CN202064856U - 多头数大导程整体式螺旋钻杆 - Google Patents
多头数大导程整体式螺旋钻杆 Download PDFInfo
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- CN202064856U CN202064856U CN2011201694543U CN201120169454U CN202064856U CN 202064856 U CN202064856 U CN 202064856U CN 2011201694543 U CN2011201694543 U CN 2011201694543U CN 201120169454 U CN201120169454 U CN 201120169454U CN 202064856 U CN202064856 U CN 202064856U
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- helical blade
- female joint
- auger stem
- stem
- joint
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- 238000005553 drilling Methods 0.000 claims abstract description 38
- 238000003754 machining Methods 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 20
- 239000003245 coal Substances 0.000 abstract description 20
- 239000011435 rock Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 4
- 238000007790 scraping Methods 0.000 abstract description 3
- 239000000843 powder Substances 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000002817 coal dust Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005755 formation reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 240000002799 Prunus avium Species 0.000 description 1
- 210000001138 Tears Anatomy 0.000 description 1
- 235000019693 cherries Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002035 prolonged Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011201694543U CN202064856U (zh) | 2011-05-25 | 2011-05-25 | 多头数大导程整体式螺旋钻杆 |
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CN2011201694543U CN202064856U (zh) | 2011-05-25 | 2011-05-25 | 多头数大导程整体式螺旋钻杆 |
Publications (1)
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CN202064856U true CN202064856U (zh) | 2011-12-07 |
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CN2011201694543U Expired - Lifetime CN202064856U (zh) | 2011-05-25 | 2011-05-25 | 多头数大导程整体式螺旋钻杆 |
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CN (1) | CN202064856U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111015122A (zh) * | 2019-12-27 | 2020-04-17 | 中煤科工集团重庆研究院有限公司 | 高强度整体式铣槽螺旋钻杆加工工艺 |
-
2011
- 2011-05-25 CN CN2011201694543U patent/CN202064856U/zh not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111015122A (zh) * | 2019-12-27 | 2020-04-17 | 中煤科工集团重庆研究院有限公司 | 高强度整体式铣槽螺旋钻杆加工工艺 |
CN111015122B (zh) * | 2019-12-27 | 2021-09-07 | 中煤科工集团重庆研究院有限公司 | 高强度整体式铣槽螺旋钻杆加工工艺 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: CHINA COAL TECHNOLOGY ENGINEERING GROUP CHONGQING Free format text: FORMER NAME: CHINA COAL SCIENCE AND INDUSTRY GROUP CHONGQING RESEARCH INSTITUTE |
|
CP03 | Change of name, title or address |
Address after: 400039 Chongqing Jiulongpo Branch City Road No. 6 Patentee after: China Coal Technology Engineering Group Chongqing Research Institute Address before: Department of City Road, Jiulongpo District, Chongqing city science and technology Erlang Metro 400039 No. 6 Patentee before: China Coal Science and Industry Group Chongqing Research Institute |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20111207 |