CN104989384B - Spring-piece type collar locator - Google Patents
Spring-piece type collar locator Download PDFInfo
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- CN104989384B CN104989384B CN201510165347.6A CN201510165347A CN104989384B CN 104989384 B CN104989384 B CN 104989384B CN 201510165347 A CN201510165347 A CN 201510165347A CN 104989384 B CN104989384 B CN 104989384B
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- box cupling
- flat spring
- mounting groove
- straight flat
- spring piece
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Abstract
The present invention relates to collar locator technical fields, are a kind of spring-piece type collar locators；It includes box cupling body, straight flat spring piece, locating plate and measures convex block；The shrapnel mounting groove of at least two longitudinal directions is circumferentially intervally distributed in the outside of box cupling body, the straight flat spring piece for being parallel to box cupling body is fixedly mounted in shrapnel mounting groove, shrapnel is respectively equipped on the box cupling body of straight flat spring piece inside middle portion and shrinks groove；Locating plate is installed in the middle part outer end of straight flat spring piece, measure convex block is installed on locating plate.Reasonable and compact in structure of the present invention, it is easy to use；Straight flat spring piece can be inwardly compressed when measuring convex block and pass through sleeve bottom port, and straight flat spring piece is compared to the elastic resistance bigger of bending spring leaf, and upper lifting force data variation becomes apparent from, and sensitivity higher is easily controllable；The bending stiffness of straight flat spring piece in itself is good simultaneously, is not susceptible to plastotype deformation, improves the service life of the present invention.
Description
Technical field
The present invention relates to collar locator technical fields, are a kind of spring-piece type collar locators.
Background technology
In water injection well production process, in order to accurate judgement down-hole casing box cupling position, it is necessary to be determined using a kind of box cupling
Position device, including locator body, spring leaf and locating plate；Pass through the spring leaf circumference of energy radial contraction in locator body exterior
Locating plate is installed, the fin that outer diameter is more than casing is provided on the outer surface of locating plate；In use, box cupling is positioned first
Device is placed in shaft bottom, above carries the locator, and when the fin on locating plate surface runs into casing shoe, upper lifting force data change,
Determine the installation site that the position is casing coupling；Since the spring leaf used is bending spring leaf, when fin runs into casing
During bottom, upper lifting force data variation amount is smaller, and sensitivity is poor, is not easy to accurately control；It needs to position repeatedly and just can determine that, it is time-consuming
Arduously；Bending spring leaf after stretching repeatedly simultaneously, and easily fatigue is impaired, and spring leaf camber is caused to reduce and can not be formed effectively
Elastic reaction, influence the normal use of collar locator, service life is low.
The content of the invention
The present invention provides a kind of spring-piece type collar locators, overcome the deficiency of the above-mentioned prior art, can effectively solve
The collar locator of bending spring leaf is certainly used, sensitivity is poor, is not easy to accurately control；And spring leaf camber reduce and can not
Effective elastic reaction is formed, influences the normal use of collar locator, the problem of service life is low.
The technical scheme is that realized by following measures：A kind of spring-piece type collar locator, including box cupling
Body, straight flat spring piece, locating plate and measure convex block；At least two longitudinal directions are circumferentially intervally distributed in the outside of box cupling body
Shrapnel mounting groove, be fixedly mounted in shrapnel mounting groove and be parallel to the straight flat spring piece of box cupling body, in straight flat spring piece
Shrapnel is respectively equipped on the box cupling body of inside middle portion and shrinks groove；Positioning is installed in the middle part outer end of straight flat spring piece
Piece is installed with measure convex block on locating plate；The upper and lower ends for measuring convex block lead the oblique oblique cone into for transition respectively
Face.
Here is the further optimization and/or improvements to foregoing invention technical solution：
Above-mentioned shrapnel mounting groove can be that Open Side Down and dovetail-shape slot, and being equipped with section in shrapnel mounting groove is in
The straight flat spring piece of swallow-tail form is installed on the box cupling body on the downside of shrapnel mounting groove and can axially push up straight flat spring piece
The elastic card locking mechanism of tight /V.
Above-mentioned elastic card locking mechanism includes pressure cap, locking back of the body cap, limit opening ring and locking nail；In the lower part of box cupling body
Pressure cap is installed, is fixed with convex platform corresponding with shrapnel mounting groove in the upper end circumference of pressure cap, convex platform is located at shrapnel respectively
It installs in the downside of straight slot and is against the lower end of straight flat spring piece；Box cupling outer body in pressure cap lower end is equipped with locking back of the body cap,
Lock nut limiting slot is equipped in the top of locking back of the body cap, box cupling body corresponding with lock nut limiting slot is equipped with annular groove, in lock nut
Limit opening ring in limiting slot and annular groove is installed, one is fixedly connected on by locking nail between limit opening ring and locking back of the body cap
It rises.
