CN213392071U - 旋转封井器 - Google Patents
旋转封井器 Download PDFInfo
- Publication number
- CN213392071U CN213392071U CN202022091462.2U CN202022091462U CN213392071U CN 213392071 U CN213392071 U CN 213392071U CN 202022091462 U CN202022091462 U CN 202022091462U CN 213392071 U CN213392071 U CN 213392071U
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- 238000007789 sealing Methods 0.000 claims abstract description 162
- 210000004907 gland Anatomy 0.000 claims abstract description 26
- 238000005553 drilling Methods 0.000 abstract description 10
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000010030 laminating Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 6
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202022091462.2U CN213392071U (zh) | 2020-09-22 | 2020-09-22 | 旋转封井器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202022091462.2U CN213392071U (zh) | 2020-09-22 | 2020-09-22 | 旋转封井器 |
Publications (1)
Publication Number | Publication Date |
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CN213392071U true CN213392071U (zh) | 2021-06-08 |
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Family Applications (1)
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CN202022091462.2U Expired - Fee Related CN213392071U (zh) | 2020-09-22 | 2020-09-22 | 旋转封井器 |
Country Status (1)
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CN (1) | CN213392071U (zh) |
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2020
- 2020-09-22 CN CN202022091462.2U patent/CN213392071U/zh not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230830 Address after: 257000 east side of Xinhe Road, Zhonggou village, Kenli District, Dongying City, Shandong Province Patentee after: Dongying Wanyi Petroleum Technology Co.,Ltd. Patentee after: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Address before: 257000 east side of Xinhe Road, Zhonggou village, Kenli District, Dongying City, Shandong Province Patentee before: Dongying Wanyi Petroleum Technology Co.,Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210608 |