CN203867507U - Downhole rope fishing tool for petroleum well - Google Patents
Downhole rope fishing tool for petroleum well Download PDFInfo
- Publication number
- CN203867507U CN203867507U CN201420292726.2U CN201420292726U CN203867507U CN 203867507 U CN203867507 U CN 203867507U CN 201420292726 U CN201420292726 U CN 201420292726U CN 203867507 U CN203867507 U CN 203867507U
- Authority
- CN
- China
- Prior art keywords
- rope
- main body
- drag
- fishing
- oil well
- 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
Links
Abstract
The utility model discloses a downhole rope fishing tool for a petroleum well. The downhole rope fishing tool comprises a main body (4). A mounting through slot (6) is formed in the main body (4) in the axial direction. Multiple filter nets (1) which are equidistantly distributed in the axial direction are arranged in the mounting through slot (6). The outer end faces of the two sides of the mounting through slot (6) of the main body (4) are respectively provided with multiple rope fishing columns (3). The rope fishing columns (3) are obliquely arranged on the surface of the main body (4). The circumferential surface of each rope fishing column (3) is provided with multiple small barbs (2). Any end of the main body (4) is provided with a connector (5) which is provided with internal tapered threads. The downhole rope fishing tool for the petroleum well is simple in structure, good in fishing effect, capable of fishing rope-like objects or clumpy objects falling into the petroleum well and more thorough in fishing; moreover, the fished rope-like objects can be stably wound around the rope fishing columns and are not prone to falling, so the downhole rope fishing tool is high in practicality.
Description
Technical field
The utility model relates to a kind of spear, belongs to oil field, relates in particular a kind of oil well down-hole and drags for rope instrument.
Background technology
In oil well operation process; in oil well, usually can fall into some and affect the junk of operation and oil exploitation; be generally the elongated and object that body is soft such as some wire rope, cable, steel wire for logging, these junks need in oil well, pull out in time, in order to avoid oil well stops up or damage equipment.Though dragging for rope instrument can pull inner rope form junk out present, but agglomerating steel wire, cable texts is poor for some, salvages not thoroughly, the interior residual junk of oil well cannot be removed and causes some negative consequences.
utility model content
The utility model has overcome the deficiencies in the prior art, provides a kind of oil well down-hole to drag for rope instrument, and the rope instrument that drags in the past that solved is salvaged halfway problem.
For solving above-mentioned technical problem, the utility model is by the following technical solutions: rope instrument is dragged in oil well down-hole, comprise main body, body shaft, to having installation groove, is installed in groove and is provided with multiple slipping through the net of being axially equally spaced, and described main body is provided with multiple rope posts that drag in the outer face, both sides that groove is installed, dragging for rope post and body surfaces is obliquely installed, the described rope post periphery that drags for is provided with multiple barbules, and any one end of described main body is provided with connector, and connector is provided with female cone screw thread.
Described dismountable being arranged on of slipping through the net installed in groove.
Described slipping through the net adopts stainless steel to make.
The described rope post that drags for adopts and is threaded with main body.
The described rope post that drags for is along body shaft to distributing in the shape of a spiral, and the angle of inclination of dragging for rope post and body surfaces is increasing or decreasing setting.
Compared with prior art, the beneficial effects of the utility model are: rope instrument is dragged in this oil well down-hole of the utility model design, simple in structure, salvage effective, can salvage rope form and bulk junk in oil well, salvage more thoroughly, and the rope form junk of salvaging can firmly be wrapped in to drag for and restricts on post, be difficult for dropping, practical.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.
Label in figure is: 1, slip through the net; 2, barbule; 3, drag for rope post; 4, main body; 5, connector; 6, groove is installed.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described.Embodiment of the present utility model includes but not limited to the following example.
Embodiment 1
Rope instrument is dragged in oil well down-hole as shown in Figure 1, comprise main body 4, main body 4 axially has installs groove 6, install be provided with in groove 6 multiple be axially equally spaced slip through the net 1, described main body 4 is provided with multiple rope posts 3 that drag for the outer face, both sides of groove 6 is installed, and drags for rope post 3 and main body 4 surface tilt settings, described in drag for rope post 3 peripheries and be provided with multiple barbules 2, any one end of described main body 4 is provided with connector 5, and connector 5 is provided with female cone screw thread.
When the present embodiment uses, the connector of main body 45 is connected with connector by female cone screw thread, drive main body 4 to rotate and move up and down by connector, main body 4 drives bottom hole falling article in rotation process, rope form junk is wrapped in to drag on rope post and tightly wraps under main body 4 drives, bulk junk and other small-sized junks fall into the 1 interior collection of slipping through the net, after salvaging certain hour section, take out main body 4, junk is taken out; The present embodiment adopts said structure, and not only quality simple in structure is light, and salvaging efficiency is high, salvaging is thorough.
Rope post 3 peripheries that drag in the present embodiment are also provided with multiple barbules 2, barbule 2 is tiny spike body, and with drag for rope post 3 surfaces and be 35 °-50 ° and be obliquely installed, thereby rope form junk be wrapped in drag for rope post 3 on time, barbule 2 thrusts or stuck junk, prevent junk landing, improve and salvage efficiency, practical.
Embodiment 2
The present embodiment has been optimized following structure on the basis of embodiment 1: described in 1 dismountable being arranged on of slipping through the net install in groove 6.
In the present embodiment, slip through the net 1 for convenience of changing, simultaneously also in order conveniently to pour out the bulk junk of slipping through the net in 1, therefore slipping through the net 1 adopts dismountable mode with groove 6 is installed, and as the connected modes such as buckle, grafting, bolt connect, is convenient to change and use.
Embodiment 3
The present embodiment has been optimized and has been slipped through the net on the basis of embodiment 1 or embodiment 2, is specially: described in the 1 employing stainless steel of slipping through the net make.
In the present embodiment, consider that in oil well, environment is comparatively severe, slipping through the net 1 is very easily subject to rotten damage, and simultaneously 1 be in contact with one another with inner junk owing to slipping through the net in the time salvaging, collision etc. very easily damaged and slipped through the net, and slips through the net 1 need to have good corrosion resistance and intensity can be used for a long time, therefore, make for addressing the above problem the 1 employing stainless steel of slipping through the net, stainless steel not only corrosion-resistant, intensity is high, can not only meet instructions for use, change also more for convenience, cost is low simultaneously.
Embodiment 4
The present embodiment has done following optimization on the basis of above-mentioned arbitrary embodiment: described in drag for 4 employings of rope post 3 and main body and be threaded.
In this enforcement, dragging for rope post 3 and barbule 2 after permanent use, because metal junk is more, drag for rope post 3 and barbule 2 and under junk effect, wear and tear comparatively seriously, be all by the upper new post 3 of restricting that drags for of welding again after the dragging for rope post 3 and cut of wearing and tearing in the past, not only very bother, and processing cost is high, therefore, drag for rope post 3 for convenience of changing, to drag for rope post 3 adopts and is threaded with main body 4, facilitate the replacing of dragging for rope post 3, saved follow-up maintenance cost, reduced the lay day.
Embodiment 5
The present embodiment has been optimized the arrangement mode that drags for rope post on the basis of above-mentioned arbitrary embodiment, is specially: described in drag for rope post 3 and axially distribute in the shape of a spiral along main body 4, and drag for rope post 3 and be increasing or decreasing setting with the angle of inclination on main body 4 surfaces.
The present embodiment is to increase salvaging area and the degree of depth of dragging for rope post 3, increases simultaneously and drags for the constraint effect of rope post 3 to junk, will drag for rope post 3 and axially distribute in the shape of a spiral along main body 4, like this, the salvaging face that drags for rope post 3 is covered with on main body 4 surfaces, and well arranged, salvages more thorough; Drag for rope post 3 simultaneously and be increasing or decreasing setting with the angle of inclination on main body 4 surfaces, to adapt to the randomness of rope form junk in well and without arrangement property, confusing rope form fishing junk can be wound around, improve salvaging quality and efficiency, practical.
Be as mentioned above embodiment of the present utility model.The utility model is not limited to above-mentioned embodiment, and anyone should learn the structural change of making under enlightenment of the present utility model, every with the utlity model has identical or close technical scheme, within all falling into protection domain of the present utility model.
Claims (5)
1. rope instrument is dragged in oil well down-hole, it is characterized in that: comprise main body (4), main body (4) axially has installs groove (6), install in groove (6) and be provided with multiple slip through the net (1) that are axially equally spaced, described main body (4) is provided with multiple rope posts (3) that drag in the outer face, both sides that groove (6) is installed, drag for rope post (3) and main body (4) surface tilt setting, described rope post (3) periphery that drags for is provided with multiple barbules (2), described main body (4) is provided with connector (5) in one end arbitrarily, and connector (5) is provided with female cone screw thread.
2. rope instrument is dragged in oil well according to claim 1 down-hole, it is characterized in that: described in (1) dismountable being arranged on of slipping through the net install in groove (6).
3. rope instrument is dragged in oil well according to claim 1 and 2 down-hole, it is characterized in that: described in slip through the net (1) adopt stainless steel make.
4. rope instrument is dragged in oil well according to claim 1 down-hole, it is characterized in that: described in drag for rope post (3) and be threaded with main body (4) employing.
5. rope instrument is dragged in oil well according to claim 1 down-hole, it is characterized in that: described in drag for rope post (3) and axially distribute in the shape of a spiral along main body (4), and drag for rope post (3) and be increasing or decreasing setting with the angle of inclination on main body (4) surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420292726.2U CN203867507U (en) | 2014-06-04 | 2014-06-04 | Downhole rope fishing tool for petroleum well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420292726.2U CN203867507U (en) | 2014-06-04 | 2014-06-04 | Downhole rope fishing tool for petroleum well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203867507U true CN203867507U (en) | 2014-10-08 |
Family
ID=51648477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420292726.2U Expired - Fee Related CN203867507U (en) | 2014-06-04 | 2014-06-04 | Downhole rope fishing tool for petroleum well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203867507U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033122A (en) * | 2014-06-04 | 2014-09-10 | 成都来宝石油设备有限公司 | Downhole rope fishing tool for oil wells |
| CN115263222A (en) * | 2022-09-29 | 2022-11-01 | 胜利油田东方实业投资集团有限责任公司 | Dual fixed anti-drop's a sucker rod overshot |
-
2014
- 2014-06-04 CN CN201420292726.2U patent/CN203867507U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033122A (en) * | 2014-06-04 | 2014-09-10 | 成都来宝石油设备有限公司 | Downhole rope fishing tool for oil wells |
| CN115263222A (en) * | 2022-09-29 | 2022-11-01 | 胜利油田东方实业投资集团有限责任公司 | Dual fixed anti-drop's a sucker rod overshot |
| CN115263222B (en) * | 2022-09-29 | 2022-12-02 | 胜利油田东方实业投资集团有限责任公司 | Dual fixed anti-drop's a sucker rod socket |
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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: 20141008 Termination date: 20150604 |
|
| EXPY | Termination of patent right or utility model |