Fixture block mounting groove is equipped on the outside of the middle part of above-mentioned locating plate, the inner end for measuring convex block is fixed in fixture block mounting groove；
Counter sink wide outside and narrow inside is respectively equipped on the locating plate of fixture block mounting groove the upper side and lower side, it is corresponding with the narrower bore of counter sink
Threaded hole is respectively equipped in the middle part of straight flat spring piece, is threadably secured in counter sink and threaded hole and is equipped with and locating plate can be consolidated
The screw being scheduled in the middle part of straight flat spring piece；The nut of screw is located in the wide aperture of counter sink.
The upper end of above-mentioned box cupling body can be equipped with conical internal thread wide at the top and narrow at the bottom；Under being equipped in the lower end of box cupling body
Narrow wide conical external screw thread.
Longitudinally through scalloped recess can be respectively equipped on box cupling body between above-mentioned adjacent shrapnel mounting groove.
Reasonable and compact in structure of the present invention, it is easy to use；It can be inwardly compressed when measure convex block passes through sleeve bottom port
Straight flat spring piece, compared to the elastic resistance bigger of bending spring leaf, upper lifting force data variation becomes apparent from straight flat spring piece, sensitive
Higher is spent, it is easily controllable；The bending stiffness of straight flat spring piece in itself is good simultaneously, is not susceptible to plastotype deformation, improves the present invention's
Service life.
Description of the drawings
Attached drawing 1 is the main view half section structure diagram of preferred embodiment.
Attached drawing 2 for attached drawing 1 A-A to schematic cross-sectional view.
Coding in attached drawing is respectively：1 is box cupling body, and 2 be straight flat spring piece, and 3 shrink groove for shrapnel, and 4 be positioning
Piece, 5 is measure convex block, and 6 be pressure cap, and 7 be convex platform, and 8 is lock back of the body cap, and 9 be /V split ring, and 10 be locking nail, and 11 be spiral shell
Nail.
Specific embodiment
The present invention from following embodiments limitation, can technique according to the invention scheme and actual conditions determine specifically
Embodiment.
In the present invention, for ease of description, the description of the relative position relation of each component is according to Figure of description 1
Butut mode be described, such as：The position relationship of upper and lower, left and right etc. is the Butut direction according to Figure of description 1
Come what is determined.
With reference to embodiment and attached drawing, the invention will be further described：
As shown in Figure 1, which includes box cupling body 1, straight flat spring piece 2, locating plate 4 and measures
Convex block 5；The shrapnel mounting groove of at least two longitudinal directions is circumferentially intervally distributed in the outside of box cupling body 1, in shrapnel mounting groove
It is interior that the straight flat spring piece 2 for being parallel to box cupling body 1 is fixedly mounted, divide on the box cupling body 1 of straight 2 inside middle portion of flat spring piece
It She You not shrapnel contraction groove 3；Locating plate 4 is installed in the middle part outer end of straight flat spring piece 2, it is fixed on locating plate 4
It is equipped with and measures convex block 5；The upper and lower ends for measuring convex block 5 lead the oblique scalene cone into for transition respectively.
When detecting the position of down-hole casing box cupling, box cupling body 1 is above carried by coiled tubing, passes through set when measuring convex block 5
During bottom of the tube port, since casing inner diameter limits, straight flat spring piece 2 can be inwardly compressed by measuring convex block 5, due to straight flat spring piece 2
Compared to the elastic resistance bigger of bending spring leaf after being pressed, upper lifting force data is made to change and are become apparent from, sensitivity higher, more
It can accurately determine the installation site of casing coupling, it is easily controllable；Straight flat spring 2 bending stiffnesses of of piece itself are good simultaneously, no
Plastotype deformation easily occurs, improves the service life of the present invention.
Above-mentioned spring-piece type collar locator can be made further optimization and/or improvements according to actual needs：
As shown in Figure 1, shrapnel mounting groove is equipped with for Open Side Down and dovetail-shape slot in shrapnel mounting groove
The dovetail-shape straight flat spring piece 2 in section, being installed on the box cupling body 1 on the downside of shrapnel mounting groove can be by straight flat spring
The axial elastic card locking mechanism for holding out against /V of piece 2.During dismounting, straight flat spring piece 2 need to only be opened along shrapnel mounting groove from its lower end
It is inserted upwardly at mouthful or extracts out downwards, it is easy to use.
