CN201771455U - Cut-and-thread fishing tool for broken fish-tops - Google Patents
Cut-and-thread fishing tool for broken fish-tops Download PDFInfo
- Publication number
- CN201771455U CN201771455U CN2010205098075U CN201020509807U CN201771455U CN 201771455 U CN201771455 U CN 201771455U CN 2010205098075 U CN2010205098075 U CN 2010205098075U CN 201020509807 U CN201020509807 U CN 201020509807U CN 201771455 U CN201771455 U CN 201771455U
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- CN
- China
- Prior art keywords
- fishing
- fish
- tops
- cut
- success rate
- 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 relates to a cut-and-thread fishing tool for broken fish-tops, which is high in success rate and suitable for fishing oil pipes with broken fish-tops or fishing non-joint-hoop coiled tubing. When in oil well operation, underground instruments are often blocked or jammed and the like, the cut-and-thread fishing method with higher success rate and safety is widely adopted by construction units always to fish falling instruments, but existing fishing tools can only be suitable for fishing regular tubing and is easy to slip when being used for fishing broken fish-tops or non-joint-hoop coiled tubing, thereby increasing fishing difficulty and having lower success rate. The cut-and-thread fishing tool is characterized in that slips are arranged in a fishing barrel, and falling articles can be clamped and held by the aid of radial force of the slips, thereby achieving high success rate. A longer high-strength seamless pipe is arranged above the fishing barrel, thereby increasing adaptability to fishing of falling articles with broken fish-tops and the non-joint-hoop coiled tubing. The cut-and-thread fishing tool for broken fish-tops is simple in use and convenient in maintenance, and reduces fishing frequency effectively.
Description
Technical field
The utility model relates to a kind of damaged top of fish punching fishing tool.
Background technology
In the oil well operation, through accidents such as regular meeting's generator device are hampered, are blocked in the down-hole, along with increasing of complex working conditions such as deep-well, ultradeep well, complicated well, the accident occurrence frequency also improves gradually.For instrument is salvaged from the down-hole safely, following drilling tool is salvaged with fishing socket and the punching salvaging is the Refloatation method of using always.Wherein, punching is salvaged has higher success rate and safety, is extensively adopted by unit in charge of construction unit.Present fishing tool can only adapt to the salvaging of regular oil pipe, when running into top of fish breakage or the salvaging of non-joint hoop coiled tubing, is prone to slippage, increased the difficulty of salvaging, and success rate is lower.
Summary of the invention
The purpose of this utility model provides a kind of success rate height, is applicable to the damaged top of fish punching fishing tool of do fishing bursting damage oil pipe or non-joint hoop coiled tubing.
The technical scheme that the utility model adopted is:
Damaged top of fish punching fishing tool includes dipper, and it is characterized in that: described dipper inwall is provided with slips; Described dipper top is provided with the high strength seamless pipe.
Described dipper lower end is provided with guide shoe.
The length of described high strength seamless pipe is greater than the joint length of fish tubing string.
The utlity model has following advantage:
The utility model is provided with slips in dipper, utilize its radially clamping force guide and support junk, the success rate height; Long high strength seamless pipe is set above dipper, improves the compliance of salvaging damaged top of fish junk and Fei Jie hoop coiled tubing.
Description of drawings
Fig. 1 is the utility model structure chart.
Among the figure, 1-high strength seamless pipe, 2-dipper, 3-slips, 4-guide shoe.
The specific embodiment
Below in conjunction with the specific embodiment and accompanying drawing the utility model is described in detail.
Described damaged top of fish punching fishing tool includes high strength seamless pipe 1, dipper 2, slips 3, guide shoe 4.Wherein, high strength seamless pipe 1 is arranged on dipper 2 tops, and slips 3 is arranged on relative position on dipper 2 inwalls.
When salvaging damaged non-joint hoop oil pipe, must guarantee that high strength seamless pipe 1 has the joint length of fish tubing string, after instrument is transferred by the guiding of guide shoe 4, damaged non-joint hoop oil pipe enters dipper 2 inside, if top of fish generation breakage of fish or oil pipe have the inclined to one side part of mill, slips 3 can act on any position of intact section of fish, this moment, slips 3 produced radially clamping force, the non-joint hoop of breakage oil pipe is dragged for, and give to step up, trip-out can be pulled out.Such technical scheme has improved the applicability of fishing tool, and the breakage of fish top of fish also need not to change the fish top of fish, and fish has the inclined to one side section of mill also can avoid intact section of direct clamping, has reduced the number of times of salvaging, and has improved the success rate of fishing tool effectively.
Claims (3)
1. damaged top of fish punching fishing tool includes dipper (2), it is characterized in that: described dipper (2) inwall is provided with slips (3); Described dipper top is provided with high strength seamless pipe (1).
2. a kind of damaged top of fish punching fishing tool according to claim 1, it is characterized in that: described dipper (2) lower end is provided with guide shoe (4).
3. a kind of damaged top of fish punching fishing tool according to claim 1, it is characterized in that: the length of described high strength seamless pipe (1) is greater than the joint length of fish tubing string.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205098075U CN201771455U (en) | 2010-08-30 | 2010-08-30 | Cut-and-thread fishing tool for broken fish-tops |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205098075U CN201771455U (en) | 2010-08-30 | 2010-08-30 | Cut-and-thread fishing tool for broken fish-tops |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201771455U true CN201771455U (en) | 2011-03-23 |
Family
ID=43751300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205098075U Expired - Fee Related CN201771455U (en) | 2010-08-30 | 2010-08-30 | Cut-and-thread fishing tool for broken fish-tops |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201771455U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196463A (en) * | 2014-08-26 | 2014-12-10 | 北京奥瑞安能源技术开发有限公司 | Operation tubular column for coal-bed gas well |
-
2010
- 2010-08-30 CN CN2010205098075U patent/CN201771455U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196463A (en) * | 2014-08-26 | 2014-12-10 | 北京奥瑞安能源技术开发有限公司 | Operation tubular column for coal-bed gas well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110323 Termination date: 20130830 |