CN208252072U - A kind of oil drilling wear resistant shoe - Google Patents
A kind of oil drilling wear resistant shoe Download PDFInfo
- Publication number
- CN208252072U CN208252072U CN201820000973.9U CN201820000973U CN208252072U CN 208252072 U CN208252072 U CN 208252072U CN 201820000973 U CN201820000973 U CN 201820000973U CN 208252072 U CN208252072 U CN 208252072U
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- hydrophthalmia
- cutter head
- alloy cutter
- main body
- junk mill
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Abstract
The utility model discloses a kind of oil drilling wear resistant shoes, including junk mill main body, one end fusion weld of the junk mill main body is fixedly connected with top connection, the junk mill main center is equipped with main hydrophthalmia, the main hydrophthalmia, which mutually passes through, is connected with side hydrophthalmia, the side hydrophthalmia perforation is connected with bottom water eye, junk mill main body one end melting welding is fixedly connected with tool apron, the tool apron is equipped with alloy cutter head, the alloy cutter head and tool apron surface are coated with wearing layer, the side of the junk mill main body is equipped with chip space, and the utility model, structure is simple, reliable, low in cost and efficient；Main hydrophthalmia, side hydrophthalmia and bottom water eye, backwash rate are high, range is wide, and alloy cutter head is integrated with tool apron, is not easy to loosen, grinding efficiency is significant, and alloy cutter head has certain tilt angle, when grinding, convenient for chip removal, the proportion of goods damageds are reduced, alloy cutter head one end is arc-shaped, uniform force, labor intensity is effectively reduced, working efficiency is improved.
Description
Technical field
The utility model relates to oil gas field underground specific purpose tool technical field, specially a kind of oil drilling wear resistant shoe.
Background technique
Tian Jing all under the casing tubing string that is formed of the fixed bunch tube of useful cement.During oil field development, due to ground
Layer movement and the influence of other various factors, a lot of oil-water wells can not be layered since casing damages by normal production programme tripping in
Tubing string, therefore, it is necessary to carry out " overhaul ".There is a procedure to be called " milling " during overhaul, " milling " is using one kind
Dedicated grinding tool is ground, and effect is that the channel for damaging its set is opened, and has been conducive to going on smoothly for next process.According to having
It closes and is introduced on reference book, be the downhole tool of single-stage milling in existing casing in milling class tool.Such as, " flat-bottom grind shoes ",
" concave surface junk mill ", " interior milling shoe ", " flat (concave surface) junk mill of bonding principal column ", " pyriform junk mill ", " bobbin type flat-bottom grind shoes " etc.
Junk mill is a kind of downhole tool for handling down-hole accident, milling trouble of lost tool in hole, is mainly used for milling connector, bores
The trouble of lost tool in hole such as bar, oil pipe, bit cone, since flat-bottom grind shoes are YD alloy and wear-resistant material by its bottom in bit pressure
Under the action of, junk is eaten and grinds, abrasive dust goes out ground with circulation well cleanup liquid band, is widely used because of its grinding efficiency height.
But existing junk mill is unable to fast cooling, causes in grinding process there are the quantity of bottom hole for water spraying is very few, cutter head
A large amount of heat is generated, it is damaged；Side discharge slot is excessively narrow, cannot in time exclude the scrap of grinding, make to give up
Bits enter water injection hole, easily cause blocking；Bottom clearance surface be it is flat, be unfavorable for quick chip removal；Cutter head and tool apron are easy to loosen, and make
The problems such as bit interface is prone to wear causes labor intensity in work to improve, and working efficiency reduces.
Utility model content
The purpose of this utility model is to provide a kind of oil drilling wear resistant shoe, hole for water spraying setting is reasonable, side discharge
Slot chip removal ability is strong, and alloy cutter head is fastened as a whole with tool apron, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of oil drilling wear resistant shoe, including mill
Shoes main body, one end fusion weld of the junk mill main body are fixedly connected with top connection, and the junk mill main center is equipped with main hydrophthalmia, institute
It states main hydrophthalmia and mutually passes through and be connected with side hydrophthalmia, the side hydrophthalmia perforation is connected with bottom water eye, and junk mill main body one end melting welding is fixed
It is connected with tool apron, the tool apron is equipped with alloy cutter head, and the alloy cutter head and tool apron surface are coated with wearing layer, the junk mill master
The side of body is equipped with chip space.
Preferably, one end of the alloy cutter head is arc-shaped.
Preferably, the side hydrophthalmia is the angling hole being at an angle to the horizontal surface, and quantity is 6, is connected to main hydrophthalmia.
Preferably, the chip space is groove, and there are two side hydrophthalmias for inside connection, and are evenly distributed in junk mill main body,
Quantity is 6.
Preferably, the alloy cutter head and tool apron are an entirety.
Preferably, the main hydrophthalmia is connected to side hydrophthalmia, and the side hydrophthalmia is connected to bottom water eye.
Preferably, the alloy cutter head tilts certain angle, interior low outer height to the center of tool apron.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model, structure are simple, reliable, low in cost and efficient；
2, be equipped with main hydrophthalmia, side hydrophthalmia and bottom water eye, main hydrophthalmia be it is leading, side hydrophthalmia and bottom water eye are auxiliary, and flushing is by force
Degree is high, and range is wide；
3, alloy cutter head and tool apron are integrated, and are not easy to loosen, grinding efficiency is significant；
4, alloy cutter head has certain tilt angle, when grinding, is convenient for chip removal, also reduces the proportion of goods damageds of cutter head；
5, alloy cutter head one end is arc-shaped, and uniform force damages cutter head when preventing starting.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model alloy cutter head and tool apron；
Fig. 3 is the structural schematic diagram of the utility model chip space；
Fig. 4 is the structural schematic diagram of the utility model junk mill main body bottom end.
In figure: 1 top connection, 2 junk mill main bodys, 3 main hydrophthalmias, 4 chip spaces, 5 side hydrophthalmias, 6 alloy cutter heads, 7 tool aprons, 8 bottom waters
Eye, 9 wearing layers.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: the oil drilling wear resistant shoe, a kind of petroleum drilling
Well wear resistant shoe, including junk mill main body 2, one end fusion weld of the junk mill main body 2 are fixedly connected with top connection 1, the junk mill
2 center of main body is equipped with main hydrophthalmia 3, and main 3 phase of hydrophthalmia, which is passed through, is connected with side hydrophthalmia 5, and the perforation of side hydrophthalmia 5 is connected with bottom water eye
8,2 one end melting welding of junk mill main body is fixedly connected with tool apron 7, and the tool apron 7 is equipped with alloy cutter head 6, the alloy cutter head 6 with
7 surface of tool apron is coated with wearing layer 9, and the side of the junk mill main body 2 is equipped with chip space 4.
Specifically, one end of the alloy cutter head 6 is arc-shaped.
Specifically, the side hydrophthalmia 5 is the angling hole being at an angle to the horizontal surface, quantity is 6, is connected with main hydrophthalmia 3
It is logical.
Specifically, the chip space 4 is groove, there are two side hydrophthalmias 5 for inside connection, and are evenly distributed in junk mill main body 2
On, quantity is 6.
Specifically, the alloy cutter head 6 is an entirety with tool apron 7.
Specifically, the main hydrophthalmia 3 is connected to side hydrophthalmia 5, the side hydrophthalmia 5 is connected to bottom water eye 8.
Specifically, the alloy cutter head 6 tilts certain angle, interior low outer height to the center of tool apron 7.
Working principle: it in use, worker is attached by top connection 1 with drilling rod, after the completion of connection, checks whether solid
It is fixed, then drilling rod is slowly fallen at fish, starts drilling machine, since one end of alloy cutter head 6 is arc-shaped, and it is lean-in
Tiltedly certain angle, uniform force not will cause paroxysmal destruction, and the alloy cutter head 6 of rotation carries out lasting mill to fish
It cuts, because tool apron 7 and alloy cutter head 6 are integrated, to maintain the stability of alloy cutter head 6, reduces its spoilage, and its
The wearing layer 9 on surface then ensure that the efficiency and quality of grinding, and in grinding process, main hydrophthalmia 3, side hydrophthalmia 5 and bottom water eye 8 are held
Continuous water outlet, had both reduced the temperature at cutter head center and edge, and had also played the effect of lubrication, and be ground the clast of generation with chip removal
Slot 4 is transported to junk mill upper end, and will not result in blockage situation, easy to use, improves work efficiency.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of oil drilling wear resistant shoe, including junk mill main body (2), it is characterised in that: one end of the junk mill main body (2) is molten
Melt weldering to be fixedly connected with top connection (1), junk mill main body (2) center is equipped with main hydrophthalmia (3), main hydrophthalmia (3) Xiang Guanlian
It is connected to side hydrophthalmia (5), side hydrophthalmia (5) perforation is connected with bottom water eye (8), and junk mill main body (2) one end melting welding is fixed to be connected
It is connected to tool apron (7), the tool apron (7) is equipped with alloy cutter head (6), and the alloy cutter head (6) is coated with wear-resisting with tool apron (7) surface
The side of layer (9), the junk mill main body (2) is equipped with chip space (4).
2. a kind of oil drilling wear resistant shoe according to claim 1, it is characterised in that: the one of the alloy cutter head (6)
End is arc-shaped.
3. a kind of oil drilling wear resistant shoe according to claim 1, it is characterised in that: the side hydrophthalmia (5) is and water
The angling hole of plane at an angle, quantity are 6, are connected to main hydrophthalmia (3).
4. a kind of oil drilling wear resistant shoe according to claim 1, it is characterised in that: the chip space (4) is groove,
There are two side hydrophthalmia (5) for inside connection, and are evenly distributed on junk mill main body (2), and quantity is 6.
5. a kind of oil drilling wear resistant shoe according to claim 1, it is characterised in that: the alloy cutter head (6) and knife
Seat (7) is an entirety.
6. a kind of oil drilling wear resistant shoe according to claim 1, it is characterised in that: the main hydrophthalmia (3) and side water
Eye (5) connection, the side hydrophthalmia (5) are connected to bottom water eye (8).
7. a kind of oil drilling wear resistant shoe according to claim 1, it is characterised in that: the alloy cutter head (6) is to knife
The center of seat (7) tilts certain angle, interior low outer height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820000973.9U CN208252072U (en) | 2018-01-02 | 2018-01-02 | A kind of oil drilling wear resistant shoe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820000973.9U CN208252072U (en) | 2018-01-02 | 2018-01-02 | A kind of oil drilling wear resistant shoe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208252072U true CN208252072U (en) | 2018-12-18 |
Family
ID=64619864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820000973.9U Active CN208252072U (en) | 2018-01-02 | 2018-01-02 | A kind of oil drilling wear resistant shoe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208252072U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113027372A (en) * | 2020-11-12 | 2021-06-25 | 北京博德世达石油技术股份有限公司 | Novel wear-resisting high-efficient junk mill |
| CN115142805A (en) * | 2022-06-09 | 2022-10-04 | 淮安市井神钻采机具有限公司 | Composite milling shoe |
-
2018
- 2018-01-02 CN CN201820000973.9U patent/CN208252072U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113027372A (en) * | 2020-11-12 | 2021-06-25 | 北京博德世达石油技术股份有限公司 | Novel wear-resisting high-efficient junk mill |
| CN115142805A (en) * | 2022-06-09 | 2022-10-04 | 淮安市井神钻采机具有限公司 | Composite milling shoe |
| CN115142805B (en) * | 2022-06-09 | 2024-06-04 | 淮安市井神钻采机具有限公司 | Composite grinding shoes |
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