As shown in Figure 1, elastic card locking mechanism includes pressure cap 6, locking back of the body cap 8, limit opening ring 9 and locking nail 10；
The lower part of box cupling body 1 is equipped with pressure cap 6, and convex platform 7 corresponding with shrapnel mounting groove is fixed in the upper end circumference of pressure cap 6,
Convex platform 7 is located in the downside of shrapnel installation straight slot and is against the lower end of straight flat spring piece 2 respectively；Box cupling in 6 lower end of pressure cap
1 outside of body is equipped with locking back of the body cap 8, and lock nut limiting slot is equipped in the top of locking back of the body cap 8, corresponding with lock nut limiting slot to connect
It binds round body 1 and is equipped with annular groove, limit opening ring 9, limit opening ring 9 and locking back of the body cap are installed in lock nut limiting slot and annular groove
It is fixed together between 8 by locking nail 10.Other can also be used in elastic card locking mechanism can be axial by straight flat spring piece 2
Hold out against the structure of /V.
As shown in Figure 1, fixture block mounting groove is equipped on the outside of the middle part of locating plate 4, the inner end for measuring convex block 5 is fixed on card
In block mounting groove；Counter sink wide outside and narrow inside is respectively equipped on the locating plate 4 of fixture block mounting groove the upper side and lower side, with counter sink
Corresponding 2 middle part of straight flat spring piece of narrower bore be respectively equipped with threaded hole, installation is threadably secured in counter sink and threaded hole
Locating plate 4 can be fixed on the screw 11 at straight 2 middle part of flat spring piece by having；The nut of screw 11 is located in the wide aperture of counter sink.It is logical
It crosses screw 11 and locating plate 4 is installed, it is convenient for disassembly and assembly；Counter sink on locating plate 4 can immerse oneself in 11 nut of screw after installation
In counter sink, avoid influencing the detection and localization for measuring convex block 5 due to 11 nut of screw is prominent.
As shown in Figure 1, it is equipped with conical internal thread wide at the top and narrow at the bottom in the upper end of box cupling body 1；In box cupling body 1
Lower end is equipped with down narrow wide conical external screw thread.It can be so threadedly coupled convenient for box cupling body 1 with other devices.
As shown in Figure 2, as needed, longitudinal direction is respectively equipped on the box cupling body 1 between adjacent shrapnel mounting groove to pass through
Logical scalloped recess.
More than technical characteristic constitutes highly preferred embodiment of the present invention, is imitated with stronger adaptability and optimal implementation
Fruit can increase and decrease non-essential technical characteristic, to meet the needs of different situations according to actual needs.
Claims (5)
1. a kind of spring-piece type collar locator, it is characterised in that including box cupling body, straight flat spring piece, locating plate and measure convex
Block；The shrapnel mounting groove of at least two longitudinal directions is circumferentially intervally distributed in the outside of box cupling body, it is solid in shrapnel mounting groove
Dingan County is equipped with the straight flat spring piece parallel to box cupling body, and bullet is respectively equipped on the box cupling body of straight flat spring piece inside middle portion
Piece shrinks groove；Locating plate is installed in the middle part outer end of straight flat spring piece, it is convex that measure is installed on locating plate
Block；The upper and lower ends for measuring convex block lead the oblique scalene cone into for transition respectively；Wherein：Shrapnel mounting groove for Open Side Down simultaneously
Dovetail-shape slot is equipped with the dovetail-shape straight flat spring piece in section, on the downside of shrapnel mounting groove in shrapnel mounting groove
Box cupling body on be installed with the elastic card locking mechanism that straight flat spring piece can axially be held out against to /V；Elastic card locking mechanism bag
Include pressure cap, locking back of the body cap, limit opening ring and locking nail；Pressure cap is installed in the lower part of box cupling body, is justified in the upper end of pressure cap
It is fixed with convex platform corresponding with shrapnel mounting groove week, convex platform is located in the downside of shrapnel installation straight slot and is against straight piece respectively
The lower end of spring leaf；Box cupling outer body in pressure cap lower end is equipped with locking back of the body cap, and lock nut is equipped in the top of locking back of the body cap
Limiting slot, box cupling body corresponding with lock nut limiting slot are equipped with annular groove, and being equipped with /V in lock nut limiting slot and annular groove opens
Choma is fixed together between limit opening ring and locking back of the body cap by locking nail.
