CN203961796U - A kind of oil drilling PDC drill bit - Google Patents
A kind of oil drilling PDC drill bit Download PDFInfo
- Publication number
- CN203961796U CN203961796U CN201420223761.9U CN201420223761U CN203961796U CN 203961796 U CN203961796 U CN 203961796U CN 201420223761 U CN201420223761 U CN 201420223761U CN 203961796 U CN203961796 U CN 203961796U
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- bit body
- bit
- wing
- operator
- footpath
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Abstract
The utility model discloses a kind of oil drilling PDC drill bit, comprise drill-bit installing seat, bit body is screwed together on described drill-bit installing seat, on the canopy of described bit body, Spiral distribution has multiple operator wings, on every operator wing, be equipped with two row PDC cutting teeths, on described bit body, be inlaid with several nozzles, the front end of the described operator wing is provided with and protects footpath chi mouth, described protecting on the chi mouth of footpath is evenly inlaid with composite sheet, the described Chi Kou side, footpath of protecting also has multiple auxiliary cutting elements, on described bit body, be also provided with secondary wing, secondary wing be shaped as helix shape, bit body outer lower side level of incline is arranged with horizontal focusing diamond post, in bit body two mother rib lateral rotundums, be respectively equipped with spring base.Adopt a kind of oil drilling PDC drill bit of the utility model, reasonable in design, safe and reliable, by bit body is screwed together on mount pad, thereby has facilitated the replacing of bit body, cost-saving when raising drilling efficiency.
Description
Technical field
The utility model relates to oil equipment technical field, relates in particular to a kind of oil drilling PDC drill bit.
Background technology
At present, PDC drill bit is the special drilling bit that substitutes old-fashioned rotary drill of oil gas field, and it has the features such as high-wearing feature, high impact-resistant, anti-oblique, anti-mud drum, high rotating speed, and is described as " three height " product of high-tech, high investment, high production.In drilling process, PDC drill bit has the performance advantages such as high drilling speed, low the pressure of the drill, high drilling depth, and it can reduce the cost of winning in oil field greatly in the application of drilling process, accelerates exploitation rate, improves the economic benefit in oil field.The PDC drill bit of prior art is generally integral structure, when after the head wearing and tearing of drill bit, need to, by whole bit change-over, so not only waste material, and use cost improve greatly.Simultaneously, this PDC drill bit is in drilling process, easily cause the well getting out to tilt, in order to prevent that well from tilting, conventionally need to reduce the rotating speed of PDC drill bit, or with a thinner straight hole of drill bit subdrilling, and then with the reaming of PDC drill bit, so just cause the efficiency of boring lower, affect exploitation rate.。
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of portable screw type band and carries speed leakage repair device.
For the technical problem that will solve, the technical solution adopted in the utility model is: a kind of oil drilling PDC drill bit, comprise drill-bit installing seat, bit body is screwed together on described drill-bit installing seat, on the canopy of described bit body, Spiral distribution has multiple operator wings, on every operator wing, be equipped with two row PDC cutting teeths, on described bit body, be inlaid with several nozzles, the PDC cutting teeth of arranging on the described operator wing is diametrically all with the partly radially central axis of bit body extension of certain curvature, the front end of the described operator wing is provided with and protects footpath chi mouth, described protecting on the chi mouth of footpath is evenly inlaid with composite sheet, the described Chi Kou side, footpath of protecting also has multiple auxiliary cutting elements, on described bit body, be also provided with secondary wing, secondary wing be shaped as helix shape, bit body outer lower side level of incline is arranged with horizontal focusing diamond post, in bit body two mother rib lateral rotundums, be respectively equipped with spring base.
As preferably, the wing end of described PDC drill bit is provided with o shape peg, and the two ends of o shape peg are hemispherical, and mid portion is cylindrical.
As preferably, the cross section of the described operator wing and secondary wing all adopts trapezoidal.
As preferably, described bit body, the operator wing and secondary wing are one-body molded.
The beneficial effects of the utility model are:
Adopt a kind of oil drilling PDC drill bit of the utility model, reasonable in design, safe and reliable, by bit body is screwed together on mount pad, thereby facilitate the replacing of bit body, reduce use cost, the setting of protecting footpath chi mouth prevents that well from tilting, cost-saving when improving drilling efficiency.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the structural representation of a kind of oil drilling of the utility model PDC drill bit.
Fig. 2 is the top view of a kind of oil drilling of the utility model PDC drill bit.
