CN2725509Y - Multifunction composite fishing drum - Google Patents
Multifunction composite fishing drum Download PDFInfo
- Publication number
- CN2725509Y CN2725509Y CN 200420064563 CN200420064563U CN2725509Y CN 2725509 Y CN2725509 Y CN 2725509Y CN 200420064563 CN200420064563 CN 200420064563 CN 200420064563 U CN200420064563 U CN 200420064563U CN 2725509 Y CN2725509 Y CN 2725509Y
- Authority
- CN
- China
- Prior art keywords
- fishing
- fish
- barrel
- tooth
- junk
- 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 - Lifetime
Links
Abstract
The utility model relates to a multifunction composite fishing barrel, belonging to the underground working tool of the oil field. The upper joint of the multifunction composite fishing barrel is connected with a drilling rod. An elongated barrel is connected with the upper joint. A barrel body is connected with the elongated barrel. A fishing tooth is installed in the barrel body. A taper sleeve and a guide shoe are provided below the barrel body. Compared with the prior art, the utility model not only can fish the general fallen objects in the well, but also can proceed with the shaping and the fishing to the irregular fish-top fallen objects in the well. When the fallen objects stuck the drill, the buckled operation can be realized. When the fish top is damaged, the fishing and the buckled can be carried out. The fishing barrel has strong adaptability, wide fishing range and high fishing success ratio at one time.
Description
Technical field
The utility model relates to a kind of oilfield downhole operation instrument, definite a kind of multi-functional combination fishing socket of salvaging junk in multiple difference " top of fish " well of saying so.
Background technology
At present, fishing socket is widely used in petroleum industry oil, gas field oil, well overhaul, salvages junk in the well when measure is safeguarded.But the fishing socket of the irregular junk of existing salvaging " top of fish " exists the execute-in-place difficulty big, can not back-off when junk is met card, but the fishing socket of back-off exist and can not carry out problems such as shaping irregular " top of fish ", fishing success ratio is low.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of with shaping tapered sleeve and cylindrical shell, salvage the tooth reasonable combination, can salvage multiple different junks in oil, gas, the well well, the multi-functional combination fishing socket that fishing success ratio is high.
The technical scheme that realizes the foregoing invention purpose is: comprise top connection, cylindrical shell and guide shoe, it is characterized in that top connection is connected with drilling rod, the lengthening tube is connected with top connection, cylindrical shell links to each other with the lengthening tube, salvages tooth and is installed in inner barrel, and tapered sleeve and guide shoe are positioned at below the cylindrical shell.
Compared with prior art, the utility model has the advantages that: can salvage junk in the general well, also can carry out shaping and salvaging irregular in the well " top of fish " junk.This barrel structure is reasonable, only needs the power of 40KN just can finish shaping to irregular " top of fish " through test, and execute-in-place is very simple.When the junk bit freezing, can realize back-off operation.When junk " top of fish " was damaged, damaged " top of fish " can pass the salvaging tooth, entered the lengthening tube, even entered in the top rod, guaranteed to salvage tooth and bit the intact position of junk, realized the salvaging to damaged " top of fish " junk.The utility model compliance is strong, and the salvaging scope is wide, salvages the one-time success rate height.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, the utility model reasonably is combined into one by four parts." fish " dials in 6 designs of part-guide shoe at foot, " top of fish " trim part-shaping tapered sleeve 5 is positioned at the top of guide shoe 6, salvage, above back-off part-salvaging tooth 4 and cylindrical shell 3 are positioned at shaping tapered sleeve 5, damaged " top of fish " pack into part-lengthening tins 2 be positioned at cylindrical shell 3 above, topmost is a connector 1.Wherein lengthening tube 2 is connected with top connection 1, cylindrical shell 3 is connected with lengthening tube 2, salvaging tooth 4 is installed in the inside of cylindrical shell 3, the bottom of salvaging tooth 4 cooperates with shaping tapered sleeve 5, " " in time, do not damage and salvages tooth 4 to go into fish to guarantee to salvage damaged " top of fish ", with its upper design is through hole, and the through hole of salvaging tooth 4 is slightly larger than the junk external diameter, can allow damaged " top of fish " up passing through.Shaping tapered sleeve 5 and guide shoe 6 be positioned at cylindrical shell 3 below.Lengthening tube 2 be used to pack into " top of fish " and damaged portion, guarantee to salvage tooth 4 and bite " fish " intact part, realize salvaging.In addition, the through hole of top connection 1 is slightly larger than junk, cooperates the very long breakage " top of fish " of can packing into lengthening tube 2, salvaging tooth 4.
When there is junk the down-hole, drilling rod is connected in the top connection 1, the fishing socket G.I.H.When in the process of going into the well, meeting junk " top of fish ", rotate drill string, dial in by guide shoe 6, be pressed into shaping by shaping tapered sleeve 5, continue to transfer drill string, push away salvaging tooth 4 on the junk and leave the cylindrical shell taper hole, has elasticity owing to salvage tooth 4, junk withstands salvages 4 times conical surfaces of tooth, salvages tooth 4 and opens, and junk-" top of fish " enters.Damaged " top of fish " can continue to enter top lengthening tube 2 by salvaging the through hole on the tooth 4, when " top of fish " of breakage is very long, can continue to enter in the top rod by top connection 1.Salvage tooth 4 minimum latus rectums and be slightly less than " fish " external diameter, produce clamping force just, on carry drill string, cylindrical shell 3 is up, salvages in tooth 4 and the cylindrical shell 3 male cone (strobilus masculinus)s and fits, and produces radially clamping force, can bite in the well junk and it is pulled out.Meet card when junk, can not normally pull out, when needing back-off, the counter-rotating drill string imposes anti-torsion, and torsion is passed to by the key of cylindrical shell 3 and salvaged tooth 4, and bottom junk joint is unclamped, and promptly realizes back-off operation.
Claims (1)
1, a kind of multi-functional combination fishing socket comprises top connection, cylindrical shell and guide shoe, it is characterized in that top connection is connected with drilling rod, and the lengthening tube is connected with top connection, and cylindrical shell links to each other with the lengthening tube, salvages tooth and is installed in inner barrel, and tapered sleeve and guide shoe are positioned at below the cylindrical shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420064563 CN2725509Y (en) | 2004-06-01 | 2004-06-01 | Multifunction composite fishing drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420064563 CN2725509Y (en) | 2004-06-01 | 2004-06-01 | Multifunction composite fishing drum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2725509Y true CN2725509Y (en) | 2005-09-14 |
Family
ID=35040229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420064563 Expired - Lifetime CN2725509Y (en) | 2004-06-01 | 2004-06-01 | Multifunction composite fishing drum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2725509Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150415A (en) * | 2016-07-01 | 2016-11-23 | 陕西延长石油装备制造有限公司 | A kind of multifunctional pumping rod fisher and method of work thereof |
| CN106285539A (en) * | 2015-05-15 | 2017-01-04 | 中国石油天然气股份有限公司 | Shaping fishing string |
-
2004
- 2004-06-01 CN CN 200420064563 patent/CN2725509Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285539A (en) * | 2015-05-15 | 2017-01-04 | 中国石油天然气股份有限公司 | Shaping fishing string |
| CN106150415A (en) * | 2016-07-01 | 2016-11-23 | 陕西延长石油装备制造有限公司 | A kind of multifunctional pumping rod fisher and method of work thereof |
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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 | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140601 Granted publication date: 20050914 |