CN203856439U - Novel milling shoe fishing barrel - Google Patents
Novel milling shoe fishing barrel Download PDFInfo
- Publication number
- CN203856439U CN203856439U CN201420168707.9U CN201420168707U CN203856439U CN 203856439 U CN203856439 U CN 203856439U CN 201420168707 U CN201420168707 U CN 201420168707U CN 203856439 U CN203856439 U CN 203856439U
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- alloy layer
- hard alloy
- milling shoe
- milling
- novel
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Abstract
The utility model relates to a novel milling shoe fishing barrel. The adopted technical scheme is that the novel milling shoe fishing barrel comprises an upper joint, a milling shoe body, a washover centering body, an upper hard alloy layer, a lower hard alloy layer and a runner, wherein one end of the milling shoe body is connected with the upper joint into a whole, the other end of the milling shoe body is provided with the upper hard alloy layer, one or more runners are arranged between the upper hard alloy layer and the upper joint, the outer wall of the milling shoe body is provided with external threads which are in matched connection with internal threads arranged at the inner end of the washover centering body, and the outer end of the washover centering body is provided with the lower hard alloy layer. The novel milling shoe fishing barrel has the beneficial effects that after five wells continuously apply the device, good effects are achieved, the construction time is reduced, the risk of tubular column clamping caused by oil tube skin is avoided, and the novel milling shoe fishing barrel is quite popular among stuff on the site.
Description
Technical field
The utility model relates to a kind of junk mill fishing device, particularly a kind of Novel grind shoe fishing socket.
Background technology
In oil well production process, because eccentric wear, corrosion and artificial origin cause the oil pipe well situation that falls, happen occasionally, this just need to use flat-bottom grind shoes to carry out milling, salvaging, but often can leave oil pipe leather in milling Tubing During Running, and later salvaging is caused to trouble.
Chinese patent literature number is 2703865, patent name is < < flexible sunk-matter aalvage grinding-milling tool > >, this instrument has dipper and milling shoes, the milling end face insert carbide alloy of milling shoes, is linked in sequence top connection, dipper and milling shoes.Dipper inwall is provided with and drags for hook, and the milling end face of milling shoes is sinusoidal.The problem of its existence is to only have a milling shoes, there is no erection device, and like this, in use effect is slightly poor.
This Patent document number of China is 2835535, patent name is < < cover milling fishing tool > >, mainly by top connection, fishing socket, crossover sub, bailer grab, milling head, formed, top connection, fishing socket, crossover sub, milling head are fixedly connected sequentially together, there is local type conical bench milling head inside, bailer grab is the split ring of local taper, inwall has reverse pawl, and forms matched in clearance with milling head.The utility model, by adopting milling head and bailer grab to be used in conjunction with, is realized milling and salvaging use, has reduced the risk of direction deflecting device fishing operation, has improved the success rate of the fishing of whipstock.But the problem of its existence is: the inner split ring that also needs to be provided with taper, and inwall has reverse pawl, and forms matched in clearance with milling head, its complex structure, cost of manufacture is high.
Summary of the invention
The purpose of this utility model is exactly in view of the foregoing defects the prior art has, and a kind of Novel grind shoe fishing socket is provided, and has reduced oil pipe leather, has lowered construction risk.
Its technical scheme is: comprise top connection, junk mill body, cover milling centralizer body, upper hard alloy layer, lower hard alloy layer, runner, one end and the top connection of described junk mill body connect as one, the other end of junk mill body is provided with hard alloy layer, and is provided with one or more than one runners between upper hard alloy layer and top connection; The outer wall of described junk mill body is provided with external screw thread, and the screw-internal thread fit being provided with cover milling centralizer body the inner is connected, and the outer end of cover milling centralizer body is provided with lower hard alloy layer.
The soffit of above-mentioned upper hard alloy layer is laid with triangle and grinds one's teeth in sleep.
Above-mentioned lower hard alloy layer is loop configuration, and surface is laid with triangle and grinds one's teeth in sleep.
The beneficial effects of the utility model are: by cover milling centralizer body, top of fish is introduced, make oil pipe carry out between two parties righting, by junk mill body, carry out milling again, close beta through continuous 5 mouthfuls of wells, all obtained good effect, reduce the engineering time, avoided being caused by oil pipe leather the risk of card tubing string, be deeply subject to on-the-spot employee's favorable comment.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model;
Accompanying drawing 2 is right views of the present utility model;
In upper figure: top connection 1, junk mill body 2, cover milling centralizer body 3, upper hard alloy layer 4, lower hard alloy layer 5, runner 6, grind one's teeth in sleep 7.
The specific embodiment
By reference to the accompanying drawings 1 and 2, the utility model will be further described:
The utility model comprises top connection 1, junk mill body 2, cover milling centralizer body 3, upper hard alloy layer 4, lower hard alloy layer 5, runner 6, one end and the top connection 1 of described junk mill body 2 connect as one, the other end of junk mill body 2 is provided with hard alloy layer 4, and is provided with one or more than one runners 6 between upper hard alloy layer 4 and top connection 1; The outer wall of described junk mill body 2 is provided with external screw thread, and the screw-internal thread fit being provided with cover milling centralizer body 3 the inners is connected, and the outer end of cover milling centralizer body 3 is provided with lower hard alloy layer 5.
Wherein, the soffit of upper hard alloy layer 4 is laid with triangle and grinds one's teeth in sleep 7, and its milling effect is better; Above-mentioned lower hard alloy layer 5 is loop configuration, and surface is laid with triangle and grinds one's teeth in sleep 7, and its milling effect is better.
The utility model, in milling process, is introduced top of fish by cover milling centralizer body 3, makes oil pipe placed in the middle, by flat junk mill body 2 milling oil pipes, has reduced oil pipe leather, has lowered construction risk, for follow-up salvage firm basis.
By the close beta of continuous 5 mouthfuls of wells, all obtained good effect, reduced the engineering time, avoided being caused by oil pipe leather the risk of card tubing string, be deeply subject to on-the-spot employee's favorable comment.
Claims (3)
1. a Novel grind shoe fishing socket, it is characterized in that: comprise top connection (1), junk mill body (2), cover milling centralizer body (3), upper hard alloy layer (4), lower hard alloy layer (5), runner (6), one end and the top connection (1) of described junk mill body (2) connect as one, the other end of junk mill body (2) is provided with hard alloy layer (4), and is provided with one or more than one runners (6) between upper hard alloy layer (4) and top connection (1); The outer wall of described junk mill body (2) is provided with external screw thread, and the screw-internal thread fit being provided with cover milling centralizer body (3) the inner is connected, and the outer end of cover milling centralizer body (3) is provided with lower hard alloy layer (5).
2. Novel grind shoe fishing socket according to claim 1, is characterized in that: the soffit of described upper hard alloy layer (4) is laid with triangle grind one's teeth in sleep (7).
3. Novel grind shoe fishing socket according to claim 1, is characterized in that: described lower hard alloy layer (5) is loop configuration, and surface is laid with triangle grind one's teeth in sleep (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420168707.9U CN203856439U (en) | 2014-04-04 | 2014-04-04 | Novel milling shoe fishing barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420168707.9U CN203856439U (en) | 2014-04-04 | 2014-04-04 | Novel milling shoe fishing barrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203856439U true CN203856439U (en) | 2014-10-01 |
Family
ID=51606301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420168707.9U Expired - Fee Related CN203856439U (en) | 2014-04-04 | 2014-04-04 | Novel milling shoe fishing barrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203856439U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425652A (en) * | 2018-01-17 | 2018-08-21 | 中国石油化工股份有限公司 | Milling guide shoe and the fishing socket for using the milling guide shoe |
| CN109306853A (en) * | 2018-09-26 | 2019-02-05 | 华蓥市铜堡初级中学 | A kind of fishing device with bridging plug milling function |
| CN112031692A (en) * | 2020-09-14 | 2020-12-04 | 北京博德世达石油技术股份有限公司 | External positioning milling composite milling shoe, and oil drilling equipment and method adopting same |
| CN112343533A (en) * | 2019-08-06 | 2021-02-09 | 中国石油天然气股份有限公司 | Well repairing tool |
-
2014
- 2014-04-04 CN CN201420168707.9U patent/CN203856439U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425652A (en) * | 2018-01-17 | 2018-08-21 | 中国石油化工股份有限公司 | Milling guide shoe and the fishing socket for using the milling guide shoe |
| CN109306853A (en) * | 2018-09-26 | 2019-02-05 | 华蓥市铜堡初级中学 | A kind of fishing device with bridging plug milling function |
| CN109306853B (en) * | 2018-09-26 | 2021-04-27 | 大庆市宏博晟达石油机械设备有限公司 | Fishing device with bridging plug milling function |
| CN112343533A (en) * | 2019-08-06 | 2021-02-09 | 中国石油天然气股份有限公司 | Well repairing tool |
| CN112031692A (en) * | 2020-09-14 | 2020-12-04 | 北京博德世达石油技术股份有限公司 | External positioning milling composite milling shoe, and oil drilling equipment and method adopting same |
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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: 20141001 Termination date: 20150404 |
|
| EXPY | Termination of patent right or utility model |