CN1162607C - Control method for preventing pump collision and over-stroke of pumping unit - Google Patents
Control method for preventing pump collision and over-stroke of pumping unit Download PDFInfo
- Publication number
- CN1162607C CN1162607C CNB001336142A CN00133614A CN1162607C CN 1162607 C CN1162607 C CN 1162607C CN B001336142 A CNB001336142 A CN B001336142A CN 00133614 A CN00133614 A CN 00133614A CN 1162607 C CN1162607 C CN 1162607C
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- CN
- China
- Prior art keywords
- pump
- production machine
- oil production
- distance
- piston
- 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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- Control Of Positive-Displacement Pumps (AREA)
Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB001336142A CN1162607C (en) | 2000-11-29 | 2000-11-29 | Control method for preventing pump collision and over-stroke of pumping unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB001336142A CN1162607C (en) | 2000-11-29 | 2000-11-29 | Control method for preventing pump collision and over-stroke of pumping unit |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1355373A CN1355373A (en) | 2002-06-26 |
CN1162607C true CN1162607C (en) | 2004-08-18 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB001336142A Expired - Fee Related CN1162607C (en) | 2000-11-29 | 2000-11-29 | Control method for preventing pump collision and over-stroke of pumping unit |
Country Status (1)
Country | Link |
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CN (1) | CN1162607C (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104100504B (en) * | 2013-04-03 | 2016-07-13 | 中国石油天然气股份有限公司 | Method for determining anti-impact distance of screw pump of coaxial double-hollow sucker rod for cold production of thick oil |
CN104653455B (en) * | 2013-11-19 | 2016-09-07 | 中国石油天然气股份有限公司 | Method for adjusting axial clearance between stator and rotor of screw pump |
CN109267998B (en) * | 2018-10-09 | 2021-11-30 | 中国石油天然气股份有限公司 | Water plugging finding pipe column and method for separate mining and separate measurement of casing well completion horizontal well |
CN112855093B (en) * | 2019-11-12 | 2023-10-27 | 中国石油天然气股份有限公司 | Method and device for adjusting position of sucker rod and storage medium |
-
2000
- 2000-11-29 CN CNB001336142A patent/CN1162607C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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CN1355373A (en) | 2002-06-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: AMERICA DIPAIYI PETROLEUM SCIENTIFIC + TECHNICAL C Free format text: FORMER OWNER: LU XU Effective date: 20090821 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee | ||
CP03 | Change of name, title or address |
Address after: Beijing City, Haidian District Guancheng Nanyuan 9-17D Zhang Yongan postcode: 100088 Co-patentee after: Li Ying Patentee after: Lu Xu Address before: Beijing City, Haidian District Guancheng Nanyuan 9-17D Zhang Yongan postcode: 100088 Co-patentee before: Li Ying Patentee before: Lu Xu |
|
TR01 | Transfer of patent right |
Effective date of registration: 20090821 Address after: American Colorado Patentee after: The United States Dipai oil spill technology Co. Address before: Beijing City, Haidian District Guancheng Nanyuan 9-17D Zhang Yongan postcode: 100088 Co-patentee before: Li Ying Patentee before: Lu Xu |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040818 Termination date: 20131129 |