CN202431241U - Bend head fishing tool - Google Patents
Bend head fishing tool Download PDFInfo
- Publication number
- CN202431241U CN202431241U CN2012200015770U CN201220001577U CN202431241U CN 202431241 U CN202431241 U CN 202431241U CN 2012200015770 U CN2012200015770 U CN 2012200015770U CN 201220001577 U CN201220001577 U CN 201220001577U CN 202431241 U CN202431241 U CN 202431241U
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- CN
- China
- Prior art keywords
- fishing tool
- cylinder
- utility
- model
- cylindrical shell
- 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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Abstract
The utility model relates to a down-hole junk fishing tool for an oil field, in particular to a bend head fishing tool. Springs are installed in an upper joint and a cylinder of the fishing tool. The springs are placed at the upper end of a limiting cylinder. A limiting groove is opened outside the limiting cylinder and limited by a limiting bolt installed on the cylinder. A slip base is arranged at the lower end of the limiting cylinder. The slip base is installed and fixed on the cylinder. A slip is installed on an inner cone-shaped surface of the slip base. The center of a guiding shoe is designed as a waist-shaped channel. The bend head fishing tool provided by the utility model can be used to fish irregular junks directly without finishing the top which bends and deforms, and has a high fishing success rate, the construction period is reduced and the construction cost is saved. The bend head fishing tool provided by the utility model overcomes the deficiencies that the current fishing tool is long in construction period and low in efficiency, and the sleeve is easy to abrade because the top is needed to be finished first when the bend head fishing tool is used to fish irregular junks.
Description
Technical field:
The utility model relates to a kind of oil field trouble of lost tool in hole fishing tool, a particularly a kind of curved fish fishing tool.
Background technology:
The method of mainly taking to the salvaging of irregular trouble of lost tool in hole at present is; Be lowered to milling tool earlier and carry out milling; After making the top of fish reparation of irregular junk become the shape of rule, be lowered to corresponding fishing tool again and salvage, this method not only long construction period, efficient is low, success rate is low; Also, cause new down-hole accident usually the oil well casing wear-out failure.
The utility model content:
The technical problem that the utility model will solve provides an a kind of curved fish fishing tool, and this fishing tool has been realized need not repairing diastrophic top of fish, can directly salvage irregular junk, and fishing success ratio is high, reduces construction period, practices thrift construction cost.Need finishing top of fish earlier when having overcome the irregular junk of existing salvaging, long construction period, efficient is low, the deficiency of sleeve pipe easy to wear.
The technical scheme that the utility model is taked is: an a kind of curved fish fishing tool, comprise top connection, cylindrical shell, slip spider, slips and guide shoe, and top connection, cylindrical shell, guide shoe are threaded from top to bottom in order; In top connection and the cylindrical shell spring is housed; Spring places the position-limiting drum upper end; The position-limiting drum outside has stopper slot and carries out spacingly through being installed in stop screw on the cylindrical shell, and the position-limiting drum lower end is provided with slip spider, and slip spider is fixed on the cylindrical shell; On the inner conical surface of slip spider slips is installed, the center of guide shoe is designed to the passage of waist shape mouth shape.
The beneficial effect of the utility model is: the utility model is owing to adopted the passage that the center of guide shoe is designed to waist shape mouth shape; Thereby do not have and need repair diastrophic top of fish; Can directly salvage the function of irregular junk, fishing success ratio is high, reduces construction period; Improve operating efficiency, practice thrift construction cost.
Description of drawings:
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further detailed explanation.
Fig. 1 is the structural representation of the utility model.
Fig. 2 is that the A-A of Fig. 1 is to schematic cross section.
The specific embodiment:
Like Fig. 1, shown in Figure 2, an a kind of curved fish fishing tool comprises top connection 1, cylindrical shell 4, slip spider 5, slips 6 and guide shoe 7, and top connection 1, cylindrical shell 4, guide shoe 7 are threaded from top to bottom in order; In top connection 1 and the cylindrical shell 4 spring 2 is housed; Spring 2 places position-limiting drum 3 upper ends; Position-limiting drum 3 outsides have stopper slot and carry out spacingly through being installed in stop screw on the cylindrical shell 4, and position-limiting drum 3 lower ends are provided with slip spider 5, and slip spider 5 is fixed on the cylindrical shell 4; Slips 6 is installed on the inner conical surface of slip spider 5, and the center of guide shoe 7 is designed to the passage of waist shape mouth shape.
During the utility model work, top connection 1 is connected with drilling tool, transfers drilling tool when the utility model introducing fish back slowly rotates the limit, and fish continues to transfer drilling tool through the waist shape mouth shape passage of guide shoe 7, and explanation fish head arrives to grab and drags for the position when suspending weight descends.Gently carry drilling tool; The inner conical surface of the male cone (strobilus masculinus) of slips 6 and slip spider 5 fits tightly, and slips 6 internal tooths are bitten fish gently, and it is evenly afterburning to carry drilling tool on this moment is slow; Under the interior male cone (strobilus masculinus) applying effect of slip spider 5 and slips 6, produce radially clamping force fish bitten, on carry drilling tool and can pull fish out.
It is understandable that; More than about the specific descriptions of the utility model; Only be used to the utility model is described and be not to be subject to the described technical scheme of the utility model embodiment; Those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the utility model, to reach identical technique effect; As long as satisfy the use needs, all within the protection domain of the utility model.
Claims (1)
1. a curved fish fishing tool comprises top connection (1), cylindrical shell (4), slip spider (5), slips (6) and guide shoe (7), and top connection (1), cylindrical shell (4), guide shoe (7) are threaded from top to bottom in order; It is characterized in that: in top connection (1) and the cylindrical shell (4) spring (2) is housed; Spring (2) places position-limiting drum (3) upper end; Position-limiting drum (3) outside has stopper slot and carries out spacingly through being installed in stop screw on the cylindrical shell (4), and position-limiting drum (3) lower end is provided with slip spider (5), and slip spider (5) is fixed on the cylindrical shell (4); Slips (6) is installed on the inner conical surface of slip spider (5), and the center of guide shoe (7) is designed to the passage of waist shape mouth shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200015770U CN202431241U (en) | 2012-01-04 | 2012-01-04 | Bend head fishing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200015770U CN202431241U (en) | 2012-01-04 | 2012-01-04 | Bend head fishing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202431241U true CN202431241U (en) | 2012-09-12 |
Family
ID=46780701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200015770U Expired - Fee Related CN202431241U (en) | 2012-01-04 | 2012-01-04 | Bend head fishing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202431241U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806187A (en) * | 2014-01-27 | 2015-07-29 | 牡丹江宏冈石油工具厂 | Non-metal continuous oil tube catch sleeve |
-
2012
- 2012-01-04 CN CN2012200015770U patent/CN202431241U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806187A (en) * | 2014-01-27 | 2015-07-29 | 牡丹江宏冈石油工具厂 | Non-metal continuous oil tube catch sleeve |
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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: 20120912 Termination date: 20130104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |