CN207436947U - A kind of elasticity pipe column centralizer - Google Patents
A kind of elasticity pipe column centralizer Download PDFInfo
- Publication number
- CN207436947U CN207436947U CN201721476152.4U CN201721476152U CN207436947U CN 207436947 U CN207436947 U CN 207436947U CN 201721476152 U CN201721476152 U CN 201721476152U CN 207436947 U CN207436947 U CN 207436947U
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- CN
- China
- Prior art keywords
- supporting block
- tubing string
- active trench
- pipe column
- utility
- 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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Abstract
The utility model discloses a kind of elastic pipe column centralizers, multiple longitudinal active trench are made on the body outer wall, supporting block is placed in active trench, and leaf spring is placed between supporting block and active trench slot bottom, supporting block both ends are separately fixed on garter spring in main body with garter spring /V with pin.Advantageous effect：In the utility model; supporting block is in its natural state; entire centralizer maximum outside diameter is no more than pit shaft internal diameter; it goes into the well to tubing string and does not form resistance; can multistage application, and installation can be protected to be afraid of the other downhole tools scratched on tubing string, and when running into shaft deformation or wax deposition when card resistances; supporting block compressible leaf springs and recycle, be unlikely to cause tubing string stuck.
Description
Technical field
The utility model belongs to the telescopic oil-water well of petroleum production engineering applied technology field, especially outer diameter with elastic tubing string
Centralizer, and in particular to a kind of elasticity pipe column centralizer,
Background technology
As inclined shaft directional well is widely applied in recent years, swipe accident occurs repeatedly during downhole tool is gone into the well, therefore
It should add near the downhole tool for being afraid of swipe with centralizing tool, special open sends out this product therefore.
This product is used for tubing string righting, prevents tubing string during going into the well by downhole tool on borehole wall operation damage tubing string
Rubber parts is also prevented from generating swipe accident because some downhole tools malfunction caused by running with tubing string friction, while some
It needs to carry out to make tubing string that there is centering during docking operation.
Utility model content
The purpose of this utility model is to provide a kind of elastic pipe column centralizer, solves swipe during downhole tool is gone into the well
Problem.
The utility model is achieved through the following technical solutions：A kind of elasticity pipe column centralizer, including main body, main body ditch
Slot, garter spring, supporting block, leaf spring, pin composition；Multiple longitudinal active trench are made on the body outer wall, supporting block is placed in
In active trench, leaf spring is placed between supporting block and active trench slot bottom, supporting block both ends are with garter spring /V, separately with pin hoop
Ring is fixed in main body.
The utility model advantageous effect：In the utility model, supporting block in its natural state, entire centralizer maximum outside diameter
No more than pit shaft internal diameter, go into the well to tubing string and do not form resistance, can multistage application, and can protect on tubing string installation be afraid of to scratch it is other
Downhole tool, and when running into shaft deformation or wax deposition when card resistances, supporting block compressible leaf springs and recycle, be unlikely to cause tubing string
It is stuck.
Description of the drawings
Attached drawing is the utility model structure diagram.
In figure, 1- main bodys, 2- garter springs, 3- supporting blocks, 4- leaf springs, 5- pins.
Specific embodiment
A kind of elasticity pipe column centralizer includes main body 1, active trench 101, garter spring 2, supporting block 3, leaf spring 4, pin 5 in figure
Composition；Multiple longitudinal active trench 101 are made on 1 outer wall of main body, supporting block 3 is placed in active trench 101, supporting block
Leaf spring 4 is placed between 3 and 101 slot bottom of active trench, 3 both ends of supporting block are separately fixed on garter spring 2 with pin 5 with 2 /V of garter spring
In main body 1.
In its natural state, entire centralizer maximum outside diameter is no more than pit shaft internal diameter to the supporting block 3, goes into the well to tubing string
Do not form resistance, can multistage application, but installation can be protected to be afraid of the other downhole tools scratched on tubing string, and when running into shaft deformation
Or wax deposition is when card resistances, 3 compressible leaf springs 4 of supporting block and recycle, be unlikely to cause tubing string stuck.
Claims (1)
1. a kind of elasticity pipe column centralizer, including main body (1), active trench (101), garter spring (2), supporting block (3), leaf spring (4),
Pin (5) forms；It is characterized in that：Multiple longitudinal active trench (101), supporting block (3) are made on described main body (1) outer wall
It is placed in active trench (101), leaf spring (4), supporting block (3) both ends is placed between supporting block (3) and active trench (101) slot bottom
With garter spring (2) /V, separately garter spring (2) is fixed in main body (1) with pin (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721476152.4U CN207436947U (en) | 2017-11-08 | 2017-11-08 | A kind of elasticity pipe column centralizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721476152.4U CN207436947U (en) | 2017-11-08 | 2017-11-08 | A kind of elasticity pipe column centralizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207436947U true CN207436947U (en) | 2018-06-01 |
Family
ID=62291201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721476152.4U Active CN207436947U (en) | 2017-11-08 | 2017-11-08 | A kind of elasticity pipe column centralizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207436947U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440939A (en) * | 2019-08-14 | 2019-11-12 | 建龙北满特殊钢有限责任公司 | Electric furnace furnace shell temperature element |
-
2017
- 2017-11-08 CN CN201721476152.4U patent/CN207436947U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440939A (en) * | 2019-08-14 | 2019-11-12 | 建龙北满特殊钢有限责任公司 | Electric furnace furnace shell temperature element |
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