CN212407009U - 一种抽油泵活塞下部连接装置 - Google Patents
一种抽油泵活塞下部连接装置 Download PDFInfo
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- CN212407009U CN212407009U CN202020711651.2U CN202020711651U CN212407009U CN 212407009 U CN212407009 U CN 212407009U CN 202020711651 U CN202020711651 U CN 202020711651U CN 212407009 U CN212407009 U CN 212407009U
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- moving valve
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- 239000003129 oil well Substances 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000005086 pumping Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
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CN202020711651.2U CN212407009U (zh) | 2020-05-05 | 2020-05-05 | 一种抽油泵活塞下部连接装置 |
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CN202020711651.2U CN212407009U (zh) | 2020-05-05 | 2020-05-05 | 一种抽油泵活塞下部连接装置 |
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CN212407009U true CN212407009U (zh) | 2021-01-26 |
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CN202020711651.2U Withdrawn - After Issue CN212407009U (zh) | 2020-05-05 | 2020-05-05 | 一种抽油泵活塞下部连接装置 |
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CN (1) | CN212407009U (zh) |
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2020
- 2020-05-05 CN CN202020711651.2U patent/CN212407009U/zh not_active Withdrawn - After Issue
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP02 | Change in the address of a patent holder | ||
CP02 | Change in the address of a patent holder |
Address after: Xindianban Qianjin village, Dongying District, Dongying City, Shandong Province Patentee after: DONGYING JINSHAN PETROLEUM MACHINERY MANUFACTURING Co.,Ltd. Address before: 257000 No.13 Xingyuan Road, modern service area, western suburb of Dongying, Dongying District, Dongying City, Shandong Province Patentee before: DONGYING JINSHAN PETROLEUM MACHINERY MANUFACTURING Co.,Ltd. |
|
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20210126 Effective date of abandoning: 20231124 |
|
AV01 | Patent right actively abandoned |
Granted publication date: 20210126 Effective date of abandoning: 20231124 |