CN204126862U - 一种新型气液混抽双层防气泵 - Google Patents
一种新型气液混抽双层防气泵 Download PDFInfo
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- CN204126862U CN204126862U CN201420458350.8U CN201420458350U CN204126862U CN 204126862 U CN204126862 U CN 204126862U CN 201420458350 U CN201420458350 U CN 201420458350U CN 204126862 U CN204126862 U CN 204126862U
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109611321A (zh) * | 2018-11-09 | 2019-04-12 | 大港油田集团有限责任公司 | 一种双层防气分采泵 |
CN112576485A (zh) * | 2019-09-30 | 2021-03-30 | 中国石油化工股份有限公司 | 一种含气稠油井用抽油泵 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109611321A (zh) * | 2018-11-09 | 2019-04-12 | 大港油田集团有限责任公司 | 一种双层防气分采泵 |
CN112576485A (zh) * | 2019-09-30 | 2021-03-30 | 中国石油化工股份有限公司 | 一种含气稠油井用抽油泵 |
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Legal Events
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Li Guorong Inventor after: Liu Lei Inventor after: Li Weiling Inventor after: Zhao Weifeng Inventor before: Liu Lei Inventor before: Li Weiling Inventor before: Zhao Weifeng |
|
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: Changge City, Xuchang City, Henan province 461500 Weiwu Road, Middle East Patentee after: Henan Fu Fu Overseas Petroleum Equipment Co., Ltd. Address before: In the middle of Changge City Weiwu Road, Xuchang city of Henan province in 461500 Patentee before: Changge Fuqiao Mechanical and Electrical Co., Ltd. |