CN104989311A - Sliding rail type fishing device - Google Patents
Sliding rail type fishing device Download PDFInfo
- Publication number
- CN104989311A CN104989311A CN201510414845.XA CN201510414845A CN104989311A CN 104989311 A CN104989311 A CN 104989311A CN 201510414845 A CN201510414845 A CN 201510414845A CN 104989311 A CN104989311 A CN 104989311A
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- CN
- China
- Prior art keywords
- slide rail
- claw
- spring
- fishing device
- type fishing
- 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
- 210000000078 claw Anatomy 0.000 claims description 49
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 241001633942 Dais Species 0.000 claims description 14
- 239000011324 bead Substances 0.000 claims description 7
- 238000009827 uniform distribution Methods 0.000 claims description 4
- 239000003208 petroleum Substances 0.000 abstract 1
- 230000006378 damage Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
The invention relates to the technical field of petroleum fishing, in particular to a sliding rail type fishing device. The device comprises an upper connector, a cylinder, a guiding shoe, sliding rail clamping jaws, a gasket and a spring, wherein the upper connector, the cylinder and the guiding shoe are fixedly installed together from top to bottom in sequence, a limiting annular table is arranged inside the guiding shoe, the lower end of the cylinder is located on the limiting annular table, and at least two oblique sliding rails are distributed on the circumference of the inner wall of the cylinder in a spaced mode. The device is reasonable and compact in structure and convenient to use. A coiled tubing pushes the sliding rail clamping jaws to move upwards along the oblique sliding rails, the spring is compressed, the sliding rail clamping jaws are opened in the radial direction, the coiled tubing enters the sliding rail clamping jaws to lift a fishing tubular column upwards, the sliding rail clamping jaws slide down along the sliding rails under the elastic force of the spring at the moment, the sliding rail clamping jaws contract in the radial direction to clamp the coiled tubing, the fishing tubular column is lifted upwards continuously, and then the coiled tubing is fished out firmly without slippage. The coiled tubing is not damaged, operation is convenient, time and labor are saved, and then working efficiency is improved.
Description
Technical field
the present invention relates to oil fishing operation field, is a kind of slide rail type fishing device.
Background technology
in oil exploitation, many factors, oil well card well situation increases year by year, causes coiled tubing salvage amount to increase.But coiled tubing is sometimes subject to shape restriction, be difficult to realize salvaging, and instrument that fishing tool uses traditional at present all has limitation, easy slippage in clamping, insecure, causes the damage to coiled tubing, workload is increased, affect operating efficiency.
Summary of the invention
the invention provides a kind of slide rail type fishing device, overcome the deficiency of above-mentioned prior art, it effectively can solve clamping coiled tubing easy slippage, insecure and cause coiled tubing to damage, reduce the problem of operating efficiency.
technical scheme of the present invention is realized by following measures: a kind of slide rail type fishing device, comprises top connection, cylindrical shell, guide shoe, slide rail claw, pad and spring, top connection, cylindrical shell, guide shoe is fixedly installed togather from top to bottom successively, guide shoe inside is provided with limited ring dais, cylindrical shell lower end seat is on limited ring dais, cylinder inboard wall is circumferentially intervally distributed with at least two slide rails with gradient, the distance of slide rail upper end and axis is greater than the distance of slide rail lower end and axis, the lower end of slide rail is provided with Corresponding matching slide rail and the slide rail claw that can slide up and down along slide rail, the distance of slide rail claw inwall and axis is less than limited ring dais inside radius, slide rail claw top from bottom to top in turn seat have spring and pad, pad diameter is greater than top connection internal diameter.
here is the further optimization and/or improvements to foregoing invention technical scheme:
above-mentioned slide rail claw can in " convex " font mutually mated with slide rail, slide rail claw outer wall is provided with blind hole, blind hole is equipped with Compress Spring and steel ball from the inside to the outside successively, and slide rail outer wall is provided with the steel bead groove of Corresponding matching steel ball, and steel ball part is protruded blind hole and is positioned at steel bead groove.
above-mentioned spring can be up big and down small volute spring.
above-mentioned spring inner can be provided with guide pillar, and guide pillar diameter is less than spring minimum diameter, and guide pillar upper surface and pad lower surface are fixed together.
above-mentioned slide rail claw inwall can be provided with the claw tooth of continuous print shape triangular in shape.
above-mentioned slide rail and corresponding slide rail claw quantity thereof all can be six, along cylindrical shell circumference uniform distribution.
