CN205876252U - Drag for lance in steel wire length type - Google Patents
Drag for lance in steel wire length type Download PDFInfo
- Publication number
- CN205876252U CN205876252U CN201620792366.1U CN201620792366U CN205876252U CN 205876252 U CN205876252 U CN 205876252U CN 201620792366 U CN201620792366 U CN 201620792366U CN 205876252 U CN205876252 U CN 205876252U
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- CN
- China
- Prior art keywords
- steel wire
- salvaging
- lance
- salvage
- sheet
- 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.)
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Abstract
The utility model discloses a drag for lance in steel wire length type, include: fishing neck, its upper portion of dragging for the lance including setting up can the connecting tool cluster, and the salvage piece, it includes first salvage piece, second salvage piece and third salvage piece, the three all fixes the fishing neck lower extreme to three's length diverse, the spearhead, it is fixed on the salvage piece, and including two at least spearheads on every salvage piece, can salvage the well steel wire. Adopt drag for lance in steel wire length type to carry out the steel wire and salvage, when salvaging, because 3 salvage piece length are inconsistent, can form the point of 3 differences, make the grapple and the contact type of the well steel wire that falls change to the grapple is carried out in inserting the well steel wire to the point contact, can not only salvage the well steel wire that falls in simple environment, the salvage of the well steel wire that can also fall in the environment of complicacy simultaneously, the success rate of can effectual improvement salvaging the steel wire.
Description
Technical field
This utility model drags for lance in relating to a kind of long short of steel wire, belongs to steel wire operation field.
Background technology
Steel wire operation is through steel wire and cable mechanical the raising and decentralizing and jarring of utilization being wrapped on winch,
Reach the operation that downhole tool is operated.Steel wire operation is in marine, Oil/gas Well operation in a very important job
Hold, there is the features such as equipment is simple, cheap, lightweight, simple to operate, applied widely and be prone to go into the well, in operation
Most widely used general.
At present, steel wire operation is widely present in oilfield exploitation procedure, and test jobs of such as logging well, pulling operation etc. are big
Part is all to select steel wire to carry out.But owing to tensile strength of wire is relatively small, once at well in Oil/gas Well operation process
Meet card in cylinder to be hampered, deal with improperly and easily cause steel wire to break, form fish, later stage well logging test and measure operation are caused shadow
Ringing, dealing with improperly if salvaging, in some instances it may even be possible to cause Oil/gas Well stopping production well workover inspection pipe.Therefore, suitable steel wire fishing machine is selected to exist
Actual production process has the highest using value.But drag for lance in existing many employings of steel wire salvaging instrument, existing in drag for
Lance has 3 grapples more, and the length of 3 grapples is consistent, and the instrument of this structure is in the simple underground work of environment
It is also possible that but when running into down-hole complex environment, due to this kind of steel wire salvaging instrument 3 grapples a length of unanimously
, bottom in the most ring-type, the effect that can only push away under playing when operation, and can not be inserted on well steel wire body and make
Industry, makes steel wire salvaging efficiency low.
Utility model content
This utility model drags for lance in having designed and developed the long short of a kind of steel wire, it is possible to overcome existing in drag for the grapple length of lance
Unanimously, steel wire can not be picked up and make the problem pushed away under steel wire during steel wire salvaging.
The technical scheme that this utility model provides is:
Lance is dragged in a kind of long short of steel wire, including:
Beneficial effect described in the utility model
Fishing neck, it drags for the top of lance in being arranged on, it is possible to fastening means string；And
Salvaging sheet, it includes that the first salvaging sheet, the second salvaging sheet and the 3rd salvage sheet, and three is each attached to described fishing neck
Lower end, and three's length is different；
Spearhead, it is fixed on described salvaging sheet, and includes at least two spearhead on each salvaging sheet, it is possible to salvage well
Steel wire.
Preferably, described salvaging sheet is made up of elastomeric material, can glide along inner-walls of duct when salvaging, and carries out beating
Drag for, prevent steel wire from slipping through the net.
Preferably, described spearhead and described salvaging sheet form grapple structure, it is possible to drag for the steel wire ruptured.
Preferably, the angle between described spearhead and described salvaging sheet is between 40～75 °.
Preferably, the union joint of described fishing neck is rope socket formula union joint.
Preferably, described salvaging sheet and described fishing neck lower end form nonocclusive accommodation space, facilitate steel wire salvaging.
Beneficial effect described in the utility model: drag for lance in using the long short of steel wire and carry out steel wire salvaging, when salvaging, by
Salvage leaf length in 3 inconsistent, it is possible to form 3 different points, make grapple and the contact form of the well steel wire that falls changes, with point
Contact carries out grapple in inserting the well steel wire that falls, and can not only salvage the well steel wire that falls in simple environment, simultaneously can also be in complexity
Environment in carry out falling the salvaging of well steel wire, it is possible to effective improve the success rate salvaging steel wire.This product structure is simple, draws materials
Convenient, with low cost, efficiency is high, suitable for mass production and promote the use of on a large scale.
Accompanying drawing explanation
Fig. 1 is the axial cross-sectional views dragging for lance in the long short of steel wire described in the utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in further detail, to make those skilled in the art with reference to explanation
Book word can be implemented according to this.
As it is shown in figure 1, this utility model drags for lance in providing a kind of long short of steel wire, including: fishing neck 110, it is arranged on
Inside drag for the top of lance, it is possible to fastening means string, carry out down-hole steel wire salvaging, and the union joint of described fishing neck 110 is rope socket formula
Union joint；First salvages sheet 120, second salvages sheet 130 and the 3rd salvaging sheet 140, and one end of three is separately fixed at described
The lower end of fishing neck 110, and the length of described first salvaging sheet the 120, second salvaging sheet 130 and the 3rd salvaging sheet 140 is each
Differ, and form nonocclusive accommodation space with the lower end of described fishing neck 110；At least two lance is included on each salvaging sheet
Point 150, its formed with described salvaging sheet the angle between grapple structure, and described spearhead 150 and described salvaging sheet be 40～
75 °, it is possible to effectively drag for the steel wire ruptured.Described salvaging sheet has elasticity, can glide along inner-walls of duct when salvaging,
Salvage, prevent steel wire from slipping through the net.
During salvaging, rope socket union joint connects tool string, by interior drag for lance send into down-hole, due to first salvage sheet 120,
Second salvages sheet 130 and the 3rd, and to salvage sheet length each other different, therefore forms 3 different points, make grapple with
The fall contact form of well steel wire is by the most ring-type point type that changes into, and each salvaging sheet is respectively provided with elasticity, glides along inner-walls of duct,
Salvage.
After dragging for lance in the long short of steel wire and touching well steel wire, press under continuing, make grapple allow in inserting well steel wire and grab
Spearhead on hook catches on well steel wire, then on put forward the long short of steel wire in drag for lance, make the well steel wire that falls on grapple drag for lance along with interior
Return to ground together, complete a fishing, reach to salvage the purpose of well steel wire, steel wire is taken off, carry out next time
Salvage.
Drag for lance in using the long short of steel wire and carry out steel wire salvaging, when salvaging, owing to 3 salvaging leaf length are inconsistent, energy
Enough form 3 different points, make grapple and the contact form of the well steel wire that falls changes, carry out in inserting, with point cantact, the well steel wire that falls
Grapple, can not only salvage the well steel wire that falls in simple environment, beating of the well steel wire that simultaneously can also carry out falling in complex environment
Drag for, it is possible to the effective success rate improving salvaging steel wire.This product structure is simple, draws materials conveniently, and with low cost, efficiency is high, suitable
Preferably large-scale production and promoting the use of on a large scale.
Although embodiment of the present utility model is disclosed as above, but it is not restricted in description and embodiment
Listed utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art,
It is easily achieved other amendment, therefore under the general concept limited without departing substantially from claim and equivalency range, this reality
It is not limited to specific details and shown here as the legend with description with novel.
Claims (6)
1. drag for lance in the long short of steel wire, it is characterised in that including:
Fishing neck, it drags for the top of lance in being arranged on, it is possible to fastening means string；And
Salvaging sheet, it includes that the first salvaging sheet, the second salvaging sheet and the 3rd salvage sheet, and three is each attached under described fishing neck
End, and three's length is different；
Spearhead, it is fixed on described salvaging sheet, and includes at least two spearhead on each salvaging sheet, it is possible to salvage well steel
Silk.
Lance is dragged for, it is characterised in that described salvaging sheet is by elastomeric material system in the long short of steel wire the most according to claim 1
Become, can glide along inner-walls of duct when salvaging, salvage, prevent steel wire from slipping through the net.
Lance is dragged for, it is characterised in that described spearhead and described salvaging sheet are formed in the long short of steel wire the most according to claim 1
Grapple structure, it is possible to drag for the steel wire ruptured.
Lance is dragged for, it is characterised in that between described spearhead and described salvaging sheet in the long short of steel wire the most according to claim 3
Angle be between 40～75 °.
Lance is dragged for, it is characterised in that the union joint of described fishing neck is rope socket in the long short of steel wire the most according to claim 1
Formula union joint.
Lance is dragged for, it is characterised in that under described salvaging sheet and described fishing neck in the long short of steel wire the most according to claim 1
End forms nonocclusive accommodation space, facilitates steel wire salvaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620792366.1U CN205876252U (en) | 2016-07-21 | 2016-07-21 | Drag for lance in steel wire length type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620792366.1U CN205876252U (en) | 2016-07-21 | 2016-07-21 | Drag for lance in steel wire length type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205876252U true CN205876252U (en) | 2017-01-11 |
Family
ID=57698651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620792366.1U Active CN205876252U (en) | 2016-07-21 | 2016-07-21 | Drag for lance in steel wire length type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205876252U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915055A (en) * | 2019-04-22 | 2019-06-21 | 中国海洋石油集团有限公司 | A kind of grab skipping fishing rope device |
-
2016
- 2016-07-21 CN CN201620792366.1U patent/CN205876252U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915055A (en) * | 2019-04-22 | 2019-06-21 | 中国海洋石油集团有限公司 | A kind of grab skipping fishing rope device |
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| GR01 | Patent grant |