CN101387291B - Unite oil well pump oil valve - Google Patents
Unite oil well pump oil valve Download PDFInfo
- Publication number
- CN101387291B CN101387291B CN2008101582413A CN200810158241A CN101387291B CN 101387291 B CN101387291 B CN 101387291B CN 2008101582413 A CN2008101582413 A CN 2008101582413A CN 200810158241 A CN200810158241 A CN 200810158241A CN 101387291 B CN101387291 B CN 101387291B
- Authority
- CN
- China
- Prior art keywords
- oil
- oil inlet
- inlet valve
- mandril
- valve
- 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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Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008101582413A CN101387291B (en) | 2008-10-22 | 2008-10-22 | Unite oil well pump oil valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008101582413A CN101387291B (en) | 2008-10-22 | 2008-10-22 | Unite oil well pump oil valve |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101387291A CN101387291A (en) | 2009-03-18 |
CN101387291B true CN101387291B (en) | 2010-06-16 |
Family
ID=40476881
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2008101582413A Expired - Fee Related CN101387291B (en) | 2008-10-22 | 2008-10-22 | Unite oil well pump oil valve |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101387291B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110952960B (en) * | 2018-09-26 | 2021-10-26 | 中国石油化工股份有限公司 | Intelligent separate production string |
CN112761596B (en) * | 2021-01-13 | 2022-11-25 | 孙伟峰 | Pressure guide structure of pump |
-
2008
- 2008-10-22 CN CN2008101582413A patent/CN101387291B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN101387291A (en) | 2009-03-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Zhu Hongbin Inventor after: Lei Li Inventor after: Zhu Hongmei Inventor after: Li Jian Inventor after: Luo Wenping Inventor after: Zhu Dong Inventor after: Fu Xiaoli Inventor after: Xie Shengpu Inventor after: Peng Xiaoying Inventor before: Ai Heping Inventor before: Shen Changfu Inventor before: Wang Hongqin Inventor before: Fu Xianwei |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: AI HEPING SHEN ZHANGFU WANG HONGQIN FU XIANWEI TO: ZHU HONGBIN LEI LI ZHU HONGMEI LI JIAN LUO WENPING ZHU DONG FU XIAOLI XIE SHENGPU PENG XIAOYING |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100616 Termination date: 20101022 |