CN2556353Y - 软煤层高瓦斯深孔钻机用钻杆 - Google Patents
软煤层高瓦斯深孔钻机用钻杆 Download PDFInfo
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- CN2556353Y CN2556353Y CN 01267191 CN01267191U CN2556353Y CN 2556353 Y CN2556353 Y CN 2556353Y CN 01267191 CN01267191 CN 01267191 CN 01267191 U CN01267191 U CN 01267191U CN 2556353 Y CN2556353 Y CN 2556353Y
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- drilling rod
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- drill
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- 238000005553 drilling Methods 0.000 title claims abstract description 63
- 239000003245 coal Substances 0.000 title claims abstract description 23
- 241000167854 Bourreria succulenta Species 0.000 claims description 11
- 235000019693 cherries Nutrition 0.000 claims description 11
- 230000001914 calming effect Effects 0.000 claims description 9
- 235000013057 Chorispora tenella Nutrition 0.000 abstract 1
- 241001118070 Chorispora tenella Species 0.000 abstract 1
- 240000004282 Grewia occidentalis Species 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 239000003818 cinder Substances 0.000 description 4
- 239000002817 coal dust Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 01267191 CN2556353Y (zh) | 2001-10-27 | 2001-10-27 | 软煤层高瓦斯深孔钻机用钻杆 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 01267191 CN2556353Y (zh) | 2001-10-27 | 2001-10-27 | 软煤层高瓦斯深孔钻机用钻杆 |
Publications (1)
Publication Number | Publication Date |
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CN2556353Y true CN2556353Y (zh) | 2003-06-18 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 01267191 Expired - Lifetime CN2556353Y (zh) | 2001-10-27 | 2001-10-27 | 软煤层高瓦斯深孔钻机用钻杆 |
Country Status (1)
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CN (1) | CN2556353Y (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101581217B (zh) * | 2008-05-16 | 2012-08-15 | 中国科学院力学研究所 | 煤层气的压力/含量随钻测量装置及方法 |
CN101581218B (zh) * | 2008-05-16 | 2012-09-05 | 中国科学院力学研究所 | 煤层气参数的简便随钻测量装置及方法 |
CN103939012A (zh) * | 2014-04-28 | 2014-07-23 | 中国矿业大学(北京) | 高应力松软突出厚煤层大直径钻孔装置 |
-
2001
- 2001-10-27 CN CN 01267191 patent/CN2556353Y/zh not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101581217B (zh) * | 2008-05-16 | 2012-08-15 | 中国科学院力学研究所 | 煤层气的压力/含量随钻测量装置及方法 |
CN101581218B (zh) * | 2008-05-16 | 2012-09-05 | 中国科学院力学研究所 | 煤层气参数的简便随钻测量装置及方法 |
CN103939012A (zh) * | 2014-04-28 | 2014-07-23 | 中国矿业大学(北京) | 高应力松软突出厚煤层大直径钻孔装置 |
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CX01 | Expiry of patent term |
Expiration termination date: 20111027 Granted publication date: 20030618 |
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Addressee: Cui Gangming Document name: Notification of Acceptance of Request for Invalidation |
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DD01 | Delivery of document by public notice |
Addressee: Cui Gangming Document name: Notification of Acceptance of Request for Invalidation |
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DD01 | Delivery of document by public notice |
Addressee: Cui Gangming Document name: Notification of Passing Examination on Formalities |