CN206785351U - A kind of dissolvable slips and bridging plug - Google Patents
A kind of dissolvable slips and bridging plug Download PDFInfo
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- CN206785351U CN206785351U CN201720071330.9U CN201720071330U CN206785351U CN 206785351 U CN206785351 U CN 206785351U CN 201720071330 U CN201720071330 U CN 201720071330U CN 206785351 U CN206785351 U CN 206785351U
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- slips
- dissolvable
- bridging plug
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Abstract
The utility model provides a kind of dissolvable slips and bridging plug.The dissolvable slips includes slips main body and slip insert, wherein, the slips main body is made up of soluble material, and the soluble material can be dissolved in response to solvent；The slip insert is made of high strength alloy material, and is welded to slips body surfaces using welding procedure.The utility model can reduce the volume and quality of insoluble material to greatest extent, avoid insoluble material from blocking pipeline and be easy to the row of returning, meanwhile, workover cost is saved, is increased economic efficiency.
Description
Technical field
It the utility model is related to oil well drilling and production technology field, more particularly to a kind of dissolvable slips and bridging plug.
Background technology
Major part oil field in China's has been enter into exploitation stage intermediary and later stages at present, and oil recovery difficulty is increasing, hole condition is more and more multiple
Miscellaneous, well workover task also becomes more and more heavier；At the same time, the labor intensity of well workover worker is very high, the environmental condition of well workover
Also it is very severe.So for the labor intensity for improving well workover efficiency, mitigating well workover worker, wellhead equipment mechanization becomes
The Main way of research.
Wherein, during oil and gas well testing, it is necessary to be divided using bridge blinding when carrying out the operation such as multiple zone completion, temporary transient interlayer
Layer instrument carries out Oil-gas Separation, such as：Maintenance personal is when testing Oil/gas Well, it is necessary to block well head packing oil with bridging plug
Gas is to prevent Oil/gas Well oil spout.And slips is an important component in bridging plug, for clamping and drilling rod, the brill for going into the well are hung
Quickly, the instrument such as power drilling tool, sleeve pipe.
As shown in figure 1, be bridging plug structural representation, bridging plug in the course of the work, by being added at bridging plug central tube
Press and heaved so as to set after rubber is pressurized, set after rubber is heaved and well head is set, wherein, upper slipses and lower slipses pass through
Slip insert is fixed on bridging plug, on the one hand prevents from setting in rubber that pressure is excessive to be destroyed, and is on the other hand played fixation and being set
The effect of rubber.
During the utility model is realized, inventor has found following technical problem in the prior art at least be present：
At present, China's drilling well typically uses insoluble slips with slips, and this insoluble slips typically uses ferrous material
It is made, the larger slip insert of volume is mounted to inside slips with immobilising device by way of punching, this slips is in well workover
After the completion of operation, labor intensive, material resources are larger during releasing slips, sometimes even occur that slips is difficult to the feelings released
Condition, so as to cause whole oil field unavailable.
Utility model content
A kind of dissolvable slips and bridging plug provided by the utility model, the body of insoluble material can be reduced to greatest extent
Product, insoluble material is avoided to block pipeline, meanwhile, workover cost is saved, is increased economic efficiency.
In a first aspect, the utility model provides a kind of dissolvable slips, including slips main body and slip insert, wherein,
The slips main body is made up of soluble material, and the soluble material can be dissolved in response to solvent；
The slip insert is made of high strength alloy material, and is welded to slips body surfaces using welding procedure.
Alternatively, the soluble material is aluminium alloy or magnesium alloy materials.
Alternatively, the solvent is water.
Alternatively, the welding procedure is ion-conductance welding technology or laser welding technology.
Second aspect, the utility model provide a kind of bridging plug, and the bridging plug includes above-mentioned dissolvable slips.
Alternatively, the dissolvable slips is fixed on by way of snapping on the bullet of the bridging plug.
The dissolvable slips and bridging plug that the utility model embodiment provides, closed by using the aluminium alloy or magnesium for being dissolved in water
Golden material makes slips, and the dissolvable slips is fixed on the bullet of bridging plug, can reduce to greatest extent insoluble
The volume of material, insoluble material is avoided to block pipeline, meanwhile, workover cost is saved, is increased economic efficiency.
