CN204532202U - Fuzzy fisher for rod falling objects - Google Patents
Fuzzy fisher for rod falling objects Download PDFInfo
- Publication number
- CN204532202U CN204532202U CN201520117519.8U CN201520117519U CN204532202U CN 204532202 U CN204532202 U CN 204532202U CN 201520117519 U CN201520117519 U CN 201520117519U CN 204532202 U CN204532202 U CN 204532202U
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- China
- Prior art keywords
- slips
- conical surface
- cushion block
- surface section
- movable cushion
- 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.)
- Expired - Fee Related
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- 238000000034 method Methods 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims abstract description 13
- 210000004907 gland Anatomy 0.000 claims description 23
- 238000005452 bending Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Abstract
The utility model provides a rod-type falling object fuzzy fisher, which comprises an outer barrel, wherein a guide shoe with a necking structure is fixedly sleeved in the lower part of the outer barrel, the guide shoe comprises an upper conical surface section and a lower conical surface section, slips are arranged in the upper conical surface section, and a reset mechanism for resetting the slips is also arranged in the outer barrel; the upper end of the rod-type falling object can prop against the slips and enable the slips to be propped open in the upward moving process, and the resetting mechanism can enable the slips to reset and clamp and fix the rod-type falling object after the slips are propped open. The utility model discloses a fuzzy fisher of pole class junk has realized the fuzzy salvage of pole class junk, also can be applied to simultaneously and be less than the diameterThe fishing of the pipe falling objects of millimeter solves the fishing problem of the rod falling objects with larger bending.
Description
Technical field
The utility model relates to a kind of oil field well process tool, particularly a kind of fuzzy fisher of bar class junk being applied in down-hole all kinds of rod tube class fishing junk.
Background technology
In oil well production maintenance process, often run into all kinds of pipe bar and to fall well problem, because all kinds of pipe bar size is various, the fishing tool of suitable dimension therefore must be selected just effectively to salvage, cause various fishing tool.Meanwhile, again because pipe bar junk size in well is not quite clear, bar class junk can not print to be examined, and the bar class junk had exists bending problem, usually causes and salvages unsuccessfully.
Utility model content
In order to overcome prior art fishing tool restricted application and not easily salvage the problem of bent stick class junk, the utility model provides a kind of bar class junk fuzzy fisher, can realize the fuzzy salvaging of bar class junk.
The utility model solves the technical scheme that its technical problem adopts: the fuzzy fisher of a kind of bar class junk, comprise outer cylinder body, the bottom internal fixtion of outer cylinder body is arranged with the guide shoe of necking down structure, conical surface section and lower conical surface section is comprised in guide shoe, be provided with slips in upper conical surface section, in outer cylinder body, be also provided with the resetting-mechanism resetted for slips; The upper end of bar class junk can contact slips make slips softened in the process moved up, and described resetting-mechanism can make slips reset and the described bar class junk that is fixedly clamped after slips is softened.
Movable cushion block is provided with between guide shoe and slips, the outside wall surface of movable cushion block and the inner conical surface of upper conical surface section match, the outside wall surface of slips is taper surface, the internal face of movable cushion block and the outside wall surface of slips match, the upper end of described bar class junk can contact movable cushion block all softened in the process that movable cushion block is moved up together with slips, and slips resets and movable cushion block can be driven together to reset.
The inside projecting limited location bulge loop in bottom of movable cushion block, slips is provided with the spacing scrobicular ring corresponding with described position limiting convex ring, and slips only can along the internal face upward sliding of movable cushion block.
The outside wall surface of movable cushion block comprises upper outside wall surface setting up and down and lower outside wall surface, and described upper outside wall surface is the face of cylinder, and described lower outside wall surface is taper seat, and the tapering of the taper seat of described lower outside wall surface is identical with the tapering of the inner conical surface of upper conical surface section; The outside wall surface of slips comprises epimere wall setting up and down and hypomere wall, and described epimere wall is the face of cylinder, and described hypomere wall is taper seat, and the tapering of taper seat of described hypomere wall is identical with the tapering of the internal face of movable cushion block.
Movable cushion block is split-type structure, and slips is split-type structure, and the tapering of the taper seat of described lower outside wall surface equals the tapering of the internal face of movable cushion block.
The bottom of slips is provided with the first inner conical surface section, the top of the first inner conical surface section upward, the bottom of movable cushion block is provided with the second inner conical surface section, the top of the second inner conical surface section upward, the tapering of the first inner conical surface section equals the tapering of the second inner conical surface section, when original state, the bottom of the first inner conical surface section is identical with the position on the top of the second inner conical surface section.
Guide shoe is provided with cylindrical section between upper conical surface section and lower conical surface section, and the tapering of the inner conical surface of upper conical surface section is less than the tapering of the inner conical surface of lower conical surface section, and the position of the upper end of cylindrical section is identical with the position of the bottom of the second inner conical surface section.
The top of outer cylinder body is fixed with top connection; Described resetting-mechanism comprises connecting rod, gland and spring, the upper end of connecting rod and gland pivot joint, the lower end of connecting rod and slips pivot joint, and the upper end of spring connects the bottom of top connection, and the lower end of spring connects the top of gland.
Described resetting-mechanism also comprises interior pipe, and the upper end of interior pipe is sheathed in top connection and the external diameter of interior pipe equals the internal diameter of top connection, and the bottom of interior pipe is fixedly connected with the inwall of gland by external screw thread, and spring housing is located at outside interior pipe.
The lower end of gland is fixedly installed contiguous block, and the upper end of connecting rod is by contiguous block and gland pivot joint.
The beneficial effects of the utility model are, achieve the fuzzy salvaging of bar class junk, also can be applicable to be less than diameter simultaneously
the salvaging of the tubing junk of millimeter, solves a salvaging difficult problem for the bar class junk had compared with macrobending.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described further.
Fig. 1 is the structural representation of the fuzzy fisher of bar class junk of the present utility model.
Description of reference numerals: 1. guide shoe, conical surface section on 11., 12. cylindrical sections, 13. times conical surface sections, 2. outer cylinder bodies, 3. movable cushion block, 31. second inner conical surface section, 4. slips, 41. first inner conical surface section, 5. top connections, 6. contiguous block, 7. connecting rod, 8. gland, 9. spring, pipe 10..
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and detailed description of the invention of the present utility model is described.
As shown in Figure 1, the utility model proposes the fuzzy fisher of a kind of bar class junk, comprise outer cylinder body 2, the bottom internal fixtion of outer cylinder body 2 is arranged with the guide shoe 1 of necking down structure, conical surface section 11 and lower conical surface section 13 is comprised in guide shoe 1, be provided with slips 4 in upper conical surface section 11, in outer cylinder body 2, be also provided with the resetting-mechanism resetted for slips 4; The upper end of bar class junk can contact slips 4 make slips 4 softened in the process moved up, and described resetting-mechanism can make slips 4 reset and the described bar class junk that is fixedly clamped after slips 4 is softened.
In prior art, for the bar class junk of different size, need the fishing tool using different size, the salvaging to bar class junk could be realized.Use the fuzzy fisher of bar class junk of the present utility model when fishing rod class junk, only need bar class junk can by the necking section of guide shoe 1, therefore, the utility model can realize rod tube size within the specific limits and have the salvaging of larger bending bar class junk.Under the effect of guide shoe 1, bar class junk enters the inside of outer cylinder body 2 by the necking section of guide shoe 1 and axis along inner barrel 2 is up, until contact slips 4 make slips 4 thereupon up, in the process, described bar class junk can strut and enter slips 4; After described bar class junk all enters outer cylinder body 2, slips 4 is fixedly clamped described bar class junk under the deadweight of bar class junk and the reset response of described resetting-mechanism; Thus achieve the fuzzy salvaging to described bar class junk, meanwhile, also solve a monistic difficult problem for fishing rod class junk instrument, avoid scene to need to carry the trouble of a large amount of fishing tool, saved the cost needing to manufacture a large amount of fishing tool.
The deadweight of bar class junk can provide power-assisted, the fastening force simultaneously also needing slips 4 can provide enough for the slips 4 described bar class junk that is fixedly clamped.Can be fixedly clamped to make slips 4 and there is the bar class junk of larger reducing, movable cushion block 3 is provided with between guide shoe 1 and slips 4, the outside wall surface of movable cushion block 3 and the inner conical surface of upper conical surface section 11 match, the outside wall surface of slips 4 is taper surface, the internal face of movable cushion block 3 and the outside wall surface of slips 4 match, the upper end of described bar class junk can contact movable cushion block 3 all softened in the process that movable cushion block 3 is moved up together with slips 4, and slips 4 resets and movable cushion block 3 can be driven together to reset.When slips 4 drives movable cushion block 3 together to reset, on the Action of Gravity Field and guide shoe 1 of described bar class junk, movable cushion block 3 and slips 4 outside wall surface of conical surface section 11 pairs of movable cushion block 3 effect under, movable cushion block 3 pairs of slips 4 produce larger radial load, make slips 4 produce larger radial contraction and larger fastening force is produced to described bar class junk, thus be fixedly clamped there is the described bar class junk of larger reducing, realize the fuzzy salvaging of bar class junk of larger reducing.
Up and strut in the process of movable cushion block 3 or slips 4 in the upper end contact movable cushion block 3 of described bar class junk, can be strutted smoothly to make slips 4 or movable cushion block 3 simultaneously, the inside projecting limited location bulge loop in the bottom of movable cushion block 3, slips 4 is provided with the spacing scrobicular ring corresponding with described position limiting convex ring, make slips 4 only can along the internal face upward sliding of movable cushion block 3, and can not along the internal face slide downward of movable cushion block 3.When described bar class junk contact movable cushion block 3 is up, described position limiting convex ring acts on described spacing scrobicular ring, make slips 4 along up and open along the internal face of movable cushion block 3 along with the up of movable cushion block 3, enable described bar class junk enter slips 4 smoothly and continue to strut slips 4.
For the ease of movable cushion block 3 and slips 4 up along the axis of inner barrel 2, the outside wall surface of movable cushion block 3 comprises upper outside wall surface setting up and down and lower outside wall surface, described upper outside wall surface is the face of cylinder, described lower outside wall surface is taper seat, and the tapering of the taper seat of described lower outside wall surface is identical with the tapering of the inner conical surface of upper conical surface section 11; The outside wall surface of slips 4 comprises epimere wall setting up and down and hypomere wall, and described epimere wall is the face of cylinder, and described hypomere wall is taper seat, and the tapering of the taper seat of described hypomere wall is identical with the tapering of the internal face of movable cushion block 3.
In a feasible embodiment, movable cushion block 3 is split-type structure, slips 4 is split-type structure, the tapering of the outside wall surface of movable cushion block 3 equals the tapering of the internal face of movable cushion block 3, namely the tapering going up the taper seat of the described hypomere wall of the tapering of the inner conical surface of conical surface section 11, the tapering of taper seat of described lower outside wall surface of movable cushion block 3, the tapering of the internal face of movable cushion block 3 and slips 4 is identical, thus is convenient to processing and manufacturing.The internal face of slips 4 is provided with the lock tooth for the described bar class junk that is fixedly clamped.
When the fuzzy fisher of described bar class junk is in original state, described original state and the fuzzy fisher of described bar class junk do not carry out the state of bar class fishing junk, under the Action of Gravity Field of movable cushion block 3 and slips 4, movable cushion block 3 still produces certain radial load to slips 4, when bar class junk contact movable cushion block 3, larger power is just needed to move up to make movable cushion block 3 and slips 4.The bottom of slips 4 is provided with the first inner conical surface section 41, the top of the first inner conical surface section 41 upward, the bottom of movable cushion block 3 is provided with the second inner conical surface section 31, the top of the second inner conical surface section 31 upward, the tapering of the first inner conical surface section 41 equals the tapering of the second inner conical surface section 31, in order to head it off, when original state, by described position limiting convex ring and described spacing scrobicular ring, make the bottom of the first inner conical surface section 41 identical with the position on the top of the second inner conical surface section 31.
Guide shoe 1 is provided with cylindrical section 12 between upper conical surface section 11 and lower conical surface section 13, the tapering of the inner conical surface of conical surface section 11 is made to be less than the tapering of the inner conical surface of lower conical surface section 13, make movable cushion block 3 after entering guide shoe 1, can contact movable cushion block 3 or slips 4 rapidly, meanwhile, movable cushion block 3 and slips 4 can have enough Top Runbies in softened process; At guide shoe 1 and movable cushion block 3 transition position, make the position of the upper end of cylindrical section 12 identical with the position of the bottom of the second inner conical surface section 31.
In the embodiment shown in fig. 1, the top of outer cylinder body 2 is fixed with top connection 5 by internal thread, and top connection 5 is provided with the internal thread connecting tubing string; Described resetting-mechanism comprises connecting rod 7, gland 8 and spring 9, the upper end of connecting rod 7 and gland 8 pivot joint, and the lower end of connecting rod 7 is by bearing pin and slips 4 pivot joint, and the upper end of spring 9 connects the bottom of top connection 5, and the lower end of spring 9 connects the top of gland 8.When slips 4 is up, drivening rod 7 promotes the up and Compress Spring 9 of gland 8, and after described bar class junk enters inner barrel 2, spring 9 resets and to promote gland 8 descending, and it is descending that drivening rod 7 promotes slips 4.
Described resetting-mechanism also comprises interior pipe 10, and the upper end of interior pipe 10 is sheathed in top connection 5 and the external diameter of interior pipe 10 equals the internal diameter of top connection 5, and the bottom of interior pipe 10 is fixedly connected with by the inwall of external screw thread with gland 8, and spring 9 is set in outside interior pipe 10.Form the annular space of energy putting spring 9 between outer cylinder body 2 and interior pipe 10, meanwhile, spring 9 also only can be compressed or be resetted in described annular space.
In a concrete embodiment, the lower end of gland 8 is fixedly installed contiguous block 6, and the upper end of connecting rod 7 is by bearing pin and contiguous block 6 pivot joint and form pivot joint between gland 8.
From the above, the pipe bar of the external diameter commonly used when keeping in repair for field produces between 12 millimeters to 55 millimeters, the fuzzy fisher of bar class junk of the present utility model all can realize fuzzy salvaging to it.
Illustrate the course of work of the fuzzy fisher of bar class junk of the present utility model below.
During use, first the fuzzy fisher of described bar class junk is connected to the bottom of tubing string and G.I.H precalculated position by top connection 5; Then by under the fuzzy fisher of described bar class junk to precalculated position 1 meter slowly transfer tubing string afterwards to 2 meters, continue uply to wash slips 4 open after bar class junk washes movable cushion block 3 open, slips 4 drivening rod 7 promotes the up Compress Spring 9 of gland 8.After described bar class junk enters outer cylinder body 2, spring 9 resets and to promote gland 8 descending, it is descending that drivening rod 7 promotes slips 4, slips 4 drives movable cushion block 3 descending, when the inner conical surface of movable cushion block 3 with the upper conical surface section 11 of guide shoe 1 coordinates, when the internal face of movable cushion block 3 and the described lower end wall of slips 4 coordinate, produce radial load, the lock tooth locking junk of the internal face of slips 4, now, upper lifting pipe post can complete salvaging.
From this course of work, the fuzzy fisher of described bar class junk is flexibly simple to operate, and it is convenient to salvage, and saves and salvages invalid salvaging process cost in construction; Large diameter tubing string can be used, bar class junk (such as sucker rod) is all introduced in outer cylinder body 2, carries out back-off after salvaging, substantially increase the efficiency of salvaging.
The foregoing is only the schematic detailed description of the invention of the utility model, and be not used to limit scope of the present utility model.Any those skilled in the art, the equivalent variations done under the prerequisite not departing from design of the present utility model and principle and amendment, all should belong to the scope of the utility model protection.And it should be noted that, each ingredient of the present utility model is not limited in above-mentioned overall applicability, the each technical characteristic described in manual of the present utility model can select one to adopt separately or select the multinomial use that combines according to actual needs, therefore, the utility model naturally covers other relevant with this case innovative point and combines and embody rule.
Claims (10)
1. the fuzzy fisher of bar class junk, it is characterized in that, the fuzzy fisher of described bar class junk comprises outer cylinder body (2), the bottom internal fixtion of outer cylinder body (2) is arranged with the guide shoe (1) of necking down structure, conical surface section (11) and lower conical surface section (13) is comprised in guide shoe (1), be provided with slips (4) in upper conical surface section (11), in outer cylinder body (2), be also provided with the resetting-mechanism resetted for slips (4); The upper end of bar class junk can contact slips (4) make slips (4) softened in the process moved up, and described resetting-mechanism can make slips (4) reset and the described bar class junk that is fixedly clamped after slips (4) is softened.
2. the fuzzy fisher of bar class junk according to claim 1, it is characterized in that, movable cushion block (3) is provided with between guide shoe (1) and slips (4), the outside wall surface of movable cushion block (3) and the inner conical surface of upper conical surface section (11) match, the outside wall surface of slips (4) is taper surface, the internal face of movable cushion block (3) and the outside wall surface of slips (4) match, the upper end of described bar class junk can contact movable cushion block (3) all softened in the process that movable cushion block (3) and slips (4) are moved up together, slips (4) resets and movable cushion block (3) can be driven together to reset.
3. the fuzzy fisher of bar class junk according to claim 2, it is characterized in that, the inside projecting limited location bulge loop in bottom of movable cushion block (3), slips (4) is provided with the spacing scrobicular ring corresponding with described position limiting convex ring, and slips (4) only can along the internal face upward sliding of movable cushion block (3).
4. the fuzzy fisher of bar class junk according to claim 2, it is characterized in that, the outside wall surface of movable cushion block (3) comprises upper outside wall surface setting up and down and lower outside wall surface, described upper outside wall surface is the face of cylinder, described lower outside wall surface is taper seat, and the tapering of the taper seat of described lower outside wall surface is identical with the tapering of the inner conical surface of upper conical surface section (11); The outside wall surface of slips (4) comprises epimere wall setting up and down and hypomere wall, described epimere wall is the face of cylinder, described hypomere wall is taper seat, and the tapering of the taper seat of described hypomere wall is identical with the tapering of the internal face of movable cushion block (3).
5. the fuzzy fisher of bar class junk according to claim 4, it is characterized in that, movable cushion block (3) is split-type structure, and slips (4) is split-type structure, and the tapering of the taper seat of described lower outside wall surface equals the tapering of the internal face of movable cushion block (3).
6. the fuzzy fisher of bar class junk according to claim 2, it is characterized in that, the bottom of slips (4) is provided with the first inner conical surface section (41), the top of the first inner conical surface section (41) upward, the bottom of movable cushion block (3) is provided with the second inner conical surface section (31), the top of the second inner conical surface section (31) upward, the tapering of the first inner conical surface section (41) equals the tapering of the second inner conical surface section (31), when original state, the bottom of the first inner conical surface section (41) is identical with the position on the top of the second inner conical surface section (31).
7. the fuzzy fisher of bar class junk according to claim 6, it is characterized in that, guide shoe (1) is provided with cylindrical section (12) between upper conical surface section (11) and lower conical surface section (13), the tapering of the inner conical surface of upper conical surface section (11) is less than the tapering of the inner conical surface of lower conical surface section (13), and the position of the upper end of cylindrical section (12) is identical with the position of the bottom of the second inner conical surface section (31).
8. the fuzzy fisher of bar class junk according to claim 1, is characterized in that, the top of outer cylinder body (2) is fixed with top connection (5); Described resetting-mechanism comprises connecting rod (7), gland (8) and spring (9), the upper end of connecting rod (7) and gland (8) pivot joint, the lower end of connecting rod (7) and slips (4) pivot joint, the upper end of spring (9) connects the bottom of top connection (5), and the lower end of spring (9) connects the top of gland (8).
9. the fuzzy fisher of bar class junk according to claim 8, it is characterized in that, described resetting-mechanism also comprises interior pipe (10), the upper end of interior pipe (10) is sheathed in top connection (5) and the external diameter of interior pipe (10) equals the internal diameter of top connection (5), the bottom of interior pipe (10) is fixedly connected with by the inwall of external screw thread with gland (8), and spring (9) is set in interior pipe (10) outward.
10. the fuzzy fisher of bar class junk according to claim 8, it is characterized in that, the lower end of gland (8) is fixedly installed contiguous block (6), and the upper end of connecting rod (7) is by contiguous block (6) and gland (8) pivot joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520117519.8U CN204532202U (en) | 2015-02-27 | 2015-02-27 | Fuzzy fisher for rod falling objects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520117519.8U CN204532202U (en) | 2015-02-27 | 2015-02-27 | Fuzzy fisher for rod falling objects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204532202U true CN204532202U (en) | 2015-08-05 |
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ID=53746225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520117519.8U Expired - Fee Related CN204532202U (en) | 2015-02-27 | 2015-02-27 | Fuzzy fisher for rod falling objects |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204532202U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107859498A (en) * | 2017-11-21 | 2018-03-30 | 中国石油集团西部钻探工程有限公司 | Combined type fishing device |
| CN112469882A (en) * | 2018-07-25 | 2021-03-09 | 沙特***石油公司 | Milling underground pipe fitting |
-
2015
- 2015-02-27 CN CN201520117519.8U patent/CN204532202U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107859498A (en) * | 2017-11-21 | 2018-03-30 | 中国石油集团西部钻探工程有限公司 | Combined type fishing device |
| CN112469882A (en) * | 2018-07-25 | 2021-03-09 | 沙特***石油公司 | Milling underground pipe fitting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 |
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| CF01 | Termination of patent right due to non-payment of annual fee |