above-mentioned limited ring dais lower end can be provided with the up-small and down-big guiding conical surface.
reasonable and compact in structure of the present invention, easy to use, coiled tubing promotes slide rail claw and moves along having on the slide rail of gradient, spring-compressed, slide rail claw radially opens, and it is inner that coiled tubing enters slide rail claw, upwards bailing fishing string, now by spring force effect, slide rail claw glides along slide rail, and slide rail claw radially shrinks, stuck coiled tubing, continue upwards to carry fishing string, can without slippage, firmly coiled tubing is salvaged out, not only coiled tubing be can't harm, and operating process be easy, time saving and energy saving, thus increase work efficiency.
Accompanying drawing explanation
accompanying drawing 1 is that the master of preferred embodiment looks section structure schematic diagram.
accompanying drawing 2 be in accompanying drawing 1 A-A to section rail structure schematic diagram.
accompanying drawing 3 is the slide rail claw plan structure schematic diagram in accompanying drawing 1.
accompanying drawing 4 is the slide rail claw broken section structural representation in accompanying drawing 1
coding in accompanying drawing is respectively: 1 is top connection, and 2 is cylindrical shell, and 3 is limited ring dais, and 4 is slide rail, and 5 is slide rail claw, and 6 is spring, and 7 is pad, and 8 is Compress Spring, and 9 is steel ball, and 10 is steel bead groove, and 11 is guide pillar, and 12 for guiding the conical surface.
Detailed description of the invention
the present invention by the restriction of following embodiment, can not determine concrete embodiment according to technical scheme of the present invention and actual conditions.
in the present invention, for convenience of description, the description of the relative position relation of each parts is all be described according to the Butut mode of Figure of description 1, as: the position relationship of upper and lower, left and right etc. determines according to the Butut direction of Figure of description.
below in conjunction with embodiment and accompanying drawing, the invention will be further described:
as shown in accompanying drawing 1,2,3,4, this slide rail type fishing device comprises top connection 1, cylindrical shell 2, guide shoe, slide rail claw 5, pad 7 and spring 6, top connection 1, cylindrical shell 2, guide shoe is fixedly installed togather from top to bottom successively, guide shoe inside is provided with limited ring dais 3, cylindrical shell 2 lower end seat is on limited ring dais 3, cylindrical shell 2 inwall is circumferentially intervally distributed with at least two slide rails 4 with gradient, the distance of slide rail 4 upper end and axis is greater than the distance of slide rail 4 lower end and axis, the lower end of slide rail 4 is provided with Corresponding matching slide rail 4 and the slide rail claw 5 that can slide up and down along slide rail 4, the distance of slide rail claw 5 inwall and axis is less than limited ring dais 3 inside radius, slide rail claw 5 top from bottom to top in turn seat have spring 6 and pad 7, pad 7 diameter is greater than top connection 1 internal diameter.In using, top connection 1 is connected to the downside of fishing string, oil well is entered with fishing string, it is inner that coiled tubing upper end enters into cylindrical shell 2 through guide shoe, when slide rail claw 5 is encountered in coiled tubing upper end, promote slide rail claw 5 along slide rail 4 upward sliding having gradient, spring 6 upwards compresses simultaneously, slide rail claw 5 radially opens until coiled tubing enters slide rail claw 5 inside smoothly, after coiled tubing enters completely, upwards bailing fishing string, now, be subject to the elastic force effect of spring 6, slide rail claw 5 glides along slide rail 4, slide rail claw 5 radially shrinks stuck coiled tubing, continue upwards to carry fishing string, can without slippage, firmly coiled tubing is salvaged out, not only damage can not be caused to coiled tubing, and operating process is easy.The present invention also can complete plain tubing and salvage that is cylindric, tubulose well logging apparatus in addition.
according to actual needs, above-mentioned slide rail type fishing device can be made further optimization and/or improvements:
as shown in accompanying drawing 1,2,3,4, slide rail claw 5 and slide rail 4 are in " convex " font mutually mated, slide rail claw 5 outer wall is provided with blind hole, blind hole is equipped with Compress Spring 8 and steel ball 9 from the inside to the outside successively, slide rail 4 outer wall is provided with the steel bead groove 10 of Corresponding matching steel ball 9, and steel ball 9 part is protruded blind hole and is positioned at steel bead groove 10.Slide rail claw 5 can be made to slide in slide rail 4 so more smooth and easy.
as shown in Figure 1, spring 6 is up big and down small volute spring.When selecting volute spring, need the accurate decrement and the compressive force that calculate spring.
as shown in Figure 1, spring 6 inside is provided with guide pillar 11, and guide pillar 11 diameter is less than spring 6 minimum diameter, and guide pillar 11 upper surface and pad 7 lower surface are fixed together.Can play the guiding role to spring 6 like this, avoid spring 6 bending in compression process.
as shown in accompanying drawing 1,2,3, slide rail claw 5 inwall is provided with the claw tooth of continuous print shape triangular in shape.Such clamping force that can increase slide rail claw 5 pairs of coiled tubings, avoids occurring the phenomenons such as slippage.
as shown in accompanying drawing 1,2,3,4, slide rail 4 and corresponding slide rail claw 5 quantity thereof are six, along cylindrical shell 2 circumference uniform distribution.The clamping force of slide rail claw 5 pairs of coiled tubings can not only be increased like this, can also stress equalization be made, avoid the damage occurring coiled tubing.
as shown in Figure 1, limited ring dais 3 lower end is provided with the up-small and down-big guiding conical surface 12.Can play the guiding role to coiled tubing like this, be convenient to coiled tubing and enter cylindrical shell 2 inside.
above technical characteristic constitutes most preferred embodiment of the present invention, and it has stronger compliance and best implementation result, can increase and decrease non-essential technical characteristic according to actual needs, meet the demand of different situations.
Claims (10)
1. a slide rail type fishing device, is characterized in that comprising top connection, cylindrical shell, guide shoe, slide rail claw, pad and spring, top connection, cylindrical shell, guide shoe is fixedly installed togather from top to bottom successively, guide shoe inside is provided with limited ring dais, cylindrical shell lower end seat is on limited ring dais, cylinder inboard wall is circumferentially intervally distributed with at least two slide rails with gradient, the distance of slide rail upper end and axis is greater than the distance of slide rail lower end and axis, the lower end of slide rail is provided with Corresponding matching slide rail and the slide rail claw that can slide up and down along slide rail, the distance of slide rail claw inwall and axis is less than limited ring dais inside radius, slide rail claw top from bottom to top in turn seat have spring and pad, pad diameter is greater than top connection internal diameter.
2. slide rail type fishing device according to claim 1, it is characterized in that slide rail claw and slide rail are in " convex " font mutually mated, slide rail claw outer wall is provided with blind hole, blind hole is equipped with Compress Spring and steel ball from the inside to the outside successively, slide rail outer wall is provided with the steel bead groove of Corresponding matching steel ball, and steel ball part is protruded blind hole and is positioned at steel bead groove.
3. slide rail type fishing device according to claim 1 and 2, is characterized in that spring is up big and down small volute spring.
4. slide rail type fishing device according to claim 1 and 2, is characterized in that spring inner is provided with guide pillar, and guide pillar diameter is less than spring minimum diameter, and guide pillar upper surface and pad lower surface are fixed together.
5. slide rail type fishing device according to claim 3, is characterized in that spring inner is provided with guide pillar, and guide pillar diameter is less than spring minimum diameter, and guide pillar upper surface and pad lower surface are fixed together.
6. slide rail type fishing device according to claim 1 and 2, is characterized in that slide rail claw inwall is provided with the claw tooth of continuous print shape triangular in shape.
7. slide rail type fishing device according to claim 3, is characterized in that slide rail claw inwall is provided with the claw tooth of continuous print shape triangular in shape.
8. slide rail type fishing device according to claim 5, is characterized in that slide rail claw inwall is provided with the claw tooth of continuous print shape triangular in shape.
9. slide rail type fishing device according to claim 1 and 2, is characterized in that slide rail and corresponding slide rail claw quantity thereof are six, along cylindrical shell circumference uniform distribution; Or/and limited ring dais lower end is provided with the up-small and down-big guiding conical surface.
10. slide rail type fishing device according to claim 8, is characterized in that slide rail and corresponding slide rail claw quantity thereof are six, along cylindrical shell circumference uniform distribution; Or/and limited ring dais lower end is provided with the up-small and down-big guiding conical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510414845.XA CN104989311A (en) | 2015-07-15 | 2015-07-15 | Sliding rail type fishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510414845.XA CN104989311A (en) | 2015-07-15 | 2015-07-15 | Sliding rail type fishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104989311A true CN104989311A (en) | 2015-10-21 |
Family
ID=54301180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510414845.XA Pending CN104989311A (en) | 2015-07-15 | 2015-07-15 | Sliding rail type fishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104989311A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761522A (en) * | 2017-02-03 | 2017-05-31 | 东北石油大学 | Rising for de- sucker rod of breaking in oil pipe unloads connector |
| CN110748318A (en) * | 2019-11-29 | 2020-02-04 | 中国石油化工股份有限公司 | Glass fiber reinforced plastic oil pipe fisher |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1569818A (en) * | 1924-11-20 | 1926-01-12 | Ligon Tool Company | Fishing tool for wells |
| CN2082756U (en) * | 1991-03-18 | 1991-08-14 | 大港石油管理局第一采油厂 | Grab-covering type fishing collar |
| CN2203352Y (en) * | 1994-05-20 | 1995-07-12 | 四川石油管理局川东钻探公司 | Fisher |
| CN2606788Y (en) * | 2003-03-13 | 2004-03-17 | 大庆油田有限责任公司 | Slip socket capable of sleeve milling |
| RU2263200C2 (en) * | 2003-12-22 | 2005-10-27 | Чеповецкий Александр Васильевич | Overshot |
| UA76843C2 (en) * | 2004-10-18 | 2006-09-15 | Ltd Liability Company Dniprope | Tubing catch |
| CN201087712Y (en) * | 2007-10-04 | 2008-07-16 | 朱胜利 | Hollow stem salvaging barrel |
| CN203430459U (en) * | 2013-08-19 | 2014-02-12 | 中国石油集团渤海钻探工程有限公司 | Slide slip type coiled tubing jar knocker |
| CN203655207U (en) * | 2013-10-25 | 2014-06-18 | 中国石油化工集团公司 | Coiled tubing fisher for workover |
| CN204225825U (en) * | 2014-11-18 | 2015-03-25 | 中国石油集团川庆钻探工程有限公司 | Fishing tool for well testing instrument |
| CN204877354U (en) * | 2015-07-15 | 2015-12-16 | 中国石油集团西部钻探工程有限公司 | Slide rail formula fishing device |
-
2015
- 2015-07-15 CN CN201510414845.XA patent/CN104989311A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1569818A (en) * | 1924-11-20 | 1926-01-12 | Ligon Tool Company | Fishing tool for wells |
| CN2082756U (en) * | 1991-03-18 | 1991-08-14 | 大港石油管理局第一采油厂 | Grab-covering type fishing collar |
| CN2203352Y (en) * | 1994-05-20 | 1995-07-12 | 四川石油管理局川东钻探公司 | Fisher |
| CN2606788Y (en) * | 2003-03-13 | 2004-03-17 | 大庆油田有限责任公司 | Slip socket capable of sleeve milling |
| RU2263200C2 (en) * | 2003-12-22 | 2005-10-27 | Чеповецкий Александр Васильевич | Overshot |
| UA76843C2 (en) * | 2004-10-18 | 2006-09-15 | Ltd Liability Company Dniprope | Tubing catch |
| CN201087712Y (en) * | 2007-10-04 | 2008-07-16 | 朱胜利 | Hollow stem salvaging barrel |
| CN203430459U (en) * | 2013-08-19 | 2014-02-12 | 中国石油集团渤海钻探工程有限公司 | Slide slip type coiled tubing jar knocker |
| CN203655207U (en) * | 2013-10-25 | 2014-06-18 | 中国石油化工集团公司 | Coiled tubing fisher for workover |
| CN204225825U (en) * | 2014-11-18 | 2015-03-25 | 中国石油集团川庆钻探工程有限公司 | Fishing tool for well testing instrument |
| CN204877354U (en) * | 2015-07-15 | 2015-12-16 | 中国石油集团西部钻探工程有限公司 | Slide rail formula fishing device |
Non-Patent Citations (3)
| Title |
|---|
| 屈华昌: "《塑料成型工艺与模具设计（第二版）》", 31 July 2006 * |
| 谷洪文 等: "《油气井打捞工艺技术能手》", 31 May 2010 * |
| 金志刚 等: "《注射模设计项目化实验教程》", 30 November 2014 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761522A (en) * | 2017-02-03 | 2017-05-31 | 东北石油大学 | Rising for de- sucker rod of breaking in oil pipe unloads connector |
| CN110748318A (en) * | 2019-11-29 | 2020-02-04 | 中国石油化工股份有限公司 | Glass fiber reinforced plastic oil pipe fisher |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20151021 |