CN207176079U - A kind of quick-mounting formula casing tube anti-corrosive apparatus - Google Patents
A kind of quick-mounting formula casing tube anti-corrosive apparatus Download PDFInfo
- Publication number
- CN207176079U CN207176079U CN201721113108.7U CN201721113108U CN207176079U CN 207176079 U CN207176079 U CN 207176079U CN 201721113108 U CN201721113108 U CN 201721113108U CN 207176079 U CN207176079 U CN 207176079U
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- Prior art keywords
- casing tube
- quick
- corrosion
- corrosive
- reducing
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- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Abstract
The utility model provides a kind of quick-mounting formula casing tube anti-corrosive apparatus, quick-mounting formula casing tube anti-corrosive apparatus includes the anti-corrosion overcoat of truncated cone-shaped, the upper surface and lower surface of anti-corrosion overcoat are coated respectively with heat-resisting conducting resinl, multiple interior raised lines are distributed with uniform intervals to anti-corrosion outer casing inner wall vertically, upper locking ring is cased with the outer wall of anti-corrosion overcoat minor diameter one end, lower reducing retaining ring is cased with the outer wall of major diameter one end.This quick-mounting formula casing tube anti-corrosive apparatus provided by the utility model and installation application, carry out Fast Installation by installation site setting and reducing ring and gluing mode and fix, enough bonding forces ensure that fixation of the casing tube anti-corrosive casing bit in sleeve outer wall with coupling mechanism force, casing tube anti-corrosive casing bit inner cylinder has raised line, it ensure that the contact surface of equipotential switched environment, solve the problems, such as that pouring molten modeling technique setting of casing anti-corrosive tools takes great amount of cost simultaneously, have shorten to less than 1 minute within 8 hours original anti-corrosion workpiece process, greatly reduce construction cost.
Description
Technical field
The utility model belongs to field of oil drilling, and in particular to a kind of quick-mounting formula casing tube anti-corrosive apparatus.
Background technology
The casing tube anti-corrosive technology of sacrificial anode and protective cathode, has been widely used in oil field.Prior art is conventional
Situation is to carry out plating modeling to each sleeve pipe to pour sacrificial anode and protective cathode material.Each set of process of this technology
Pipe will individually be processed and expend about 8 man-hours.Cost is high, complex process, due to being had necessarily using molten build of high temperature
Construction risk.
Utility model content
The purpose of this utility model be overcome existing casing tube anti-corrosive technology to exist cost is high, preservative efficiency is low and anticorrosion process
The problem of complicated.
Therefore, the utility model provides a kind of quick-mounting formula casing tube anti-corrosive apparatus, include the anti-corrosion overcoat of truncated cone-shaped, anti-corrosion
The upper surface and lower surface of overcoat are coated respectively with heat-resisting conducting resinl, and uniform intervals are distributed with multiple anti-corrosion outer casing inner wall vertically
Raised line, upper locking ring is cased with the outer wall of anti-corrosion overcoat minor diameter one end, lower reducing retaining ring is cased with the outer wall of major diameter one end.
The anti-corrosion overcoat exceptionally covers left and right splicing by two chip architecture identicals and formed, and it is arc exceptionally to cover cross section, point
The thickness of overcoat gradually increases from top to bottom, and the top thickness is 0, and the inner cylinder of spliced anti-corrosion overcoat is cylinder.
The side fitting that the two panels exceptionally covers is bonded, and gap, base where gap are left between the side of other side
Between angle be more than 0 °, and lower reducing retaining ring at gap be provided be used for lock the reducing instrument that two panels exceptionally covers, reducing
The lower reducing retaining ring of instrument clamping.
The reducing instrument is the wedge of arc.
The anti-corrosion outer casing outer wall is provided with short the radius annular groove and major radius annular groove arranged up and down, upper locking
Ring is located in short radius annular groove, and lower reducing retaining ring is located in major radius annular groove.
A kind of installation application of quick-mounting formula casing tube anti-corrosive apparatus, comprises the following steps:
Step 1, before detaining on sleeve pipe, upper locking ring and lower reducing retaining ring are enclosed on sleeve outer wall;
Step 2, sleeve pipe link closely, and after linking closely, two panels exceptionally casing pressure are close into clothes at casing coupling, makes interior raised line and set
Pipe outer wall fitting contact, heat-resisting conducting resinl are Nian Jie with casing coupling anchor ring;
Step 3, upper locking ring is inserted in downwards into the short radius annular groove put outside anti-corrosion along casing axis direction,
Lower reducing retaining ring is inserted in downwards into the major radius annular groove put outside anti-corrosion along casing axis direction;
Step 4, reducing instrument is inserted at lower reducing retaining ring and anti-corrosion overcoat gap, along lower reducing retaining ring section
Circular direction rotate counterclockwise, lower reducing retaining ring is deformed away from casing wall, exceptionally covered so as to lock two panels;
Step 5, high-strength high temperature-resistant binding agent is squeezed into reducing instrument, lower reducing retaining ring, sleeve outer wall contact position,
The relative position of locked and fixed reducing instrument and sleeve pipe and the tight lock ring of reducing;
Step 6, one~step 5 of repeat step, make anti-corrosion overcoat is installed at each casing coupling.
The lower reducing retaining ring is more than upper locking ring diameter.
The beneficial effects of the utility model:This quick-mounting formula casing tube anti-corrosive apparatus provided by the utility model and installation should
With, carry out Fast Installation by installation site setting and reducing ring and gluing mode and fix, enough bonding forces and locking
Power ensure that fixation of the casing tube anti-corrosive casing bit in sleeve outer wall, and casing tube anti-corrosive casing bit inner cylinder has raised line, ensure that
The contact surface of current potential switched environment, while solve the problems, such as that pouring molten modeling technique setting of casing anti-corrosive tools takes great amount of cost,
Have shorten to less than 1 minute within 8 hours original anti-corrosion workpiece process, greatly reduce construction cost.
The utility model is described in further details below with reference to accompanying drawing.
Brief description of the drawings
Fig. 1 is the structural representation exceptionally covered in quick-mounting formula casing tube anti-corrosive apparatus.
Fig. 2 is the structural representation of anti-corrosion overcoat.
Fig. 3 is the structural representation of reducing instrument;
Description of reference numerals:1st, anti-corrosion overcoat;2nd, interior raised line;3rd, upper locking ring;4th, lower reducing retaining ring;5th, reducing work
Tool;6th, heat-resisting conducting resinl;7th, exceptionally cover.
Embodiment
Embodiment 1:
A kind of quick-mounting formula casing tube anti-corrosive apparatus is present embodiments provided, includes the anti-corrosion overcoat 1 of truncated cone-shaped, anti-corrosion overcoat 1
Upper surface and lower surface be coated respectively with heat-resisting conducting resinl 6, multiple convexes are distributed with uniform intervals to the inwall of anti-corrosion overcoat 1 vertically
Bar 2, upper locking ring 3 is cased with the minor diameter one end outer wall of anti-corrosion overcoat 1, lower reducing retaining ring 4 is cased with the outer wall of major diameter one end.
The course of work of quick-mounting formula casing tube anti-corrosive apparatus is as follows:
Before being detained on sleeve pipe, upper locking ring 3 and lower reducing retaining ring 4 are inserted on sleeve pipe, after sleeve pipe links closely, painting is wiped resistance to
The two panels anti-corrosion overcoat 1 of thermal conducting glue 6 compresses docile in sleeve outer wall and box cupling junction, makes interior raised line 2 and sleeve outer wall patch
Splice grafting touches;Anti-corrosion overcoat 1 is Nian Jie with casing coupling anchor ring below, and the inwall of anti-corrosion overcoat 1 is Nian Jie with sleeve outer wall;In anti-corrosion overcoat
Upper locking ring 3 is inserted in downwards along casing axis direction on 1, and lower reducing retaining ring 4 is inserted in downwards along casing axis direction.
The interior raised line 2 of casing bit inner cylinder, ensure that the contact surface of equipotential switched environment;Heat-resisting conducting resinl 6, upper locking
Ring 3 and lower reducing retaining ring 4, it ensure that casing tube anti-corrosive casing bit in sleeve outer wall by enough bonding forces and coupling mechanism force
It is fixed.
Embodiment 2:
On the basis of embodiment 1, as depicted in figs. 1 and 2, the anti-corrosion overcoat 1 exceptionally covers 7 by two chip architecture identicals
Left and right splicing composition, it is arc exceptionally to cover cross section, and the thickness of exceptionally set 7 gradually increases from top to bottom, and the top thickness is 0,
And the inner cylinder of spliced anti-corrosion overcoat 1 is cylinder.
For convenience and installation speed being improved, anti-corrosion overcoat 1 exceptionally covers 7 or so splicings by two chip architecture identicals and formed,
When in use, two panels is exceptionally covered to 7 compression dociles in sleeve outer wall and box cupling junction;Two panels exceptionally covers the arc of 7 end face arcs
Degree is less than 175 °.
Embodiment 3:
On the basis of embodiment 2, the two panels exceptionally covers 7 side fitting bonding, is stayed between the side of other side
There is a gap, the angle between base where gap is more than 10 °, and lower reducing retaining ring 4 is provided with gap and is used to lock two panels
The exceptionally reducing instrument 5 of set 7, the lower reducing retaining ring 4 of the clamping of reducing instrument 5.
It should be noted that two panels exceptionally cover 7 and between gap composition it is circular, during application, two are less than 175 ° exceptionally
Cover the unilateral fitting of 7 vertical sides to bond, about 10 ° of vertical lap seams of another vertical side edge are used to install reducing instrument 5;Along casing axis direction
The short radius annular groove that upper locking ring 3 enters on corresponding anti-corrosion overcoat 1 is inserted in downwards, is inserted in down downwards along casing axis direction
Major radius annular groove corresponding to the entrance of reducing retaining ring 4 on anti-corrosion overcoat 1;Stitched in lower reducing retaining ring 4 with anti-corrosion overcoat 1
By Fig. 1 insertion reducings instrument 5 at gap;The lower reducing retaining ring 4 of 5 narrow side of reducing instrument press-in and shell clearance, tighten along lower reducing
The section circular direction rotate counterclockwise of ring 4, makes lower reducing retaining ring 4 deform away from casing wall, so as to lock two panels semicircle taper
Anti-corrosive cover 1.
Embodiment 4:
On the basis of embodiment 3, as shown in figure 3, the reducing instrument 5 is the wedge of arc.The one end of reducing instrument 5
For narrow side, the other end is broadside, has certain radian between narrow side and broadside, convenient insertion is exceptionally in the gap of set 7.
Embodiment 5:
On the basis of embodiment 1 or embodiment 2, in order to strengthen upper locking ring 3 and lower reducing retaining ring 4 to anti-corrosion overcoat
1 binding force, the outer wall of anti-corrosion overcoat 1 are provided with short the radius annular groove and major radius annular groove arranged up and down, on
Retaining ring 3 is located in short radius annular groove, and lower reducing retaining ring 4 is located in major radius annular groove.
Embodiment 6:
A kind of installation application of quick-mounting formula casing tube anti-corrosive apparatus is present embodiments provided, is comprised the following steps:
Step 1, before detaining on sleeve pipe, upper locking ring 3 and lower reducing retaining ring 4 are enclosed on sleeve outer wall;
Step 2, sleeve pipe are linked closely, and after linking closely, two panels is exceptionally covered to 7 compression dociles at casing coupling, make interior raised line 2 with
Sleeve outer wall fitting contact, heat-resisting conducting resinl 6 are Nian Jie with casing coupling anchor ring;
Step 3, it is recessed into the short radius annular on anti-corrosion overcoat 1 that upper locking ring 3 is inserted in downwards along casing axis direction
Groove, lower reducing retaining ring 4 is inserted in downwards into the major radius annular groove on anti-corrosion overcoat 1 along casing axis direction;
Step 4, reducing instrument 5 is inserted at lower reducing retaining ring 4 and the gap of anti-corrosion overcoat 1, along lower reducing retaining ring 4
Section circular direction rotate counterclockwise, makes lower reducing retaining ring 4 deform away from casing wall, exceptionally covers 7 so as to lock two panels;
Step 5, high-strength high temperature-resistant bonding is squeezed into reducing instrument 5, lower reducing retaining ring 4, sleeve outer wall contact position
Agent, the relative position of locked and fixed reducing instrument 5 and sleeve pipe and the tight lock ring 4 of reducing;
Step 6, one~step 5 of repeat step, make anti-corrosion overcoat 1 is installed at each casing coupling.
Conventional casing tube anti-corrosive apparatus sleeve outer wall it is molten pour admittedly by way of be processed, it is necessary to multiple process
A large amount of man-hours.The installation application process that the present embodiment provides changes the casing tube anti-corrosive mode of conventional molten plating mode, it is only necessary to
Fast Installation is carried out at the construction field (site).Carry out Fast Installation by installation site setting and reducing ring and gluing mode and consolidate
Fixed, enough bonding forces ensure that fixation of the casing tube anti-corrosive casing bit in sleeve outer wall, casing tube anti-corrosive sleeve pipe dress with coupling mechanism force
Putting inner cylinder has raised line, ensure that the contact surface of equipotential switched environment, while solves such device and occur in common process
Time-consuming work consuming cost it is high the problem of.
Embodiment 7:
On the basis of embodiment 6, as shown in figure 1, because the thickness for exceptionally covering 7 gradually increases from top to bottom, therefore under
Reducing retaining ring 4 is more than the diameter of upper locking ring 3.The different reducing retaining ring of two diameters makes lock set outside anti-corrosion by reducing mode
Extremely on casing wall.
Exemplified as above is only for example, not forming to the scope of protection of the utility model to of the present utility model
Limitation, it is every to be belonged to the same or analogous design of the utility model within the scope of protection of the utility model.The present embodiment
The part and the well-known components and common structure or conventional means of the structure category industry not described in detail, are not chatted one by one here
State.
Claims (6)
- A kind of 1. quick-mounting formula casing tube anti-corrosive apparatus, it is characterised in that:Anti-corrosion overcoat including truncated cone-shaped(1), anti-corrosion overcoat(1)'s Upper surface and lower surface are coated respectively with heat-resisting conducting resinl(6), anti-corrosion overcoat(1)Uniform intervals are distributed with multiple inwall vertically Raised line(2), anti-corrosion overcoat(1)Upper locking ring is cased with the outer wall of minor diameter one end(3), lower reducing is cased with the outer wall of major diameter one end Retaining ring(4).
- 2. quick-mounting formula casing tube anti-corrosive apparatus as claimed in claim 1, it is characterised in that:The anti-corrosion overcoat(1)By two panels knot Structure identical exceptionally covers(7)Left and right splicing composition, it is arc exceptionally to cover cross section, is exceptionally covered(7)Thickness it is gradual from top to bottom Increase, the top thickness is 0, and spliced anti-corrosion overcoat(1)Inner cylinder for cylinder.
- 3. quick-mounting formula casing tube anti-corrosive apparatus as claimed in claim 2, it is characterised in that:The two panels exceptionally covers(7)Side Fitting bonding, leaves gap between the side of other side, and the angle between base where gap is more than 10 °, and lower reducing is locked Tight ring(4)It is provided with gap and is exceptionally covered for locking two panels(7)Reducing instrument(5), reducing instrument(5)The lower reducing lock of clamping Tight ring(4).
- 4. quick-mounting formula casing tube anti-corrosive apparatus as claimed in claim 3, it is characterised in that:The reducing instrument(5)For arc Wedge.
- 5. quick-mounting formula casing tube anti-corrosive apparatus as claimed in claim 1 or 2, it is characterised in that:The anti-corrosion overcoat(1)On outer wall Provided with short the radius annular groove and major radius annular groove arranged up and down, upper locking ring(3)In short radius annular groove, Lower reducing retaining ring(4)In major radius annular groove.
- 6. the installation application of quick-mounting formula casing tube anti-corrosive apparatus as claimed in claim 1, it is characterised in that:The lower reducing locking Ring(4)More than upper locking ring(3)Diameter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721113108.7U CN207176079U (en) | 2017-09-01 | 2017-09-01 | A kind of quick-mounting formula casing tube anti-corrosive apparatus |
Applications Claiming Priority (1)
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CN201721113108.7U CN207176079U (en) | 2017-09-01 | 2017-09-01 | A kind of quick-mounting formula casing tube anti-corrosive apparatus |
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CN207176079U true CN207176079U (en) | 2018-04-03 |
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CN201721113108.7U Expired - Fee Related CN207176079U (en) | 2017-09-01 | 2017-09-01 | A kind of quick-mounting formula casing tube anti-corrosive apparatus |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107475725A (en) * | 2017-09-01 | 2017-12-15 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | A kind of quick-mounting formula casing tube anti-corrosive apparatus and installation application |
-
2017
- 2017-09-01 CN CN201721113108.7U patent/CN207176079U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107475725A (en) * | 2017-09-01 | 2017-12-15 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | A kind of quick-mounting formula casing tube anti-corrosive apparatus and installation application |
CN107475725B (en) * | 2017-09-01 | 2023-05-02 | 中国石油天然气集团有限公司 | Quick-mounting type casing pipe anti-corrosion device and mounting application |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180403 Termination date: 20200901 |
|
CF01 | Termination of patent right due to non-payment of annual fee |