gas generator and an igniter, the igniter is connected with the gas generator, the gas generator is located in the air bag, and the igniter is connected with a power supply through a control switch.
Description
Technical field
The present invention relates to field of petroleum machinery, particularly relate to a kind of good oil pumping rod centering device of versatility.
Background technology
Oil pumping rod centering device is anti-pumpingh well eccentric wear downhole tool, suitable in the rod-pumped well of eccentric wear, it is particularly suited for rod-pumped well and the deviated directional drilling of the above eccentric wear of the sucker rod point of neutralization, below the sucker rod point of neutralization, coordinating with the nylon centralising device on the oil pumping body of rod, eccentric abrasion prevention effect is more preferably.
Sucker rod is up and down in oil pipe, easily produces friction due to the elastic deformation of sucker rod, bar and tubing wall, sucker rod is easily disconnected de-, oil pumping rod centering device has that pliability is strong, it contact with tube inner wall, it is possible to reduce the friction of bar and pipe, the oil recovery life-span of enhancing oil pumper.
It is connected on sucker rod, utilizes the external diameter of supporting positive cover to play centralizing function more than rod collar external diameter; Utilizing supporting positive cover is High Strength Wear-Resistance Material, contacts with oil pipe and makes centralizer body wear and tear, and reduce the abrasion of oil pipe, to reach the purpose of eccentric abrasion prevention.
In the prior art, owing to different tubing sizes is different, it is thus desirable to support the use oil pumping rod centering device, the centralizer that different sucker rods is corresponding is different, causes that on-the-spot centralizer is more, and between different centralizers, versatility is less, cause relatively costly, when using the not corresponding centralizer of size, result of use is poor, it is easy to damage equipment.
In sum, present inventor is in realizing the embodiment of the present application in the process of inventive technique scheme, it has been found that above-mentioned technology at least exists following technical problem:
In the prior art, there is the technical problem that versatility is poor in existing oil pumping rod centering device.
Summary of the invention
The invention provides a kind of good oil pumping rod centering device of versatility, solve existing oil pumping rod centering device and there is the technical problem that versatility is poor, it is achieved that the good technique effect of oil pumping rod centering device versatility.
For solving above-mentioned technical problem, the embodiment of the present application provides the good oil pumping rod centering device of versatility, and described oil pumping rod centering device includes:
Box cupling, supporting positive cover, pipe nipple, described box cupling is arranged on the two ends of described pipe nipple, described box cupling is used for connecting fixing sucker rod, described supporting positive cover is set in described pipe nipple outer surface, wherein, is provided with N number of air bag component in described supporting positive cover, described air bag component is made up of air bag, gas generator, lighter, described lighter is connected with described gas generator, and described gas generator is positioned at described air bag, and described lighter is connected with power supply by controlling switch.
Wherein, described N number of air bag component is evenly distributed in described supporting positive cover.
Wherein, described supporting positive cover is cylindric, and described supporting positive cover adopts rubber to make.
Wherein, described pipe nipple adopts angle steel to make, and described pipe nipple surface scribbles antirust paint.
The one or more technical schemes provided in the embodiment of the present application, at least have the following technical effect that or advantage:
Include owing to have employed to be designed as good for versatility oil pumping rod centering device: box cupling, supporting positive cover, pipe nipple, described box cupling is arranged on the two ends of described pipe nipple, described box cupling is used for connecting fixing sucker rod, described supporting positive cover is set in described pipe nipple outer surface, wherein, N number of air bag component it is provided with in described supporting positive cover, described air bag component is by air bag, gas generator, lighter forms, described lighter is connected with described gas generator, described gas generator is positioned at described air bag, described lighter is by controlling the technical scheme that switch is connected with power supply, namely oil pick-up tube centralizer is in use, discovery supporting positive cover is smaller, cause that righting reduces the effect worn and torn poor, now staff makes lighter energising light a fire by controlling switch, the powder burning in gas generator is made to produce a large amount of gases, make airbag inflation, and then supporting positive cover is expanded, achieve the change to supporting positive cover size, adapt to new tubing size, versatility is stronger, when size is still improper, can be according to actual needs, open suitable number of air bag component, reach the purpose of reasonable adjusting supporting positive cover size, so, efficiently solve existing oil pumping rod centering device and there is the technical problem that versatility is poor, and then achieve the good technique effect of oil pumping rod centering device versatility.
Accompanying drawing explanation
Fig. 1 is the structural representation of the good oil pumping rod centering device of versatility in the embodiment of the present application one;
Wherein, 1-box cupling, 2-supporting positive cover, 3-pipe nipple, 4-air bag, 5-gas generator, 6-lighter, 7-controls switch.
Detailed description of the invention
The invention provides a kind of good oil pumping rod centering device of versatility, solve existing oil pumping rod centering device and there is the technical problem that versatility is poor, it is achieved that the good technique effect of oil pumping rod centering device versatility.
Technical scheme in the application enforcement is for solving above-mentioned technical problem. General thought is as follows:
Have employed to be designed as good for versatility oil pumping rod centering device and include: box cupling, supporting positive cover, pipe nipple, described box cupling is arranged on the two ends of described pipe nipple, described box cupling is used for connecting fixing sucker rod, described supporting positive cover is set in described pipe nipple outer surface, wherein, N number of air bag component it is provided with in described supporting positive cover, described air bag component is by air bag, gas generator, lighter forms, described lighter is connected with described gas generator, described gas generator is positioned at described air bag, described lighter is by controlling the technical scheme that switch is connected with power supply, namely oil pick-up tube centralizer is in use, discovery supporting positive cover is smaller, cause that righting reduces the effect worn and torn poor, now staff makes lighter energising light a fire by controlling switch, the powder burning in gas generator is made to produce a large amount of gases, make airbag inflation, and then supporting positive cover is expanded, achieve the change to supporting positive cover size, adapt to new tubing size, versatility is stronger, when size is still improper, can be according to actual needs, open suitable number of air bag component, reach the purpose of reasonable adjusting supporting positive cover size, so, efficiently solve existing oil pumping rod centering device and there is the technical problem that versatility is poor, and then achieve the good technique effect of oil pumping rod centering device versatility.
In order to be better understood from technique scheme, below in conjunction with Figure of description and specific embodiment, technique scheme is described in detail.
Embodiment one:
In embodiment one, it is provided that the good oil pumping rod centering device of versatility, refer to Fig. 1, described oil pumping rod centering device includes:
Box cupling 1, supporting positive cover 2, pipe nipple 3, described box cupling is arranged on the two ends of described pipe nipple, described box cupling is used for connecting fixing sucker rod, described supporting positive cover is set in described pipe nipple outer surface, wherein, is provided with N number of air bag component in described supporting positive cover, described air bag component is made up of air bag 4, gas generator 5, lighter 6, described lighter is connected with described gas generator, and described gas generator is positioned at described air bag, and described lighter is connected with power supply by controlling switch 7.
Wherein, in the embodiment of the present application, described N number of air bag component is evenly distributed in described supporting positive cover.
Wherein, in the embodiment of the present application, described supporting positive cover is cylindric, and described supporting positive cover adopts rubber to make.
Wherein, in the embodiment of the present application, described pipe nipple adopts angle steel to make, and described pipe nipple surface scribbles antirust paint.
Wherein, in the embodiment of the present application, adopt angle steel can the intensity of ensuring equipment, antirust paint is possible to prevent to get rusty.
Technical scheme in above-mentioned the embodiment of the present application, at least has the following technical effect that or advantage:
Include owing to have employed to be designed as good for versatility oil pumping rod centering device: box cupling, supporting positive cover, pipe nipple, described box cupling is arranged on the two ends of described pipe nipple, described box cupling is used for connecting fixing sucker rod, described supporting positive cover is set in described pipe nipple outer surface, wherein, N number of air bag component it is provided with in described supporting positive cover, described air bag component is by air bag, gas generator, lighter forms, described lighter is connected with described gas generator, described gas generator is positioned at described air bag, described lighter is by controlling the technical scheme that switch is connected with power supply, namely oil pick-up tube centralizer is in use, discovery supporting positive cover is smaller, cause that righting reduces the effect worn and torn poor, now staff makes lighter energising light a fire by controlling switch, the powder burning in gas generator is made to produce a large amount of gases, make airbag inflation, and then supporting positive cover is expanded, achieve the change to supporting positive cover size, adapt to new tubing size, versatility is stronger, when size is still improper, can be according to actual needs, open suitable number of air bag component, reach the purpose of reasonable adjusting supporting positive cover size, so, efficiently solve existing oil pumping rod centering device and there is the technical problem that versatility is poor, and then achieve the good technique effect of oil pumping rod centering device versatility.
Although preferred embodiments of the present invention have been described, but those skilled in the art are once know basic creative concept, then these embodiments can be made other change and amendment. So, claims are intended to be construed to include preferred embodiment and fall into all changes and the amendment of the scope of the invention.
Obviously, the present invention can be carried out various change and modification without deviating from the spirit and scope of the present invention by those skilled in the art. So, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (4)
1. the good oil pumping rod centering device of versatility, it is characterised in that described oil pumping rod centering device includes:
Box cupling, supporting positive cover, pipe nipple, described box cupling is arranged on the two ends of described pipe nipple, described box cupling is used for connecting fixing sucker rod, described supporting positive cover is set in described pipe nipple outer surface, wherein, is provided with N number of air bag component in described supporting positive cover, described air bag component is made up of air bag, gas generator, lighter, described lighter is connected with described gas generator, and described gas generator is positioned at described air bag, and described lighter is connected with power supply by controlling switch.
2. the good oil pumping rod centering device of versatility according to claim 1, it is characterised in that described N number of air bag component is evenly distributed in described supporting positive cover.
3. the good oil pumping rod centering device of versatility according to claim 1, it is characterised in that described supporting positive cover is cylindric, described supporting positive cover adopts rubber to make.
4. the good oil pumping rod centering device of versatility according to claim 1, it is characterised in that described pipe nipple adopts angle steel to make, and described pipe nipple surface scribbles antirust paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610117066.8A CN105649552A (en) | 2016-03-02 | 2016-03-02 | Sucker rod centralizer having better universality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610117066.8A CN105649552A (en) | 2016-03-02 | 2016-03-02 | Sucker rod centralizer having better universality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105649552A true CN105649552A (en) | 2016-06-08 |
Family
ID=56492867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610117066.8A Pending CN105649552A (en) | 2016-03-02 | 2016-03-02 | Sucker rod centralizer having better universality |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105649552A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107560662A (en) * | 2016-11-19 | 2018-01-09 | 国网河南省电力公司漯河供电公司 | A kind of shaft tower remote online overturning-preventing monitoring system |
| CN108279514A (en) * | 2017-12-29 | 2018-07-13 | 重庆市中光电显示技术有限公司 | A kind of polaroid loading attachment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2033051U (en) * | 1986-08-09 | 1989-02-22 | 辽河石油勘探局科学技术研究院 | Sucker rod with righting scraper wax |
| CN2039737U (en) * | 1988-11-10 | 1989-06-21 | 孙威 | Rod-shaped inner-magnet type waxing-proof device |
| US20020135454A1 (en) * | 2001-03-22 | 2002-09-26 | Shunji Ichida | Temperature sensor |
| JP2004256656A (en) * | 2003-02-26 | 2004-09-16 | Toray Ind Inc | Liquid crystalline polyester and composition containing the same |
| CN2660095Y (en) * | 2003-10-17 | 2004-12-01 | 东营市胜利恒通科技实业有限公司 | Anti-grinding centering guide of sucker rod |
| CN1720095A (en) * | 2002-12-09 | 2006-01-11 | 大赛璐化学工业株式会社 | Gas generator for air bag |
| CN205400615U (en) * | 2016-03-02 | 2016-07-27 | 成都来宝石油设备有限公司 | Sucker rod centering device |
-
2016
- 2016-03-02 CN CN201610117066.8A patent/CN105649552A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2033051U (en) * | 1986-08-09 | 1989-02-22 | 辽河石油勘探局科学技术研究院 | Sucker rod with righting scraper wax |
| CN2039737U (en) * | 1988-11-10 | 1989-06-21 | 孙威 | Rod-shaped inner-magnet type waxing-proof device |
| US20020135454A1 (en) * | 2001-03-22 | 2002-09-26 | Shunji Ichida | Temperature sensor |
| CN1720095A (en) * | 2002-12-09 | 2006-01-11 | 大赛璐化学工业株式会社 | Gas generator for air bag |
| JP2004256656A (en) * | 2003-02-26 | 2004-09-16 | Toray Ind Inc | Liquid crystalline polyester and composition containing the same |
| CN2660095Y (en) * | 2003-10-17 | 2004-12-01 | 东营市胜利恒通科技实业有限公司 | Anti-grinding centering guide of sucker rod |
| CN205400615U (en) * | 2016-03-02 | 2016-07-27 | 成都来宝石油设备有限公司 | Sucker rod centering device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107560662A (en) * | 2016-11-19 | 2018-01-09 | 国网河南省电力公司漯河供电公司 | A kind of shaft tower remote online overturning-preventing monitoring system |
| CN107560662B (en) * | 2016-11-19 | 2022-04-05 | 国网河南省电力公司漯河供电公司 | Remote online anti-toppling monitoring system for tower |
| CN108279514A (en) * | 2017-12-29 | 2018-07-13 | 重庆市中光电显示技术有限公司 | A kind of polaroid loading attachment |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160608 |