2. spring-piece type collar locator according to claim 1, it is characterised in that fixture block is equipped on the outside of the middle part of locating plate
Mounting groove, the inner end for measuring convex block are fixed in fixture block mounting groove；On the locating plate of fixture block mounting groove the upper side and lower side respectively
Equipped with counter sink wide outside and narrow inside, threaded hole is respectively equipped in the middle part of straight flat spring piece corresponding with the narrower bore of counter sink, in countersunk head
The screw for being equipped with and locating plate being fixed in the middle part of straight flat spring piece is threadably secured in hole and threaded hole；The nut of screw
In the wide aperture of counter sink.
3. spring-piece type collar locator according to claim 1 or 2, it is characterised in that the upper end of box cupling body is equipped with upper width
Under narrow conical internal thread；Under being equipped in the lower end of box cupling body it is narrow wide conical external screw thread.
4. spring-piece type collar locator according to claim 1 or 2, it is characterised in that connecing between adjacent shrapnel mounting groove
Longitudinally through scalloped recess is respectively equipped on hoop body.
5. spring-piece type collar locator according to claim 3, it is characterised in that the box cupling between adjacent shrapnel mounting groove
Longitudinally through scalloped recess is respectively equipped on body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510165347.6A CN104989384B (en) | 2015-04-09 | 2015-04-09 | Spring-piece type collar locator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510165347.6A CN104989384B (en) | 2015-04-09 | 2015-04-09 | Spring-piece type collar locator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104989384A CN104989384A (en) | 2015-10-21 |
| CN104989384B true CN104989384B (en) | 2018-06-05 |
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ID=54301253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510165347.6A Active CN104989384B (en) | 2015-04-09 | 2015-04-09 | Spring-piece type collar locator |
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| Country | Link |
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| CN (1) | CN104989384B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120109A (en) * | 2017-06-05 | 2017-09-01 | 中国石油天然气股份有限公司 | A kind of split-type sands-proof check casing collar locator (CCL) |
| CN108222923A (en) * | 2017-12-19 | 2018-06-29 | 中国石油天然气集团公司 | Electrically conduct device and application method |
| CN108590617A (en) * | 2018-06-05 | 2018-09-28 | 杰瑞能源服务有限公司 | Separate stratum fracfturing tool and its construction technology |
| CN109252822A (en) * | 2018-11-12 | 2019-01-22 | 中国石油集团渤海钻探工程有限公司 | Coiled tubing casing collar locator (CCL) |
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| US3843923A (en) * | 1973-07-05 | 1974-10-22 | Stewart & Stevenson Inc Jim | Well pipe joint locator using a ring magnet and two sets of hall detectors surrounding the pipe |
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| CN202755930U (en) * | 2012-05-29 | 2013-02-27 | 克拉玛依塔林石油工程技术服务有限责任公司 | Drift diameter type location device |
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| CN204571975U (en) * | 2015-04-09 | 2015-08-19 | 中国石油集团西部钻探工程有限公司 | Spring-piece type collar locator |
Family Cites Families (1)
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|---|---|---|---|---|
| WO2010006357A1 (en) * | 2008-07-15 | 2010-01-21 | Kwik-Zip Pty Ltd | Borehole casing centraliser |
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Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3843923A (en) * | 1973-07-05 | 1974-10-22 | Stewart & Stevenson Inc Jim | Well pipe joint locator using a ring magnet and two sets of hall detectors surrounding the pipe |
| CN2522611Y (en) * | 2001-10-29 | 2002-11-27 | 白贵方 | Drillable oil-well casing centering guide |
| CN2550503Y (en) * | 2002-07-17 | 2003-05-14 | 窦锡陆 | Mechanical connection hoop |
| CN201292792Y (en) * | 2008-11-24 | 2009-08-19 | 中国石油集团长城钻探工程有限公司 | Inside tube column positioning tools |
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| CN202531161U (en) * | 2012-03-22 | 2012-11-14 | 中国石油天然气股份有限公司 | Locating device for layered water injection with small clamping distance |
| CN202755930U (en) * | 2012-05-29 | 2013-02-27 | 克拉玛依塔林石油工程技术服务有限责任公司 | Drift diameter type location device |
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| CN104989384A (en) | 2015-10-21 |
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Effective date of registration: 20201106 Address after: 100120 Beijing Xicheng District six laying Kang Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Xibu Drilling Engineering Co.,Ltd. Address before: 830026 science and technology management division, West drilling and Drilling Engineering Research Institute, No. 326, South Road, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region, China Patentee before: CNPC Xibu Drilling Engineering Co.,Ltd. |