In figure, 1-drill-bit installing seat, 2-bit body, the 3-wing of operating, 4-nozzle, 5-protects footpath chi mouth, 6-composite sheet, the secondary wing of 7-, 8-polycrystalline diamond post, 9-spring base.
Detailed description of the invention
As shown in Fig. 1 Fig. 2, a kind of oil drilling PDC drill bit, comprise drill-bit installing seat 1, bit body 2 is screwed together on described drill-bit installing seat 1, on the canopy of described bit body 2, Spiral distribution has multiple operator wings 3, on every operator wing 3, be equipped with two row PDC cutting teeths, on described bit body 2, be inlaid with several nozzles 4, the PDC cutting teeth of arranging on the described operator wing 3 is diametrically all with the partly radially central axis of bit body 2 extension of certain curvature, the front end of the described operator wing 3 is provided with and protects footpath chi mouth 5, described protecting on footpath chi mouth 5 is evenly inlaid with composite sheet 6, the described side of protecting footpath chi mouth 5 also has multiple auxiliary cutting elements, on described bit body, be also provided with secondary wing 7, secondary wing 7 be shaped as helix shape, bit body 2 outer lower side level of incline are arranged with horizontal focusing diamond post 8, in 2 liang of mother rib lateral rotundums of bit body, be respectively equipped with spring base 9, the wing end of described PDC drill bit is provided with o shape peg, the two ends of o shape peg are hemispherical, mid portion is cylindrical, the cross section of the described operator wing 3 and secondary wing 7 all adopts trapezoidal, described bit body 2, the operator wing 3 and secondary wing 7 are one-body molded, adopt a kind of oil drilling PDC drill bit of the utility model, reasonable in design, safe and reliable, by bit body is screwed together on drilling rod, thereby facilitate the replacing of bit body, reduce use cost, by setting up guide bur, it can guide this PDC drilling direction, prevent that well from tilting, cost-saving when improving drilling efficiency.
Above-described the utility model embodiment, does not form the restriction to the utility model protection domain.Any amendment of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in claim protection domain of the present utility model.
Claims (2)
1. an oil drilling PDC drill bit, comprise drill-bit installing seat, bit body is screwed together on described drill-bit installing seat, on the canopy of described bit body, Spiral distribution has multiple operator wings, on every operator wing, be equipped with two row PDC cutting teeths, on described bit body, be inlaid with several nozzles, the PDC cutting teeth of arranging on the described operator wing is diametrically all with the partly radially central axis of bit body extension of certain curvature, it is characterized in that: the front end of the described operator wing is provided with and protects footpath chi mouth, described protecting on the chi mouth of footpath is evenly inlaid with composite sheet, the described Chi Kou side, footpath of protecting also has multiple auxiliary cutting elements, on described bit body, be also provided with secondary wing, secondary wing be shaped as helix shape, bit body outer lower side level of incline is arranged with horizontal focusing diamond post, in bit body two mother rib lateral rotundums, be respectively equipped with spring base, the wing end of described PDC drill bit is provided with o shape peg, the two ends of o shape peg are hemispherical, mid portion is cylindrical, the cross section of the described operator wing and secondary wing all adopts trapezoidal.
2. a kind of oil drilling PDC drill bit according to claim 1, is characterized in that: described bit body, the operator wing and secondary wing are one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420223761.9U CN203961796U (en) | 2014-05-04 | 2014-05-04 | A kind of oil drilling PDC drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420223761.9U CN203961796U (en) | 2014-05-04 | 2014-05-04 | A kind of oil drilling PDC drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203961796U true CN203961796U (en) | 2014-11-26 |
Family
ID=51922395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420223761.9U Expired - Fee Related CN203961796U (en) | 2014-05-04 | 2014-05-04 | A kind of oil drilling PDC drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203961796U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469270A (en) * | 2018-05-11 | 2019-11-19 | 成都百施特金刚石钻头有限公司 | A kind of PDC drill bit with anti-mud drum function |
| CN113216857A (en) * | 2021-05-27 | 2021-08-06 | 河北锐石钻头制造有限公司 | PDC drill bit with auxiliary balance wings |
-
2014
- 2014-05-04 CN CN201420223761.9U patent/CN203961796U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469270A (en) * | 2018-05-11 | 2019-11-19 | 成都百施特金刚石钻头有限公司 | A kind of PDC drill bit with anti-mud drum function |
| CN113216857A (en) * | 2021-05-27 | 2021-08-06 | 河北锐石钻头制造有限公司 | PDC drill bit with auxiliary balance wings |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20210504 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |