CN201416393Y - High strength matrix diamond drill for oil drilling - Google Patents
High strength matrix diamond drill for oil drilling Download PDFInfo
- Publication number
- CN201416393Y CN201416393Y CN2009203041648U CN200920304164U CN201416393Y CN 201416393 Y CN201416393 Y CN 201416393Y CN 2009203041648 U CN2009203041648 U CN 2009203041648U CN 200920304164 U CN200920304164 U CN 200920304164U CN 201416393 Y CN201416393 Y CN 201416393Y
- Authority
- CN
- China
- Prior art keywords
- drill
- steel
- hole
- core assembly
- strength
- 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
Links
- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 19
- 239000010432 diamond Substances 0.000 title claims abstract description 19
- 238000005553 drilling Methods 0.000 title claims abstract description 19
- 239000011159 matrix material Substances 0.000 title abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 37
- 239000010959 steel Substances 0.000 claims abstract description 37
- 238000005245 sintering Methods 0.000 claims abstract description 28
- 239000000843 powder Substances 0.000 claims abstract description 6
- 230000036346 tooth eruption Effects 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims description 8
- 238000003466 welding Methods 0.000 abstract 2
- 241000125205 Anethum Species 0.000 abstract 1
- 239000001264 anethum graveolens Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000035515 penetration Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
Abstract
The utility model relates to a high strength matrix diamond drill for oil drilling, which is formed through welding a drill crown and an upper body of drill. The drill crown is obtained through sintering the matrix powder and a steel core assembly mainly. The drill crown is also provided with cutting teeth and a nozzle. The steel core assembly is obtained through welding a steel body and a steel scraper mainly. A plurality of through holes or blind holes are machined on the steel scraper so that the matrix body and the steel core assembly are connected to one member or the connecting strengthis increased thereby preventing layering and dropping-off of the drill matrix and the steel core assembly at the stressed state and greatly increasing the whole strength and toughness of the drill. Particularly to the deep chip groove dill, the strength of the drill can be better ensured, the possibility of scraper fracture is reduced, and the chip discharge efficiency is increased. At the state that the drilling safety is ensured, the drilling speed of the drill is further increased and a remarkable economic benefit is provided.
Description
Technical field
The utility model relates to the high strength carcass diamond bit that a kind of oil drilling is used.
Background technology
In recent years, diamond bit has obtained using widely in the oil drilling engineering.Along with the improvement of drilling technology, also require more and more faster to the rate of penetration of diamond bit.In order to adapt to the demand of the high drilling speed of drilling well, the chip area of diamond bit has the trend of progressively deepening, and the intensification of chip area has weakened the drill bit bulk strength, thereby causes the situation of the diamond bit breaking wing to happen occasionally.
Summary of the invention
In order to address the above problem, the utility model provides a kind of novel high strength carcass diamond bit, and it is low to solve existing drill bit intensity, the technical problem of easily broken wing.
For achieving the above object, the technical solution adopted in the utility model is: oil drilling high strength carcass diamond bit, mainly be welded to form by drill bit and drill bit upper body, this drill bit is mainly formed by carcass powder and steel core assembly sintering, also be provided with cutting teeth and nozzle on this drill bit, this steel core assembly mainly is welded by steel body and steel body scraper, it is characterized in that, this steel body scraper is provided with the sintering hole.
This sintering hole is through hole, blind hole or both combinations.
This sintering hole is a circular port.
The diameter of this circular port is greater than 1mm.
The diameter of this circular port is 10mm.
This sintering hole is the key-way shape hole, and the width in this key-way shape hole is greater than 1mm.
This sintering hole is the combination of key-way shape hole and circular port.
Except circular port and key-way shape hole, this sintering hole can also be the combination of other geometry.
The utility model beneficial effect that is produced of comparing with background technology is: it has overcome the deficiency of prior art, a kind of novel high strength carcass diamond bit is provided, it has characteristics such as intensity height, applied widely, rate of penetration height, and has effectively solved the problem of the drill bit breaking wing.
Description of drawings
Fig. 1 is a drill bit structural representation of not establishing the sintering hole;
Fig. 2 is the drill bit structural representation that the utility model is provided with the sintering hole;
Fig. 3 is a drill bit structure schematic diagram of establishing the sintering hole;
Fig. 4 is the three-dimensional structure schematic diagram of steel core assembly among Fig. 3;
Fig. 5 A, 5B are the steel body blade construction schematic diagrames of establishing the sintering hole.
Description of reference numerals
The 1-cutting teeth; The 2-nozzle; 3-carcass powder; 4-steel body scraper; 5-steel body; 6-steel core assembly; 7-drill bit upper body; The 8-circular port; 9-key-way shape hole.
The specific embodiment
For structure of the present utility model and characteristics can be understood better, also be elaborated in conjunction with the accompanying drawings below with reference to embodiment.
Fig. 1 is not for establishing the drill bit structural representation in sintering hole, as shown in Figure 1, high strength carcass diamond bit of the present utility model mainly is welded by 7 liang of big parts of drill bit and drill bit upper body, drill bit is mainly formed by steel core assembly 6 and carcass powder 3 sintering, also is provided with cutting teeth 1 and nozzle 2 on this drill bit.Steel core assembly 6 is welded by steel body 5 and steel body scraper 4.
As shown in Figure 2, for further improving the intensity of drill bit among Fig. 1, the utility model can be processed a plurality of sintering hole on steel body scraper 4, and this sintering hole can be through hole, blind hole or the two combination.Carcass powder 3 is filled in described through hole or the blind hole, and it is as a whole that carcass and steel core assembly are connected into, thereby guarantees bit matrix and steel core assembly under stress, and is not stratified, do not come off, and improved the bulk strength and the toughness of drill bit greatly.Especially for the dark chip area drill bit of understratum, can better guarantee the intensity of drill bit, reduce the possibility of disconnected scraper, improve chip removal efficient.Under the situation that guarantees drilling safety, further improve the speed that drill bit creeps into, remarkable economic efficiency is arranged.
Fig. 3 is a drill bit structure schematic diagram of establishing the sintering hole, and this drill bit is tipped drill upper body 7 and forming below the drill bit of Fig. 2.
Fig. 4 is the three-dimensional structure schematic diagram of the steel core assembly 6 of drill bit among Fig. 3, and steel core assembly 6 is welded by steel body 5 and steel body scraper 4.Be arranged with a plurality of sintering hole on the rigid body scraper 4, this sintering hole is a circular port 8, and this circular port 8 can be blind hole or through hole, and its diameter is greater than 1mm.Preferably, the diameter of this circular port 8 can be 10mm, makes carcass and steel core assembly connect into as a whole by this circular port 8.
Shown in Fig. 5 A, the utility model can be processed with a plurality of sintering hole on steel body scraper 4, this sintering hole is key-way shape hole 9, and the width in this key-way shape hole 9 is greater than 1mm, this key-way shape hole 9 can be blind hole or through hole, makes carcass and steel core assembly connect into as a whole by this key-way shape hole 9.
Shown in Fig. 5 B, the utility model can also process the combination in circular port 8 and key-way shape hole 9 on steel body scraper 4, to strengthen drill bit intensity.Except circular port 8 and key-way shape hole 9, this sintering hole can also be the combination of other geometry or geometry.
More than explanation is just illustrative for the utility model, and it is nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claim and limited, can make many modifications, variation or equivalence, but all will fall within the claim restricted portion of the present utility model.
Claims (7)
1. an oil drilling is with high strength carcass diamond bit, mainly be welded to form by drill bit and drill bit upper body, this drill bit is mainly formed by carcass powder and steel core assembly sintering, also be provided with cutting teeth and nozzle on this drill bit, this steel core assembly mainly is welded by steel body and steel body scraper, it is characterized in that this steel body scraper is provided with the sintering hole.
2. oil drilling as claimed in claim 1 is characterized in that with high strength carcass diamond bit this sintering hole is through hole, blind hole or both combinations.
3. oil drilling as claimed in claim 1 is characterized in that with high strength carcass diamond bit this sintering hole is a circular port.
4. oil drilling as claimed in claim 3 is characterized in that with high strength carcass diamond bit the diameter of this circular port is greater than 1mm.
5. oil drilling as claimed in claim 4 is characterized in that with high strength carcass diamond bit the diameter of this circular port is 10mm.
6. oil drilling as claimed in claim 1 is characterized in that with high strength carcass diamond bit this sintering hole is the key-way shape hole, and the width in this key-way shape hole is greater than 1mm.
7. oil drilling as claimed in claim 1 is characterized in that with high strength carcass diamond bit this sintering hole is the combination of key-way shape hole and circular port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203041648U CN201416393Y (en) | 2009-06-09 | 2009-06-09 | High strength matrix diamond drill for oil drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203041648U CN201416393Y (en) | 2009-06-09 | 2009-06-09 | High strength matrix diamond drill for oil drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201416393Y true CN201416393Y (en) | 2010-03-03 |
Family
ID=41792809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203041648U Expired - Fee Related CN201416393Y (en) | 2009-06-09 | 2009-06-09 | High strength matrix diamond drill for oil drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201416393Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105849354A (en) * | 2013-12-10 | 2016-08-10 | 哈里伯顿能源服务公司 | Vented blank for producing a matrix bit body |
| CN109630027A (en) * | 2017-10-06 | 2019-04-16 | 肯纳金属公司 | Thin-walled earth-boring tools and its manufacturing method |
-
2009
- 2009-06-09 CN CN2009203041648U patent/CN201416393Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105849354A (en) * | 2013-12-10 | 2016-08-10 | 哈里伯顿能源服务公司 | Vented blank for producing a matrix bit body |
| CN105849354B (en) * | 2013-12-10 | 2018-04-06 | 哈里伯顿能源服务公司 | Manufacture the ventilation base substrate of matrix bit body |
| US10029300B2 (en) | 2013-12-10 | 2018-07-24 | Halliburton Energy Services, Inc. | Vented blank for producing a matrix bit body |
| CN109630027A (en) * | 2017-10-06 | 2019-04-16 | 肯纳金属公司 | Thin-walled earth-boring tools and its manufacturing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| C14 | Grant of patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100303 Termination date: 20170609 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |