CN203547624U - 一种膨胀管用弹性爪可捞底堵 - Google Patents
一种膨胀管用弹性爪可捞底堵 Download PDFInfo
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- CN203547624U CN203547624U CN201320752724.2U CN201320752724U CN203547624U CN 203547624 U CN203547624 U CN 203547624U CN 201320752724 U CN201320752724 U CN 201320752724U CN 203547624 U CN203547624 U CN 203547624U
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- expansion pipe
- expansion
- bottom plug
- scooping
- claw
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- 210000000078 claw Anatomy 0.000 title claims abstract description 44
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000003801 milling Methods 0.000 abstract description 4
- 239000003129 oil well Substances 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
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CN201320752724.2U CN203547624U (zh) | 2013-11-26 | 2013-11-26 | 一种膨胀管用弹性爪可捞底堵 |
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CN201320752724.2U CN203547624U (zh) | 2013-11-26 | 2013-11-26 | 一种膨胀管用弹性爪可捞底堵 |
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CN203547624U true CN203547624U (zh) | 2014-04-16 |
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CN201320752724.2U Expired - Fee Related CN203547624U (zh) | 2013-11-26 | 2013-11-26 | 一种膨胀管用弹性爪可捞底堵 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104481443A (zh) * | 2014-12-08 | 2015-04-01 | 北京盛隆源科技开发有限公司 | 可捞式膨胀管下封头装置 |
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2013
- 2013-11-26 CN CN201320752724.2U patent/CN203547624U/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104481443A (zh) * | 2014-12-08 | 2015-04-01 | 北京盛隆源科技开发有限公司 | 可捞式膨胀管下封头装置 |
CN104481443B (zh) * | 2014-12-08 | 2017-08-22 | 北京盛隆源科技开发有限公司 | 可捞式膨胀管下封头装置 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 262100 Xingan Industrial Park, Anqiu, Shandong, No. 9, No. Patentee after: Weifang Yuhong Petroleum Machinery Co., Ltd. Address before: 262100 Xingan Industrial Park, Anqiu, Shandong, No. 9, No. Patentee before: WEIFANG YUHONG PETROLEUM MACHINERY CO., LTD. |
|
CU01 | Correction of utility model patent |
Correction item: Patentee Correct: Weifang Yuhong Petroleum Machinery Co., Ltd. False: WEIFANG YUHONG PETROLEUM MACHINERY CO., LTD. Number: 16 Page: The title page Volume: 30 |
|
CU03 | Correction of utility model patent gazette |
Correction item: Patentee Correct: Weifang Yuhong Petroleum Machinery Co., Ltd. False: WEIFANG YUHONG PETROLEUM MACHINERY CO., LTD. Number: 16 Volume: 30 |
|
ERR | Gazette correction | ||
RECT | Rectification | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20181126 |
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CF01 | Termination of patent right due to non-payment of annual fee |