Brief description of the drawings
Fig. 1 is bridging plug structural representation in the prior art；
Fig. 2 is the structural representation that the embodiment of the utility model one can dissolve slips.
Reference：101：Release pin mounting hole；102：Central tube；103rd, prevent setting pin mounting hole；104：Upper card
Watt；105：Self-locking ring；106：Upper cone；107：Protrusion-dispelling spacer ring；108：Set rubber； 109：Lower cone；110：Lower slipses；
111：Inclined-plane lower contact；11：Slips main body；12：Slip insert.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is only the utility model part of the embodiment, rather than whole embodiments.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
The utility model provides a kind of slips, as shown in Fig. 2 including slips main body 11 and slip insert 12, wherein,
The slips main body 11 is made up of soluble material, and the soluble material can be dissolved in response to solvent；
The slip insert 12 is made of high strength alloy material, and is welded to the table of slips main body 11 using welding procedure
Face.
The dissolvable slips and bridging plug that the utility model embodiment provides, by using the aluminium alloy or magnesium for being dissolved in salt solution
Alloy material makes slips, and the dissolvable slips is fixed on the bullet of bridging plug, can reduce to greatest extent not
The volume of molten material, insoluble material is avoided to block pipeline, meanwhile, workover cost is saved, is increased economic efficiency.
Alternatively, the soluble material is aluminium alloy or magnesium alloy materials.
Alternatively, the solvent is salt solution.
Specifically, in the aqueous solvent electrochemistry can occur for the slips made of aluminium alloy or magnesium alloy materials
Reaction, and then the dissolvable slips is dissolved.
Alternatively, the welding procedure is ion-conductance welding technology or laser welding technology.
Specifically, the dissolvable slips can be according to real time needs, by allocating aluminium element in the aluminium alloy
The dissolution velocity different from the acquisition of the ratio of gallium element and phosphide element.
Specifically, the dissolvable slips can be according to real time needs, by allocating magnesium elements in the magnesium alloy
The dissolution velocity different from the acquisition of the ratio of Zn-ef ficiency and manganese element.
Alternatively, the quantity of the slip insert determines according to slips pressure-bearing size.
The utility model embodiment also provides a kind of bridging plug, and the bridging plug includes above-mentioned dissolvable slips.
Alternatively, the dissolvable slips is fixed on by way of snapping on the bullet of the bridging plug.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art is in the technical scope that the utility model discloses, the change that can readily occur in
Change or replace, should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with power
The protection domain that profit requires is defined.
Claims (7)
- A kind of 1. dissolvable slips, it is characterised in that including slips main body and slip insert, wherein,The slips main body is made up of soluble material, and the soluble material can be dissolved in response to solvent；The slip insert is made of high strength alloy material, and is welded to slips body surfaces using welding procedure.
- 2. dissolvable slips according to claim 1, it is characterised in that the soluble material is aluminium alloy or magnesium alloy Material.
- 3. dissolvable slips according to claim 1, it is characterised in that the solvent is salt solution.
- 4. dissolvable slips according to claim 1, it is characterised in that the welding procedure is ion-conductance welding technology or swashed Flush weld connection technology.
- 5. dissolvable slips according to claim 1, it is characterised in that the quantity of the slip insert is big according to slips pressure-bearing Small determination.
- 6. a kind of bridging plug, it is characterised in that the bridging plug includes the dissolvable slips as any one of claim 1 to 5.
- 7. bridging plug according to claim 6, it is characterised in that the dissolvable slips is fixed on institute by way of snapping State on the bullet of bridging plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720071330.9U CN206785351U (en) | 2017-01-20 | 2017-01-20 | A kind of dissolvable slips and bridging plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720071330.9U CN206785351U (en) | 2017-01-20 | 2017-01-20 | A kind of dissolvable slips and bridging plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206785351U true CN206785351U (en) | 2017-12-22 |
Family
ID=60704917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720071330.9U Active CN206785351U (en) | 2017-01-20 | 2017-01-20 | A kind of dissolvable slips and bridging plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206785351U (en) |
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2017
- 2017-01-20 CN CN201720071330.9U patent/CN206785351U/en active Active
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