CN201687402U - 螺旋式圆弧形凸棱瓦斯抽放钻杆 - Google Patents
螺旋式圆弧形凸棱瓦斯抽放钻杆 Download PDFInfo
- Publication number
- CN201687402U CN201687402U CN2010201654058U CN201020165405U CN201687402U CN 201687402 U CN201687402 U CN 201687402U CN 2010201654058 U CN2010201654058 U CN 2010201654058U CN 201020165405 U CN201020165405 U CN 201020165405U CN 201687402 U CN201687402 U CN 201687402U
- Authority
- CN
- China
- Prior art keywords
- drill pipe
- drilling rod
- gas drainage
- spiral
- pipe body
- 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 - Lifetime
Links
- 238000005553 drilling Methods 0.000 claims abstract description 55
- 239000003245 coal Substances 0.000 abstract description 5
- 238000005065 mining Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 210000002435 tendon Anatomy 0.000 description 5
- 239000002893 slag Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201654058U CN201687402U (zh) | 2010-04-02 | 2010-04-02 | 螺旋式圆弧形凸棱瓦斯抽放钻杆 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201654058U CN201687402U (zh) | 2010-04-02 | 2010-04-02 | 螺旋式圆弧形凸棱瓦斯抽放钻杆 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201687402U true CN201687402U (zh) | 2010-12-29 |
Family
ID=43375686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201654058U Expired - Lifetime CN201687402U (zh) | 2010-04-02 | 2010-04-02 | 螺旋式圆弧形凸棱瓦斯抽放钻杆 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201687402U (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545218A (zh) * | 2016-01-29 | 2016-05-04 | 河南理工大学 | 软煤层钻进多翼内凹开放式仿生降阻护孔钻杆及钻进方法 |
-
2010
- 2010-04-02 CN CN2010201654058U patent/CN201687402U/zh not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545218A (zh) * | 2016-01-29 | 2016-05-04 | 河南理工大学 | 软煤层钻进多翼内凹开放式仿生降阻护孔钻杆及钻进方法 |
| CN105545218B (zh) * | 2016-01-29 | 2018-05-22 | 河南理工大学 | 软煤层钻进多翼内凹开放式仿生降阻护孔钻杆及钻进方法 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| DD01 | Delivery of document by public notice |
Addressee: Tian Jianwei Document name: Notification to Go Through Formalities of Registration |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Henan Longteng Novel Drill Tools Manufacture Co., Ltd. Assignor: Tian Jianwei Contract record no.: 2013410000031 Denomination of utility model: Spiral gas drainage drill pipe with circular-arc ribs Granted publication date: 20101229 License type: Exclusive License Record date: 20130407 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101229 |