CN2318390Y - 石油钻井泥浆泵旋转凡尔体 - Google Patents
石油钻井泥浆泵旋转凡尔体 Download PDFInfo
- Publication number
- CN2318390Y CN2318390Y CN 97207404 CN97207404U CN2318390Y CN 2318390 Y CN2318390 Y CN 2318390Y CN 97207404 CN97207404 CN 97207404 CN 97207404 U CN97207404 U CN 97207404U CN 2318390 Y CN2318390 Y CN 2318390Y
- Authority
- CN
- China
- Prior art keywords
- valve body
- pallet
- cylindrical
- mud pump
- petroleum drilling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Check Valves (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 97207404 CN2318390Y (zh) | 1997-01-02 | 1997-01-02 | 石油钻井泥浆泵旋转凡尔体 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 97207404 CN2318390Y (zh) | 1997-01-02 | 1997-01-02 | 石油钻井泥浆泵旋转凡尔体 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2318390Y true CN2318390Y (zh) | 1999-05-12 |
Family
ID=33927180
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 97207404 Expired - Fee Related CN2318390Y (zh) | 1997-01-02 | 1997-01-02 | 石油钻井泥浆泵旋转凡尔体 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2318390Y (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103953312A (zh) * | 2014-04-21 | 2014-07-30 | 西南石油大学 | 一种叶轮驱动的旋合式内防喷工具 |
WO2023061097A1 (zh) * | 2021-10-13 | 2023-04-20 | 烟台杰瑞石油装备技术有限公司 | 凡尔体、阀门组件和柱塞泵 |
-
1997
- 1997-01-02 CN CN 97207404 patent/CN2318390Y/zh not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103953312A (zh) * | 2014-04-21 | 2014-07-30 | 西南石油大学 | 一种叶轮驱动的旋合式内防喷工具 |
CN103953312B (zh) * | 2014-04-21 | 2016-04-13 | 西南石油大学 | 一种叶轮驱动的旋合式内防喷工具 |
WO2023061097A1 (zh) * | 2021-10-13 | 2023-04-20 | 烟台杰瑞石油装备技术有限公司 | 凡尔体、阀门组件和柱塞泵 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C53 | Correction of patent for invention or patent application | ||
COR | Change of bibliographic data |
Free format text: CORRECT: PATENTEE ADDRESS; FROM: NO. 3, UNIT 4, BUILDING 7, JUMINDIAN, SHUINIANHEDONGFENG ROAD, CHENGDU CITY, SICHUAN PROVINCE, 610061 TO: SHIYOUZUANCAIGONGYIJISHUYANJIU YARD, HONG KONG ROAD, GUANGHAN CITY, SICHUAN PROVINCE, 618300 |
|
CP03 | Change of name, title or address |
Address after: 618300 Hongkong road petroleum drilling and processing technology research institute, Sichuan, Guanghan Province, Guo Zhaoyi Patentee after: Wang Jinqi Address before: 610061 Sichuan city of Chengdu Province east wind Shuinian Road residents 7 Building 4 unit 3 Patentee before: Wang Jinqi |
|
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |