CN208221060U - 一种采油装置用旋流杆 - Google Patents
一种采油装置用旋流杆 Download PDFInfo
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- CN208221060U CN208221060U CN201820348910.2U CN201820348910U CN208221060U CN 208221060 U CN208221060 U CN 208221060U CN 201820348910 U CN201820348910 U CN 201820348910U CN 208221060 U CN208221060 U CN 208221060U
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- Prior art keywords
- sealing shroud
- eddy flow
- extracting device
- sides
- welded
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- 238000007789 sealing Methods 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 description 5
- 238000005086 pumping Methods 0.000 description 4
- 240000007643 Phytolacca americana Species 0.000 description 3
- 235000009074 Phytolacca americana Nutrition 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial 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
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Abstract
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Claims (6)
Priority Applications (1)
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CN201820348910.2U CN208221060U (zh) | 2018-03-15 | 2018-03-15 | 一种采油装置用旋流杆 |
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CN201820348910.2U CN208221060U (zh) | 2018-03-15 | 2018-03-15 | 一种采油装置用旋流杆 |
Publications (1)
Publication Number | Publication Date |
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CN208221060U true CN208221060U (zh) | 2018-12-11 |
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CN201820348910.2U Active CN208221060U (zh) | 2018-03-15 | 2018-03-15 | 一种采油装置用旋流杆 |
Country Status (1)
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CN (1) | CN208221060U (zh) |
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2018
- 2018-03-15 CN CN201820348910.2U patent/CN208221060U/zh active Active
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A swirl rod for an oil extraction device Effective date of registration: 20220812 Granted publication date: 20181211 Pledgee: Dalian Rural Commercial Bank Co., Ltd. Development Zone Sub-branch Pledgor: DALIAN KUNLIN METAL PRODUCT Co.,Ltd. Registration number: Y2022980012478 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231027 Granted publication date: 20181211 Pledgee: Dalian Rural Commercial Bank Co.,Ltd. Development Zone Sub branch Pledgor: DALIAN KUNLIN METAL PRODUCT Co.,Ltd. Registration number: Y2022980012478 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |