CN104632098A - Multi-arm righting device for oil exploitation - Google Patents
Multi-arm righting device for oil exploitation Download PDFInfo
- Publication number
- CN104632098A CN104632098A CN201510057238.2A CN201510057238A CN104632098A CN 104632098 A CN104632098 A CN 104632098A CN 201510057238 A CN201510057238 A CN 201510057238A CN 104632098 A CN104632098 A CN 104632098A
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- China
- Prior art keywords
- slip
- fixed part
- righting device
- external force
- arm
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- Pending
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- 230000000694 effects Effects 0.000 abstract description 9
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002244 precipitate Substances 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
- E21B17/1014—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well
- E21B17/1021—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well with articulated arms or arcuate springs
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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)
- Fishing Rods (AREA)
Abstract
The invention discloses a multi-arm righting device for oil exploitation. The righting device is provided with multiple assembling spring plates, the assembling spring plates are arranged on multiple supporting arms, a section of a tension spring which can improve the elastic force is added in the structure, the structure can improve the elastic force of the righting device, therefore, when the righting device is subjected to suddenly increasing external force, the righting device can bear the impact of the external force, and a righting function is achieved. The multi-arm righting device for oil exploitation can extend in time with the increasing of the external force and flexibly respond to the change of the external force to buffer the impact of the external force on the righting device; the tension spring can slowly retract when the external force is decreased, assembling springs are pulled to restore, and therefore the righting function is achieved; the structure is simple, the operation is convenient, and the effect is obvious.
Description
Technical field
The present invention relates to field of petroleum machinery, particularly, relate to a kind of multi-arm righting device for oil exploitation.
Background technology
centralizer belongs to cementing tool, and it manufactures simple, and structure is attractive in appearance, firm and durable, and uprighting force is large, and overcoming the deficiency that sealing-off easily occurs former welded type centralizer, is a kind of centralizer that can ensure well drilling and cementing quality.Centralizer is of a great variety, can be divided into roller type, slide block type, automatic reverse formula etc. by structure.The centralizer of different structure and material, is applicable to the oil well of dissimilar eccentric wear.Use centralizer eccentric wear-proof process key technology be centralizer install position, spacing and quantity.
Existing centralizer, when being subject to the external force strengthened suddenly, cannot sustaining precipitate pressure, and cannot play the effect of righting, cause the effect of righting undesirable, cannot continue normal work.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of multi-arm righting device for oil exploitation, this centralizer is provided with multiple cluster spring plate, cluster spring plate is separately positioned on multiple support arm and between this structure, add the extension spring that a section can promote elastic force, such structure can promote the elastic force of centralizer, make centralizer can when being subject to the external force strengthened suddenly, the effect of righting be played in the impact sustaining external force.
The present invention's adopted technical scheme that solves the problem is:
For the multi-arm righting device of oil exploitation, comprise upper end, multiple support arm, multiple cluster spring plate, rear end and connect the connecting rod of upper end and rear end, described connecting rod comprises slip front end, the middle part a that slides holds, slide middle part b end, slip rear end, described upper end is connected with slip front end, and the junction of slip front end and upper end is also provided with front baffle ring;
Slip front end is connected with slip middle part a end, and the joint of slip front end and the middle part a end that slides is provided with fixed part c, and fixed part c can slide along slip front end and the middle part a end that slides; The middle part b end that slides is connected with slip rear end, and the joint of slide middle part b end and slip rear end is also provided with fixed part d, and fixed part d can slide along slip rear end and the middle part b end that slides; Multiple support arm is evenly arranged between fixed part c and fixed part d, and multiple described support arm is shaped form; Also extension spring is provided with between described slip middle part a end and the middle part b that slides hold, extension spring two ends are respectively arranged with slidable termination, multiple described cluster spring plate is arranged between termination, cluster spring plate comprises left spring plate and right latch plate, one end of left spring plate is connected with the termination being positioned at extension spring left end, the other end of left spring plate and one end hinge of right latch plate are on support arm, and the other end of right latch plate is connected with the termination of extension spring right-hand member.
Design of the present invention with: multiple cluster spring plate can when external force increases suddenly along with the direction of corresponding multiple gripper shoes along connecting rod extends, and because the extension spring that connecting rod is arranged can keep out the impact that external force increases suddenly, can extend in time along with external force increases, the change of flexible reply external force, to cushion the impact of external force on centralizer, and extension spring can also slowly be retracted when external force reduces, pull cluster spring sheet reset, thus play the effect of righting.
Described fixed part c or fixed part d evenly offers groove, and support arm is arranged in groove.
Described fixed part c or fixed part d can slide on connecting rod.Such setting can contribute to the change that gripper shoe adapts to external force, and reply external force on the impact of centralizer, thus ensures that centralizer plays the effect of righting.
The joint of described slip front end and the middle part a end that slides also is provided with baffle ring e, and the joint of slip rear end and the middle part b end that slides also is provided with baffle ring f.
Described rear end is also provided with rear baffle ring.
To sum up, the invention has the beneficial effects as follows:
The present invention can extend in time along with external force increases, flexibly the change of reply external force, to cushion the impact of external force on centralizer, and extension spring can also slowly be retracted when external force reduces, pull cluster spring sheet reset, thus play the effect of righting, structure is simple, easy to operate, successful.
Accompanying drawing explanation
Fig. 1 is invention structure chart.
Mark and corresponding component title in accompanying drawing:
1, upper end, 21, slip front end, 22, slide middle part a end, 23, slide middle part b end, 24, slip rear end, 3, rear end, 4, support arm, 5, cluster spring plate, 6, extension spring, 7, termination, 81, fixed part c, 82, fixed part d.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, to the detailed description further of the present invention's do, but embodiments of the present invention are not limited thereto.
Embodiment 1:
As shown in Figure 1, for the multi-arm righting device of oil exploitation, comprise upper end 1, multiple support arm 4, multiple cluster spring plate 5, rear end 3 and connect the connecting rod of upper end 1 and rear end 3, described connecting rod comprises slip front end 21, the middle part a that slides holds 22, slide middle part b end 23, slip rear end 24, described upper end 1 is connected with slip front end 21, and the junction of slip front end 21 and upper end 1 is also provided with front baffle ring;
Slip front end 21 is connected with slip middle part a end 22, and the joint of slip front end 21 and the middle part a end 22 that slides is provided with fixed part c81, and fixed part c81 can slide along slip front end 21 and the middle part a end that slides; The middle part b end 23 that slides is connected with slip rear end 24, and the joint of slide middle part b end 23 and slip rear end 24 is also provided with fixed part d82, and fixed part d82 can slide along slip rear end 24 and the middle part b end 23 that slides; Multiple support arm 4 is evenly arranged between fixed part c81 and fixed part d82, and multiple described support arm 4 is shaped form; Described slip middle part a end 22 and the middle part b that slides also are provided with extension spring 6 between holding 23, extension spring 6 two ends are respectively arranged with slidable termination 7, multiple described cluster spring plate 5 is arranged between termination 7, cluster spring plate 5 comprises left spring plate and right latch plate, one end of left spring plate is connected with the termination 7 being positioned at extension spring 6 left end, the other end of left spring plate and one end hinge of right latch plate are on support arm 4, and the other end of right latch plate is connected with the termination 7 of extension spring 6 right-hand member.
Design of the present invention is: multiple cluster spring plate 5 can when external force increases suddenly along with the direction of multiple gripper shoes of correspondence along connecting rod extends, and because the extension spring 6 that connecting rod is arranged can keep out the impact that external force increases suddenly, can extend in time along with external force increases, the change of flexible reply external force, to cushion the impact of external force on centralizer, and extension spring 6 can also slowly be retracted when external force reduces, pull cluster spring plate 5 to reset, thus play the effect of righting.
Described fixed part c81 or fixed part d82 evenly offers groove, and support arm 4 is arranged in groove.
Described fixed part c81 or fixed part d82 can slide on connecting rod.Such setting can contribute to the change that gripper shoe adapts to external force, and reply external force on the impact of centralizer, thus ensures that centralizer plays the effect of righting.
The joint of described slip front end 21 and the middle part a end 22 that slides also is provided with baffle ring e, and the joint of slip rear end 24 and the middle part b end 23 that slides also is provided with baffle ring f.
Described rear end 3 is also provided with rear baffle ring.
As mentioned above, the present invention can be realized preferably.
Claims (5)
1. for the multi-arm righting device of oil exploitation, it is characterized in that, comprise upper end (1), multiple support arm (4), multiple cluster spring plate (5), rear end (3) and connect the connecting rod of upper end (1) and rear end (3), described connecting rod comprises slip front end (21), the middle part a that slides holds (22), the middle part b that slides holds (23), slip rear end (24), described upper end (1) is connected with slip front end (21), and the junction of slip front end (21) and upper end (1) is also provided with front baffle ring;
Slip front end (21) is connected with slip middle part a end (22), the joint at slip front end (21) and middle part a end (22) of sliding is provided with fixed part c(81), fixed part c(81) can slide along slip front end (21) and middle part a end (22) of sliding; The middle part b that slides holds (23) to be connected with slip rear end (24), the middle part b that slides holds the joint of (23) and slip rear end (24) to be also provided with fixed part d(82), fixed part d(82) can slide along slip rear end (24) and middle part b end (23) of sliding; Multiple support arm (4) is evenly arranged on fixed part c(81) and fixed part d(82) between, multiple described support arm (4) is shaped form; Described slip middle part a end (22) and the middle part b that slides hold between (23) and are also provided with extension spring (6), extension spring (6) two ends are respectively arranged with slidable termination (7), multiple described cluster spring plate (5) is arranged between termination (7), cluster spring plate (5) comprises left spring plate and right latch plate, one end of left spring plate is connected with the termination (7) being positioned at extension spring (6) left end, the other end of left spring plate and one end hinge of right latch plate are on support arm (4), and the other end of right latch plate is connected with the termination (7) of extension spring (6) right-hand member.
2. the multi-arm righting device for oil exploitation according to claim 1, is characterized in that, described fixed part c(81) or fixed part d(82) on evenly offer groove, support arm (4) is arranged in groove.
3. the multi-arm righting device for oil exploitation according to claim 1, is characterized in that, described fixed part c(81) or fixed part d(82) can slide on connecting rod.
4. the multi-arm righting device for oil exploitation according to claim 1, it is characterized in that, the joint at described slip front end (21) and middle part a end (22) of sliding also is provided with baffle ring e, and the joint at slip rear end (24) and middle part b end (23) of sliding also is provided with baffle ring f.
5. the multi-arm righting device for oil exploitation according to claim 1, is characterized in that, (3) are also provided with rear baffle ring in described rear end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510057238.2A CN104632098A (en) | 2015-02-04 | 2015-02-04 | Multi-arm righting device for oil exploitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510057238.2A CN104632098A (en) | 2015-02-04 | 2015-02-04 | Multi-arm righting device for oil exploitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104632098A true CN104632098A (en) | 2015-05-20 |
Family
ID=53211277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510057238.2A Pending CN104632098A (en) | 2015-02-04 | 2015-02-04 | Multi-arm righting device for oil exploitation |
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| Country | Link |
|---|---|
| CN (1) | CN104632098A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111852383A (en) * | 2020-07-21 | 2020-10-30 | 肖云东 | Oil field downhole tool packer |
| CN112012673B (en) * | 2020-10-22 | 2021-01-15 | 胜利油田固邦石油装备有限责任公司 | Casing centralizer for directional well |
| CN114893168A (en) * | 2022-05-30 | 2022-08-12 | 巴州大朴石油技术服务有限公司 | Multidirectional impact stuck freeing method for well logging and power hole diameter instrument thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3555689A (en) * | 1968-12-19 | 1971-01-19 | Schlumberger Technology Corp | Centralizing and well-calipering apparatus for well tools |
| CN2282599Y (en) * | 1996-11-06 | 1998-05-27 | 潘继武 | Spring support type sucker rod centralising device |
| US20070181298A1 (en) * | 2006-02-09 | 2007-08-09 | Sheiretov Todor K | Self-anchoring device with force amplification |
| CN202483550U (en) * | 2011-10-25 | 2012-10-10 | 西安威盛电子仪器有限公司 | Multi-arm spring type roller centralizer |
| CN203584328U (en) * | 2013-12-10 | 2014-05-07 | 王琼 | Pumping unit well mouth centering device |
| CN204571870U (en) * | 2015-02-04 | 2015-08-19 | 成都大漠石油机械有限公司 | A kind of multi-armed centralizer |
-
2015
- 2015-02-04 CN CN201510057238.2A patent/CN104632098A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3555689A (en) * | 1968-12-19 | 1971-01-19 | Schlumberger Technology Corp | Centralizing and well-calipering apparatus for well tools |
| CN2282599Y (en) * | 1996-11-06 | 1998-05-27 | 潘继武 | Spring support type sucker rod centralising device |
| US20070181298A1 (en) * | 2006-02-09 | 2007-08-09 | Sheiretov Todor K | Self-anchoring device with force amplification |
| CN202483550U (en) * | 2011-10-25 | 2012-10-10 | 西安威盛电子仪器有限公司 | Multi-arm spring type roller centralizer |
| CN203584328U (en) * | 2013-12-10 | 2014-05-07 | 王琼 | Pumping unit well mouth centering device |
| CN204571870U (en) * | 2015-02-04 | 2015-08-19 | 成都大漠石油机械有限公司 | A kind of multi-armed centralizer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111852383A (en) * | 2020-07-21 | 2020-10-30 | 肖云东 | Oil field downhole tool packer |
| CN112012673B (en) * | 2020-10-22 | 2021-01-15 | 胜利油田固邦石油装备有限责任公司 | Casing centralizer for directional well |
| CN114893168A (en) * | 2022-05-30 | 2022-08-12 | 巴州大朴石油技术服务有限公司 | Multidirectional impact stuck freeing method for well logging and power hole diameter instrument thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150520 |
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| RJ01 | Rejection of invention patent application after publication |